./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0920b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_8e540e36-3a60-4145-aaa0-a583e4c18cf1/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8e540e36-3a60-4145-aaa0-a583e4c18cf1/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8e540e36-3a60-4145-aaa0-a583e4c18cf1/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8e540e36-3a60-4145-aaa0-a583e4c18cf1/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0920b.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8e540e36-3a60-4145-aaa0-a583e4c18cf1/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8e540e36-3a60-4145-aaa0-a583e4c18cf1/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f9996153423fecedcbbebbb98f8557ca25433f0f ..................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_8e540e36-3a60-4145-aaa0-a583e4c18cf1/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8e540e36-3a60-4145-aaa0-a583e4c18cf1/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8e540e36-3a60-4145-aaa0-a583e4c18cf1/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8e540e36-3a60-4145-aaa0-a583e4c18cf1/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0920b.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8e540e36-3a60-4145-aaa0-a583e4c18cf1/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8e540e36-3a60-4145-aaa0-a583e4c18cf1/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f9996153423fecedcbbebbb98f8557ca25433f0f ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 08:58:06,902 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:58:06,906 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:58:06,916 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:58:06,917 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:58:06,917 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:58:06,918 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:58:06,921 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:58:06,922 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:58:06,923 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:58:06,926 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:58:06,927 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:58:06,927 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:58:06,928 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:58:06,929 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:58:06,929 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:58:06,930 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:58:06,931 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:58:06,939 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:58:06,940 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:58:06,941 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:58:06,942 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:58:06,943 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:58:06,947 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:58:06,949 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:58:06,949 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:58:06,949 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:58:06,950 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:58:06,950 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:58:06,951 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:58:06,951 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:58:06,953 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:58:06,954 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:58:06,954 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:58:06,955 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:58:06,955 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:58:06,956 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:58:06,956 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:58:06,956 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:58:06,956 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:58:06,957 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:58:06,958 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8e540e36-3a60-4145-aaa0-a583e4c18cf1/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-22 08:58:06,971 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:58:06,971 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:58:06,972 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:58:06,972 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:58:06,972 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:58:06,973 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:58:06,973 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:58:06,973 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:58:06,973 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:58:06,973 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:58:06,973 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 08:58:06,973 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 08:58:06,974 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 08:58:06,974 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:58:06,974 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:58:06,974 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:58:06,974 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 08:58:06,974 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:58:06,975 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:58:06,975 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 08:58:06,975 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 08:58:06,984 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:58:06,985 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:58:06,985 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 08:58:06,985 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 08:58:06,985 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:58:06,985 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 08:58:06,985 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 08:58:06,986 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_8e540e36-3a60-4145-aaa0-a583e4c18cf1/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f9996153423fecedcbbebbb98f8557ca25433f0f [2019-10-22 08:58:07,019 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:58:07,030 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:58:07,035 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:58:07,037 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:58:07,037 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:58:07,038 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8e540e36-3a60-4145-aaa0-a583e4c18cf1/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0920b.c [2019-10-22 08:58:07,088 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8e540e36-3a60-4145-aaa0-a583e4c18cf1/bin/uautomizer/data/4a4cce579/e7dcd6f94a8742dd8e8d4736633376a0/FLAGdb5f6bd54 [2019-10-22 08:58:07,494 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:58:07,495 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8e540e36-3a60-4145-aaa0-a583e4c18cf1/sv-benchmarks/c/float-newlib/double_req_bl_0920b.c [2019-10-22 08:58:07,501 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8e540e36-3a60-4145-aaa0-a583e4c18cf1/bin/uautomizer/data/4a4cce579/e7dcd6f94a8742dd8e8d4736633376a0/FLAGdb5f6bd54 [2019-10-22 08:58:07,513 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8e540e36-3a60-4145-aaa0-a583e4c18cf1/bin/uautomizer/data/4a4cce579/e7dcd6f94a8742dd8e8d4736633376a0 [2019-10-22 08:58:07,514 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:58:07,516 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:58:07,517 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:58:07,517 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:58:07,525 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:58:07,526 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:58:07" (1/1) ... [2019-10-22 08:58:07,528 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77ee7fb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:07, skipping insertion in model container [2019-10-22 08:58:07,528 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:58:07" (1/1) ... [2019-10-22 08:58:07,534 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:58:07,556 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:58:07,840 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:58:07,844 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:58:07,886 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:58:07,902 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:58:07,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:07 WrapperNode [2019-10-22 08:58:07,903 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:58:07,903 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:58:07,903 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:58:07,903 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:58:07,912 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:07" (1/1) ... [2019-10-22 08:58:07,926 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:07" (1/1) ... [2019-10-22 08:58:07,966 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:58:07,971 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:58:07,971 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:58:07,971 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:58:07,980 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:07" (1/1) ... [2019-10-22 08:58:07,981 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:07" (1/1) ... [2019-10-22 08:58:07,989 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:07" (1/1) ... [2019-10-22 08:58:07,989 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:07" (1/1) ... [2019-10-22 08:58:07,998 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:07" (1/1) ... [2019-10-22 08:58:08,015 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:07" (1/1) ... [2019-10-22 08:58:08,022 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:07" (1/1) ... [2019-10-22 08:58:08,033 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:58:08,034 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:58:08,034 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:58:08,034 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:58:08,035 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8e540e36-3a60-4145-aaa0-a583e4c18cf1/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:58:08,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 08:58:08,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-10-22 08:58:08,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 08:58:08,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-10-22 08:58:08,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:58:08,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:58:08,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-22 08:58:08,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 08:58:08,452 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:58:08,452 INFO L284 CfgBuilder]: Removed 14 assume(true) statements. [2019-10-22 08:58:08,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:58:08 BoogieIcfgContainer [2019-10-22 08:58:08,453 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:58:08,454 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 08:58:08,454 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 08:58:08,456 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 08:58:08,457 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 08:58:07" (1/3) ... [2019-10-22 08:58:08,457 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5734f2f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:58:08, skipping insertion in model container [2019-10-22 08:58:08,457 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:07" (2/3) ... [2019-10-22 08:58:08,458 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5734f2f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:58:08, skipping insertion in model container [2019-10-22 08:58:08,458 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:58:08" (3/3) ... [2019-10-22 08:58:08,459 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0920b.c [2019-10-22 08:58:08,466 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 08:58:08,471 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-22 08:58:08,478 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-22 08:58:08,500 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 08:58:08,501 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 08:58:08,501 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 08:58:08,501 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:58:08,502 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:58:08,502 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 08:58:08,502 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:58:08,502 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 08:58:08,516 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2019-10-22 08:58:08,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-22 08:58:08,522 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:08,522 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:58:08,524 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:58:08,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:08,529 INFO L82 PathProgramCache]: Analyzing trace with hash 1030195787, now seen corresponding path program 1 times [2019-10-22 08:58:08,536 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:08,536 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178599284] [2019-10-22 08:58:08,537 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:08,537 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:08,537 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:08,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:08,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:58:08,637 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178599284] [2019-10-22 08:58:08,638 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:58:08,638 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 08:58:08,638 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797479221] [2019-10-22 08:58:08,641 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 08:58:08,641 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:08,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 08:58:08,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 08:58:08,653 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 2 states. [2019-10-22 08:58:08,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:08,667 INFO L93 Difference]: Finished difference Result 56 states and 90 transitions. [2019-10-22 08:58:08,667 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 08:58:08,668 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-10-22 08:58:08,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:08,676 INFO L225 Difference]: With dead ends: 56 [2019-10-22 08:58:08,677 INFO L226 Difference]: Without dead ends: 26 [2019-10-22 08:58:08,679 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 08:58:08,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2019-10-22 08:58:08,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2019-10-22 08:58:08,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2019-10-22 08:58:08,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 36 transitions. [2019-10-22 08:58:08,708 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 36 transitions. Word has length 10 [2019-10-22 08:58:08,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:08,708 INFO L462 AbstractCegarLoop]: Abstraction has 26 states and 36 transitions. [2019-10-22 08:58:08,709 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 08:58:08,709 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2019-10-22 08:58:08,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-22 08:58:08,709 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:08,709 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:58:08,710 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:58:08,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:08,710 INFO L82 PathProgramCache]: Analyzing trace with hash -1305111410, now seen corresponding path program 1 times [2019-10-22 08:58:08,710 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:08,711 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286555670] [2019-10-22 08:58:08,711 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:08,711 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:08,711 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:08,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:58:08,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:58:08,831 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:58:08,831 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-10-22 08:58:08,866 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 08:58:08 BoogieIcfgContainer [2019-10-22 08:58:08,866 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 08:58:08,866 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:58:08,866 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:58:08,867 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:58:08,867 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:58:08" (3/4) ... [2019-10-22 08:58:08,870 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-10-22 08:58:08,870 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:58:08,872 INFO L168 Benchmark]: Toolchain (without parser) took 1355.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 951.2 MB in the beginning and 1.1 GB in the end (delta: -121.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:08,872 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:58:08,873 INFO L168 Benchmark]: CACSL2BoogieTranslator took 386.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 951.2 MB in the beginning and 1.1 GB in the end (delta: -178.3 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:08,873 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.13 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:58:08,873 INFO L168 Benchmark]: Boogie Preprocessor took 62.73 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:58:08,874 INFO L168 Benchmark]: RCFGBuilder took 419.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 29.1 MB). Peak memory consumption was 29.1 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:08,875 INFO L168 Benchmark]: TraceAbstraction took 411.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 28.2 MB). Peak memory consumption was 28.2 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:08,875 INFO L168 Benchmark]: Witness Printer took 3.84 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:58:08,878 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 386.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 951.2 MB in the beginning and 1.1 GB in the end (delta: -178.3 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 67.13 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 62.73 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 419.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 29.1 MB). Peak memory consumption was 29.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 411.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 28.2 MB). Peak memory consumption was 28.2 MB. Max. memory is 11.5 GB. * Witness Printer took 3.84 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 151]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 137, overapproximation of bitwiseOr at line 59, overapproximation of someBinaryArithmeticDOUBLEoperation at line 60. Possible FailurePath: [L32-L41] static const double ln2_hi_log = 6.93147180369123816490e-01, ln2_lo_log = 1.90821492927058770002e-10, two54_log = 1.80143985094819840000e+16, Lg1_log = 6.666666666666735130e-01, Lg2_log = 3.999999999940941908e-01, Lg3_log = 2.857142874366239149e-01, Lg4_log = 2.222219843214978396e-01, Lg5_log = 1.818357216161805012e-01, Lg6_log = 1.531383769920937332e-01, Lg7_log = 1.479819860511658591e-01; [L43] static const double zero = 0.0; VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L146] double x = -1.0 / 0.0; [L46] double hfsq, f, s, z, R, w, t1, t2, dk; [L47] __int32_t k, hx, i, j; [L48] __uint32_t lx; VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L51] ieee_double_shape_type ew_u; [L52] ew_u.value = (x) [L53] EXPR ew_u.parts.msw [L53] (hx) = ew_u.parts.msw [L54] EXPR ew_u.parts.lsw [L54] (lx) = ew_u.parts.lsw [L57] k = 0 VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L58] COND TRUE hx < 0x00100000 VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L59] COND TRUE ((hx & 0x7fffffff) | lx) == 0 [L60] return -two54_log / zero; VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L147] double res = __ieee754_log(x); [L137] return x != x; VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L150] COND TRUE !isnan_double(res) [L151] __VERIFIER_error() VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 29 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 39 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-cad4683 [2019-10-22 08:58:10,751 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:58:10,754 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:58:10,764 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:58:10,764 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:58:10,765 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:58:10,766 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:58:10,767 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:58:10,770 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:58:10,770 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:58:10,771 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:58:10,772 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:58:10,772 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:58:10,773 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:58:10,773 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:58:10,774 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:58:10,774 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:58:10,775 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:58:10,782 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:58:10,783 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:58:10,784 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:58:10,785 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:58:10,786 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:58:10,788 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:58:10,790 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:58:10,790 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:58:10,790 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:58:10,791 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:58:10,795 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:58:10,796 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:58:10,796 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:58:10,797 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:58:10,797 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:58:10,798 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:58:10,798 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:58:10,798 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:58:10,799 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:58:10,800 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:58:10,800 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:58:10,801 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:58:10,801 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:58:10,802 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8e540e36-3a60-4145-aaa0-a583e4c18cf1/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-10-22 08:58:10,824 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:58:10,824 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:58:10,825 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:58:10,825 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:58:10,825 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:58:10,825 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:58:10,825 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:58:10,826 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:58:10,826 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:58:10,826 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 08:58:10,826 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 08:58:10,826 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 08:58:10,826 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-10-22 08:58:10,826 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-10-22 08:58:10,826 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:58:10,827 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:58:10,827 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:58:10,829 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 08:58:10,829 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:58:10,830 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:58:10,830 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 08:58:10,830 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 08:58:10,830 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:58:10,830 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:58:10,830 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 08:58:10,830 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 08:58:10,831 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-10-22 08:58:10,831 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-10-22 08:58:10,831 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 08:58:10,831 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 08:58:10,831 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_8e540e36-3a60-4145-aaa0-a583e4c18cf1/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f9996153423fecedcbbebbb98f8557ca25433f0f [2019-10-22 08:58:10,866 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:58:10,875 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:58:10,878 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:58:10,879 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:58:10,879 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:58:10,880 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8e540e36-3a60-4145-aaa0-a583e4c18cf1/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0920b.c [2019-10-22 08:58:10,921 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8e540e36-3a60-4145-aaa0-a583e4c18cf1/bin/uautomizer/data/2cf8df3c8/cd3ad9e3ffac4662a7c4480df44e49ef/FLAG4d016a7bd [2019-10-22 08:58:11,329 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:58:11,330 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8e540e36-3a60-4145-aaa0-a583e4c18cf1/sv-benchmarks/c/float-newlib/double_req_bl_0920b.c [2019-10-22 08:58:11,336 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8e540e36-3a60-4145-aaa0-a583e4c18cf1/bin/uautomizer/data/2cf8df3c8/cd3ad9e3ffac4662a7c4480df44e49ef/FLAG4d016a7bd [2019-10-22 08:58:11,347 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8e540e36-3a60-4145-aaa0-a583e4c18cf1/bin/uautomizer/data/2cf8df3c8/cd3ad9e3ffac4662a7c4480df44e49ef [2019-10-22 08:58:11,350 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:58:11,351 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:58:11,352 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:58:11,352 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:58:11,355 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:58:11,355 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:58:11" (1/1) ... [2019-10-22 08:58:11,358 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79894f7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:11, skipping insertion in model container [2019-10-22 08:58:11,358 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:58:11" (1/1) ... [2019-10-22 08:58:11,364 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:58:11,383 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:58:11,586 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:58:11,591 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:58:11,685 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:58:11,713 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:58:11,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:11 WrapperNode [2019-10-22 08:58:11,713 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:58:11,714 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:58:11,714 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:58:11,714 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:58:11,719 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:11" (1/1) ... [2019-10-22 08:58:11,728 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:11" (1/1) ... [2019-10-22 08:58:11,750 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:58:11,751 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:58:11,751 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:58:11,751 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:58:11,759 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:11" (1/1) ... [2019-10-22 08:58:11,759 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:11" (1/1) ... [2019-10-22 08:58:11,763 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:11" (1/1) ... [2019-10-22 08:58:11,763 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:11" (1/1) ... [2019-10-22 08:58:11,773 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:11" (1/1) ... [2019-10-22 08:58:11,777 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:11" (1/1) ... [2019-10-22 08:58:11,779 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:11" (1/1) ... [2019-10-22 08:58:11,782 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:58:11,782 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:58:11,782 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:58:11,782 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:58:11,783 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8e540e36-3a60-4145-aaa0-a583e4c18cf1/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:58:11,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-10-22 08:58:11,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-10-22 08:58:11,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 08:58:11,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-10-22 08:58:11,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:58:11,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:58:11,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-10-22 08:58:11,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 08:58:33,594 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:58:33,595 INFO L284 CfgBuilder]: Removed 14 assume(true) statements. [2019-10-22 08:58:33,595 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:58:33 BoogieIcfgContainer [2019-10-22 08:58:33,596 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:58:33,597 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 08:58:33,597 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 08:58:33,599 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 08:58:33,599 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 08:58:11" (1/3) ... [2019-10-22 08:58:33,600 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36bad956 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:58:33, skipping insertion in model container [2019-10-22 08:58:33,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:11" (2/3) ... [2019-10-22 08:58:33,600 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36bad956 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:58:33, skipping insertion in model container [2019-10-22 08:58:33,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:58:33" (3/3) ... [2019-10-22 08:58:33,603 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0920b.c [2019-10-22 08:58:33,610 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 08:58:33,617 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-22 08:58:33,623 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-22 08:58:33,638 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 08:58:33,638 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 08:58:33,638 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 08:58:33,638 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:58:33,638 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:58:33,639 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 08:58:33,639 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:58:33,639 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 08:58:33,650 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2019-10-22 08:58:33,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-22 08:58:33,654 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:33,655 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:58:33,656 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:58:33,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:33,660 INFO L82 PathProgramCache]: Analyzing trace with hash 1030195787, now seen corresponding path program 1 times [2019-10-22 08:58:33,666 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-10-22 08:58:33,666 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1494835177] [2019-10-22 08:58:33,666 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8e540e36-3a60-4145-aaa0-a583e4c18cf1/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-10-22 08:58:34,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:34,413 INFO L256 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 1 conjunts are in the unsatisfiable core [2019-10-22 08:58:34,417 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:58:34,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:58:34,430 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 08:58:34,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:58:34,435 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1494835177] [2019-10-22 08:58:34,436 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:58:34,436 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-10-22 08:58:34,436 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574529602] [2019-10-22 08:58:34,440 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 08:58:34,440 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-10-22 08:58:34,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 08:58:34,451 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 08:58:34,452 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 2 states. [2019-10-22 08:58:34,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:34,466 INFO L93 Difference]: Finished difference Result 56 states and 90 transitions. [2019-10-22 08:58:34,466 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 08:58:34,467 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-10-22 08:58:34,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:34,475 INFO L225 Difference]: With dead ends: 56 [2019-10-22 08:58:34,475 INFO L226 Difference]: Without dead ends: 26 [2019-10-22 08:58:34,478 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 08:58:34,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2019-10-22 08:58:34,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2019-10-22 08:58:34,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2019-10-22 08:58:34,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 36 transitions. [2019-10-22 08:58:34,509 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 36 transitions. Word has length 10 [2019-10-22 08:58:34,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:34,509 INFO L462 AbstractCegarLoop]: Abstraction has 26 states and 36 transitions. [2019-10-22 08:58:34,509 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 08:58:34,509 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2019-10-22 08:58:34,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-22 08:58:34,510 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:34,510 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:58:34,723 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-10-22 08:58:34,723 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:58:34,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:34,724 INFO L82 PathProgramCache]: Analyzing trace with hash -1305111410, now seen corresponding path program 1 times [2019-10-22 08:58:34,725 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-10-22 08:58:34,725 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [36014450] [2019-10-22 08:58:34,725 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8e540e36-3a60-4145-aaa0-a583e4c18cf1/bin/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-10-22 08:58:35,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:35,550 INFO L256 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 7 conjunts are in the unsatisfiable core [2019-10-22 08:58:35,552 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:58:35,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:58:35,618 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 08:58:35,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:58:35,688 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [36014450] [2019-10-22 08:58:35,689 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:58:35,689 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-10-22 08:58:35,689 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709813616] [2019-10-22 08:58:35,690 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 08:58:35,691 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-10-22 08:58:35,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 08:58:35,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-22 08:58:35,691 INFO L87 Difference]: Start difference. First operand 26 states and 36 transitions. Second operand 6 states. [2019-10-22 08:58:36,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:36,853 INFO L93 Difference]: Finished difference Result 31 states and 40 transitions. [2019-10-22 08:58:36,880 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 08:58:36,881 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 11 [2019-10-22 08:58:36,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:36,881 INFO L225 Difference]: With dead ends: 31 [2019-10-22 08:58:36,881 INFO L226 Difference]: Without dead ends: 13 [2019-10-22 08:58:36,882 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-10-22 08:58:36,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2019-10-22 08:58:36,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2019-10-22 08:58:36,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-10-22 08:58:36,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 12 transitions. [2019-10-22 08:58:36,885 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 12 transitions. Word has length 11 [2019-10-22 08:58:36,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:36,885 INFO L462 AbstractCegarLoop]: Abstraction has 13 states and 12 transitions. [2019-10-22 08:58:36,885 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 08:58:36,886 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 12 transitions. [2019-10-22 08:58:36,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-10-22 08:58:36,886 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:36,886 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:58:37,097 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-10-22 08:58:37,097 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:58:37,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:37,098 INFO L82 PathProgramCache]: Analyzing trace with hash -1813045648, now seen corresponding path program 1 times [2019-10-22 08:58:37,098 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-10-22 08:58:37,098 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1942641583] [2019-10-22 08:58:37,098 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8e540e36-3a60-4145-aaa0-a583e4c18cf1/bin/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-10-22 08:58:37,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:37,920 INFO L256 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 11 conjunts are in the unsatisfiable core [2019-10-22 08:58:37,921 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:58:37,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:58:37,987 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 08:58:40,400 WARN L838 $PredicateComparison]: unable to prove that (= (fp.div roundNearestTiesToEven (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (_ +zero 11 53)))) (fp.sub roundNearestTiesToEven .cse0 .cse0)) (_ +zero 11 53)) (fp.div roundNearestTiesToEven (fp.sub roundNearestTiesToEven c_ULTIMATE.start___ieee754_log_~x c_ULTIMATE.start___ieee754_log_~x) c_~zero~0)) is different from false [2019-10-22 08:58:42,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:58:42,617 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1942641583] [2019-10-22 08:58:42,617 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:58:42,617 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2019-10-22 08:58:42,618 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026193091] [2019-10-22 08:58:42,618 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-22 08:58:42,618 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-10-22 08:58:42,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-22 08:58:42,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=55, Unknown=1, NotChecked=14, Total=90 [2019-10-22 08:58:42,619 INFO L87 Difference]: Start difference. First operand 13 states and 12 transitions. Second operand 10 states. [2019-10-22 08:58:44,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:44,708 INFO L93 Difference]: Finished difference Result 13 states and 12 transitions. [2019-10-22 08:58:44,708 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-22 08:58:44,708 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 12 [2019-10-22 08:58:44,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:44,710 INFO L225 Difference]: With dead ends: 13 [2019-10-22 08:58:44,710 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 08:58:44,711 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 12 SyntacticMatches, 3 SemanticMatches, 11 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=44, Invalid=91, Unknown=1, NotChecked=20, Total=156 [2019-10-22 08:58:44,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 08:58:44,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 08:58:44,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 08:58:44,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 08:58:44,712 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2019-10-22 08:58:44,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:44,712 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:58:44,712 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-22 08:58:44,712 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 08:58:44,712 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 08:58:44,919 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-10-22 08:58:44,923 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 08:58:45,035 INFO L446 ceAbstractionStarter]: At program point L155(lines 139 156) the Hoare annotation is: true [2019-10-22 08:58:45,035 INFO L439 ceAbstractionStarter]: At program point L122(lines 45 124) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (_ +zero 11 53)))) (and (= (_ +zero 11 53) ~zero~0) (exists ((v_skolemized_v_prenex_1_3 (_ BitVec 64))) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_1_3) ((_ extract 62 52) v_skolemized_v_prenex_1_3) ((_ extract 51 0) v_skolemized_v_prenex_1_3)) (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (_ +zero 11 53))) (= ((_ extract 63 32) v_skolemized_v_prenex_1_3) ULTIMATE.start___ieee754_log_~hx~1))) (= ULTIMATE.start___ieee754_log_~x .cse0) (= |ULTIMATE.start___ieee754_log_#res| (fp.div roundNearestTiesToEven (fp.sub roundNearestTiesToEven .cse0 .cse0) (_ +zero 11 53))))) [2019-10-22 08:58:45,035 INFO L443 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2019-10-22 08:58:45,035 INFO L443 ceAbstractionStarter]: For program point L85(lines 85 92) no Hoare annotation was computed. [2019-10-22 08:58:45,036 INFO L443 ceAbstractionStarter]: For program point L65-1(lines 65 69) no Hoare annotation was computed. [2019-10-22 08:58:45,036 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 08:58:45,036 INFO L439 ceAbstractionStarter]: At program point L65-2(lines 65 69) the Hoare annotation is: false [2019-10-22 08:58:45,036 INFO L443 ceAbstractionStarter]: For program point L94(lines 94 99) no Hoare annotation was computed. [2019-10-22 08:58:45,036 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 08:58:45,036 INFO L443 ceAbstractionStarter]: For program point L61(lines 61 62) no Hoare annotation was computed. [2019-10-22 08:58:45,036 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 08:58:45,036 INFO L443 ceAbstractionStarter]: For program point L119(lines 119 122) no Hoare annotation was computed. [2019-10-22 08:58:45,037 INFO L443 ceAbstractionStarter]: For program point L86(lines 86 91) no Hoare annotation was computed. [2019-10-22 08:58:45,037 INFO L443 ceAbstractionStarter]: For program point L111(lines 111 123) no Hoare annotation was computed. [2019-10-22 08:58:45,037 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 151) no Hoare annotation was computed. [2019-10-22 08:58:45,037 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 08:58:45,037 INFO L443 ceAbstractionStarter]: For program point L58(lines 58 70) no Hoare annotation was computed. [2019-10-22 08:58:45,037 INFO L443 ceAbstractionStarter]: For program point L58-1(lines 45 124) no Hoare annotation was computed. [2019-10-22 08:58:45,037 INFO L443 ceAbstractionStarter]: For program point L50-1(lines 50 55) no Hoare annotation was computed. [2019-10-22 08:58:45,038 INFO L439 ceAbstractionStarter]: At program point L50-2(lines 50 55) the Hoare annotation is: (and (= (_ +zero 11 53) ~zero~0) (= ULTIMATE.start___ieee754_log_~x (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (_ +zero 11 53)))) [2019-10-22 08:58:45,038 INFO L443 ceAbstractionStarter]: For program point L50-3(lines 50 55) no Hoare annotation was computed. [2019-10-22 08:58:45,038 INFO L439 ceAbstractionStarter]: At program point L137(line 137) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (_ +zero 11 53)))) (and (= (_ +zero 11 53) ~zero~0) (exists ((v_skolemized_v_prenex_1_3 (_ BitVec 64))) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_1_3) ((_ extract 62 52) v_skolemized_v_prenex_1_3) ((_ extract 51 0) v_skolemized_v_prenex_1_3)) (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (_ +zero 11 53))) (= ((_ extract 63 32) v_skolemized_v_prenex_1_3) ULTIMATE.start___ieee754_log_~hx~1))) (= ULTIMATE.start___ieee754_log_~x .cse0) (= |ULTIMATE.start___ieee754_log_#res| (fp.div roundNearestTiesToEven (fp.sub roundNearestTiesToEven .cse0 .cse0) (_ +zero 11 53))) (= (_ bv1 32) |ULTIMATE.start_isnan_double_#res|))) [2019-10-22 08:58:45,038 INFO L443 ceAbstractionStarter]: For program point L59(lines 59 60) no Hoare annotation was computed. [2019-10-22 08:58:45,038 INFO L443 ceAbstractionStarter]: For program point L150(lines 150 153) no Hoare annotation was computed. [2019-10-22 08:58:45,038 INFO L443 ceAbstractionStarter]: For program point L84(lines 84 100) no Hoare annotation was computed. [2019-10-22 08:58:45,038 INFO L443 ceAbstractionStarter]: For program point L113(lines 113 117) no Hoare annotation was computed. [2019-10-22 08:58:45,039 INFO L443 ceAbstractionStarter]: For program point L76-1(lines 76 81) no Hoare annotation was computed. [2019-10-22 08:58:45,039 INFO L439 ceAbstractionStarter]: At program point L76-2(lines 76 81) the Hoare annotation is: false [2019-10-22 08:58:45,041 INFO L443 ceAbstractionStarter]: For program point L76-3(lines 76 81) no Hoare annotation was computed. [2019-10-22 08:58:45,047 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-10-22 08:58:45,051 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-10-22 08:58:45,051 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-10-22 08:58:45,054 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:58:45,054 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:58:45,054 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-10-22 08:58:45,055 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:58:45,055 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:58:45,055 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:58:45,055 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:58:45,056 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:58:45,056 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:58:45,056 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:58:45,056 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:58:45,061 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-10-22 08:58:45,064 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-10-22 08:58:45,064 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-10-22 08:58:45,065 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:58:45,065 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:58:45,065 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-10-22 08:58:45,065 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:58:45,066 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:58:45,066 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:58:45,066 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:58:45,066 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:58:45,066 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:58:45,067 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:58:45,067 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:58:45,070 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:58:45,070 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:58:45,071 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:58:45,071 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:58:45,072 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-10-22 08:58:45,073 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-10-22 08:58:45,073 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-10-22 08:58:45,074 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:58:45,074 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:58:45,074 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-10-22 08:58:45,074 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:58:45,074 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:58:45,075 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:58:45,075 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:58:45,075 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:58:45,075 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:58:45,076 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:58:45,076 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:58:45,077 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-10-22 08:58:45,078 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-10-22 08:58:45,079 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-10-22 08:58:45,079 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:58:45,079 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:58:45,080 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-10-22 08:58:45,087 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:58:45,087 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:58:45,088 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:58:45,088 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:58:45,088 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:58:45,088 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:58:45,088 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:58:45,089 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:58:45,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 08:58:45 BoogieIcfgContainer [2019-10-22 08:58:45,091 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 08:58:45,092 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:58:45,092 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:58:45,092 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:58:45,092 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:58:33" (3/4) ... [2019-10-22 08:58:45,097 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 08:58:45,110 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-10-22 08:58:45,111 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-10-22 08:58:45,140 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((~Pluszero~LONGDOUBLE() == zero && (\exists v_skolemized_v_prenex_1_3 : bv64 :: ~fp~LONGDOUBLE(v_skolemized_v_prenex_1_3[63:63], v_skolemized_v_prenex_1_3[62:52], v_skolemized_v_prenex_1_3[51:0]) == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()) && v_skolemized_v_prenex_1_3[63:32] == hx)) && x == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) && \result == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~Pluszero~LONGDOUBLE()) [2019-10-22 08:58:45,141 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((~Pluszero~LONGDOUBLE() == zero && (\exists v_skolemized_v_prenex_1_3 : bv64 :: ~fp~LONGDOUBLE(v_skolemized_v_prenex_1_3[63:63], v_skolemized_v_prenex_1_3[62:52], v_skolemized_v_prenex_1_3[51:0]) == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()) && v_skolemized_v_prenex_1_3[63:32] == hx)) && x == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) && \result == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~Pluszero~LONGDOUBLE())) && 1bv32 == \result [2019-10-22 08:58:45,190 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8e540e36-3a60-4145-aaa0-a583e4c18cf1/bin/uautomizer/witness.graphml [2019-10-22 08:58:45,193 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:58:45,200 INFO L168 Benchmark]: Toolchain (without parser) took 33845.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.3 MB). Free memory was 947.0 MB in the beginning and 1.0 GB in the end (delta: -65.4 MB). Peak memory consumption was 102.9 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:45,200 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:58:45,200 INFO L168 Benchmark]: CACSL2BoogieTranslator took 361.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.3 MB). Free memory was 947.0 MB in the beginning and 1.2 GB in the end (delta: -210.7 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:45,201 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.13 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:58:45,201 INFO L168 Benchmark]: Boogie Preprocessor took 30.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:45,201 INFO L168 Benchmark]: RCFGBuilder took 21813.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 27.1 MB). Peak memory consumption was 27.1 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:45,201 INFO L168 Benchmark]: TraceAbstraction took 11494.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 105.2 MB). Peak memory consumption was 105.2 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:45,202 INFO L168 Benchmark]: Witness Printer took 103.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:45,203 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 361.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.3 MB). Free memory was 947.0 MB in the beginning and 1.2 GB in the end (delta: -210.7 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 37.13 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 21813.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 27.1 MB). Peak memory consumption was 27.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 11494.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 105.2 MB). Peak memory consumption was 105.2 MB. Max. memory is 11.5 GB. * Witness Printer took 103.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 151]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 45]: Loop Invariant [2019-10-22 08:58:45,208 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-10-22 08:58:45,209 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-10-22 08:58:45,209 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-10-22 08:58:45,209 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:58:45,209 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:58:45,209 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-10-22 08:58:45,210 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:58:45,210 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:58:45,210 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:58:45,210 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:58:45,210 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:58:45,210 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:58:45,210 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:58:45,211 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:58:45,211 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-10-22 08:58:45,211 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-10-22 08:58:45,212 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-10-22 08:58:45,212 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:58:45,212 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:58:45,212 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-10-22 08:58:45,212 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:58:45,212 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:58:45,213 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:58:45,213 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:58:45,213 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:58:45,213 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:58:45,213 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:58:45,213 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((~Pluszero~LONGDOUBLE() == zero && (\exists v_skolemized_v_prenex_1_3 : bv64 :: ~fp~LONGDOUBLE(v_skolemized_v_prenex_1_3[63:63], v_skolemized_v_prenex_1_3[62:52], v_skolemized_v_prenex_1_3[51:0]) == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()) && v_skolemized_v_prenex_1_3[63:32] == hx)) && x == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) && \result == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 50]: Loop Invariant [2019-10-22 08:58:45,214 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:58:45,214 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:58:45,215 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:58:45,215 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ~Pluszero~LONGDOUBLE() == zero && x == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 137]: Loop Invariant [2019-10-22 08:58:45,216 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-10-22 08:58:45,216 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-10-22 08:58:45,216 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-10-22 08:58:45,217 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:58:45,217 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:58:45,217 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-10-22 08:58:45,217 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:58:45,217 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:58:45,217 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:58:45,218 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:58:45,218 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:58:45,218 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:58:45,218 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:58:45,218 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:58:45,228 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-10-22 08:58:45,228 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-10-22 08:58:45,228 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-10-22 08:58:45,228 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:58:45,229 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:58:45,229 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-10-22 08:58:45,229 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:58:45,229 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:58:45,229 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:58:45,229 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:58:45,230 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:58:45,230 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:58:45,230 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:58:45,230 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (((~Pluszero~LONGDOUBLE() == zero && (\exists v_skolemized_v_prenex_1_3 : bv64 :: ~fp~LONGDOUBLE(v_skolemized_v_prenex_1_3[63:63], v_skolemized_v_prenex_1_3[62:52], v_skolemized_v_prenex_1_3[51:0]) == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()) && v_skolemized_v_prenex_1_3[63:32] == hx)) && x == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) && \result == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~Pluszero~LONGDOUBLE())) && 1bv32 == \result - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 29 locations, 1 error locations. Result: SAFE, OverallTime: 11.4s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 3.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 53 SDtfs, 31 SDslu, 26 SDs, 0 SdLazy, 21 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 65 GetRequests, 46 SyntacticMatches, 3 SemanticMatches, 16 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 5.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 6 LocationsWithAnnotation, 6 PreInvPairs, 10 NumberOfFragments, 129 HoareAnnotationTreeSize, 6 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 2.1s SatisfiabilityAnalysisTime, 5.0s InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 60 ConstructedInterpolants, 9 QuantifiedInterpolants, 5084 SizeOfPredicates, 16 NumberOfNonLiveVariables, 126 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...