./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0480_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_55455a09-bda7-4458-8a6e-4972689d845c/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_55455a09-bda7-4458-8a6e-4972689d845c/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_55455a09-bda7-4458-8a6e-4972689d845c/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_55455a09-bda7-4458-8a6e-4972689d845c/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0480_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_55455a09-bda7-4458-8a6e-4972689d845c/bin-2019/uautomizer/config/svcomp-Reach-32bit-PetriAutomizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_55455a09-bda7-4458-8a6e-4972689d845c/bin-2019/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 8015c985f157600a44233f2d61865f454dda9bb9 .................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_55455a09-bda7-4458-8a6e-4972689d845c/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_55455a09-bda7-4458-8a6e-4972689d845c/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_55455a09-bda7-4458-8a6e-4972689d845c/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_55455a09-bda7-4458-8a6e-4972689d845c/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0480_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_55455a09-bda7-4458-8a6e-4972689d845c/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_55455a09-bda7-4458-8a6e-4972689d845c/bin-2019/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 8015c985f157600a44233f2d61865f454dda9bb9 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 11:45:19,848 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:45:19,849 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:45:19,859 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:45:19,859 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:45:19,860 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:45:19,861 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:45:19,862 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:45:19,863 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:45:19,863 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:45:19,864 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:45:19,864 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:45:19,865 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:45:19,866 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:45:19,866 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:45:19,867 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:45:19,868 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:45:19,869 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:45:19,871 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:45:19,872 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:45:19,873 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:45:19,874 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:45:19,876 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:45:19,876 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:45:19,876 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:45:19,877 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:45:19,877 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:45:19,878 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:45:19,879 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:45:19,880 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:45:19,880 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:45:19,881 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:45:19,881 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:45:19,881 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:45:19,882 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:45:19,883 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:45:19,883 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_55455a09-bda7-4458-8a6e-4972689d845c/bin-2019/uautomizer/config/svcomp-Reach-32bit-PetriAutomizer_Default.epf [2018-11-18 11:45:19,894 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:45:19,894 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:45:19,895 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 11:45:19,895 INFO L133 SettingsManager]: * Process only entry and re-entry procedures=false [2018-11-18 11:45:19,895 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 11:45:19,896 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 11:45:19,896 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 11:45:19,896 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:45:19,896 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:45:19,896 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:45:19,896 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:45:19,897 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:45:19,897 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 11:45:19,897 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 11:45:19,897 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 11:45:19,897 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:45:19,897 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:45:19,897 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:45:19,898 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 11:45:19,898 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:45:19,898 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 11:45:19,898 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 11:45:19,898 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 11:45:19,898 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 11:45:19,898 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:45:19,899 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 11:45:19,899 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 11:45:19,899 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 11:45:19,899 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 11:45:19,899 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 11:45:19,899 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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_55455a09-bda7-4458-8a6e-4972689d845c/bin-2019/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 -> 8015c985f157600a44233f2d61865f454dda9bb9 [2018-11-18 11:45:19,926 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:45:19,939 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:45:19,942 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:45:19,943 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:45:19,944 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:45:19,944 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_55455a09-bda7-4458-8a6e-4972689d845c/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0480_true-unreach-call.c [2018-11-18 11:45:19,994 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_55455a09-bda7-4458-8a6e-4972689d845c/bin-2019/uautomizer/data/f3f7ca9f1/1538f0c0293b4e9dbbf4368871f9b339/FLAG5b848d148 [2018-11-18 11:45:20,341 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:45:20,341 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_55455a09-bda7-4458-8a6e-4972689d845c/sv-benchmarks/c/float-newlib/float_req_bl_0480_true-unreach-call.c [2018-11-18 11:45:20,348 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_55455a09-bda7-4458-8a6e-4972689d845c/bin-2019/uautomizer/data/f3f7ca9f1/1538f0c0293b4e9dbbf4368871f9b339/FLAG5b848d148 [2018-11-18 11:45:20,754 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_55455a09-bda7-4458-8a6e-4972689d845c/bin-2019/uautomizer/data/f3f7ca9f1/1538f0c0293b4e9dbbf4368871f9b339 [2018-11-18 11:45:20,756 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:45:20,758 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 11:45:20,759 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:45:20,759 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:45:20,762 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:45:20,762 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:45:20" (1/1) ... [2018-11-18 11:45:20,765 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7601ec79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:45:20, skipping insertion in model container [2018-11-18 11:45:20,765 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:45:20" (1/1) ... [2018-11-18 11:45:20,771 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:45:20,793 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:45:20,934 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:45:20,937 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:45:20,969 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:45:20,987 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:45:20,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:45:20 WrapperNode [2018-11-18 11:45:20,988 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:45:20,988 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:45:20,988 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:45:20,988 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:45:21,038 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:45:20" (1/1) ... [2018-11-18 11:45:21,038 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:45:20" (1/1) ... [2018-11-18 11:45:21,049 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:45:20" (1/1) ... [2018-11-18 11:45:21,049 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:45:20" (1/1) ... [2018-11-18 11:45:21,063 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:45:20" (1/1) ... [2018-11-18 11:45:21,071 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:45:20" (1/1) ... [2018-11-18 11:45:21,073 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:45:20" (1/1) ... [2018-11-18 11:45:21,076 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:45:21,076 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:45:21,077 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:45:21,077 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:45:21,077 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:45:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_55455a09-bda7-4458-8a6e-4972689d845c/bin-2019/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 [2018-11-18 11:45:21,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 11:45:21,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:45:21,116 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-11-18 11:45:21,117 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_acosf [2018-11-18 11:45:21,117 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2018-11-18 11:45:21,117 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 11:45:21,117 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 11:45:21,117 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-11-18 11:45:21,117 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-11-18 11:45:21,117 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 11:45:21,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-18 11:45:21,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 11:45:21,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 11:45:21,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 11:45:21,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-18 11:45:21,118 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_acosf [2018-11-18 11:45:21,118 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2018-11-18 11:45:21,118 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 11:45:21,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 11:45:21,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:45:21,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-11-18 11:45:21,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-18 11:45:21,430 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:45:21,430 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:45:21 BoogieIcfgContainer [2018-11-18 11:45:21,430 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:45:21,431 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 11:45:21,431 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 11:45:21,434 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 11:45:21,434 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 11:45:20" (1/3) ... [2018-11-18 11:45:21,435 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4adc7001 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:45:21, skipping insertion in model container [2018-11-18 11:45:21,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:45:20" (2/3) ... [2018-11-18 11:45:21,435 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4adc7001 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:45:21, skipping insertion in model container [2018-11-18 11:45:21,436 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:45:21" (3/3) ... [2018-11-18 11:45:21,437 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0480_true-unreach-call.c [2018-11-18 11:45:21,443 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 11:45:21,448 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 11:45:21,458 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 11:45:21,478 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 11:45:21,478 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 11:45:21,478 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 11:45:21,479 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 11:45:21,479 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 11:45:21,479 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 11:45:21,479 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 11:45:21,479 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 11:45:21,479 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 11:45:21,496 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states. [2018-11-18 11:45:21,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 11:45:21,503 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:45:21,503 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:45:21,505 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:45:21,509 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:45:21,509 INFO L82 PathProgramCache]: Analyzing trace with hash 1490552075, now seen corresponding path program 1 times [2018-11-18 11:45:21,511 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:45:21,511 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:45:21,545 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:45:21,545 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:45:21,545 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:45:21,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:45:21,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:45:21,624 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:45:21,625 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 11:45:21,627 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 11:45:21,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 11:45:21,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 11:45:21,638 INFO L87 Difference]: Start difference. First operand 73 states. Second operand 2 states. [2018-11-18 11:45:21,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:45:21,657 INFO L93 Difference]: Finished difference Result 138 states and 207 transitions. [2018-11-18 11:45:21,657 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 11:45:21,658 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2018-11-18 11:45:21,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:45:21,665 INFO L225 Difference]: With dead ends: 138 [2018-11-18 11:45:21,665 INFO L226 Difference]: Without dead ends: 69 [2018-11-18 11:45:21,668 INFO L604 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 [2018-11-18 11:45:21,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2018-11-18 11:45:21,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2018-11-18 11:45:21,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2018-11-18 11:45:21,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 87 transitions. [2018-11-18 11:45:21,699 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 87 transitions. Word has length 18 [2018-11-18 11:45:21,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:45:21,700 INFO L480 AbstractCegarLoop]: Abstraction has 69 states and 87 transitions. [2018-11-18 11:45:21,700 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 11:45:21,700 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 87 transitions. [2018-11-18 11:45:21,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 11:45:21,701 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:45:21,701 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:45:21,701 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:45:21,701 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:45:21,702 INFO L82 PathProgramCache]: Analyzing trace with hash 1285800813, now seen corresponding path program 1 times [2018-11-18 11:45:21,702 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:45:21,702 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:45:21,703 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:45:21,703 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:45:21,703 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:45:21,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:45:21,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:45:21,778 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-18 11:45:21,809 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 11:45:21 BoogieIcfgContainer [2018-11-18 11:45:21,809 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 11:45:21,809 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:45:21,809 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:45:21,810 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:45:21,810 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:45:21" (3/4) ... [2018-11-18 11:45:21,813 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 11:45:21,814 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:45:21,814 INFO L168 Benchmark]: Toolchain (without parser) took 1057.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 958.2 MB in the beginning and 1.1 GB in the end (delta: -105.0 MB). Peak memory consumption was 34.0 MB. Max. memory is 11.5 GB. [2018-11-18 11:45:21,816 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:45:21,816 INFO L168 Benchmark]: CACSL2BoogieTranslator took 229.39 ms. Allocated memory is still 1.0 GB. Free memory was 958.2 MB in the beginning and 942.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-18 11:45:21,817 INFO L168 Benchmark]: Boogie Preprocessor took 88.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 942.1 MB in the beginning and 1.1 GB in the end (delta: -191.8 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. [2018-11-18 11:45:21,817 INFO L168 Benchmark]: RCFGBuilder took 354.10 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: 31.0 MB). Peak memory consumption was 31.0 MB. Max. memory is 11.5 GB. [2018-11-18 11:45:21,818 INFO L168 Benchmark]: TraceAbstraction took 377.86 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: 39.7 MB). Peak memory consumption was 39.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:45:21,819 INFO L168 Benchmark]: Witness Printer took 4.43 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. [2018-11-18 11:45:21,821 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 229.39 ms. Allocated memory is still 1.0 GB. Free memory was 958.2 MB in the beginning and 942.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 88.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 942.1 MB in the beginning and 1.1 GB in the end (delta: -191.8 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 354.10 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: 31.0 MB). Peak memory consumption was 31.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 377.86 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: 39.7 MB). Peak memory consumption was 39.7 MB. Max. memory is 11.5 GB. * Witness Printer took 4.43 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: 182]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 181, overapproximation of someUnaryDOUBLEoperation at line 84, overapproximation of bitwiseAnd at line 98. Possible FailurePath: [L12] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L81-L88] static const float one_acos = 1.0000000000e+00, pi = 3.1415925026e+00, pio2_hi_acos = 1.5707962513e+00, pio2_lo_acos = 7.5497894159e-08, pS0_acos = 1.6666667163e-01, pS1_acos = -3.2556581497e-01, pS2_acos = 2.0121252537e-01, pS3_acos = -4.0055535734e-02, pS4_acos = 7.9153501429e-04, pS5_acos = 3.4793309169e-05, qS1_acos = -2.4033949375e+00, qS2_acos = 2.0209457874e+00, qS3_acos = -6.8828397989e-01, qS4_acos = 7.7038154006e-02; VAL [\old(one_acos)=4294967315, \old(one_sqrt)=4294967306, \old(pi)=4294967309, \old(pi)=4294967318, \old(pi)=4294967305, \old(pS0_acos)=4294967300, \old(pS1_acos)=4294967316, \old(pS2_acos)=4294967317, \old(pS3_acos)=4294967303, \old(pS4_acos)=4294967308, \old(pS5_acos)=4294967319, \old(qS1_acos)=4294967302, \old(qS2_acos)=4294967310, \old(qS3_acos)=4294967313, \old(qS4_acos)=4294967304, \old(tiny_sqrt)=4294967314, one_acos=1, one_sqrt=1, pi=75497894159/1000000000000000000, pi=15707962513/10000000000, pi=15707962513/5000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L177] float x = 1.0f; VAL [one_acos=1, one_sqrt=1, pi=15707962513/5000000000, pi=75497894159/1000000000000000000, pi=15707962513/10000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=1] [L178] CALL, EXPR __ieee754_acosf(x) VAL [\old(x)=1, one_acos=1, one_sqrt=1, pi=15707962513/10000000000, pi=75497894159/1000000000000000000, pi=15707962513/5000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L91] float z, p, q, r, w, s, c, df; [L92] __int32_t hx, ix; VAL [\old(x)=1, one_acos=1, one_sqrt=1, pi=15707962513/5000000000, pi=75497894159/1000000000000000000, pi=15707962513/10000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=1] [L94] FCALL ieee_float_shape_type gf_u; [L95] FCALL gf_u.value = (x) [L96] EXPR, FCALL gf_u.word [L96] (hx) = gf_u.word [L97] COND FALSE !(0) VAL [\old(x)=1, hx=3, one_acos=1, one_sqrt=1, pi=15707962513/10000000000, pi=15707962513/5000000000, pi=75497894159/1000000000000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=1] [L98] ix = hx & 0x7fffffff VAL [\old(x)=1, hx=3, one_acos=1, one_sqrt=1, pi=75497894159/1000000000000000000, pi=15707962513/5000000000, pi=15707962513/10000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=1] [L99] COND TRUE ix == 0x3f800000 VAL [\old(x)=1, hx=3, ix=1065353216, one_acos=1, one_sqrt=1, pi=15707962513/10000000000, pi=15707962513/5000000000, pi=75497894159/1000000000000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=1] [L100] COND TRUE hx > 0 [L101] RET return 0.0; VAL [\old(x)=1, \result=0, hx=3, ix=1065353216, one_acos=1, one_sqrt=1, pi=75497894159/1000000000000000000, pi=15707962513/5000000000, pi=15707962513/10000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=1] [L178] EXPR __ieee754_acosf(x) VAL [__ieee754_acosf(x)=0, one_acos=1, one_sqrt=1, pi=15707962513/10000000000, pi=75497894159/1000000000000000000, pi=15707962513/5000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=1] [L178] float res = __ieee754_acosf(x); [L181] EXPR res == 0.0f && __signbit_float(res) == 0 VAL [one_acos=1, one_sqrt=1, pi=15707962513/10000000000, pi=75497894159/1000000000000000000, pi=15707962513/5000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, res=0, res == 0.0f && __signbit_float(res) == 0=0, tiny_sqrt=1/1000000000000000000000000000000, x=1] [L181] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L182] __VERIFIER_error() VAL [one_acos=1, one_sqrt=1, pi=15707962513/10000000000, pi=15707962513/5000000000, pi=75497894159/1000000000000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, res=0, tiny_sqrt=1/1000000000000000000000000000000, x=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 73 locations, 1 error locations. UNSAFE Result, 0.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 91 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=73occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 289 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: 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 0.1.23-5842f4b [2018-11-18 11:45:23,376 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:45:23,378 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:45:23,387 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:45:23,387 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:45:23,388 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:45:23,389 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:45:23,390 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:45:23,391 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:45:23,392 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:45:23,392 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:45:23,392 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:45:23,393 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:45:23,394 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:45:23,395 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:45:23,396 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:45:23,396 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:45:23,398 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:45:23,400 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:45:23,401 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:45:23,402 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:45:23,403 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:45:23,405 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:45:23,405 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:45:23,405 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:45:23,406 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:45:23,407 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:45:23,407 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:45:23,408 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:45:23,409 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:45:23,409 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:45:23,409 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:45:23,410 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:45:23,410 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:45:23,411 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:45:23,411 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:45:23,411 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_55455a09-bda7-4458-8a6e-4972689d845c/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-18 11:45:23,422 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:45:23,422 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:45:23,423 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 11:45:23,423 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 11:45:23,424 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 11:45:23,424 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 11:45:23,424 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 11:45:23,424 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:45:23,424 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:45:23,424 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:45:23,424 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:45:23,425 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 11:45:23,425 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 11:45:23,425 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 11:45:23,425 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 11:45:23,425 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 11:45:23,425 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:45:23,425 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:45:23,425 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:45:23,426 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 11:45:23,426 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:45:23,426 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 11:45:23,428 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 11:45:23,428 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 11:45:23,428 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 11:45:23,428 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:45:23,429 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 11:45:23,429 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 11:45:23,429 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-18 11:45:23,429 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 11:45:23,429 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 11:45:23,429 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 11:45:23,429 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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_55455a09-bda7-4458-8a6e-4972689d845c/bin-2019/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 -> 8015c985f157600a44233f2d61865f454dda9bb9 [2018-11-18 11:45:23,461 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:45:23,471 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:45:23,474 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:45:23,475 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:45:23,475 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:45:23,476 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_55455a09-bda7-4458-8a6e-4972689d845c/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0480_true-unreach-call.c [2018-11-18 11:45:23,521 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_55455a09-bda7-4458-8a6e-4972689d845c/bin-2019/uautomizer/data/556a1d65b/4ae3f01d8d2e4bd2ae18a8984e8f0bd6/FLAG1dba96823 [2018-11-18 11:45:23,853 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:45:23,854 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_55455a09-bda7-4458-8a6e-4972689d845c/sv-benchmarks/c/float-newlib/float_req_bl_0480_true-unreach-call.c [2018-11-18 11:45:23,858 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_55455a09-bda7-4458-8a6e-4972689d845c/bin-2019/uautomizer/data/556a1d65b/4ae3f01d8d2e4bd2ae18a8984e8f0bd6/FLAG1dba96823 [2018-11-18 11:45:24,279 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_55455a09-bda7-4458-8a6e-4972689d845c/bin-2019/uautomizer/data/556a1d65b/4ae3f01d8d2e4bd2ae18a8984e8f0bd6 [2018-11-18 11:45:24,282 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:45:24,282 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 11:45:24,283 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:45:24,283 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:45:24,286 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:45:24,287 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:45:24" (1/1) ... [2018-11-18 11:45:24,289 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66f3337a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:45:24, skipping insertion in model container [2018-11-18 11:45:24,289 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:45:24" (1/1) ... [2018-11-18 11:45:24,295 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:45:24,317 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:45:24,497 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:45:24,502 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:45:24,543 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:45:24,562 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:45:24,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:45:24 WrapperNode [2018-11-18 11:45:24,563 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:45:24,564 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:45:24,564 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:45:24,564 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:45:24,573 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:45:24" (1/1) ... [2018-11-18 11:45:24,573 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:45:24" (1/1) ... [2018-11-18 11:45:24,582 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:45:24" (1/1) ... [2018-11-18 11:45:24,583 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:45:24" (1/1) ... [2018-11-18 11:45:24,602 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:45:24" (1/1) ... [2018-11-18 11:45:24,660 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:45:24" (1/1) ... [2018-11-18 11:45:24,663 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:45:24" (1/1) ... [2018-11-18 11:45:24,667 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:45:24,667 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:45:24,667 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:45:24,667 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:45:24,668 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:45:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_55455a09-bda7-4458-8a6e-4972689d845c/bin-2019/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 [2018-11-18 11:45:24,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 11:45:24,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:45:24,708 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-11-18 11:45:24,708 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_acosf [2018-11-18 11:45:24,708 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2018-11-18 11:45:24,708 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 11:45:24,708 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 11:45:24,708 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-11-18 11:45:24,708 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-11-18 11:45:24,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 11:45:24,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-11-18 11:45:24,709 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-18 11:45:24,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 11:45:24,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-18 11:45:24,709 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-11-18 11:45:24,709 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_acosf [2018-11-18 11:45:24,709 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2018-11-18 11:45:24,709 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 11:45:24,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 11:45:24,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:45:24,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-11-18 11:45:24,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2018-11-18 11:45:24,845 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 11:45:34,520 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:45:34,520 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:45:34 BoogieIcfgContainer [2018-11-18 11:45:34,520 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:45:34,521 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 11:45:34,521 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 11:45:34,524 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 11:45:34,524 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 11:45:24" (1/3) ... [2018-11-18 11:45:34,525 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9d87b81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:45:34, skipping insertion in model container [2018-11-18 11:45:34,525 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:45:24" (2/3) ... [2018-11-18 11:45:34,526 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9d87b81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:45:34, skipping insertion in model container [2018-11-18 11:45:34,526 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:45:34" (3/3) ... [2018-11-18 11:45:34,528 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0480_true-unreach-call.c [2018-11-18 11:45:34,535 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 11:45:34,541 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 11:45:34,551 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 11:45:34,577 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 11:45:34,578 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 11:45:34,578 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 11:45:34,578 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 11:45:34,578 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 11:45:34,579 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 11:45:34,579 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 11:45:34,579 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 11:45:34,579 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 11:45:34,591 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states. [2018-11-18 11:45:34,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 11:45:34,596 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:45:34,597 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:45:34,599 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:45:34,605 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:45:34,605 INFO L82 PathProgramCache]: Analyzing trace with hash 1490552075, now seen corresponding path program 1 times [2018-11-18 11:45:34,610 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 11:45:34,611 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_55455a09-bda7-4458-8a6e-4972689d845c/bin-2019/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 [2018-11-18 11:45:34,619 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:45:34,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:45:34,705 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:45:34,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:45:34,717 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 11:45:34,727 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:45:34,727 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 11:45:34,730 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 11:45:34,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 11:45:34,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 11:45:34,744 INFO L87 Difference]: Start difference. First operand 73 states. Second operand 2 states. [2018-11-18 11:45:34,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:45:34,770 INFO L93 Difference]: Finished difference Result 138 states and 207 transitions. [2018-11-18 11:45:34,771 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 11:45:34,772 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2018-11-18 11:45:34,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:45:34,781 INFO L225 Difference]: With dead ends: 138 [2018-11-18 11:45:34,781 INFO L226 Difference]: Without dead ends: 69 [2018-11-18 11:45:34,785 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 11:45:34,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2018-11-18 11:45:34,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2018-11-18 11:45:34,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2018-11-18 11:45:34,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 87 transitions. [2018-11-18 11:45:34,825 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 87 transitions. Word has length 18 [2018-11-18 11:45:34,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:45:34,826 INFO L480 AbstractCegarLoop]: Abstraction has 69 states and 87 transitions. [2018-11-18 11:45:34,826 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 11:45:34,826 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 87 transitions. [2018-11-18 11:45:34,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 11:45:34,827 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:45:34,827 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:45:34,828 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:45:34,828 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:45:34,828 INFO L82 PathProgramCache]: Analyzing trace with hash 1285800813, now seen corresponding path program 1 times [2018-11-18 11:45:34,828 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 11:45:34,829 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_55455a09-bda7-4458-8a6e-4972689d845c/bin-2019/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 [2018-11-18 11:45:34,841 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:45:34,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:45:34,909 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:45:34,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:45:34,948 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 11:45:34,956 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:45:34,956 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 11:45:34,957 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 11:45:34,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 11:45:34,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 11:45:34,958 INFO L87 Difference]: Start difference. First operand 69 states and 87 transitions. Second operand 5 states. [2018-11-18 11:45:42,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:45:42,984 INFO L93 Difference]: Finished difference Result 76 states and 94 transitions. [2018-11-18 11:45:43,204 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 11:45:43,204 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 19 [2018-11-18 11:45:43,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:45:43,206 INFO L225 Difference]: With dead ends: 76 [2018-11-18 11:45:43,206 INFO L226 Difference]: Without dead ends: 73 [2018-11-18 11:45:43,207 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 11:45:43,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2018-11-18 11:45:43,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2018-11-18 11:45:43,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2018-11-18 11:45:43,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 91 transitions. [2018-11-18 11:45:43,216 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 91 transitions. Word has length 19 [2018-11-18 11:45:43,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:45:43,216 INFO L480 AbstractCegarLoop]: Abstraction has 73 states and 91 transitions. [2018-11-18 11:45:43,216 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 11:45:43,217 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 91 transitions. [2018-11-18 11:45:43,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 11:45:43,217 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:45:43,218 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:45:43,218 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:45:43,218 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:45:43,218 INFO L82 PathProgramCache]: Analyzing trace with hash -2121662802, now seen corresponding path program 1 times [2018-11-18 11:45:43,219 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 11:45:43,219 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_55455a09-bda7-4458-8a6e-4972689d845c/bin-2019/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 [2018-11-18 11:45:43,222 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:45:43,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:45:43,324 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:45:43,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:45:43,394 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 11:45:43,408 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:45:43,408 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 11:45:43,408 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 11:45:43,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 11:45:43,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 11:45:43,409 INFO L87 Difference]: Start difference. First operand 73 states and 91 transitions. Second operand 6 states. [2018-11-18 11:45:49,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:45:49,099 INFO L93 Difference]: Finished difference Result 90 states and 108 transitions. [2018-11-18 11:45:49,100 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 11:45:49,100 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19 [2018-11-18 11:45:49,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:45:49,103 INFO L225 Difference]: With dead ends: 90 [2018-11-18 11:45:49,103 INFO L226 Difference]: Without dead ends: 75 [2018-11-18 11:45:49,104 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-18 11:45:49,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2018-11-18 11:45:49,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 73. [2018-11-18 11:45:49,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2018-11-18 11:45:49,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 90 transitions. [2018-11-18 11:45:49,111 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 90 transitions. Word has length 19 [2018-11-18 11:45:49,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:45:49,111 INFO L480 AbstractCegarLoop]: Abstraction has 73 states and 90 transitions. [2018-11-18 11:45:49,111 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 11:45:49,111 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 90 transitions. [2018-11-18 11:45:49,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 11:45:49,112 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:45:49,112 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:45:49,112 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:45:49,112 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:45:49,113 INFO L82 PathProgramCache]: Analyzing trace with hash 1552469005, now seen corresponding path program 1 times [2018-11-18 11:45:49,113 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 11:45:49,113 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_55455a09-bda7-4458-8a6e-4972689d845c/bin-2019/uautomizer/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-11-18 11:45:49,124 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:45:49,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:45:49,334 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:45:49,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:45:49,415 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 11:45:49,425 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:45:49,425 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 11:45:49,425 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 11:45:49,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 11:45:49,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 11:45:49,426 INFO L87 Difference]: Start difference. First operand 73 states and 90 transitions. Second operand 7 states. [2018-11-18 11:45:54,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:45:54,944 INFO L93 Difference]: Finished difference Result 88 states and 105 transitions. [2018-11-18 11:45:54,951 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 11:45:54,951 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2018-11-18 11:45:54,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:45:54,952 INFO L225 Difference]: With dead ends: 88 [2018-11-18 11:45:54,952 INFO L226 Difference]: Without dead ends: 66 [2018-11-18 11:45:54,952 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-11-18 11:45:54,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2018-11-18 11:45:54,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2018-11-18 11:45:54,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2018-11-18 11:45:54,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 79 transitions. [2018-11-18 11:45:54,959 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 79 transitions. Word has length 19 [2018-11-18 11:45:54,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:45:54,959 INFO L480 AbstractCegarLoop]: Abstraction has 66 states and 79 transitions. [2018-11-18 11:45:54,959 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 11:45:54,959 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 79 transitions. [2018-11-18 11:45:54,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 11:45:54,960 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:45:54,960 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:45:54,960 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:45:54,960 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:45:54,961 INFO L82 PathProgramCache]: Analyzing trace with hash 1101852978, now seen corresponding path program 1 times [2018-11-18 11:45:54,961 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 11:45:54,961 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_55455a09-bda7-4458-8a6e-4972689d845c/bin-2019/uautomizer/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-11-18 11:45:54,972 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:45:55,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:45:56,051 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:45:56,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:45:56,130 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 11:45:56,155 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:45:56,155 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 11:45:56,155 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 11:45:56,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 11:45:56,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 11:45:56,156 INFO L87 Difference]: Start difference. First operand 66 states and 79 transitions. Second operand 7 states. [2018-11-18 11:46:01,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:46:01,043 INFO L93 Difference]: Finished difference Result 81 states and 94 transitions. [2018-11-18 11:46:01,220 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 11:46:01,221 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 21 [2018-11-18 11:46:01,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:46:01,223 INFO L225 Difference]: With dead ends: 81 [2018-11-18 11:46:01,223 INFO L226 Difference]: Without dead ends: 65 [2018-11-18 11:46:01,223 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-11-18 11:46:01,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2018-11-18 11:46:01,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2018-11-18 11:46:01,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-11-18 11:46:01,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 77 transitions. [2018-11-18 11:46:01,228 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 77 transitions. Word has length 21 [2018-11-18 11:46:01,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:46:01,228 INFO L480 AbstractCegarLoop]: Abstraction has 65 states and 77 transitions. [2018-11-18 11:46:01,228 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 11:46:01,228 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 77 transitions. [2018-11-18 11:46:01,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-18 11:46:01,229 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:46:01,229 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:46:01,229 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:46:01,229 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:46:01,230 INFO L82 PathProgramCache]: Analyzing trace with hash 1809267939, now seen corresponding path program 1 times [2018-11-18 11:46:01,230 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 11:46:01,230 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_55455a09-bda7-4458-8a6e-4972689d845c/bin-2019/uautomizer/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2018-11-18 11:46:01,234 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:46:01,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:46:01,296 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:46:01,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:46:01,436 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 11:46:01,445 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:46:01,445 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-18 11:46:01,445 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 11:46:01,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 11:46:01,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-11-18 11:46:01,446 INFO L87 Difference]: Start difference. First operand 65 states and 77 transitions. Second operand 10 states. [2018-11-18 11:46:03,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:46:03,855 INFO L93 Difference]: Finished difference Result 70 states and 82 transitions. [2018-11-18 11:46:03,855 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-18 11:46:03,855 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 27 [2018-11-18 11:46:03,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:46:03,856 INFO L225 Difference]: With dead ends: 70 [2018-11-18 11:46:03,856 INFO L226 Difference]: Without dead ends: 60 [2018-11-18 11:46:03,856 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2018-11-18 11:46:03,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2018-11-18 11:46:03,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2018-11-18 11:46:03,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-11-18 11:46:03,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 71 transitions. [2018-11-18 11:46:03,860 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 71 transitions. Word has length 27 [2018-11-18 11:46:03,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:46:03,861 INFO L480 AbstractCegarLoop]: Abstraction has 60 states and 71 transitions. [2018-11-18 11:46:03,861 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 11:46:03,861 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 71 transitions. [2018-11-18 11:46:03,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-18 11:46:03,862 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:46:03,862 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:46:03,862 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:46:03,862 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:46:03,862 INFO L82 PathProgramCache]: Analyzing trace with hash 1930776833, now seen corresponding path program 1 times [2018-11-18 11:46:03,863 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 11:46:03,863 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_55455a09-bda7-4458-8a6e-4972689d845c/bin-2019/uautomizer/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2018-11-18 11:46:03,866 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:46:04,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:46:05,071 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:46:05,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:46:05,155 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 11:46:05,177 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:46:05,177 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 11:46:05,177 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 11:46:05,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 11:46:05,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 11:46:05,178 INFO L87 Difference]: Start difference. First operand 60 states and 71 transitions. Second operand 7 states. [2018-11-18 11:46:07,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:46:07,700 INFO L93 Difference]: Finished difference Result 60 states and 71 transitions. [2018-11-18 11:46:07,701 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 11:46:07,701 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 30 [2018-11-18 11:46:07,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:46:07,701 INFO L225 Difference]: With dead ends: 60 [2018-11-18 11:46:07,701 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 11:46:07,701 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-11-18 11:46:07,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 11:46:07,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 11:46:07,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 11:46:07,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 11:46:07,702 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 30 [2018-11-18 11:46:07,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:46:07,702 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 11:46:07,702 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 11:46:07,702 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 11:46:07,702 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 11:46:07,706 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 11:46:07,839 INFO L425 ceAbstractionStarter]: For program point L93-1(lines 93 97) no Hoare annotation was computed. [2018-11-18 11:46:07,839 INFO L421 ceAbstractionStarter]: At program point L93-3(lines 93 97) the Hoare annotation is: (= |__ieee754_acosf_#in~x| __ieee754_acosf_~x) [2018-11-18 11:46:07,839 INFO L425 ceAbstractionStarter]: For program point L93-4(lines 93 97) no Hoare annotation was computed. [2018-11-18 11:46:07,839 INFO L425 ceAbstractionStarter]: For program point __ieee754_acosfFINAL(lines 90 157) no Hoare annotation was computed. [2018-11-18 11:46:07,839 INFO L428 ceAbstractionStarter]: At program point __ieee754_acosfENTRY(lines 90 157) the Hoare annotation is: true [2018-11-18 11:46:07,839 INFO L421 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: (exists ((__ieee754_acosf_~hx~1 (_ BitVec 32))) (and (= |__ieee754_acosf_#in~x| (fp ((_ extract 31 31) __ieee754_acosf_~hx~1) ((_ extract 30 23) __ieee754_acosf_~hx~1) ((_ extract 22 0) __ieee754_acosf_~hx~1))) (not (= (bvadd (bvand (_ bv2147483647 32) __ieee754_acosf_~hx~1) (_ bv3229614080 32)) (_ bv0 32))))) [2018-11-18 11:46:07,839 INFO L425 ceAbstractionStarter]: For program point L127-1(line 127) no Hoare annotation was computed. [2018-11-18 11:46:07,839 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 156) no Hoare annotation was computed. [2018-11-18 11:46:07,839 INFO L425 ceAbstractionStarter]: For program point L107(lines 107 156) no Hoare annotation was computed. [2018-11-18 11:46:07,840 INFO L425 ceAbstractionStarter]: For program point L136-1(lines 136 140) no Hoare annotation was computed. [2018-11-18 11:46:07,840 INFO L421 ceAbstractionStarter]: At program point L136-3(lines 136 140) the Hoare annotation is: (and (exists ((__ieee754_acosf_~hx~1 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) __ieee754_acosf_~hx~1) __ieee754_acosf_~ix~1) (= |__ieee754_acosf_#in~x| (fp ((_ extract 31 31) __ieee754_acosf_~hx~1) ((_ extract 30 23) __ieee754_acosf_~hx~1) ((_ extract 22 0) __ieee754_acosf_~hx~1))))) (= |__ieee754_acosf_#in~x| __ieee754_acosf_~x) (= |__ieee754_acosf_#in~x| (fp ((_ extract 31 31) __ieee754_acosf_~hx~1) ((_ extract 30 23) __ieee754_acosf_~hx~1) ((_ extract 22 0) __ieee754_acosf_~hx~1))) (exists ((__ieee754_acosf_~hx~1 (_ BitVec 32))) (and (= |__ieee754_acosf_#in~x| (fp ((_ extract 31 31) __ieee754_acosf_~hx~1) ((_ extract 30 23) __ieee754_acosf_~hx~1) ((_ extract 22 0) __ieee754_acosf_~hx~1))) (not (= (bvadd (bvand (_ bv2147483647 32) __ieee754_acosf_~hx~1) (_ bv3229614080 32)) (_ bv0 32)))))) [2018-11-18 11:46:07,840 INFO L425 ceAbstractionStarter]: For program point L99(lines 99 106) no Hoare annotation was computed. [2018-11-18 11:46:07,840 INFO L425 ceAbstractionStarter]: For program point __ieee754_acosfEXIT(lines 90 157) no Hoare annotation was computed. [2018-11-18 11:46:07,840 INFO L425 ceAbstractionStarter]: For program point L141(lines 141 145) no Hoare annotation was computed. [2018-11-18 11:46:07,840 INFO L425 ceAbstractionStarter]: For program point L108(lines 108 109) no Hoare annotation was computed. [2018-11-18 11:46:07,840 INFO L425 ceAbstractionStarter]: For program point L141-2(lines 131 156) no Hoare annotation was computed. [2018-11-18 11:46:07,840 INFO L425 ceAbstractionStarter]: For program point L141-3(lines 141 145) no Hoare annotation was computed. [2018-11-18 11:46:07,840 INFO L425 ceAbstractionStarter]: For program point L104(lines 104 106) no Hoare annotation was computed. [2018-11-18 11:46:07,840 INFO L425 ceAbstractionStarter]: For program point L100(lines 100 103) no Hoare annotation was computed. [2018-11-18 11:46:07,840 INFO L421 ceAbstractionStarter]: At program point L134(line 134) the Hoare annotation is: (and (exists ((__ieee754_acosf_~hx~1 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) __ieee754_acosf_~hx~1) __ieee754_acosf_~ix~1) (= |__ieee754_acosf_#in~x| (fp ((_ extract 31 31) __ieee754_acosf_~hx~1) ((_ extract 30 23) __ieee754_acosf_~hx~1) ((_ extract 22 0) __ieee754_acosf_~hx~1))))) (= |__ieee754_acosf_#in~x| __ieee754_acosf_~x) (= |__ieee754_acosf_#in~x| (fp ((_ extract 31 31) __ieee754_acosf_~hx~1) ((_ extract 30 23) __ieee754_acosf_~hx~1) ((_ extract 22 0) __ieee754_acosf_~hx~1))) (exists ((__ieee754_acosf_~hx~1 (_ BitVec 32))) (and (= |__ieee754_acosf_#in~x| (fp ((_ extract 31 31) __ieee754_acosf_~hx~1) ((_ extract 30 23) __ieee754_acosf_~hx~1) ((_ extract 22 0) __ieee754_acosf_~hx~1))) (not (= (bvadd (bvand (_ bv2147483647 32) __ieee754_acosf_~hx~1) (_ bv3229614080 32)) (_ bv0 32)))))) [2018-11-18 11:46:07,840 INFO L425 ceAbstractionStarter]: For program point L134-1(line 134) no Hoare annotation was computed. [2018-11-18 11:46:07,841 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 11:46:07,841 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-18 11:46:07,841 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 11:46:07,841 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 11:46:07,841 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-18 11:46:07,841 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 11:46:07,841 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 11:46:07,841 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 171 187) the Hoare annotation is: true [2018-11-18 11:46:07,841 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 182) no Hoare annotation was computed. [2018-11-18 11:46:07,841 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 171 187) no Hoare annotation was computed. [2018-11-18 11:46:07,841 INFO L425 ceAbstractionStarter]: For program point L182(line 182) no Hoare annotation was computed. [2018-11-18 11:46:07,841 INFO L425 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-18 11:46:07,841 INFO L421 ceAbstractionStarter]: At program point L181-1(line 181) the Hoare annotation is: (and (= ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)) main_~res~0) |main_#t~short17| (= ((_ to_fp 8 24) roundNearestTiesToEven 1.0) main_~x~0)) [2018-11-18 11:46:07,842 INFO L425 ceAbstractionStarter]: For program point L181-2(line 181) no Hoare annotation was computed. [2018-11-18 11:46:07,842 INFO L421 ceAbstractionStarter]: At program point L178(line 178) the Hoare annotation is: (= ((_ to_fp 8 24) roundNearestTiesToEven 1.0) main_~x~0) [2018-11-18 11:46:07,842 INFO L425 ceAbstractionStarter]: For program point L178-1(line 178) no Hoare annotation was computed. [2018-11-18 11:46:07,842 INFO L425 ceAbstractionStarter]: For program point L181-4(lines 181 184) no Hoare annotation was computed. [2018-11-18 11:46:07,842 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 171 187) no Hoare annotation was computed. [2018-11-18 11:46:07,842 INFO L425 ceAbstractionStarter]: For program point L35-2(lines 35 39) no Hoare annotation was computed. [2018-11-18 11:46:07,842 INFO L425 ceAbstractionStarter]: For program point L31(lines 31 32) no Hoare annotation was computed. [2018-11-18 11:46:07,842 INFO L425 ceAbstractionStarter]: For program point L52(lines 52 56) no Hoare annotation was computed. [2018-11-18 11:46:07,842 INFO L425 ceAbstractionStarter]: For program point L19-1(lines 19 23) no Hoare annotation was computed. [2018-11-18 11:46:07,842 INFO L425 ceAbstractionStarter]: For program point L52-2(lines 52 56) no Hoare annotation was computed. [2018-11-18 11:46:07,842 INFO L428 ceAbstractionStarter]: At program point L19-3(lines 19 23) the Hoare annotation is: true [2018-11-18 11:46:07,842 INFO L425 ceAbstractionStarter]: For program point L19-4(lines 19 23) no Hoare annotation was computed. [2018-11-18 11:46:07,842 INFO L425 ceAbstractionStarter]: For program point L73-1(lines 73 77) no Hoare annotation was computed. [2018-11-18 11:46:07,842 INFO L428 ceAbstractionStarter]: At program point L73-3(lines 73 77) the Hoare annotation is: true [2018-11-18 11:46:07,843 INFO L425 ceAbstractionStarter]: For program point L73-4(lines 73 77) no Hoare annotation was computed. [2018-11-18 11:46:07,843 INFO L425 ceAbstractionStarter]: For program point L36-1(lines 36 37) no Hoare annotation was computed. [2018-11-18 11:46:07,843 INFO L425 ceAbstractionStarter]: For program point L36-3(lines 36 37) no Hoare annotation was computed. [2018-11-18 11:46:07,843 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 68) no Hoare annotation was computed. [2018-11-18 11:46:07,843 INFO L428 ceAbstractionStarter]: At program point L36-4(lines 36 37) the Hoare annotation is: true [2018-11-18 11:46:07,843 INFO L425 ceAbstractionStarter]: For program point L36-5(lines 36 37) no Hoare annotation was computed. [2018-11-18 11:46:07,843 INFO L425 ceAbstractionStarter]: For program point L61(lines 61 70) no Hoare annotation was computed. [2018-11-18 11:46:07,843 INFO L428 ceAbstractionStarter]: At program point __ieee754_sqrtfENTRY(lines 14 79) the Hoare annotation is: true [2018-11-18 11:46:07,843 INFO L425 ceAbstractionStarter]: For program point __ieee754_sqrtfFINAL(lines 14 79) no Hoare annotation was computed. [2018-11-18 11:46:07,843 INFO L425 ceAbstractionStarter]: For program point L29(lines 29 30) no Hoare annotation was computed. [2018-11-18 11:46:07,843 INFO L425 ceAbstractionStarter]: For program point __ieee754_sqrtfEXIT(lines 14 79) no Hoare annotation was computed. [2018-11-18 11:46:07,844 INFO L425 ceAbstractionStarter]: For program point L50-1(lines 50 59) no Hoare annotation was computed. [2018-11-18 11:46:07,844 INFO L428 ceAbstractionStarter]: At program point L50-3(lines 50 59) the Hoare annotation is: true [2018-11-18 11:46:07,844 INFO L425 ceAbstractionStarter]: For program point L50-4(lines 14 79) no Hoare annotation was computed. [2018-11-18 11:46:07,844 INFO L425 ceAbstractionStarter]: For program point L42(lines 42 43) no Hoare annotation was computed. [2018-11-18 11:46:07,844 INFO L425 ceAbstractionStarter]: For program point L42-2(lines 42 43) no Hoare annotation was computed. [2018-11-18 11:46:07,844 INFO L425 ceAbstractionStarter]: For program point L63(lines 63 69) no Hoare annotation was computed. [2018-11-18 11:46:07,844 INFO L425 ceAbstractionStarter]: For program point L26(lines 26 27) no Hoare annotation was computed. [2018-11-18 11:46:07,844 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 39) no Hoare annotation was computed. [2018-11-18 11:46:07,844 INFO L425 ceAbstractionStarter]: For program point L162-1(lines 162 166) no Hoare annotation was computed. [2018-11-18 11:46:07,844 INFO L421 ceAbstractionStarter]: At program point L162-3(lines 162 166) the Hoare annotation is: (= |__signbit_float_#in~x| __signbit_float_~x) [2018-11-18 11:46:07,844 INFO L425 ceAbstractionStarter]: For program point L162-4(lines 162 166) no Hoare annotation was computed. [2018-11-18 11:46:07,845 INFO L425 ceAbstractionStarter]: For program point __signbit_floatFINAL(lines 159 169) no Hoare annotation was computed. [2018-11-18 11:46:07,845 INFO L428 ceAbstractionStarter]: At program point __signbit_floatENTRY(lines 159 169) the Hoare annotation is: true [2018-11-18 11:46:07,845 INFO L425 ceAbstractionStarter]: For program point __signbit_floatEXIT(lines 159 169) no Hoare annotation was computed. [2018-11-18 11:46:07,854 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-11-18 11:46:07,855 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-11-18 11:46:07,855 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-11-18 11:46:07,855 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-11-18 11:46:07,855 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-11-18 11:46:07,856 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-11-18 11:46:07,856 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-11-18 11:46:07,856 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-11-18 11:46:07,857 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-11-18 11:46:07,857 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-11-18 11:46:07,857 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-11-18 11:46:07,858 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-11-18 11:46:07,858 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-11-18 11:46:07,858 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-11-18 11:46:07,858 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-11-18 11:46:07,859 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-11-18 11:46:07,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 11:46:07 BoogieIcfgContainer [2018-11-18 11:46:07,861 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 11:46:07,861 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:46:07,861 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:46:07,861 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:46:07,862 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:45:34" (3/4) ... [2018-11-18 11:46:07,865 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 11:46:07,871 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_acosf [2018-11-18 11:46:07,871 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 11:46:07,872 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 11:46:07,872 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrtf [2018-11-18 11:46:07,872 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __signbit_float [2018-11-18 11:46:07,877 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 49 nodes and edges [2018-11-18 11:46:07,877 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-11-18 11:46:07,878 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-18 11:46:07,878 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 11:46:07,897 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-11-18 11:46:07,897 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-11-18 11:46:07,898 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\exists __ieee754_acosf_~hx~1 : bv32 :: ~bvand32(2147483647bv32, __ieee754_acosf_~hx~1) == ix && \old(x) == ~fp~LONGDOUBLE(__ieee754_acosf_~hx~1[31:31], __ieee754_acosf_~hx~1[30:23], __ieee754_acosf_~hx~1[22:0])) && \old(x) == x) && \old(x) == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0])) && (\exists __ieee754_acosf_~hx~1 : bv32 :: \old(x) == ~fp~LONGDOUBLE(__ieee754_acosf_~hx~1[31:31], __ieee754_acosf_~hx~1[30:23], __ieee754_acosf_~hx~1[22:0]) && !(~bvadd64(~bvand32(2147483647bv32, __ieee754_acosf_~hx~1), 3229614080bv32) == 0bv32)) [2018-11-18 11:46:07,927 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_55455a09-bda7-4458-8a6e-4972689d845c/bin-2019/uautomizer/witness.graphml [2018-11-18 11:46:07,928 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:46:07,929 INFO L168 Benchmark]: Toolchain (without parser) took 43646.66 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 92.3 MB). Free memory was 951.9 MB in the beginning and 794.1 MB in the end (delta: 157.8 MB). Peak memory consumption was 250.1 MB. Max. memory is 11.5 GB. [2018-11-18 11:46:07,930 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:46:07,930 INFO L168 Benchmark]: CACSL2BoogieTranslator took 280.16 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 MB in the beginning and 930.4 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-18 11:46:07,930 INFO L168 Benchmark]: Boogie Preprocessor took 103.21 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 92.3 MB). Free memory was 930.4 MB in the beginning and 1.1 GB in the end (delta: -155.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:46:07,931 INFO L168 Benchmark]: RCFGBuilder took 9853.31 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 48.2 MB). Peak memory consumption was 48.2 MB. Max. memory is 11.5 GB. [2018-11-18 11:46:07,931 INFO L168 Benchmark]: TraceAbstraction took 33339.63 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 794.1 MB in the end (delta: 243.8 MB). Peak memory consumption was 243.8 MB. Max. memory is 11.5 GB. [2018-11-18 11:46:07,931 INFO L168 Benchmark]: Witness Printer took 66.86 ms. Allocated memory is still 1.1 GB. Free memory is still 794.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:46:07,933 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 280.16 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 MB in the beginning and 930.4 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 103.21 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 92.3 MB). Free memory was 930.4 MB in the beginning and 1.1 GB in the end (delta: -155.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 9853.31 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 48.2 MB). Peak memory consumption was 48.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 33339.63 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 794.1 MB in the end (delta: 243.8 MB). Peak memory consumption was 243.8 MB. Max. memory is 11.5 GB. * Witness Printer took 66.86 ms. Allocated memory is still 1.1 GB. Free memory is still 794.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 182]: 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: 19]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 36]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 93]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 162]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 73]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 136]: Loop Invariant [2018-11-18 11:46:07,938 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-11-18 11:46:07,938 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-11-18 11:46:07,938 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-11-18 11:46:07,939 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-11-18 11:46:07,939 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-11-18 11:46:07,939 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-11-18 11:46:07,939 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-11-18 11:46:07,939 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-11-18 11:46:07,940 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-11-18 11:46:07,940 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-11-18 11:46:07,940 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-11-18 11:46:07,940 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-11-18 11:46:07,940 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-11-18 11:46:07,940 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-11-18 11:46:07,941 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-11-18 11:46:07,941 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] Derived loop invariant: (((\exists __ieee754_acosf_~hx~1 : bv32 :: ~bvand32(2147483647bv32, __ieee754_acosf_~hx~1) == ix && \old(x) == ~fp~LONGDOUBLE(__ieee754_acosf_~hx~1[31:31], __ieee754_acosf_~hx~1[30:23], __ieee754_acosf_~hx~1[22:0])) && \old(x) == x) && \old(x) == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0])) && (\exists __ieee754_acosf_~hx~1 : bv32 :: \old(x) == ~fp~LONGDOUBLE(__ieee754_acosf_~hx~1[31:31], __ieee754_acosf_~hx~1[30:23], __ieee754_acosf_~hx~1[22:0]) && !(~bvadd64(~bvand32(2147483647bv32, __ieee754_acosf_~hx~1), 3229614080bv32) == 0bv32)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 73 locations, 1 error locations. SAFE Result, 33.2s OverallTime, 7 OverallIterations, 1 TraceHistogramMax, 29.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 511 SDtfs, 164 SDslu, 1892 SDs, 0 SdLazy, 194 SolverSat, 14 SolverUnsat, 11 SolverUnknown, 0 SolverNotchecked, 27.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 161 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=73occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 7 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 18 LocationsWithAnnotation, 43 PreInvPairs, 57 NumberOfFragments, 149 HoareAnnotationTreeSize, 43 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 18 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 2.5s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 153 NumberOfCodeBlocks, 153 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 146 ConstructedInterpolants, 22 QuantifiedInterpolants, 16763 SizeOfPredicates, 20 NumberOfNonLiveVariables, 727 ConjunctsInSsa, 39 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...