./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1211a_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_7e1c7c28-416e-4d69-8c1d-1d4d70ad5f48/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7e1c7c28-416e-4d69-8c1d-1d4d70ad5f48/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7e1c7c28-416e-4d69-8c1d-1d4d70ad5f48/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7e1c7c28-416e-4d69-8c1d-1d4d70ad5f48/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1211a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_7e1c7c28-416e-4d69-8c1d-1d4d70ad5f48/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7e1c7c28-416e-4d69-8c1d-1d4d70ad5f48/bin-2019/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0186804fc9e8cef09b3a1cefd7c260de08abc9c3 ............................................................................................................................................................................................................................................................................................................................................................................... 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_7e1c7c28-416e-4d69-8c1d-1d4d70ad5f48/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7e1c7c28-416e-4d69-8c1d-1d4d70ad5f48/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7e1c7c28-416e-4d69-8c1d-1d4d70ad5f48/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7e1c7c28-416e-4d69-8c1d-1d4d70ad5f48/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1211a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_7e1c7c28-416e-4d69-8c1d-1d4d70ad5f48/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7e1c7c28-416e-4d69-8c1d-1d4d70ad5f48/bin-2019/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0186804fc9e8cef09b3a1cefd7c260de08abc9c3 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-03 02:57:09,869 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 02:57:09,871 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 02:57:09,878 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 02:57:09,878 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 02:57:09,879 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 02:57:09,879 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 02:57:09,881 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 02:57:09,882 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 02:57:09,882 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 02:57:09,883 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 02:57:09,883 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 02:57:09,884 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 02:57:09,884 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 02:57:09,885 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 02:57:09,885 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 02:57:09,886 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 02:57:09,887 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 02:57:09,889 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 02:57:09,890 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 02:57:09,890 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 02:57:09,891 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 02:57:09,893 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-03 02:57:09,893 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-03 02:57:09,893 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-03 02:57:09,894 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-03 02:57:09,894 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-03 02:57:09,895 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-03 02:57:09,896 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-03 02:57:09,896 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-03 02:57:09,896 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-03 02:57:09,897 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-03 02:57:09,897 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-03 02:57:09,897 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-03 02:57:09,898 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-03 02:57:09,898 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-03 02:57:09,898 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7e1c7c28-416e-4d69-8c1d-1d4d70ad5f48/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-03 02:57:09,908 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 02:57:09,909 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 02:57:09,909 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 02:57:09,909 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 02:57:09,910 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 02:57:09,910 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 02:57:09,910 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-03 02:57:09,910 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-03 02:57:09,910 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-03 02:57:09,910 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-03 02:57:09,911 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-03 02:57:09,911 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-03 02:57:09,911 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 02:57:09,911 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 02:57:09,912 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 02:57:09,912 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 02:57:09,912 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 02:57:09,912 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 02:57:09,912 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 02:57:09,912 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 02:57:09,912 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 02:57:09,913 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 02:57:09,913 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 02:57:09,913 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 02:57:09,913 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 02:57:09,913 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 02:57:09,913 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-03 02:57:09,913 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 02:57:09,913 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 02:57:09,913 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 02:57:09,914 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 02:57:09,914 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 02:57:09,914 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-03 02:57:09,914 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 02:57:09,914 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 02:57:09,914 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-03 02:57:09,914 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_7e1c7c28-416e-4d69-8c1d-1d4d70ad5f48/bin-2019/utaipan 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 -> Taipan 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 -> 0186804fc9e8cef09b3a1cefd7c260de08abc9c3 [2018-12-03 02:57:09,937 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 02:57:09,946 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 02:57:09,949 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 02:57:09,950 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-03 02:57:09,950 INFO L276 PluginConnector]: CDTParser initialized [2018-12-03 02:57:09,951 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7e1c7c28-416e-4d69-8c1d-1d4d70ad5f48/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_1211a_true-unreach-call.c [2018-12-03 02:57:09,997 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7e1c7c28-416e-4d69-8c1d-1d4d70ad5f48/bin-2019/utaipan/data/1180c455e/d55472dea4ef447cacc8fdecba361650/FLAG6278c1720 [2018-12-03 02:57:10,298 INFO L307 CDTParser]: Found 1 translation units. [2018-12-03 02:57:10,298 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7e1c7c28-416e-4d69-8c1d-1d4d70ad5f48/sv-benchmarks/c/float-newlib/float_req_bl_1211a_true-unreach-call.c [2018-12-03 02:57:10,303 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7e1c7c28-416e-4d69-8c1d-1d4d70ad5f48/bin-2019/utaipan/data/1180c455e/d55472dea4ef447cacc8fdecba361650/FLAG6278c1720 [2018-12-03 02:57:10,311 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7e1c7c28-416e-4d69-8c1d-1d4d70ad5f48/bin-2019/utaipan/data/1180c455e/d55472dea4ef447cacc8fdecba361650 [2018-12-03 02:57:10,313 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 02:57:10,314 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-03 02:57:10,315 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-03 02:57:10,315 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-03 02:57:10,317 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-03 02:57:10,317 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:57:10" (1/1) ... [2018-12-03 02:57:10,319 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71739fa5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:57:10, skipping insertion in model container [2018-12-03 02:57:10,319 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:57:10" (1/1) ... [2018-12-03 02:57:10,323 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-03 02:57:10,334 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-03 02:57:10,434 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 02:57:10,440 INFO L191 MainTranslator]: Completed pre-run [2018-12-03 02:57:10,458 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 02:57:10,496 INFO L195 MainTranslator]: Completed translation [2018-12-03 02:57:10,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:57:10 WrapperNode [2018-12-03 02:57:10,497 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-03 02:57:10,497 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 02:57:10,497 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 02:57:10,497 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 02:57:10,502 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:57:10" (1/1) ... [2018-12-03 02:57:10,509 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:57:10" (1/1) ... [2018-12-03 02:57:10,513 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 02:57:10,513 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 02:57:10,513 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 02:57:10,513 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 02:57:10,519 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:57:10" (1/1) ... [2018-12-03 02:57:10,519 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:57:10" (1/1) ... [2018-12-03 02:57:10,521 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:57:10" (1/1) ... [2018-12-03 02:57:10,521 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:57:10" (1/1) ... [2018-12-03 02:57:10,528 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:57:10" (1/1) ... [2018-12-03 02:57:10,533 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:57:10" (1/1) ... [2018-12-03 02:57:10,534 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:57:10" (1/1) ... [2018-12-03 02:57:10,535 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 02:57:10,535 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 02:57:10,536 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 02:57:10,536 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 02:57:10,536 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:57:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7e1c7c28-416e-4d69-8c1d-1d4d70ad5f48/bin-2019/utaipan/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 [2018-12-03 02:57:10,566 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-03 02:57:10,566 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-03 02:57:10,566 INFO L130 BoogieDeclarations]: Found specification of procedure modf_float [2018-12-03 02:57:10,566 INFO L138 BoogieDeclarations]: Found implementation of procedure modf_float [2018-12-03 02:57:10,566 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-03 02:57:10,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-03 02:57:10,567 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2018-12-03 02:57:10,567 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2018-12-03 02:57:10,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-03 02:57:10,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-03 02:57:10,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-03 02:57:10,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-03 02:57:10,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 02:57:10,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 02:57:10,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2018-12-03 02:57:10,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-03 02:57:10,568 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2018-12-03 02:57:10,568 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2018-12-03 02:57:10,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-03 02:57:10,762 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 02:57:10,762 INFO L280 CfgBuilder]: Removed 18 assue(true) statements. [2018-12-03 02:57:10,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:57:10 BoogieIcfgContainer [2018-12-03 02:57:10,763 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 02:57:10,763 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-03 02:57:10,763 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-03 02:57:10,765 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-03 02:57:10,765 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 02:57:10" (1/3) ... [2018-12-03 02:57:10,765 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@692d12bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 02:57:10, skipping insertion in model container [2018-12-03 02:57:10,766 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:57:10" (2/3) ... [2018-12-03 02:57:10,766 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@692d12bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 02:57:10, skipping insertion in model container [2018-12-03 02:57:10,766 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:57:10" (3/3) ... [2018-12-03 02:57:10,767 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1211a_true-unreach-call.c [2018-12-03 02:57:10,773 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-03 02:57:10,777 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-03 02:57:10,786 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-03 02:57:10,803 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-03 02:57:10,804 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-03 02:57:10,804 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-03 02:57:10,804 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-03 02:57:10,804 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-03 02:57:10,804 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-03 02:57:10,804 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-03 02:57:10,804 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-03 02:57:10,814 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states. [2018-12-03 02:57:10,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-03 02:57:10,818 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:57:10,818 INFO L402 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] [2018-12-03 02:57:10,819 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:57:10,822 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:57:10,822 INFO L82 PathProgramCache]: Analyzing trace with hash -1328912444, now seen corresponding path program 1 times [2018-12-03 02:57:10,824 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 02:57:10,851 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:57:10,851 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:57:10,851 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:57:10,851 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 02:57:10,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:57:10,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 02:57:10,902 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 02:57:10,902 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-03 02:57:10,903 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 02:57:10,905 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-03 02:57:10,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-03 02:57:10,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-03 02:57:10,914 INFO L87 Difference]: Start difference. First operand 59 states. Second operand 2 states. [2018-12-03 02:57:10,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:57:10,930 INFO L93 Difference]: Finished difference Result 110 states and 158 transitions. [2018-12-03 02:57:10,930 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-03 02:57:10,930 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 27 [2018-12-03 02:57:10,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:57:10,936 INFO L225 Difference]: With dead ends: 110 [2018-12-03 02:57:10,936 INFO L226 Difference]: Without dead ends: 55 [2018-12-03 02:57:10,938 INFO L631 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 [2018-12-03 02:57:10,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-12-03 02:57:10,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2018-12-03 02:57:10,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-12-03 02:57:10,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 59 transitions. [2018-12-03 02:57:10,960 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 59 transitions. Word has length 27 [2018-12-03 02:57:10,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:57:10,960 INFO L480 AbstractCegarLoop]: Abstraction has 55 states and 59 transitions. [2018-12-03 02:57:10,961 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-03 02:57:10,961 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 59 transitions. [2018-12-03 02:57:10,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-03 02:57:10,961 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:57:10,961 INFO L402 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] [2018-12-03 02:57:10,962 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:57:10,962 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:57:10,962 INFO L82 PathProgramCache]: Analyzing trace with hash -2017954314, now seen corresponding path program 1 times [2018-12-03 02:57:10,962 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 02:57:10,962 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:57:10,963 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:57:10,963 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:57:10,963 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 02:57:10,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:57:11,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 02:57:11,013 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 02:57:11,013 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 02:57:11,013 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 02:57:11,014 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 02:57:11,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 02:57:11,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 02:57:11,014 INFO L87 Difference]: Start difference. First operand 55 states and 59 transitions. Second operand 3 states. [2018-12-03 02:57:11,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:57:11,024 INFO L93 Difference]: Finished difference Result 58 states and 61 transitions. [2018-12-03 02:57:11,024 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 02:57:11,024 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2018-12-03 02:57:11,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:57:11,025 INFO L225 Difference]: With dead ends: 58 [2018-12-03 02:57:11,025 INFO L226 Difference]: Without dead ends: 55 [2018-12-03 02:57:11,026 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 02:57:11,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-12-03 02:57:11,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2018-12-03 02:57:11,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-12-03 02:57:11,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 58 transitions. [2018-12-03 02:57:11,029 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 58 transitions. Word has length 30 [2018-12-03 02:57:11,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:57:11,029 INFO L480 AbstractCegarLoop]: Abstraction has 55 states and 58 transitions. [2018-12-03 02:57:11,030 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 02:57:11,030 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 58 transitions. [2018-12-03 02:57:11,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-03 02:57:11,030 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:57:11,030 INFO L402 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, 1, 1] [2018-12-03 02:57:11,030 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:57:11,030 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:57:11,031 INFO L82 PathProgramCache]: Analyzing trace with hash 2060718957, now seen corresponding path program 1 times [2018-12-03 02:57:11,031 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 02:57:11,031 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:57:11,031 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:57:11,031 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:57:11,031 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 02:57:11,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-03 02:57:11,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-03 02:57:11,086 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-03 02:57:11,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.12 02:57:11 BoogieIcfgContainer [2018-12-03 02:57:11,106 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-03 02:57:11,106 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-03 02:57:11,106 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-03 02:57:11,106 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-03 02:57:11,106 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:57:10" (3/4) ... [2018-12-03 02:57:11,108 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-03 02:57:11,109 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-03 02:57:11,109 INFO L168 Benchmark]: Toolchain (without parser) took 795.40 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 89.7 MB). Free memory was 949.7 MB in the beginning and 1.0 GB in the end (delta: -63.3 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. [2018-12-03 02:57:11,110 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 02:57:11,110 INFO L168 Benchmark]: CACSL2BoogieTranslator took 182.40 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 89.7 MB). Free memory was 949.7 MB in the beginning and 1.1 GB in the end (delta: -140.5 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. [2018-12-03 02:57:11,111 INFO L168 Benchmark]: Boogie Procedure Inliner took 15.62 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-03 02:57:11,111 INFO L168 Benchmark]: Boogie Preprocessor took 22.24 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-03 02:57:11,111 INFO L168 Benchmark]: RCFGBuilder took 227.14 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. [2018-12-03 02:57:11,112 INFO L168 Benchmark]: TraceAbstraction took 342.61 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: 44.0 MB). Peak memory consumption was 44.0 MB. Max. memory is 11.5 GB. [2018-12-03 02:57:11,112 INFO L168 Benchmark]: Witness Printer took 2.80 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 02:57:11,114 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 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 182.40 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 89.7 MB). Free memory was 949.7 MB in the beginning and 1.1 GB in the end (delta: -140.5 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 15.62 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.24 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 227.14 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 342.61 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: 44.0 MB). Peak memory consumption was 44.0 MB. Max. memory is 11.5 GB. * Witness Printer took 2.80 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 110]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 109, overapproximation of someBinaryArithmeticFLOAToperation at line 104, overapproximation of bitwiseAnd at line 93. Possible FailurePath: [L12] static const float one_modf = 1.0; VAL [\old(one_modf)=10737418244, one_modf=1] [L104] float x = 1.0f / 0.0f; [L105] float iptr = __VERIFIER_nondet_float(); [L106] CALL, EXPR modf_float(x, &iptr) VAL [\old(x)=10737418242, iptr={10737418256:0}, one_modf=1] [L15] __int32_t i0, j0; [L16] __uint32_t i; VAL [\old(x)=10737418242, iptr={10737418256:0}, iptr={10737418256:0}, one_modf=1, x=10737418242] [L18] ieee_float_shape_type gf_u; [L19] gf_u.value = (x) [L20] EXPR gf_u.word [L20] (i0) = gf_u.word [L22] j0 = ((i0 >> 23) & 0xff) - 0x7f VAL [\old(x)=10737418242, i0=-2147483648, iptr={10737418256:0}, iptr={10737418256:0}, one_modf=1, x=10737418242] [L23] COND TRUE j0 < 23 VAL [\old(x)=10737418242, i0=-2147483648, iptr={10737418256:0}, iptr={10737418256:0}, j0=-1, one_modf=1, x=10737418242] [L24] COND TRUE j0 < 0 VAL [\old(x)=10737418242, i0=-2147483648, iptr={10737418256:0}, iptr={10737418256:0}, j0=-1, one_modf=1, x=10737418242] [L26] ieee_float_shape_type sf_u; [L27] sf_u.word = (i0 & 0x80000000) [L28] EXPR sf_u.value [L28] (*iptr) = sf_u.value [L30] return x; VAL [\old(x)=10737418242, \result=10737418242, i0=-2147483648, iptr={10737418256:0}, iptr={10737418256:0}, j0=-1, one_modf=1, x=10737418242] [L106] RET, EXPR modf_float(x, &iptr) VAL [iptr={10737418256:0}, modf_float(x, &iptr)=10737418242, one_modf=1, x=10737418242] [L106] float res = modf_float(x, &iptr); [L109] EXPR \read(iptr) VAL [\read(iptr)=10737418254, iptr={10737418256:0}, one_modf=1, res=10737418242, x=10737418242] [L109] CALL, EXPR isinf_float(iptr) VAL [\old(x)=10737418254, one_modf=1] [L87] __int32_t ix; VAL [\old(x)=10737418254, one_modf=1, x=10737418254] [L89] ieee_float_shape_type gf_u; [L90] gf_u.value = (x) [L91] EXPR gf_u.word [L91] (ix) = gf_u.word [L93] ix &= 0x7fffffff [L94] return ((ix) == 0x7f800000L); VAL [\old(x)=10737418254, \result=1, ix=2139095040, one_modf=1, x=10737418254] [L109] RET, EXPR isinf_float(iptr) VAL [\read(iptr)=10737418254, iptr={10737418256:0}, isinf_float(iptr)=1, one_modf=1, res=10737418242, x=10737418242] [L109] isinf_float(iptr) && !(res == 0.0f && __signbit_float(res) == 0) [L109] EXPR res == 0.0f && __signbit_float(res) == 0 VAL [\read(iptr)=10737418254, iptr={10737418256:0}, isinf_float(iptr)=1, isinf_float(iptr) && !(res == 0.0f && __signbit_float(res) == 0)=1, one_modf=1, res=10737418242, res == 0.0f && __signbit_float(res) == 0=0, x=10737418242] [L109] isinf_float(iptr) && !(res == 0.0f && __signbit_float(res) == 0) VAL [\read(iptr)=10737418254, iptr={10737418256:0}, isinf_float(iptr)=1, isinf_float(iptr) && !(res == 0.0f && __signbit_float(res) == 0)=1, one_modf=1, res=10737418242, res == 0.0f && __signbit_float(res) == 0=0, x=10737418242] [L109] COND TRUE isinf_float(iptr) && !(res == 0.0f && __signbit_float(res) == 0) [L110] __VERIFIER_error() VAL [iptr={10737418256:0}, one_modf=1, res=10737418242, x=10737418242] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 59 locations, 1 error locations. UNSAFE Result, 0.3s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 122 SDtfs, 0 SDslu, 54 SDs, 0 SdLazy, 4 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=59occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 89 NumberOfCodeBlocks, 89 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 55 ConstructedInterpolants, 0 QuantifiedInterpolants, 1546 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 0.1.23-635dfa2 [2018-12-03 02:57:12,456 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 02:57:12,457 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 02:57:12,464 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 02:57:12,464 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 02:57:12,465 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 02:57:12,466 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 02:57:12,467 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 02:57:12,468 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 02:57:12,469 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 02:57:12,469 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 02:57:12,469 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 02:57:12,470 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 02:57:12,471 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 02:57:12,471 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 02:57:12,472 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 02:57:12,472 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 02:57:12,474 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 02:57:12,475 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 02:57:12,476 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 02:57:12,477 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 02:57:12,478 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 02:57:12,479 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-03 02:57:12,479 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-03 02:57:12,480 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-03 02:57:12,480 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-03 02:57:12,481 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-03 02:57:12,481 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-03 02:57:12,482 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-03 02:57:12,483 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-03 02:57:12,483 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-03 02:57:12,483 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-03 02:57:12,484 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-03 02:57:12,484 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-03 02:57:12,484 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-03 02:57:12,485 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-03 02:57:12,485 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7e1c7c28-416e-4d69-8c1d-1d4d70ad5f48/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-03 02:57:12,495 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 02:57:12,495 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 02:57:12,496 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 02:57:12,496 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 02:57:12,496 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 02:57:12,496 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 02:57:12,496 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-03 02:57:12,496 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-03 02:57:12,497 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-03 02:57:12,497 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 02:57:12,497 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 02:57:12,497 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 02:57:12,497 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 02:57:12,497 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 02:57:12,498 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 02:57:12,498 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 02:57:12,498 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 02:57:12,498 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-03 02:57:12,498 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-03 02:57:12,498 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 02:57:12,498 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 02:57:12,498 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-03 02:57:12,499 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 02:57:12,499 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 02:57:12,499 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 02:57:12,499 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-03 02:57:12,499 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 02:57:12,499 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 02:57:12,499 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 02:57:12,499 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 02:57:12,499 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 02:57:12,499 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-03 02:57:12,499 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 02:57:12,500 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-03 02:57:12,500 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-03 02:57:12,500 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_7e1c7c28-416e-4d69-8c1d-1d4d70ad5f48/bin-2019/utaipan 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 -> Taipan 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 -> 0186804fc9e8cef09b3a1cefd7c260de08abc9c3 [2018-12-03 02:57:12,522 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 02:57:12,529 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 02:57:12,531 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 02:57:12,532 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-03 02:57:12,533 INFO L276 PluginConnector]: CDTParser initialized [2018-12-03 02:57:12,533 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7e1c7c28-416e-4d69-8c1d-1d4d70ad5f48/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_1211a_true-unreach-call.c [2018-12-03 02:57:12,567 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7e1c7c28-416e-4d69-8c1d-1d4d70ad5f48/bin-2019/utaipan/data/acea8075c/da758a4eeeee436ea4897ce1f9043d48/FLAG45ec22d84 [2018-12-03 02:57:12,945 INFO L307 CDTParser]: Found 1 translation units. [2018-12-03 02:57:12,945 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7e1c7c28-416e-4d69-8c1d-1d4d70ad5f48/sv-benchmarks/c/float-newlib/float_req_bl_1211a_true-unreach-call.c [2018-12-03 02:57:12,949 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7e1c7c28-416e-4d69-8c1d-1d4d70ad5f48/bin-2019/utaipan/data/acea8075c/da758a4eeeee436ea4897ce1f9043d48/FLAG45ec22d84 [2018-12-03 02:57:12,957 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7e1c7c28-416e-4d69-8c1d-1d4d70ad5f48/bin-2019/utaipan/data/acea8075c/da758a4eeeee436ea4897ce1f9043d48 [2018-12-03 02:57:12,959 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 02:57:12,960 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-03 02:57:12,960 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-03 02:57:12,961 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-03 02:57:12,963 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-03 02:57:12,963 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:57:12" (1/1) ... [2018-12-03 02:57:12,965 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b7a218c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:57:12, skipping insertion in model container [2018-12-03 02:57:12,965 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:57:12" (1/1) ... [2018-12-03 02:57:12,969 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-03 02:57:12,980 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-03 02:57:13,080 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 02:57:13,089 INFO L191 MainTranslator]: Completed pre-run [2018-12-03 02:57:13,109 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 02:57:13,119 INFO L195 MainTranslator]: Completed translation [2018-12-03 02:57:13,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:57:13 WrapperNode [2018-12-03 02:57:13,119 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-03 02:57:13,120 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 02:57:13,120 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 02:57:13,120 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 02:57:13,125 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:57:13" (1/1) ... [2018-12-03 02:57:13,132 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:57:13" (1/1) ... [2018-12-03 02:57:13,136 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 02:57:13,137 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 02:57:13,137 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 02:57:13,137 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 02:57:13,142 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:57:13" (1/1) ... [2018-12-03 02:57:13,142 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:57:13" (1/1) ... [2018-12-03 02:57:13,145 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:57:13" (1/1) ... [2018-12-03 02:57:13,145 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:57:13" (1/1) ... [2018-12-03 02:57:13,185 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:57:13" (1/1) ... [2018-12-03 02:57:13,190 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:57:13" (1/1) ... [2018-12-03 02:57:13,191 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:57:13" (1/1) ... [2018-12-03 02:57:13,193 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 02:57:13,193 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 02:57:13,194 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 02:57:13,194 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 02:57:13,194 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:57:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7e1c7c28-416e-4d69-8c1d-1d4d70ad5f48/bin-2019/utaipan/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 [2018-12-03 02:57:13,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2018-12-03 02:57:13,223 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-03 02:57:13,224 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-03 02:57:13,224 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-12-03 02:57:13,224 INFO L130 BoogieDeclarations]: Found specification of procedure modf_float [2018-12-03 02:57:13,224 INFO L138 BoogieDeclarations]: Found implementation of procedure modf_float [2018-12-03 02:57:13,224 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2018-12-03 02:57:13,224 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2018-12-03 02:57:13,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-03 02:57:13,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-03 02:57:13,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-03 02:57:13,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-03 02:57:13,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 02:57:13,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 02:57:13,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-12-03 02:57:13,225 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2018-12-03 02:57:13,225 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2018-12-03 02:57:13,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-03 02:57:13,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-03 02:57:13,314 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 02:57:13,357 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 02:57:13,379 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 02:57:13,387 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 02:57:13,454 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 02:57:13,467 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 02:57:13,479 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 02:57:13,492 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 02:57:13,502 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 02:57:13,520 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 02:57:13,523 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 02:57:13,523 INFO L280 CfgBuilder]: Removed 18 assue(true) statements. [2018-12-03 02:57:13,524 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:57:13 BoogieIcfgContainer [2018-12-03 02:57:13,524 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 02:57:13,524 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-03 02:57:13,524 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-03 02:57:13,526 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-03 02:57:13,526 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 02:57:12" (1/3) ... [2018-12-03 02:57:13,527 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4873e1a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 02:57:13, skipping insertion in model container [2018-12-03 02:57:13,527 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:57:13" (2/3) ... [2018-12-03 02:57:13,527 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4873e1a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 02:57:13, skipping insertion in model container [2018-12-03 02:57:13,527 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:57:13" (3/3) ... [2018-12-03 02:57:13,528 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1211a_true-unreach-call.c [2018-12-03 02:57:13,534 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-03 02:57:13,538 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-03 02:57:13,547 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-03 02:57:13,563 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-03 02:57:13,564 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-03 02:57:13,564 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-03 02:57:13,564 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-03 02:57:13,564 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-03 02:57:13,564 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-03 02:57:13,564 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-03 02:57:13,564 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-03 02:57:13,564 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-03 02:57:13,574 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states. [2018-12-03 02:57:13,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-03 02:57:13,577 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:57:13,577 INFO L402 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] [2018-12-03 02:57:13,579 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:57:13,582 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:57:13,582 INFO L82 PathProgramCache]: Analyzing trace with hash -1328912444, now seen corresponding path program 1 times [2018-12-03 02:57:13,584 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-03 02:57:13,584 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7e1c7c28-416e-4d69-8c1d-1d4d70ad5f48/bin-2019/utaipan/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 [2018-12-03 02:57:13,588 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:57:13,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:57:13,673 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 02:57:13,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 02:57:13,685 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-03 02:57:13,694 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 02:57:13,694 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-03 02:57:13,696 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-03 02:57:13,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-03 02:57:13,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-03 02:57:13,705 INFO L87 Difference]: Start difference. First operand 59 states. Second operand 2 states. [2018-12-03 02:57:13,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:57:13,723 INFO L93 Difference]: Finished difference Result 110 states and 158 transitions. [2018-12-03 02:57:13,723 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-03 02:57:13,724 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 27 [2018-12-03 02:57:13,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:57:13,730 INFO L225 Difference]: With dead ends: 110 [2018-12-03 02:57:13,730 INFO L226 Difference]: Without dead ends: 55 [2018-12-03 02:57:13,732 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-03 02:57:13,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-12-03 02:57:13,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2018-12-03 02:57:13,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-12-03 02:57:13,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 59 transitions. [2018-12-03 02:57:13,758 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 59 transitions. Word has length 27 [2018-12-03 02:57:13,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:57:13,759 INFO L480 AbstractCegarLoop]: Abstraction has 55 states and 59 transitions. [2018-12-03 02:57:13,759 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-03 02:57:13,759 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 59 transitions. [2018-12-03 02:57:13,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-03 02:57:13,760 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:57:13,760 INFO L402 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] [2018-12-03 02:57:13,760 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:57:13,760 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:57:13,760 INFO L82 PathProgramCache]: Analyzing trace with hash -2017954314, now seen corresponding path program 1 times [2018-12-03 02:57:13,761 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-03 02:57:13,761 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7e1c7c28-416e-4d69-8c1d-1d4d70ad5f48/bin-2019/utaipan/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 [2018-12-03 02:57:13,764 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:57:13,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:57:13,809 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 02:57:13,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 02:57:13,914 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-03 02:57:13,921 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 02:57:13,921 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-03 02:57:13,922 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-03 02:57:13,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-03 02:57:13,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-03 02:57:13,923 INFO L87 Difference]: Start difference. First operand 55 states and 59 transitions. Second operand 7 states. [2018-12-03 02:57:14,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:57:14,548 INFO L93 Difference]: Finished difference Result 82 states and 87 transitions. [2018-12-03 02:57:14,549 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-03 02:57:14,549 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 30 [2018-12-03 02:57:14,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:57:14,550 INFO L225 Difference]: With dead ends: 82 [2018-12-03 02:57:14,550 INFO L226 Difference]: Without dead ends: 42 [2018-12-03 02:57:14,551 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2018-12-03 02:57:14,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-12-03 02:57:14,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2018-12-03 02:57:14,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-12-03 02:57:14,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 43 transitions. [2018-12-03 02:57:14,554 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 43 transitions. Word has length 30 [2018-12-03 02:57:14,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:57:14,554 INFO L480 AbstractCegarLoop]: Abstraction has 42 states and 43 transitions. [2018-12-03 02:57:14,555 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-03 02:57:14,555 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 43 transitions. [2018-12-03 02:57:14,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-03 02:57:14,555 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:57:14,555 INFO L402 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, 1] [2018-12-03 02:57:14,555 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:57:14,556 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:57:14,556 INFO L82 PathProgramCache]: Analyzing trace with hash -1555916386, now seen corresponding path program 1 times [2018-12-03 02:57:14,556 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-03 02:57:14,556 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7e1c7c28-416e-4d69-8c1d-1d4d70ad5f48/bin-2019/utaipan/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 [2018-12-03 02:57:14,559 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:57:14,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:57:14,645 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 02:57:14,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 02:57:14,650 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-03 02:57:14,658 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 02:57:14,658 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 02:57:14,658 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 02:57:14,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 02:57:14,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 02:57:14,658 INFO L87 Difference]: Start difference. First operand 42 states and 43 transitions. Second operand 3 states. [2018-12-03 02:57:14,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:57:14,666 INFO L93 Difference]: Finished difference Result 45 states and 45 transitions. [2018-12-03 02:57:14,666 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 02:57:14,666 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2018-12-03 02:57:14,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:57:14,666 INFO L225 Difference]: With dead ends: 45 [2018-12-03 02:57:14,667 INFO L226 Difference]: Without dead ends: 42 [2018-12-03 02:57:14,667 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 02:57:14,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-12-03 02:57:14,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2018-12-03 02:57:14,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-12-03 02:57:14,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 42 transitions. [2018-12-03 02:57:14,670 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 42 transitions. Word has length 31 [2018-12-03 02:57:14,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:57:14,670 INFO L480 AbstractCegarLoop]: Abstraction has 42 states and 42 transitions. [2018-12-03 02:57:14,671 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 02:57:14,671 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 42 transitions. [2018-12-03 02:57:14,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-03 02:57:14,671 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:57:14,671 INFO L402 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, 1, 1, 1] [2018-12-03 02:57:14,671 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:57:14,671 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:57:14,672 INFO L82 PathProgramCache]: Analyzing trace with hash -597431019, now seen corresponding path program 1 times [2018-12-03 02:57:14,672 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-03 02:57:14,672 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7e1c7c28-416e-4d69-8c1d-1d4d70ad5f48/bin-2019/utaipan/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 [2018-12-03 02:57:14,675 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:57:14,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:57:14,761 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 02:57:14,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 02:57:14,902 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-03 02:57:14,910 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 02:57:14,910 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-03 02:57:14,910 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-03 02:57:14,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-03 02:57:14,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-12-03 02:57:14,911 INFO L87 Difference]: Start difference. First operand 42 states and 42 transitions. Second operand 10 states. [2018-12-03 02:57:15,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:57:15,570 INFO L93 Difference]: Finished difference Result 46 states and 45 transitions. [2018-12-03 02:57:15,570 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-03 02:57:15,571 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 33 [2018-12-03 02:57:15,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:57:15,571 INFO L225 Difference]: With dead ends: 46 [2018-12-03 02:57:15,571 INFO L226 Difference]: Without dead ends: 42 [2018-12-03 02:57:15,572 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2018-12-03 02:57:15,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-12-03 02:57:15,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2018-12-03 02:57:15,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-12-03 02:57:15,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 41 transitions. [2018-12-03 02:57:15,576 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 41 transitions. Word has length 33 [2018-12-03 02:57:15,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:57:15,576 INFO L480 AbstractCegarLoop]: Abstraction has 42 states and 41 transitions. [2018-12-03 02:57:15,577 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-03 02:57:15,577 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 41 transitions. [2018-12-03 02:57:15,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-03 02:57:15,577 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:57:15,578 INFO L402 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 02:57:15,578 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:57:15,578 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:57:15,578 INFO L82 PathProgramCache]: Analyzing trace with hash -1539485821, now seen corresponding path program 1 times [2018-12-03 02:57:15,579 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-03 02:57:15,579 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7e1c7c28-416e-4d69-8c1d-1d4d70ad5f48/bin-2019/utaipan/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 [2018-12-03 02:57:15,582 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:57:15,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:57:15,678 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 02:57:15,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 02:57:15,996 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-03 02:57:16,005 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 02:57:16,006 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2018-12-03 02:57:16,006 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-03 02:57:16,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-03 02:57:16,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2018-12-03 02:57:16,007 INFO L87 Difference]: Start difference. First operand 42 states and 41 transitions. Second operand 15 states. [2018-12-03 02:57:17,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:57:17,021 INFO L93 Difference]: Finished difference Result 42 states and 41 transitions. [2018-12-03 02:57:17,021 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-03 02:57:17,021 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 41 [2018-12-03 02:57:17,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:57:17,022 INFO L225 Difference]: With dead ends: 42 [2018-12-03 02:57:17,022 INFO L226 Difference]: Without dead ends: 0 [2018-12-03 02:57:17,022 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=83, Invalid=517, Unknown=0, NotChecked=0, Total=600 [2018-12-03 02:57:17,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-03 02:57:17,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-03 02:57:17,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-03 02:57:17,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-03 02:57:17,023 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 41 [2018-12-03 02:57:17,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:57:17,023 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-03 02:57:17,023 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-03 02:57:17,023 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-03 02:57:17,023 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-03 02:57:17,026 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-03 02:57:17,201 INFO L448 ceAbstractionStarter]: For program point L88-1(lines 88 92) no Hoare annotation was computed. [2018-12-03 02:57:17,201 INFO L451 ceAbstractionStarter]: At program point L88-2(lines 88 92) the Hoare annotation is: true [2018-12-03 02:57:17,201 INFO L448 ceAbstractionStarter]: For program point L88-3(lines 88 92) no Hoare annotation was computed. [2018-12-03 02:57:17,201 INFO L451 ceAbstractionStarter]: At program point isinf_floatENTRY(lines 86 95) the Hoare annotation is: true [2018-12-03 02:57:17,201 INFO L448 ceAbstractionStarter]: For program point isinf_floatEXIT(lines 86 95) no Hoare annotation was computed. [2018-12-03 02:57:17,201 INFO L448 ceAbstractionStarter]: For program point isinf_floatFINAL(lines 86 95) no Hoare annotation was computed. [2018-12-03 02:57:17,201 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-03 02:57:17,201 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-03 02:57:17,201 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-03 02:57:17,201 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-03 02:57:17,201 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-03 02:57:17,201 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-03 02:57:17,202 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-03 02:57:17,202 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 97 115) no Hoare annotation was computed. [2018-12-03 02:57:17,202 INFO L448 ceAbstractionStarter]: For program point L110(line 110) no Hoare annotation was computed. [2018-12-03 02:57:17,202 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 97 115) no Hoare annotation was computed. [2018-12-03 02:57:17,202 INFO L444 ceAbstractionStarter]: At program point L106(line 106) the Hoare annotation is: (= main_~x~0 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24))) [2018-12-03 02:57:17,202 INFO L448 ceAbstractionStarter]: For program point L106-1(line 106) no Hoare annotation was computed. [2018-12-03 02:57:17,202 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 97 115) the Hoare annotation is: true [2018-12-03 02:57:17,202 INFO L444 ceAbstractionStarter]: At program point L109(line 109) the Hoare annotation is: (and (exists ((modf_float_~ix~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) modf_float_~ix~1) ((_ extract 30 23) modf_float_~ix~1) ((_ extract 22 0) modf_float_~ix~1)) (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24))) (= (let ((.cse0 (bvand (_ bv2147483648 32) modf_float_~ix~1))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) main_~res~0))) (= main_~x~0 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)))) [2018-12-03 02:57:17,202 INFO L448 ceAbstractionStarter]: For program point L109-1(line 109) no Hoare annotation was computed. [2018-12-03 02:57:17,202 INFO L448 ceAbstractionStarter]: For program point L109-2(line 109) no Hoare annotation was computed. [2018-12-03 02:57:17,202 INFO L448 ceAbstractionStarter]: For program point L109-3(line 109) no Hoare annotation was computed. [2018-12-03 02:57:17,202 INFO L444 ceAbstractionStarter]: At program point L109-4(line 109) the Hoare annotation is: (and (exists ((modf_float_~ix~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) modf_float_~ix~1) ((_ extract 30 23) modf_float_~ix~1) ((_ extract 22 0) modf_float_~ix~1)) (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24))) (= (let ((.cse0 (bvand (_ bv2147483648 32) modf_float_~ix~1))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) main_~res~0))) (= main_~x~0 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24))) |main_#t~short22|) [2018-12-03 02:57:17,203 INFO L448 ceAbstractionStarter]: For program point L109-5(line 109) no Hoare annotation was computed. [2018-12-03 02:57:17,203 INFO L448 ceAbstractionStarter]: For program point L109-7(line 109) no Hoare annotation was computed. [2018-12-03 02:57:17,203 INFO L448 ceAbstractionStarter]: For program point L109-9(lines 109 112) no Hoare annotation was computed. [2018-12-03 02:57:17,203 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 110) no Hoare annotation was computed. [2018-12-03 02:57:17,203 INFO L448 ceAbstractionStarter]: For program point L64(lines 64 68) no Hoare annotation was computed. [2018-12-03 02:57:17,203 INFO L448 ceAbstractionStarter]: For program point L64-1(lines 56 70) no Hoare annotation was computed. [2018-12-03 02:57:17,203 INFO L448 ceAbstractionStarter]: For program point L64-2(lines 64 68) no Hoare annotation was computed. [2018-12-03 02:57:17,203 INFO L448 ceAbstractionStarter]: For program point L23(lines 23 70) no Hoare annotation was computed. [2018-12-03 02:57:17,203 INFO L448 ceAbstractionStarter]: For program point modf_floatEXIT(lines 14 71) no Hoare annotation was computed. [2018-12-03 02:57:17,203 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 48 52) no Hoare annotation was computed. [2018-12-03 02:57:17,203 INFO L444 ceAbstractionStarter]: At program point L48-2(lines 48 52) the Hoare annotation is: (and (= modf_float_~x |modf_float_#in~x|) (exists ((modf_float_~i0~0 (_ BitVec 32))) (and (= (bvadd modf_float_~j0~0 (_ bv127 32)) (bvand (_ bv255 32) (bvashr modf_float_~i0~0 (_ bv23 32)))) (= (fp ((_ extract 31 31) modf_float_~i0~0) ((_ extract 30 23) modf_float_~i0~0) ((_ extract 22 0) modf_float_~i0~0)) |modf_float_#in~x|))) (= (fp ((_ extract 31 31) modf_float_~i0~0) ((_ extract 30 23) modf_float_~i0~0) ((_ extract 22 0) modf_float_~i0~0)) |modf_float_#in~x|) (exists ((modf_float_~i0~0 (_ BitVec 32))) (and (bvslt (bvadd (bvand (_ bv255 32) (bvashr modf_float_~i0~0 (_ bv23 32))) (_ bv4294967169 32)) (_ bv23 32)) (= (fp ((_ extract 31 31) modf_float_~i0~0) ((_ extract 30 23) modf_float_~i0~0) ((_ extract 22 0) modf_float_~i0~0)) |modf_float_#in~x|)))) [2018-12-03 02:57:17,203 INFO L448 ceAbstractionStarter]: For program point L48-3(lines 48 52) no Hoare annotation was computed. [2018-12-03 02:57:17,204 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 36 40) no Hoare annotation was computed. [2018-12-03 02:57:17,204 INFO L444 ceAbstractionStarter]: At program point L36-2(lines 36 40) the Hoare annotation is: (and (= modf_float_~x |modf_float_#in~x|) (exists ((modf_float_~i0~0 (_ BitVec 32))) (and (= (bvadd modf_float_~j0~0 (_ bv127 32)) (bvand (_ bv255 32) (bvashr modf_float_~i0~0 (_ bv23 32)))) (= (fp ((_ extract 31 31) modf_float_~i0~0) ((_ extract 30 23) modf_float_~i0~0) ((_ extract 22 0) modf_float_~i0~0)) |modf_float_#in~x|))) (= (fp ((_ extract 31 31) modf_float_~i0~0) ((_ extract 30 23) modf_float_~i0~0) ((_ extract 22 0) modf_float_~i0~0)) |modf_float_#in~x|) (exists ((modf_float_~i0~0 (_ BitVec 32))) (and (bvslt (bvadd (bvand (_ bv255 32) (bvashr modf_float_~i0~0 (_ bv23 32))) (_ bv4294967169 32)) (_ bv23 32)) (= (fp ((_ extract 31 31) modf_float_~i0~0) ((_ extract 30 23) modf_float_~i0~0) ((_ extract 22 0) modf_float_~i0~0)) |modf_float_#in~x|)))) [2018-12-03 02:57:17,204 INFO L448 ceAbstractionStarter]: For program point L24(lines 24 55) no Hoare annotation was computed. [2018-12-03 02:57:17,204 INFO L448 ceAbstractionStarter]: For program point L41(lines 41 45) no Hoare annotation was computed. [2018-12-03 02:57:17,204 INFO L448 ceAbstractionStarter]: For program point L41-1(lines 33 47) no Hoare annotation was computed. [2018-12-03 02:57:17,204 INFO L448 ceAbstractionStarter]: For program point L41-2(lines 41 45) no Hoare annotation was computed. [2018-12-03 02:57:17,204 INFO L448 ceAbstractionStarter]: For program point L33(lines 33 54) no Hoare annotation was computed. [2018-12-03 02:57:17,204 INFO L448 ceAbstractionStarter]: For program point L25-1(lines 25 29) no Hoare annotation was computed. [2018-12-03 02:57:17,204 INFO L444 ceAbstractionStarter]: At program point L25-2(lines 25 29) the Hoare annotation is: (and (= modf_float_~x |modf_float_#in~x|) (exists ((modf_float_~i0~0 (_ BitVec 32))) (and (= (bvadd modf_float_~j0~0 (_ bv127 32)) (bvand (_ bv255 32) (bvashr modf_float_~i0~0 (_ bv23 32)))) (= (fp ((_ extract 31 31) modf_float_~i0~0) ((_ extract 30 23) modf_float_~i0~0) ((_ extract 22 0) modf_float_~i0~0)) |modf_float_#in~x|))) (= (fp ((_ extract 31 31) modf_float_~i0~0) ((_ extract 30 23) modf_float_~i0~0) ((_ extract 22 0) modf_float_~i0~0)) |modf_float_#in~x|) (exists ((modf_float_~i0~0 (_ BitVec 32))) (and (bvslt (bvadd (bvand (_ bv255 32) (bvashr modf_float_~i0~0 (_ bv23 32))) (_ bv4294967169 32)) (_ bv23 32)) (= (fp ((_ extract 31 31) modf_float_~i0~0) ((_ extract 30 23) modf_float_~i0~0) ((_ extract 22 0) modf_float_~i0~0)) |modf_float_#in~x|)))) [2018-12-03 02:57:17,204 INFO L448 ceAbstractionStarter]: For program point L25-3(lines 25 29) no Hoare annotation was computed. [2018-12-03 02:57:17,204 INFO L448 ceAbstractionStarter]: For program point L17-1(lines 17 21) no Hoare annotation was computed. [2018-12-03 02:57:17,204 INFO L444 ceAbstractionStarter]: At program point L17-2(lines 17 21) the Hoare annotation is: (= modf_float_~x |modf_float_#in~x|) [2018-12-03 02:57:17,204 INFO L448 ceAbstractionStarter]: For program point L17-3(lines 17 21) no Hoare annotation was computed. [2018-12-03 02:57:17,205 INFO L448 ceAbstractionStarter]: For program point L59-1(lines 59 63) no Hoare annotation was computed. [2018-12-03 02:57:17,205 INFO L444 ceAbstractionStarter]: At program point L59-2(lines 59 63) the Hoare annotation is: (and (= modf_float_~x |modf_float_#in~x|) (exists ((modf_float_~i0~0 (_ BitVec 32))) (and (= (bvadd modf_float_~j0~0 (_ bv127 32)) (bvand (_ bv255 32) (bvashr modf_float_~i0~0 (_ bv23 32)))) (= (fp ((_ extract 31 31) modf_float_~i0~0) ((_ extract 30 23) modf_float_~i0~0) ((_ extract 22 0) modf_float_~i0~0)) |modf_float_#in~x|))) (= (fp ((_ extract 31 31) modf_float_~i0~0) ((_ extract 30 23) modf_float_~i0~0) ((_ extract 22 0) modf_float_~i0~0)) |modf_float_#in~x|)) [2018-12-03 02:57:17,205 INFO L451 ceAbstractionStarter]: At program point modf_floatENTRY(lines 14 71) the Hoare annotation is: true [2018-12-03 02:57:17,205 INFO L448 ceAbstractionStarter]: For program point modf_floatFINAL(lines 14 71) no Hoare annotation was computed. [2018-12-03 02:57:17,205 INFO L448 ceAbstractionStarter]: For program point __signbit_floatFINAL(lines 73 83) no Hoare annotation was computed. [2018-12-03 02:57:17,205 INFO L451 ceAbstractionStarter]: At program point __signbit_floatENTRY(lines 73 83) the Hoare annotation is: true [2018-12-03 02:57:17,205 INFO L448 ceAbstractionStarter]: For program point __signbit_floatEXIT(lines 73 83) no Hoare annotation was computed. [2018-12-03 02:57:17,205 INFO L448 ceAbstractionStarter]: For program point L76-1(lines 76 80) no Hoare annotation was computed. [2018-12-03 02:57:17,205 INFO L444 ceAbstractionStarter]: At program point L76-2(lines 76 80) the Hoare annotation is: (= |__signbit_float_#in~x| __signbit_float_~x) [2018-12-03 02:57:17,205 INFO L448 ceAbstractionStarter]: For program point L76-3(lines 76 80) no Hoare annotation was computed. [2018-12-03 02:57:17,212 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,213 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,213 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,213 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,213 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,214 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,214 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,214 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,214 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,214 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,215 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,215 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,215 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,215 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,215 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,215 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,216 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,216 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,216 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,216 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,216 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,217 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,217 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,217 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,217 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,217 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,217 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,217 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,218 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,218 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,218 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,218 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,218 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,218 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,218 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,219 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,219 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,219 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,219 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,219 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,220 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,220 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,220 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,220 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,220 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,220 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,220 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,221 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,221 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,221 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,221 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,221 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,221 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,222 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,222 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,222 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.12 02:57:17 BoogieIcfgContainer [2018-12-03 02:57:17,223 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-03 02:57:17,223 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-03 02:57:17,223 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-03 02:57:17,224 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-03 02:57:17,224 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:57:13" (3/4) ... [2018-12-03 02:57:17,226 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-03 02:57:17,230 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isinf_float [2018-12-03 02:57:17,230 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-03 02:57:17,231 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-03 02:57:17,231 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure modf_float [2018-12-03 02:57:17,231 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __signbit_float [2018-12-03 02:57:17,234 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 31 nodes and edges [2018-12-03 02:57:17,234 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2018-12-03 02:57:17,235 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-03 02:57:17,251 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) [2018-12-03 02:57:17,251 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-12-03 02:57:17,251 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((x == \old(x) && (\exists modf_float_~i0~0 : bv32 :: ~bvadd64(j0, 127bv32) == ~bvand32(255bv32, ~bvashr32(modf_float_~i0~0, 23bv32)) && ~fp~LONGDOUBLE(modf_float_~i0~0[31:31], modf_float_~i0~0[30:23], modf_float_~i0~0[22:0]) == \old(x))) && ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]) == \old(x)) && (\exists modf_float_~i0~0 : bv32 :: ~bvslt32(~bvadd64(~bvand32(255bv32, ~bvashr32(modf_float_~i0~0, 23bv32)), 4294967169bv32), 23bv32) && ~fp~LONGDOUBLE(modf_float_~i0~0[31:31], modf_float_~i0~0[30:23], modf_float_~i0~0[22:0]) == \old(x)) [2018-12-03 02:57:17,251 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (x == \old(x) && (\exists modf_float_~i0~0 : bv32 :: ~bvadd64(j0, 127bv32) == ~bvand32(255bv32, ~bvashr32(modf_float_~i0~0, 23bv32)) && ~fp~LONGDOUBLE(modf_float_~i0~0[31:31], modf_float_~i0~0[30:23], modf_float_~i0~0[22:0]) == \old(x))) && ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]) == \old(x) [2018-12-03 02:57:17,252 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((x == \old(x) && (\exists modf_float_~i0~0 : bv32 :: ~bvadd64(j0, 127bv32) == ~bvand32(255bv32, ~bvashr32(modf_float_~i0~0, 23bv32)) && ~fp~LONGDOUBLE(modf_float_~i0~0[31:31], modf_float_~i0~0[30:23], modf_float_~i0~0[22:0]) == \old(x))) && ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]) == \old(x)) && (\exists modf_float_~i0~0 : bv32 :: ~bvslt32(~bvadd64(~bvand32(255bv32, ~bvashr32(modf_float_~i0~0, 23bv32)), 4294967169bv32), 23bv32) && ~fp~LONGDOUBLE(modf_float_~i0~0[31:31], modf_float_~i0~0[30:23], modf_float_~i0~0[22:0]) == \old(x)) [2018-12-03 02:57:17,252 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((x == \old(x) && (\exists modf_float_~i0~0 : bv32 :: ~bvadd64(j0, 127bv32) == ~bvand32(255bv32, ~bvashr32(modf_float_~i0~0, 23bv32)) && ~fp~LONGDOUBLE(modf_float_~i0~0[31:31], modf_float_~i0~0[30:23], modf_float_~i0~0[22:0]) == \old(x))) && ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]) == \old(x)) && (\exists modf_float_~i0~0 : bv32 :: ~bvslt32(~bvadd64(~bvand32(255bv32, ~bvashr32(modf_float_~i0~0, 23bv32)), 4294967169bv32), 23bv32) && ~fp~LONGDOUBLE(modf_float_~i0~0[31:31], modf_float_~i0~0[30:23], modf_float_~i0~0[22:0]) == \old(x)) [2018-12-03 02:57:17,267 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_7e1c7c28-416e-4d69-8c1d-1d4d70ad5f48/bin-2019/utaipan/witness.graphml [2018-12-03 02:57:17,267 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-03 02:57:17,268 INFO L168 Benchmark]: Toolchain (without parser) took 4308.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 944.7 MB in the beginning and 820.1 MB in the end (delta: 124.6 MB). Peak memory consumption was 268.8 MB. Max. memory is 11.5 GB. [2018-12-03 02:57:17,268 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 02:57:17,269 INFO L168 Benchmark]: CACSL2BoogieTranslator took 158.90 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 928.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-03 02:57:17,269 INFO L168 Benchmark]: Boogie Procedure Inliner took 16.96 ms. Allocated memory is still 1.0 GB. Free memory is still 928.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 02:57:17,269 INFO L168 Benchmark]: Boogie Preprocessor took 56.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -203.8 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. [2018-12-03 02:57:17,269 INFO L168 Benchmark]: RCFGBuilder took 330.44 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: 31.3 MB). Peak memory consumption was 31.3 MB. Max. memory is 11.5 GB. [2018-12-03 02:57:17,270 INFO L168 Benchmark]: TraceAbstraction took 3698.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 826.8 MB in the end (delta: 274.3 MB). Peak memory consumption was 274.3 MB. Max. memory is 11.5 GB. [2018-12-03 02:57:17,270 INFO L168 Benchmark]: Witness Printer took 43.76 ms. Allocated memory is still 1.2 GB. Free memory was 826.8 MB in the beginning and 820.1 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-12-03 02:57:17,271 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 158.90 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 928.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 16.96 ms. Allocated memory is still 1.0 GB. Free memory is still 928.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 56.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -203.8 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 330.44 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: 31.3 MB). Peak memory consumption was 31.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3698.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 826.8 MB in the end (delta: 274.3 MB). Peak memory consumption was 274.3 MB. Max. memory is 11.5 GB. * Witness Printer took 43.76 ms. Allocated memory is still 1.2 GB. Free memory was 826.8 MB in the beginning and 820.1 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 110]: 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: 17]: Loop Invariant Derived loop invariant: x == \old(x) - InvariantResult [Line: 48]: Loop Invariant [2018-12-03 02:57:17,274 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,274 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,274 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,274 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,275 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,275 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,275 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,275 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,275 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,275 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,275 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,276 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,276 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,276 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,276 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,276 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] Derived loop invariant: ((x == \old(x) && (\exists modf_float_~i0~0 : bv32 :: ~bvadd64(j0, 127bv32) == ~bvand32(255bv32, ~bvashr32(modf_float_~i0~0, 23bv32)) && ~fp~LONGDOUBLE(modf_float_~i0~0[31:31], modf_float_~i0~0[30:23], modf_float_~i0~0[22:0]) == \old(x))) && ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]) == \old(x)) && (\exists modf_float_~i0~0 : bv32 :: ~bvslt32(~bvadd64(~bvand32(255bv32, ~bvashr32(modf_float_~i0~0, 23bv32)), 4294967169bv32), 23bv32) && ~fp~LONGDOUBLE(modf_float_~i0~0[31:31], modf_float_~i0~0[30:23], modf_float_~i0~0[22:0]) == \old(x)) - InvariantResult [Line: 59]: Loop Invariant [2018-12-03 02:57:17,276 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,276 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,276 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,277 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,277 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,277 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,277 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,277 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] Derived loop invariant: (x == \old(x) && (\exists modf_float_~i0~0 : bv32 :: ~bvadd64(j0, 127bv32) == ~bvand32(255bv32, ~bvashr32(modf_float_~i0~0, 23bv32)) && ~fp~LONGDOUBLE(modf_float_~i0~0[31:31], modf_float_~i0~0[30:23], modf_float_~i0~0[22:0]) == \old(x))) && ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]) == \old(x) - InvariantResult [Line: 36]: Loop Invariant [2018-12-03 02:57:17,277 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,277 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,277 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,278 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,278 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,278 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,278 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,278 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,278 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,278 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,278 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,278 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,279 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,279 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,279 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,279 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] Derived loop invariant: ((x == \old(x) && (\exists modf_float_~i0~0 : bv32 :: ~bvadd64(j0, 127bv32) == ~bvand32(255bv32, ~bvashr32(modf_float_~i0~0, 23bv32)) && ~fp~LONGDOUBLE(modf_float_~i0~0[31:31], modf_float_~i0~0[30:23], modf_float_~i0~0[22:0]) == \old(x))) && ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]) == \old(x)) && (\exists modf_float_~i0~0 : bv32 :: ~bvslt32(~bvadd64(~bvand32(255bv32, ~bvashr32(modf_float_~i0~0, 23bv32)), 4294967169bv32), 23bv32) && ~fp~LONGDOUBLE(modf_float_~i0~0[31:31], modf_float_~i0~0[30:23], modf_float_~i0~0[22:0]) == \old(x)) - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 25]: Loop Invariant [2018-12-03 02:57:17,279 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,279 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,279 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,280 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,280 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,280 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,280 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,280 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,280 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,280 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,280 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,281 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,281 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,281 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,281 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-12-03 02:57:17,281 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] Derived loop invariant: ((x == \old(x) && (\exists modf_float_~i0~0 : bv32 :: ~bvadd64(j0, 127bv32) == ~bvand32(255bv32, ~bvashr32(modf_float_~i0~0, 23bv32)) && ~fp~LONGDOUBLE(modf_float_~i0~0[31:31], modf_float_~i0~0[30:23], modf_float_~i0~0[22:0]) == \old(x))) && ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]) == \old(x)) && (\exists modf_float_~i0~0 : bv32 :: ~bvslt32(~bvadd64(~bvand32(255bv32, ~bvashr32(modf_float_~i0~0, 23bv32)), 4294967169bv32), 23bv32) && ~fp~LONGDOUBLE(modf_float_~i0~0[31:31], modf_float_~i0~0[30:23], modf_float_~i0~0[22:0]) == \old(x)) - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 59 locations, 1 error locations. SAFE Result, 3.6s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 2.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 207 SDtfs, 132 SDslu, 711 SDs, 0 SdLazy, 297 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 178 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=59occurred 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, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 17 LocationsWithAnnotation, 25 PreInvPairs, 34 NumberOfFragments, 295 HoareAnnotationTreeSize, 25 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 17 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 162 NumberOfCodeBlocks, 162 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 157 ConstructedInterpolants, 27 QuantifiedInterpolants, 34549 SizeOfPredicates, 18 NumberOfNonLiveVariables, 514 ConjunctsInSsa, 43 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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...