./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0931_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_2c441390-50ef-4a6d-aafa-2f6d15f34619/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2c441390-50ef-4a6d-aafa-2f6d15f34619/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2c441390-50ef-4a6d-aafa-2f6d15f34619/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2c441390-50ef-4a6d-aafa-2f6d15f34619/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0931_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2c441390-50ef-4a6d-aafa-2f6d15f34619/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2c441390-50ef-4a6d-aafa-2f6d15f34619/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d2f16ecfa870c96b6993f19e89d203c20f11280a ............................................................................................................................................................................................................................................................................................................................ 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_2c441390-50ef-4a6d-aafa-2f6d15f34619/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2c441390-50ef-4a6d-aafa-2f6d15f34619/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2c441390-50ef-4a6d-aafa-2f6d15f34619/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2c441390-50ef-4a6d-aafa-2f6d15f34619/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0931_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2c441390-50ef-4a6d-aafa-2f6d15f34619/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2c441390-50ef-4a6d-aafa-2f6d15f34619/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d2f16ecfa870c96b6993f19e89d203c20f11280a ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 11:46:44,013 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 11:46:44,014 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 11:46:44,021 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 11:46:44,021 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 11:46:44,022 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 11:46:44,023 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 11:46:44,025 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 11:46:44,026 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 11:46:44,027 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 11:46:44,028 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 11:46:44,028 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 11:46:44,028 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 11:46:44,029 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 11:46:44,030 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 11:46:44,030 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 11:46:44,031 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 11:46:44,032 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 11:46:44,033 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 11:46:44,034 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 11:46:44,035 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 11:46:44,036 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 11:46:44,038 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 11:46:44,038 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 11:46:44,038 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 11:46:44,039 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 11:46:44,040 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 11:46:44,040 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 11:46:44,041 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 11:46:44,042 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 11:46:44,042 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 11:46:44,042 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 11:46:44,043 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 11:46:44,043 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 11:46:44,044 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 11:46:44,045 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 11:46:44,045 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2c441390-50ef-4a6d-aafa-2f6d15f34619/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-10 11:46:44,052 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 11:46:44,053 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 11:46:44,053 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 11:46:44,054 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 11:46:44,054 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 11:46:44,054 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 11:46:44,054 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 11:46:44,055 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 11:46:44,055 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 11:46:44,055 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 11:46:44,056 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 11:46:44,056 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 11:46:44,056 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 11:46:44,056 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 11:46:44,056 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 11:46:44,056 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 11:46:44,056 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 11:46:44,057 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 11:46:44,057 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 11:46:44,057 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 11:46:44,057 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 11:46:44,057 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 11:46:44,057 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 11:46:44,058 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 11:46:44,058 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 11:46:44,058 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 11:46:44,058 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 11:46:44,058 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 11:46:44,058 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 11:46:44,058 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_2c441390-50ef-4a6d-aafa-2f6d15f34619/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d2f16ecfa870c96b6993f19e89d203c20f11280a [2018-11-10 11:46:44,086 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 11:46:44,096 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 11:46:44,099 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 11:46:44,100 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 11:46:44,100 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 11:46:44,101 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2c441390-50ef-4a6d-aafa-2f6d15f34619/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0931_true-unreach-call.c [2018-11-10 11:46:44,151 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2c441390-50ef-4a6d-aafa-2f6d15f34619/bin-2019/uautomizer/data/9e64f0cd7/8b715cb4634742dbbfe3e2b14dca073f/FLAG05b15bf70 [2018-11-10 11:46:44,512 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 11:46:44,513 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2c441390-50ef-4a6d-aafa-2f6d15f34619/sv-benchmarks/c/float-newlib/float_req_bl_0931_true-unreach-call.c [2018-11-10 11:46:44,519 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2c441390-50ef-4a6d-aafa-2f6d15f34619/bin-2019/uautomizer/data/9e64f0cd7/8b715cb4634742dbbfe3e2b14dca073f/FLAG05b15bf70 [2018-11-10 11:46:44,531 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2c441390-50ef-4a6d-aafa-2f6d15f34619/bin-2019/uautomizer/data/9e64f0cd7/8b715cb4634742dbbfe3e2b14dca073f [2018-11-10 11:46:44,534 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 11:46:44,535 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-10 11:46:44,536 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 11:46:44,536 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 11:46:44,539 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 11:46:44,539 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:46:44" (1/1) ... [2018-11-10 11:46:44,541 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@636f247c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:46:44, skipping insertion in model container [2018-11-10 11:46:44,541 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:46:44" (1/1) ... [2018-11-10 11:46:44,552 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 11:46:44,571 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 11:46:44,719 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 11:46:44,722 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 11:46:44,754 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 11:46:44,772 INFO L193 MainTranslator]: Completed translation [2018-11-10 11:46:44,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:46:44 WrapperNode [2018-11-10 11:46:44,772 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 11:46:44,772 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 11:46:44,773 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 11:46:44,773 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 11:46:44,782 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:46:44" (1/1) ... [2018-11-10 11:46:44,782 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:46:44" (1/1) ... [2018-11-10 11:46:44,791 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:46:44" (1/1) ... [2018-11-10 11:46:44,791 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:46:44" (1/1) ... [2018-11-10 11:46:44,801 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:46:44" (1/1) ... [2018-11-10 11:46:44,807 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:46:44" (1/1) ... [2018-11-10 11:46:44,809 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:46:44" (1/1) ... [2018-11-10 11:46:44,856 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 11:46:44,856 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 11:46:44,856 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 11:46:44,857 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 11:46:44,857 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:46:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2c441390-50ef-4a6d-aafa-2f6d15f34619/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 11:46:44,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 11:46:44,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 11:46:44,902 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_logf [2018-11-10 11:46:44,902 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2018-11-10 11:46:44,902 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 11:46:44,902 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-10 11:46:44,902 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-11-10 11:46:44,902 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_logf [2018-11-10 11:46:44,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 11:46:44,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-10 11:46:44,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-10 11:46:44,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-10 11:46:44,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-10 11:46:44,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-10 11:46:44,903 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2018-11-10 11:46:44,903 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 11:46:44,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 11:46:44,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 11:46:44,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-11-10 11:46:44,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-10 11:46:45,198 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 11:46:45,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:46:45 BoogieIcfgContainer [2018-11-10 11:46:45,199 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 11:46:45,200 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 11:46:45,200 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 11:46:45,203 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 11:46:45,203 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 11:46:44" (1/3) ... [2018-11-10 11:46:45,203 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c8488b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 11:46:45, skipping insertion in model container [2018-11-10 11:46:45,204 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:46:44" (2/3) ... [2018-11-10 11:46:45,204 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c8488b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 11:46:45, skipping insertion in model container [2018-11-10 11:46:45,204 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:46:45" (3/3) ... [2018-11-10 11:46:45,206 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0931_true-unreach-call.c [2018-11-10 11:46:45,213 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 11:46:45,218 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 11:46:45,228 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 11:46:45,250 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 11:46:45,250 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 11:46:45,250 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 11:46:45,250 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 11:46:45,251 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 11:46:45,251 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 11:46:45,251 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 11:46:45,251 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 11:46:45,251 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 11:46:45,264 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states. [2018-11-10 11:46:45,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-10 11:46:45,268 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:46:45,269 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 11:46:45,271 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 11:46:45,274 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:46:45,274 INFO L82 PathProgramCache]: Analyzing trace with hash 246875342, now seen corresponding path program 1 times [2018-11-10 11:46:45,276 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 11:46:45,276 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 11:46:45,319 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:46:45,319 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:46:45,319 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:46:45,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:46:45,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:46:45,407 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 11:46:45,407 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 11:46:45,411 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-10 11:46:45,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-10 11:46:45,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 11:46:45,422 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 2 states. [2018-11-10 11:46:45,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:46:45,441 INFO L93 Difference]: Finished difference Result 148 states and 187 transitions. [2018-11-10 11:46:45,441 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 11:46:45,442 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 23 [2018-11-10 11:46:45,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:46:45,449 INFO L225 Difference]: With dead ends: 148 [2018-11-10 11:46:45,449 INFO L226 Difference]: Without dead ends: 74 [2018-11-10 11:46:45,451 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 11:46:45,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2018-11-10 11:46:45,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2018-11-10 11:46:45,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2018-11-10 11:46:45,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 84 transitions. [2018-11-10 11:46:45,483 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 84 transitions. Word has length 23 [2018-11-10 11:46:45,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:46:45,483 INFO L481 AbstractCegarLoop]: Abstraction has 74 states and 84 transitions. [2018-11-10 11:46:45,484 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-10 11:46:45,484 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 84 transitions. [2018-11-10 11:46:45,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-10 11:46:45,485 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:46:45,485 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 11:46:45,486 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 11:46:45,486 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:46:45,486 INFO L82 PathProgramCache]: Analyzing trace with hash -1270612634, now seen corresponding path program 1 times [2018-11-10 11:46:45,486 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 11:46:45,486 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 11:46:45,487 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:46:45,488 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:46:45,488 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:46:45,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 11:46:45,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 11:46:45,573 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-10 11:46:45,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 11:46:45 BoogieIcfgContainer [2018-11-10 11:46:45,612 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 11:46:45,613 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 11:46:45,613 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 11:46:45,613 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 11:46:45,614 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:46:45" (3/4) ... [2018-11-10 11:46:45,617 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 11:46:45,617 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 11:46:45,618 INFO L168 Benchmark]: Toolchain (without parser) took 1083.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 961.9 MB in the beginning and 1.1 GB in the end (delta: -117.3 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. [2018-11-10 11:46:45,619 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 11:46:45,620 INFO L168 Benchmark]: CACSL2BoogieTranslator took 236.40 ms. Allocated memory is still 1.0 GB. Free memory was 961.9 MB in the beginning and 945.8 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-10 11:46:45,620 INFO L168 Benchmark]: Boogie Preprocessor took 83.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -197.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. [2018-11-10 11:46:45,621 INFO L168 Benchmark]: RCFGBuilder took 342.84 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: 27.7 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. [2018-11-10 11:46:45,621 INFO L168 Benchmark]: TraceAbstraction took 412.84 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: 30.6 MB). Peak memory consumption was 30.6 MB. Max. memory is 11.5 GB. [2018-11-10 11:46:45,622 INFO L168 Benchmark]: Witness Printer took 4.44 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 11:46:45,624 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 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 236.40 ms. Allocated memory is still 1.0 GB. Free memory was 961.9 MB in the beginning and 945.8 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 83.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -197.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 342.84 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: 27.7 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 412.84 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: 30.6 MB). Peak memory consumption was 30.6 MB. Max. memory is 11.5 GB. * Witness Printer took 4.44 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 121]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryArithmeticFLOAToperation at line 32, overapproximation of bitwiseAnd at line 106. Possible FailurePath: [L12-L16] static const float ln2_hi_log = 6.9313812256e-01, ln2_lo_log = 9.0580006145e-06, two25_log = 3.355443200e+07, Lg1_log = 6.6666668653e-01, Lg2_log = 4.0000000596e-01, Lg3_log = 2.8571429849e-01, Lg4_log = 2.2222198546e-01, Lg5_log = 1.8183572590e-01, Lg6_log = 1.5313838422e-01, Lg7_log = 1.4798198640e-01; [L18] static const float zero_log = 0.0; VAL [\old(Lg1_log)=10737418257, \old(Lg2_log)=10737418259, \old(Lg3_log)=10737418241, \old(Lg4_log)=10737418244, \old(Lg5_log)=10737418246, \old(Lg6_log)=10737418256, \old(Lg7_log)=10737418255, \old(ln2_hi_log)=10737418243, \old(ln2_lo_log)=10737418248, \old(two25_log)=10737418254, \old(zero_log)=10737418252, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] [L116] float x = 1.0f / 0.0f; VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] [L117] CALL, EXPR __ieee754_logf(x) VAL [\old(x)=10737418247, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] [L21] float hfsq, f, s, z, R, w, t1, t2, dk; [L22] __int32_t k, ix, i, j; VAL [\old(x)=10737418247, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=10737418247, zero_log=0] [L25] FCALL ieee_float_shape_type gf_u; VAL [\old(x)=10737418247, gf_u={10737418253:0}, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=10737418247, zero_log=0] [L26] FCALL gf_u.value = (x) VAL [\old(x)=10737418247, gf_u={10737418253:0}, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=10737418247, zero_log=0] [L27] EXPR, FCALL gf_u.word VAL [\old(x)=10737418247, gf_u={10737418253:0}, gf_u.word=6442450944, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=10737418247, zero_log=0] [L27] (ix) = gf_u.word [L28] COND FALSE !(0) VAL [\old(x)=10737418247, ix=-2147483648, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=10737418247, zero_log=0] [L30] k = 0 VAL [\old(x)=10737418247, ix=-2147483648, k=0, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=10737418247, zero_log=0] [L31] COND TRUE ((ix & 0x7fffffff) == 0) [L32] RET return -two25_log / zero_log; VAL [\old(x)=10737418247, ix=-2147483648, k=0, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=10737418247, zero_log=0] [L117] EXPR __ieee754_logf(x) VAL [__ieee754_logf(x)=10737418245, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=10737418247, zero_log=0] [L117] float res = __ieee754_logf(x); [L120] CALL, EXPR isinf_float(res) VAL [\old(x)=10737418245, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] [L100] __int32_t ix; VAL [\old(x)=10737418245, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=10737418245, zero_log=0] [L102] FCALL ieee_float_shape_type gf_u; VAL [\old(x)=10737418245, gf_u={10737418250:0}, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=10737418245, zero_log=0] [L103] FCALL gf_u.value = (x) VAL [\old(x)=10737418245, gf_u={10737418250:0}, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=10737418245, zero_log=0] [L104] EXPR, FCALL gf_u.word VAL [\old(x)=10737418245, gf_u={10737418250:0}, gf_u.word=10737418240, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=10737418245, zero_log=0] [L104] (ix) = gf_u.word VAL [(ix) = gf_u.word=10737418251, \old(x)=10737418245, gf_u={10737418250:0}, gf_u.word=10737418240, ix=-2147483648, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=10737418245, zero_log=0] [L105] COND FALSE !(0) VAL [\old(x)=10737418245, ix=-2147483648, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=10737418245, zero_log=0] [L106] ix &= 0x7fffffff [L107] RET return ((ix) == 0x7f800000L); VAL [\old(x)=10737418245, \result=0, ix=0, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=10737418245, zero_log=0] [L120] EXPR isinf_float(res) VAL [isinf_float(res)=0, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, res=10737418245, two25_log=33554432, x=10737418247, zero_log=0] [L120] COND TRUE !isinf_float(res) [L121] __VERIFIER_error() VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, res=10737418245, two25_log=33554432, x=10737418247, zero_log=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 78 locations, 1 error locations. UNSAFE Result, 0.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 88 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=78occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 64 NumberOfCodeBlocks, 64 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 484 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-1dbac8b [2018-11-10 11:46:47,165 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 11:46:47,167 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 11:46:47,176 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 11:46:47,176 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 11:46:47,177 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 11:46:47,178 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 11:46:47,179 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 11:46:47,180 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 11:46:47,181 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 11:46:47,182 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 11:46:47,182 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 11:46:47,183 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 11:46:47,184 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 11:46:47,185 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 11:46:47,185 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 11:46:47,186 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 11:46:47,188 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 11:46:47,190 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 11:46:47,191 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 11:46:47,192 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 11:46:47,193 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 11:46:47,194 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 11:46:47,194 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 11:46:47,194 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 11:46:47,195 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 11:46:47,196 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 11:46:47,196 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 11:46:47,197 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 11:46:47,198 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 11:46:47,198 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 11:46:47,198 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 11:46:47,198 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 11:46:47,199 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 11:46:47,199 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 11:46:47,200 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 11:46:47,200 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2c441390-50ef-4a6d-aafa-2f6d15f34619/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-10 11:46:47,212 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 11:46:47,212 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 11:46:47,213 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 11:46:47,213 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 11:46:47,213 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 11:46:47,214 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 11:46:47,214 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 11:46:47,214 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 11:46:47,214 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 11:46:47,214 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 11:46:47,215 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 11:46:47,215 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 11:46:47,215 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 11:46:47,216 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 11:46:47,216 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 11:46:47,216 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 11:46:47,216 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 11:46:47,217 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 11:46:47,217 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 11:46:47,217 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 11:46:47,217 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 11:46:47,217 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 11:46:47,217 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 11:46:47,218 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 11:46:47,218 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 11:46:47,218 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 11:46:47,218 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 11:46:47,218 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-10 11:46:47,219 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 11:46:47,219 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 11:46:47,219 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 11:46:47,219 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_2c441390-50ef-4a6d-aafa-2f6d15f34619/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d2f16ecfa870c96b6993f19e89d203c20f11280a [2018-11-10 11:46:47,256 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 11:46:47,265 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 11:46:47,268 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 11:46:47,269 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 11:46:47,270 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 11:46:47,270 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2c441390-50ef-4a6d-aafa-2f6d15f34619/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0931_true-unreach-call.c [2018-11-10 11:46:47,322 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2c441390-50ef-4a6d-aafa-2f6d15f34619/bin-2019/uautomizer/data/612678dea/c73475e3ff9a4e3ebe1930412cfab816/FLAG898da0e58 [2018-11-10 11:46:47,689 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 11:46:47,690 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2c441390-50ef-4a6d-aafa-2f6d15f34619/sv-benchmarks/c/float-newlib/float_req_bl_0931_true-unreach-call.c [2018-11-10 11:46:47,696 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2c441390-50ef-4a6d-aafa-2f6d15f34619/bin-2019/uautomizer/data/612678dea/c73475e3ff9a4e3ebe1930412cfab816/FLAG898da0e58 [2018-11-10 11:46:47,705 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2c441390-50ef-4a6d-aafa-2f6d15f34619/bin-2019/uautomizer/data/612678dea/c73475e3ff9a4e3ebe1930412cfab816 [2018-11-10 11:46:47,707 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 11:46:47,708 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-10 11:46:47,709 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 11:46:47,709 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 11:46:47,712 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 11:46:47,713 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:46:47" (1/1) ... [2018-11-10 11:46:47,715 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d68c770 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:46:47, skipping insertion in model container [2018-11-10 11:46:47,715 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:46:47" (1/1) ... [2018-11-10 11:46:47,722 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 11:46:47,740 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 11:46:47,912 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 11:46:47,918 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 11:46:47,953 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 11:46:47,976 INFO L193 MainTranslator]: Completed translation [2018-11-10 11:46:47,977 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:46:47 WrapperNode [2018-11-10 11:46:47,977 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 11:46:47,978 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 11:46:47,978 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 11:46:47,978 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 11:46:47,991 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:46:47" (1/1) ... [2018-11-10 11:46:47,992 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:46:47" (1/1) ... [2018-11-10 11:46:48,004 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:46:47" (1/1) ... [2018-11-10 11:46:48,004 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:46:47" (1/1) ... [2018-11-10 11:46:48,016 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:46:47" (1/1) ... [2018-11-10 11:46:48,022 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:46:47" (1/1) ... [2018-11-10 11:46:48,025 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:46:47" (1/1) ... [2018-11-10 11:46:48,028 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 11:46:48,029 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 11:46:48,029 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 11:46:48,029 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 11:46:48,030 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:46:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2c441390-50ef-4a6d-aafa-2f6d15f34619/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 11:46:48,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 11:46:48,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 11:46:48,131 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_logf [2018-11-10 11:46:48,131 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2018-11-10 11:46:48,131 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 11:46:48,132 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-10 11:46:48,132 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-11-10 11:46:48,132 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_logf [2018-11-10 11:46:48,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 11:46:48,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-11-10 11:46:48,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-10 11:46:48,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-10 11:46:48,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-10 11:46:48,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-11-10 11:46:48,133 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2018-11-10 11:46:48,133 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 11:46:48,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 11:46:48,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 11:46:48,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2018-11-10 11:46:48,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-11-10 11:46:48,276 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 11:46:48,283 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 11:46:59,174 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 11:46:59,181 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 11:47:00,648 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 11:47:00,663 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 11:47:00,763 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 11:47:00,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:47:00 BoogieIcfgContainer [2018-11-10 11:47:00,764 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 11:47:00,765 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 11:47:00,765 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 11:47:00,767 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 11:47:00,767 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 11:46:47" (1/3) ... [2018-11-10 11:47:00,768 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68085e15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 11:47:00, skipping insertion in model container [2018-11-10 11:47:00,768 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:46:47" (2/3) ... [2018-11-10 11:47:00,769 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68085e15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 11:47:00, skipping insertion in model container [2018-11-10 11:47:00,769 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:47:00" (3/3) ... [2018-11-10 11:47:00,770 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0931_true-unreach-call.c [2018-11-10 11:47:00,777 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 11:47:00,783 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 11:47:00,794 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 11:47:00,817 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 11:47:00,818 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 11:47:00,818 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 11:47:00,818 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 11:47:00,818 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 11:47:00,819 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 11:47:00,819 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 11:47:00,819 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 11:47:00,819 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 11:47:00,831 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states. [2018-11-10 11:47:00,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-10 11:47:00,836 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:47:00,837 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 11:47:00,839 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 11:47:00,844 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:47:00,844 INFO L82 PathProgramCache]: Analyzing trace with hash 459067002, now seen corresponding path program 1 times [2018-11-10 11:47:00,848 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 11:47:00,848 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2c441390-50ef-4a6d-aafa-2f6d15f34619/bin-2019/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-11-10 11:47:00,853 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:47:01,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:47:01,090 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 11:47:01,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:47:01,105 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 11:47:01,124 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 11:47:01,124 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 11:47:01,127 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-10 11:47:01,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-10 11:47:01,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 11:47:01,143 INFO L87 Difference]: Start difference. First operand 77 states. Second operand 2 states. [2018-11-10 11:47:01,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:47:01,165 INFO L93 Difference]: Finished difference Result 146 states and 185 transitions. [2018-11-10 11:47:01,165 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 11:47:01,166 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 22 [2018-11-10 11:47:01,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:47:01,174 INFO L225 Difference]: With dead ends: 146 [2018-11-10 11:47:01,174 INFO L226 Difference]: Without dead ends: 73 [2018-11-10 11:47:01,177 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 11:47:01,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2018-11-10 11:47:01,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2018-11-10 11:47:01,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2018-11-10 11:47:01,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 83 transitions. [2018-11-10 11:47:01,214 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 83 transitions. Word has length 22 [2018-11-10 11:47:01,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:47:01,214 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 83 transitions. [2018-11-10 11:47:01,214 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-10 11:47:01,214 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 83 transitions. [2018-11-10 11:47:01,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-10 11:47:01,215 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:47:01,216 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 11:47:01,216 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 11:47:01,216 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:47:01,216 INFO L82 PathProgramCache]: Analyzing trace with hash -1201574240, now seen corresponding path program 1 times [2018-11-10 11:47:01,217 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 11:47:01,217 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2c441390-50ef-4a6d-aafa-2f6d15f34619/bin-2019/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-11-10 11:47:01,220 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:47:01,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:47:01,461 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 11:47:01,519 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-10 11:47:01,522 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-10 11:47:01,523 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 11:47:01,527 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 11:47:01,536 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 11:47:01,536 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-11-10 11:47:01,561 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-11-10 11:47:01,568 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2018-11-10 11:47:01,568 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 11:47:01,572 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 11:47:01,575 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 11:47:01,575 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-11-10 11:47:01,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:47:01,667 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 11:47:01,687 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 11:47:01,687 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-10 11:47:01,689 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-10 11:47:01,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-10 11:47:01,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-10 11:47:01,690 INFO L87 Difference]: Start difference. First operand 73 states and 83 transitions. Second operand 8 states. [2018-11-10 11:47:06,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:47:06,052 INFO L93 Difference]: Finished difference Result 102 states and 111 transitions. [2018-11-10 11:47:06,052 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-10 11:47:06,053 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 40 [2018-11-10 11:47:06,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:47:06,055 INFO L225 Difference]: With dead ends: 102 [2018-11-10 11:47:06,055 INFO L226 Difference]: Without dead ends: 81 [2018-11-10 11:47:06,056 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2018-11-10 11:47:06,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2018-11-10 11:47:06,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 73. [2018-11-10 11:47:06,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2018-11-10 11:47:06,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 82 transitions. [2018-11-10 11:47:06,063 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 82 transitions. Word has length 40 [2018-11-10 11:47:06,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:47:06,064 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 82 transitions. [2018-11-10 11:47:06,064 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-10 11:47:06,064 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 82 transitions. [2018-11-10 11:47:06,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-10 11:47:06,065 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:47:06,065 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 11:47:06,065 INFO L424 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 11:47:06,065 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:47:06,065 INFO L82 PathProgramCache]: Analyzing trace with hash 1906222067, now seen corresponding path program 1 times [2018-11-10 11:47:06,066 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 11:47:06,066 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2c441390-50ef-4a6d-aafa-2f6d15f34619/bin-2019/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-11-10 11:47:06,069 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:47:06,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:47:06,321 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 11:47:06,350 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-10 11:47:06,353 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-10 11:47:06,353 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 11:47:06,356 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 11:47:06,365 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 11:47:06,365 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-11-10 11:47:06,382 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-11-10 11:47:06,385 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2018-11-10 11:47:06,386 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 11:47:06,389 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 11:47:06,391 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 11:47:06,391 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-11-10 11:47:06,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:47:06,451 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 11:47:06,464 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 11:47:06,465 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-10 11:47:06,465 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-10 11:47:06,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-10 11:47:06,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-10 11:47:06,466 INFO L87 Difference]: Start difference. First operand 73 states and 82 transitions. Second operand 8 states. [2018-11-10 11:47:09,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:47:09,995 INFO L93 Difference]: Finished difference Result 102 states and 110 transitions. [2018-11-10 11:47:09,996 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-10 11:47:09,996 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 41 [2018-11-10 11:47:09,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:47:09,997 INFO L225 Difference]: With dead ends: 102 [2018-11-10 11:47:09,997 INFO L226 Difference]: Without dead ends: 81 [2018-11-10 11:47:09,998 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2018-11-10 11:47:09,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2018-11-10 11:47:10,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 73. [2018-11-10 11:47:10,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2018-11-10 11:47:10,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 81 transitions. [2018-11-10 11:47:10,004 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 81 transitions. Word has length 41 [2018-11-10 11:47:10,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:47:10,004 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 81 transitions. [2018-11-10 11:47:10,005 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-10 11:47:10,005 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 81 transitions. [2018-11-10 11:47:10,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-10 11:47:10,005 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:47:10,006 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 11:47:10,006 INFO L424 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 11:47:10,006 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:47:10,006 INFO L82 PathProgramCache]: Analyzing trace with hash 309063428, now seen corresponding path program 1 times [2018-11-10 11:47:10,006 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 11:47:10,006 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2c441390-50ef-4a6d-aafa-2f6d15f34619/bin-2019/uautomizer/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-11-10 11:47:10,012 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:47:10,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:47:10,105 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 11:47:10,589 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-10 11:47:10,592 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-10 11:47:10,592 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 11:47:10,595 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 11:47:10,603 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 11:47:10,604 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-11-10 11:47:10,666 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-11-10 11:47:10,670 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2018-11-10 11:47:10,670 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 11:47:10,672 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 11:47:10,675 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 11:47:10,675 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-11-10 11:47:11,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:47:11,200 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 11:47:11,209 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 11:47:11,209 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-11-10 11:47:11,210 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-10 11:47:11,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-10 11:47:11,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2018-11-10 11:47:11,210 INFO L87 Difference]: Start difference. First operand 73 states and 81 transitions. Second operand 13 states. [2018-11-10 11:47:11,877 WARN L179 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-11-10 11:47:24,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:47:24,407 INFO L93 Difference]: Finished difference Result 86 states and 94 transitions. [2018-11-10 11:47:24,407 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-10 11:47:24,408 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 42 [2018-11-10 11:47:24,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:47:24,408 INFO L225 Difference]: With dead ends: 86 [2018-11-10 11:47:24,409 INFO L226 Difference]: Without dead ends: 79 [2018-11-10 11:47:24,409 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=75, Invalid=431, Unknown=0, NotChecked=0, Total=506 [2018-11-10 11:47:24,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2018-11-10 11:47:24,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 73. [2018-11-10 11:47:24,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2018-11-10 11:47:24,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 80 transitions. [2018-11-10 11:47:24,416 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 80 transitions. Word has length 42 [2018-11-10 11:47:24,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:47:24,416 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 80 transitions. [2018-11-10 11:47:24,416 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-10 11:47:24,416 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 80 transitions. [2018-11-10 11:47:24,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-10 11:47:24,417 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:47:24,417 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 11:47:24,417 INFO L424 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 11:47:24,418 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:47:24,418 INFO L82 PathProgramCache]: Analyzing trace with hash 1370316386, now seen corresponding path program 1 times [2018-11-10 11:47:24,418 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 11:47:24,418 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2c441390-50ef-4a6d-aafa-2f6d15f34619/bin-2019/uautomizer/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-11-10 11:47:24,421 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:47:25,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:47:25,475 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 11:47:25,496 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-10 11:47:25,499 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-10 11:47:25,500 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 11:47:25,503 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 11:47:25,511 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 11:47:25,511 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-11-10 11:47:25,528 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-11-10 11:47:25,531 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2018-11-10 11:47:25,531 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 11:47:25,534 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 11:47:25,537 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 11:47:25,537 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-11-10 11:47:25,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:47:25,625 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 11:47:25,651 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 11:47:25,651 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-10 11:47:25,651 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-10 11:47:25,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-10 11:47:25,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-10 11:47:25,652 INFO L87 Difference]: Start difference. First operand 73 states and 80 transitions. Second operand 8 states. [2018-11-10 11:47:28,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:47:28,911 INFO L93 Difference]: Finished difference Result 79 states and 86 transitions. [2018-11-10 11:47:28,912 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-10 11:47:28,912 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2018-11-10 11:47:28,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:47:28,913 INFO L225 Difference]: With dead ends: 79 [2018-11-10 11:47:28,913 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 11:47:28,913 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2018-11-10 11:47:28,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 11:47:28,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 11:47:28,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 11:47:28,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 11:47:28,914 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2018-11-10 11:47:28,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:47:28,914 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 11:47:28,914 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-10 11:47:28,914 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 11:47:28,914 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 11:47:28,918 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-10 11:47:29,011 INFO L425 ceAbstractionStarter]: For program point L101-4(lines 101 105) no Hoare annotation was computed. [2018-11-10 11:47:29,011 INFO L428 ceAbstractionStarter]: At program point isinf_floatENTRY(lines 99 108) the Hoare annotation is: true [2018-11-10 11:47:29,012 INFO L425 ceAbstractionStarter]: For program point isinf_floatEXIT(lines 99 108) no Hoare annotation was computed. [2018-11-10 11:47:29,012 INFO L425 ceAbstractionStarter]: For program point L104(line 104) no Hoare annotation was computed. [2018-11-10 11:47:29,012 INFO L425 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-10 11:47:29,012 INFO L425 ceAbstractionStarter]: For program point L104-1(line 104) no Hoare annotation was computed. [2018-11-10 11:47:29,012 INFO L425 ceAbstractionStarter]: For program point isinf_floatFINAL(lines 99 108) no Hoare annotation was computed. [2018-11-10 11:47:29,012 INFO L425 ceAbstractionStarter]: For program point L102(line 102) no Hoare annotation was computed. [2018-11-10 11:47:29,012 INFO L425 ceAbstractionStarter]: For program point L104-2(line 104) no Hoare annotation was computed. [2018-11-10 11:47:29,012 INFO L425 ceAbstractionStarter]: For program point L102-1(line 102) no Hoare annotation was computed. [2018-11-10 11:47:29,012 INFO L425 ceAbstractionStarter]: For program point L102-2(line 102) no Hoare annotation was computed. [2018-11-10 11:47:29,013 INFO L425 ceAbstractionStarter]: For program point L101-1(lines 101 105) no Hoare annotation was computed. [2018-11-10 11:47:29,013 INFO L425 ceAbstractionStarter]: For program point L102-3(line 102) no Hoare annotation was computed. [2018-11-10 11:47:29,013 INFO L421 ceAbstractionStarter]: At program point L101-3(lines 101 105) the Hoare annotation is: (= |isinf_float_#in~x| isinf_float_~x) [2018-11-10 11:47:29,013 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-10 11:47:29,013 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-10 11:47:29,013 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 11:47:29,013 INFO L425 ceAbstractionStarter]: For program point L27(line 27) no Hoare annotation was computed. [2018-11-10 11:47:29,013 INFO L425 ceAbstractionStarter]: For program point L27-1(line 27) no Hoare annotation was computed. [2018-11-10 11:47:29,013 INFO L425 ceAbstractionStarter]: For program point L27-2(line 27) no Hoare annotation was computed. [2018-11-10 11:47:29,014 INFO L425 ceAbstractionStarter]: For program point L85(lines 85 89) no Hoare annotation was computed. [2018-11-10 11:47:29,014 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-10 11:47:29,014 INFO L425 ceAbstractionStarter]: For program point L52-1(line 52) no Hoare annotation was computed. [2018-11-10 11:47:29,024 INFO L425 ceAbstractionStarter]: For program point L52-2(line 52) no Hoare annotation was computed. [2018-11-10 11:47:29,025 INFO L428 ceAbstractionStarter]: At program point __ieee754_logfENTRY(lines 20 96) the Hoare annotation is: true [2018-11-10 11:47:29,025 INFO L425 ceAbstractionStarter]: For program point __ieee754_logfFINAL(lines 20 96) no Hoare annotation was computed. [2018-11-10 11:47:29,025 INFO L425 ceAbstractionStarter]: For program point L37(lines 37 45) no Hoare annotation was computed. [2018-11-10 11:47:29,025 INFO L425 ceAbstractionStarter]: For program point L37-1(lines 37 45) no Hoare annotation was computed. [2018-11-10 11:47:29,025 INFO L425 ceAbstractionStarter]: For program point L31(lines 31 32) no Hoare annotation was computed. [2018-11-10 11:47:29,025 INFO L425 ceAbstractionStarter]: For program point L56(lines 56 72) no Hoare annotation was computed. [2018-11-10 11:47:29,025 INFO L425 ceAbstractionStarter]: For program point L40-1(lines 40 44) no Hoare annotation was computed. [2018-11-10 11:47:29,025 INFO L421 ceAbstractionStarter]: At program point L40-3(lines 40 44) the Hoare annotation is: (and (exists ((__ieee754_logf_~ix~0 (_ BitVec 32))) (and (bvslt __ieee754_logf_~ix~0 (_ bv2139095040 32)) (= |__ieee754_logf_#in~x| (fp ((_ extract 31 31) __ieee754_logf_~ix~0) ((_ extract 30 23) __ieee754_logf_~ix~0) ((_ extract 22 0) __ieee754_logf_~ix~0))))) (= |__ieee754_logf_#in~x| (fp ((_ extract 31 31) __ieee754_logf_~ix~0) ((_ extract 30 23) __ieee754_logf_~ix~0) ((_ extract 22 0) __ieee754_logf_~ix~0)))) [2018-11-10 11:47:29,026 INFO L425 ceAbstractionStarter]: For program point L57(lines 57 64) no Hoare annotation was computed. [2018-11-10 11:47:29,026 INFO L425 ceAbstractionStarter]: For program point L24-1(lines 24 28) no Hoare annotation was computed. [2018-11-10 11:47:29,026 INFO L421 ceAbstractionStarter]: At program point L24-3(lines 24 28) the Hoare annotation is: (= __ieee754_logf_~x |__ieee754_logf_#in~x|) [2018-11-10 11:47:29,026 INFO L425 ceAbstractionStarter]: For program point L24-4(lines 24 28) no Hoare annotation was computed. [2018-11-10 11:47:29,026 INFO L425 ceAbstractionStarter]: For program point L49-1(lines 49 53) no Hoare annotation was computed. [2018-11-10 11:47:29,026 INFO L421 ceAbstractionStarter]: At program point L49-3(lines 49 53) the Hoare annotation is: (exists ((__ieee754_logf_~ix~0 (_ BitVec 32))) (and (bvslt __ieee754_logf_~ix~0 (_ bv2139095040 32)) (= |__ieee754_logf_#in~x| (fp ((_ extract 31 31) __ieee754_logf_~ix~0) ((_ extract 30 23) __ieee754_logf_~ix~0) ((_ extract 22 0) __ieee754_logf_~ix~0))))) [2018-11-10 11:47:29,026 INFO L425 ceAbstractionStarter]: For program point L49-4(lines 49 53) no Hoare annotation was computed. [2018-11-10 11:47:29,026 INFO L425 ceAbstractionStarter]: For program point L41(line 41) no Hoare annotation was computed. [2018-11-10 11:47:29,026 INFO L425 ceAbstractionStarter]: For program point L41-1(line 41) no Hoare annotation was computed. [2018-11-10 11:47:29,026 INFO L425 ceAbstractionStarter]: For program point L41-2(line 41) no Hoare annotation was computed. [2018-11-10 11:47:29,027 INFO L425 ceAbstractionStarter]: For program point L41-3(line 41) no Hoare annotation was computed. [2018-11-10 11:47:29,027 INFO L425 ceAbstractionStarter]: For program point L66(lines 66 71) no Hoare annotation was computed. [2018-11-10 11:47:29,027 INFO L425 ceAbstractionStarter]: For program point L33(lines 33 34) no Hoare annotation was computed. [2018-11-10 11:47:29,027 INFO L425 ceAbstractionStarter]: For program point __ieee754_logfEXIT(lines 20 96) no Hoare annotation was computed. [2018-11-10 11:47:29,027 INFO L425 ceAbstractionStarter]: For program point L91(lines 91 94) no Hoare annotation was computed. [2018-11-10 11:47:29,027 INFO L425 ceAbstractionStarter]: For program point L58(lines 58 63) no Hoare annotation was computed. [2018-11-10 11:47:29,027 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-10 11:47:29,027 INFO L425 ceAbstractionStarter]: For program point L25-1(line 25) no Hoare annotation was computed. [2018-11-10 11:47:29,027 INFO L425 ceAbstractionStarter]: For program point L25-2(line 25) no Hoare annotation was computed. [2018-11-10 11:47:29,027 INFO L425 ceAbstractionStarter]: For program point L25-3(line 25) no Hoare annotation was computed. [2018-11-10 11:47:29,028 INFO L425 ceAbstractionStarter]: For program point L83(lines 83 95) no Hoare annotation was computed. [2018-11-10 11:47:29,028 INFO L425 ceAbstractionStarter]: For program point L50(line 50) no Hoare annotation was computed. [2018-11-10 11:47:29,028 INFO L425 ceAbstractionStarter]: For program point L50-1(line 50) no Hoare annotation was computed. [2018-11-10 11:47:29,028 INFO L425 ceAbstractionStarter]: For program point L50-2(line 50) no Hoare annotation was computed. [2018-11-10 11:47:29,028 INFO L425 ceAbstractionStarter]: For program point L50-3(line 50) no Hoare annotation was computed. [2018-11-10 11:47:29,028 INFO L425 ceAbstractionStarter]: For program point L42(line 42) no Hoare annotation was computed. [2018-11-10 11:47:29,028 INFO L425 ceAbstractionStarter]: For program point L26(line 26) no Hoare annotation was computed. [2018-11-10 11:47:29,028 INFO L425 ceAbstractionStarter]: For program point L51(line 51) no Hoare annotation was computed. [2018-11-10 11:47:29,028 INFO L425 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-10 11:47:29,028 INFO L425 ceAbstractionStarter]: For program point L43-1(line 43) no Hoare annotation was computed. [2018-11-10 11:47:29,028 INFO L425 ceAbstractionStarter]: For program point L43-2(line 43) no Hoare annotation was computed. [2018-11-10 11:47:29,028 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 36) no Hoare annotation was computed. [2018-11-10 11:47:29,029 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 11:47:29,029 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-10 11:47:29,029 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 11:47:29,029 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 11:47:29,029 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 110 125) the Hoare annotation is: true [2018-11-10 11:47:29,029 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 110 125) no Hoare annotation was computed. [2018-11-10 11:47:29,029 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 121) no Hoare annotation was computed. [2018-11-10 11:47:29,029 INFO L425 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-10 11:47:29,029 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 110 125) no Hoare annotation was computed. [2018-11-10 11:47:29,030 INFO L421 ceAbstractionStarter]: At program point L120(line 120) the Hoare annotation is: (let ((.cse0 (fp.div RNE ((_ to_fp 8 24) RNE 1.0) (_ +zero 8 24)))) (and (= .cse0 main_~x~0) (= (fp.add RNE .cse0 .cse0) main_~res~0))) [2018-11-10 11:47:29,030 INFO L425 ceAbstractionStarter]: For program point L120-1(lines 120 123) no Hoare annotation was computed. [2018-11-10 11:47:29,030 INFO L421 ceAbstractionStarter]: At program point L117(line 117) the Hoare annotation is: (= (fp.div RNE ((_ to_fp 8 24) RNE 1.0) (_ +zero 8 24)) main_~x~0) [2018-11-10 11:47:29,030 INFO L425 ceAbstractionStarter]: For program point L117-1(line 117) no Hoare annotation was computed. [2018-11-10 11:47:29,035 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~0,QUANTIFIED] [2018-11-10 11:47:29,036 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~0,QUANTIFIED] [2018-11-10 11:47:29,036 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~0,QUANTIFIED] [2018-11-10 11:47:29,036 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~0,QUANTIFIED] [2018-11-10 11:47:29,043 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~0,QUANTIFIED] [2018-11-10 11:47:29,044 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~0,QUANTIFIED] [2018-11-10 11:47:29,044 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~0,QUANTIFIED] [2018-11-10 11:47:29,044 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~0,QUANTIFIED] [2018-11-10 11:47:29,046 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~0,QUANTIFIED] [2018-11-10 11:47:29,046 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~0,QUANTIFIED] [2018-11-10 11:47:29,046 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~0,QUANTIFIED] [2018-11-10 11:47:29,046 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~0,QUANTIFIED] [2018-11-10 11:47:29,048 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~0,QUANTIFIED] [2018-11-10 11:47:29,048 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~0,QUANTIFIED] [2018-11-10 11:47:29,048 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~0,QUANTIFIED] [2018-11-10 11:47:29,048 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~0,QUANTIFIED] [2018-11-10 11:47:29,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 11:47:29 BoogieIcfgContainer [2018-11-10 11:47:29,050 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 11:47:29,051 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 11:47:29,051 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 11:47:29,051 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 11:47:29,051 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:47:00" (3/4) ... [2018-11-10 11:47:29,055 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 11:47:29,062 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 11:47:29,062 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isinf_float [2018-11-10 11:47:29,062 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_logf [2018-11-10 11:47:29,062 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 11:47:29,066 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 33 nodes and edges [2018-11-10 11:47:29,066 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2018-11-10 11:47:29,066 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-10 11:47:29,067 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-10 11:47:29,086 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) [2018-11-10 11:47:29,086 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-11-10 11:47:29,087 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists __ieee754_logf_~ix~0 : bv32 :: ~bvslt32(__ieee754_logf_~ix~0, 2139095040bv32) && \old(x) == ~fp~LONGDOUBLE(__ieee754_logf_~ix~0[31:31], __ieee754_logf_~ix~0[30:23], __ieee754_logf_~ix~0[22:0])) && \old(x) == ~fp~LONGDOUBLE(ix[31:31], ix[30:23], ix[22:0]) [2018-11-10 11:47:29,087 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists __ieee754_logf_~ix~0 : bv32 :: ~bvslt32(__ieee754_logf_~ix~0, 2139095040bv32) && \old(x) == ~fp~LONGDOUBLE(__ieee754_logf_~ix~0[31:31], __ieee754_logf_~ix~0[30:23], __ieee754_logf_~ix~0[22:0])) [2018-11-10 11:47:29,110 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_2c441390-50ef-4a6d-aafa-2f6d15f34619/bin-2019/uautomizer/witness.graphml [2018-11-10 11:47:29,110 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 11:47:29,111 INFO L168 Benchmark]: Toolchain (without parser) took 41403.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 203.9 MB). Free memory was 948.7 MB in the beginning and 1.2 GB in the end (delta: -234.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 11:47:29,111 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 11:47:29,112 INFO L168 Benchmark]: CACSL2BoogieTranslator took 268.41 ms. Allocated memory is still 1.0 GB. Free memory was 948.7 MB in the beginning and 932.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-10 11:47:29,112 INFO L168 Benchmark]: Boogie Preprocessor took 50.76 ms. Allocated memory is still 1.0 GB. Free memory was 932.6 MB in the beginning and 927.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 11:47:29,112 INFO L168 Benchmark]: RCFGBuilder took 12735.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 927.2 MB in the beginning and 1.1 GB in the end (delta: -160.5 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. [2018-11-10 11:47:29,112 INFO L168 Benchmark]: TraceAbstraction took 28285.61 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 69.2 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -107.4 MB). Peak memory consumption was 302.2 MB. Max. memory is 11.5 GB. [2018-11-10 11:47:29,113 INFO L168 Benchmark]: Witness Printer took 59.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 11.5 GB. [2018-11-10 11:47:29,115 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 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 268.41 ms. Allocated memory is still 1.0 GB. Free memory was 948.7 MB in the beginning and 932.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 50.76 ms. Allocated memory is still 1.0 GB. Free memory was 932.6 MB in the beginning and 927.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 12735.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 927.2 MB in the beginning and 1.1 GB in the end (delta: -160.5 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 28285.61 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 69.2 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -107.4 MB). Peak memory consumption was 302.2 MB. Max. memory is 11.5 GB. * Witness Printer took 59.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 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[__ieee754_logf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~0,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 121]: 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: 49]: Loop Invariant [2018-11-10 11:47:29,121 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~0,QUANTIFIED] [2018-11-10 11:47:29,122 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~0,QUANTIFIED] [2018-11-10 11:47:29,122 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~0,QUANTIFIED] [2018-11-10 11:47:29,122 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~0,QUANTIFIED] [2018-11-10 11:47:29,122 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~0,QUANTIFIED] [2018-11-10 11:47:29,122 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~0,QUANTIFIED] [2018-11-10 11:47:29,122 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~0,QUANTIFIED] [2018-11-10 11:47:29,122 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~0,QUANTIFIED] Derived loop invariant: (\exists __ieee754_logf_~ix~0 : bv32 :: ~bvslt32(__ieee754_logf_~ix~0, 2139095040bv32) && \old(x) == ~fp~LONGDOUBLE(__ieee754_logf_~ix~0[31:31], __ieee754_logf_~ix~0[30:23], __ieee754_logf_~ix~0[22:0])) - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: x == \old(x) - InvariantResult [Line: 40]: Loop Invariant [2018-11-10 11:47:29,123 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~0,QUANTIFIED] [2018-11-10 11:47:29,123 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~0,QUANTIFIED] [2018-11-10 11:47:29,127 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~0,QUANTIFIED] [2018-11-10 11:47:29,127 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~0,QUANTIFIED] [2018-11-10 11:47:29,128 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~0,QUANTIFIED] [2018-11-10 11:47:29,128 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~0,QUANTIFIED] [2018-11-10 11:47:29,128 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~0,QUANTIFIED] [2018-11-10 11:47:29,128 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~0,QUANTIFIED] Derived loop invariant: (\exists __ieee754_logf_~ix~0 : bv32 :: ~bvslt32(__ieee754_logf_~ix~0, 2139095040bv32) && \old(x) == ~fp~LONGDOUBLE(__ieee754_logf_~ix~0[31:31], __ieee754_logf_~ix~0[30:23], __ieee754_logf_~ix~0[22:0])) && \old(x) == ~fp~LONGDOUBLE(ix[31:31], ix[30:23], ix[22:0]) - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: \old(x) == x - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 77 locations, 1 error locations. SAFE Result, 28.2s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 24.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 346 SDtfs, 146 SDslu, 1659 SDs, 0 SdLazy, 408 SolverSat, 19 SolverUnsat, 7 SolverUnknown, 0 SolverNotchecked, 21.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 228 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=77occurred 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, 22 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 20 PreInvPairs, 26 NumberOfFragments, 83 HoareAnnotationTreeSize, 20 FomulaSimplifications, 19 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 203 NumberOfCodeBlocks, 203 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 198 ConstructedInterpolants, 24 QuantifiedInterpolants, 48673 SizeOfPredicates, 30 NumberOfNonLiveVariables, 582 ConjunctsInSsa, 41 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...