./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0831_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_22bf0d3e-9312-43f3-851f-3b06946d26d2/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_22bf0d3e-9312-43f3-851f-3b06946d26d2/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_22bf0d3e-9312-43f3-851f-3b06946d26d2/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_22bf0d3e-9312-43f3-851f-3b06946d26d2/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0831_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_22bf0d3e-9312-43f3-851f-3b06946d26d2/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_22bf0d3e-9312-43f3-851f-3b06946d26d2/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 14218179970cdda4c2f749c75b7f78aa74dcc86b ................................................................................................................................................................................................................................................................................................................................... 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_22bf0d3e-9312-43f3-851f-3b06946d26d2/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_22bf0d3e-9312-43f3-851f-3b06946d26d2/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_22bf0d3e-9312-43f3-851f-3b06946d26d2/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_22bf0d3e-9312-43f3-851f-3b06946d26d2/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0831_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_22bf0d3e-9312-43f3-851f-3b06946d26d2/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_22bf0d3e-9312-43f3-851f-3b06946d26d2/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 14218179970cdda4c2f749c75b7f78aa74dcc86b ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 11:51:21,972 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 11:51:21,973 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 11:51:21,980 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 11:51:21,981 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 11:51:21,981 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 11:51:21,982 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 11:51:21,983 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 11:51:21,984 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 11:51:21,985 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 11:51:21,985 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 11:51:21,986 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 11:51:21,986 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 11:51:21,987 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 11:51:21,988 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 11:51:21,988 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 11:51:21,989 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 11:51:21,990 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 11:51:21,991 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 11:51:21,992 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 11:51:21,993 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 11:51:21,994 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 11:51:21,996 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 11:51:21,996 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 11:51:21,996 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 11:51:21,997 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 11:51:21,997 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 11:51:21,998 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 11:51:21,998 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 11:51:21,999 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 11:51:21,999 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 11:51:22,000 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 11:51:22,000 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 11:51:22,000 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 11:51:22,001 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 11:51:22,001 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 11:51:22,002 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_22bf0d3e-9312-43f3-851f-3b06946d26d2/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-10 11:51:22,011 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 11:51:22,011 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 11:51:22,012 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 11:51:22,012 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 11:51:22,012 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 11:51:22,013 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 11:51:22,013 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 11:51:22,013 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 11:51:22,013 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 11:51:22,013 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 11:51:22,013 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 11:51:22,013 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 11:51:22,014 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 11:51:22,014 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 11:51:22,014 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 11:51:22,014 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 11:51:22,014 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 11:51:22,014 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 11:51:22,014 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 11:51:22,015 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 11:51:22,015 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 11:51:22,015 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 11:51:22,015 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 11:51:22,015 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 11:51:22,015 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 11:51:22,015 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 11:51:22,015 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 11:51:22,016 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 11:51:22,016 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 11:51:22,016 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_22bf0d3e-9312-43f3-851f-3b06946d26d2/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 -> 14218179970cdda4c2f749c75b7f78aa74dcc86b [2018-11-10 11:51:22,041 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 11:51:22,051 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 11:51:22,053 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 11:51:22,055 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 11:51:22,055 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 11:51:22,055 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_22bf0d3e-9312-43f3-851f-3b06946d26d2/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0831_true-unreach-call.c [2018-11-10 11:51:22,106 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_22bf0d3e-9312-43f3-851f-3b06946d26d2/bin-2019/uautomizer/data/0791ddf42/c0944604ceac4df49b5c53fe7c8d0b62/FLAG6ab50662d [2018-11-10 11:51:22,501 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 11:51:22,501 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_22bf0d3e-9312-43f3-851f-3b06946d26d2/sv-benchmarks/c/float-newlib/float_req_bl_0831_true-unreach-call.c [2018-11-10 11:51:22,505 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_22bf0d3e-9312-43f3-851f-3b06946d26d2/bin-2019/uautomizer/data/0791ddf42/c0944604ceac4df49b5c53fe7c8d0b62/FLAG6ab50662d [2018-11-10 11:51:22,514 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_22bf0d3e-9312-43f3-851f-3b06946d26d2/bin-2019/uautomizer/data/0791ddf42/c0944604ceac4df49b5c53fe7c8d0b62 [2018-11-10 11:51:22,516 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 11:51:22,517 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-10 11:51:22,518 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 11:51:22,518 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 11:51:22,521 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 11:51:22,522 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:51:22" (1/1) ... [2018-11-10 11:51:22,523 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b12072f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:51:22, skipping insertion in model container [2018-11-10 11:51:22,524 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:51:22" (1/1) ... [2018-11-10 11:51:22,529 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 11:51:22,544 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 11:51:22,655 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 11:51:22,659 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 11:51:22,680 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 11:51:22,693 INFO L193 MainTranslator]: Completed translation [2018-11-10 11:51:22,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:51:22 WrapperNode [2018-11-10 11:51:22,694 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 11:51:22,694 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 11:51:22,694 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 11:51:22,694 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 11:51:22,705 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:51:22" (1/1) ... [2018-11-10 11:51:22,706 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:51:22" (1/1) ... [2018-11-10 11:51:22,750 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:51:22" (1/1) ... [2018-11-10 11:51:22,750 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:51:22" (1/1) ... [2018-11-10 11:51:22,759 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:51:22" (1/1) ... [2018-11-10 11:51:22,765 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:51:22" (1/1) ... [2018-11-10 11:51:22,767 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:51:22" (1/1) ... [2018-11-10 11:51:22,769 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 11:51:22,769 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 11:51:22,769 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 11:51:22,769 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 11:51:22,770 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:51:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_22bf0d3e-9312-43f3-851f-3b06946d26d2/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 11:51:22,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 11:51:22,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 11:51:22,816 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-11-10 11:51:22,816 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_expf [2018-11-10 11:51:22,816 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 11:51:22,816 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-10 11:51:22,816 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-11-10 11:51:22,816 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-11-10 11:51:22,816 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_expf [2018-11-10 11:51:22,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 11:51:22,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-10 11:51:22,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-10 11:51:22,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-10 11:51:22,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-10 11:51:22,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-10 11:51:22,817 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 11:51:22,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 11:51:22,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-11-10 11:51:22,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 11:51:22,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-10 11:51:23,132 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 11:51:23,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:51:23 BoogieIcfgContainer [2018-11-10 11:51:23,133 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 11:51:23,133 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 11:51:23,133 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 11:51:23,136 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 11:51:23,136 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 11:51:22" (1/3) ... [2018-11-10 11:51:23,136 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3504d8f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 11:51:23, skipping insertion in model container [2018-11-10 11:51:23,136 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:51:22" (2/3) ... [2018-11-10 11:51:23,137 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3504d8f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 11:51:23, skipping insertion in model container [2018-11-10 11:51:23,137 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:51:23" (3/3) ... [2018-11-10 11:51:23,138 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0831_true-unreach-call.c [2018-11-10 11:51:23,144 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 11:51:23,151 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 11:51:23,161 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 11:51:23,182 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 11:51:23,183 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 11:51:23,183 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 11:51:23,183 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 11:51:23,183 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 11:51:23,183 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 11:51:23,183 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 11:51:23,183 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 11:51:23,184 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 11:51:23,198 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states. [2018-11-10 11:51:23,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-10 11:51:23,203 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:51:23,204 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] [2018-11-10 11:51:23,205 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 11:51:23,210 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:51:23,211 INFO L82 PathProgramCache]: Analyzing trace with hash 651632652, now seen corresponding path program 1 times [2018-11-10 11:51:23,212 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 11:51:23,213 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 11:51:23,243 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:51:23,243 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:51:23,243 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:51:23,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:51:23,338 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 11:51:23,340 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 11:51:23,341 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 11:51:23,343 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-10 11:51:23,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-10 11:51:23,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 11:51:23,353 INFO L87 Difference]: Start difference. First operand 111 states. Second operand 2 states. [2018-11-10 11:51:23,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:51:23,371 INFO L93 Difference]: Finished difference Result 203 states and 245 transitions. [2018-11-10 11:51:23,371 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 11:51:23,372 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 32 [2018-11-10 11:51:23,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:51:23,379 INFO L225 Difference]: With dead ends: 203 [2018-11-10 11:51:23,379 INFO L226 Difference]: Without dead ends: 107 [2018-11-10 11:51:23,381 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 11:51:23,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2018-11-10 11:51:23,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2018-11-10 11:51:23,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2018-11-10 11:51:23,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 117 transitions. [2018-11-10 11:51:23,409 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 117 transitions. Word has length 32 [2018-11-10 11:51:23,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:51:23,409 INFO L481 AbstractCegarLoop]: Abstraction has 107 states and 117 transitions. [2018-11-10 11:51:23,409 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-10 11:51:23,409 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 117 transitions. [2018-11-10 11:51:23,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-10 11:51:23,410 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:51:23,410 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 11:51:23,411 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 11:51:23,411 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:51:23,411 INFO L82 PathProgramCache]: Analyzing trace with hash -1070357540, now seen corresponding path program 1 times [2018-11-10 11:51:23,411 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 11:51:23,411 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 11:51:23,412 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:51:23,412 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:51:23,413 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:51:23,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 11:51:23,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 11:51:23,504 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-10 11:51:23,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 11:51:23 BoogieIcfgContainer [2018-11-10 11:51:23,544 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 11:51:23,544 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 11:51:23,544 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 11:51:23,544 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 11:51:23,545 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:51:23" (3/4) ... [2018-11-10 11:51:23,548 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 11:51:23,548 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 11:51:23,549 INFO L168 Benchmark]: Toolchain (without parser) took 1032.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 960.2 MB in the beginning and 1.0 GB in the end (delta: -85.8 MB). Peak memory consumption was 37.9 MB. Max. memory is 11.5 GB. [2018-11-10 11:51:23,550 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 11:51:23,550 INFO L168 Benchmark]: CACSL2BoogieTranslator took 176.45 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 946.6 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2018-11-10 11:51:23,551 INFO L168 Benchmark]: Boogie Preprocessor took 74.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 946.6 MB in the beginning and 1.1 GB in the end (delta: -171.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. [2018-11-10 11:51:23,551 INFO L168 Benchmark]: RCFGBuilder took 363.68 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: 40.0 MB). Peak memory consumption was 40.0 MB. Max. memory is 11.5 GB. [2018-11-10 11:51:23,552 INFO L168 Benchmark]: TraceAbstraction took 410.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. [2018-11-10 11:51:23,552 INFO L168 Benchmark]: Witness Printer took 4.23 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 11:51:23,555 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 176.45 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 946.6 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 74.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 946.6 MB in the beginning and 1.1 GB in the end (delta: -171.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 363.68 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: 40.0 MB). Peak memory consumption was 40.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 410.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. * Witness Printer took 4.23 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 121]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 13, overapproximation of someUnaryDOUBLEoperation at line 33, overapproximation of bitwiseAnd at line 46, overapproximation of someBinaryArithmeticFLOAToperation at line 50. Possible FailurePath: [L15-L34] static const float one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+30, twom100_exp = 7.8886090522e-31, ln2HI_exp[2] = { 6.9313812256e-01, -6.9313812256e-01, }, ln2LO_exp[2] = { 9.0580006145e-06, -9.0580006145e-06, }, invln2_exp = 1.4426950216e+00, P1_exp = 1.6666667163e-01, P2_exp = -2.7777778450e-03, P3_exp = 6.6137559770e-05, P4_exp = -1.6533901999e-06, P5_exp = 4.1381369442e-08; VAL [\old(halF_exp)=6442450952, \old(halF_exp)=6442450970, \old(huge_exp)=6442450964, \old(invln2_exp)=6442450947, \old(ln2HI_exp)=6442450967, \old(ln2HI_exp)=6442450945, \old(ln2LO_exp)=6442450955, \old(ln2LO_exp)=6442450968, \old(one_exp)=6442450962, \old(P1_exp)=6442450951, \old(P2_exp)=6442450954, \old(P3_exp)=6442450956, \old(P4_exp)=6442450959, \old(P5_exp)=6442450957, \old(twom100_exp)=6442450946, halF_exp={6442450950:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={6442450971:0}, ln2LO_exp={6442450961:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L116] float x = 0.0f / 0.0f; VAL [halF_exp={6442450950:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={6442450971:0}, ln2LO_exp={6442450961:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L117] CALL, EXPR __ieee754_expf(x) VAL [\old(x)=6442450965, halF_exp={6442450950:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={6442450971:0}, ln2LO_exp={6442450961:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L37] float y, hi, lo, c, t; [L38] __int32_t k = 0, xsb, sx; [L39] __uint32_t hx; VAL [\old(x)=6442450965, halF_exp={6442450950:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, k=0, ln2HI_exp={6442450971:0}, ln2LO_exp={6442450961:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=6442450965] [L42] FCALL ieee_float_shape_type gf_u; VAL [\old(x)=6442450965, gf_u={6442450969:0}, halF_exp={6442450950:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, k=0, ln2HI_exp={6442450971:0}, ln2LO_exp={6442450961:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=6442450965] [L43] FCALL gf_u.value = (x) VAL [\old(x)=6442450965, gf_u={6442450969:0}, halF_exp={6442450950:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, k=0, ln2HI_exp={6442450971:0}, ln2LO_exp={6442450961:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=6442450965] [L44] EXPR, FCALL gf_u.word VAL [\old(x)=6442450965, gf_u={6442450969:0}, gf_u.word=6442450944, halF_exp={6442450950:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, k=0, ln2HI_exp={6442450971:0}, ln2LO_exp={6442450961:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=6442450965] [L44] (sx) = gf_u.word [L45] COND FALSE !(0) VAL [\old(x)=6442450965, halF_exp={6442450950:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, k=0, ln2HI_exp={6442450971:0}, ln2LO_exp={6442450961:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, sx=-2147483648, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=6442450965] [L46] xsb = (sx >> 31) & 1 [L47] hx = sx & 0x7fffffff VAL [\old(x)=6442450965, halF_exp={6442450950:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, k=0, ln2HI_exp={6442450971:0}, ln2LO_exp={6442450961:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, sx=-2147483648, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=6442450965] [L49] COND TRUE ((hx) > 0x7f800000L) [L50] RET return x + x; VAL [\old(x)=6442450965, halF_exp={6442450950:0}, huge_exp=1000000000000000000000000000000, hx=2139095041, invln2_exp=1803368777/1250000000, k=0, ln2HI_exp={6442450971:0}, ln2LO_exp={6442450961:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, sx=-2147483648, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=6442450965] [L117] EXPR __ieee754_expf(x) VAL [__ieee754_expf(x)=6442450960, halF_exp={6442450950:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={6442450971:0}, ln2LO_exp={6442450961:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=6442450965] [L117] float res = __ieee754_expf(x); [L120] CALL, EXPR isnan_float(res) VAL [\old(x)=6442450960, halF_exp={6442450950:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={6442450971:0}, ln2LO_exp={6442450961:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L13] RET return x != x; VAL [\old(x)=6442450960, \result=0, halF_exp={6442450950:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={6442450971:0}, ln2LO_exp={6442450961:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=6442450960] [L120] EXPR isnan_float(res) VAL [halF_exp={6442450950:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, isnan_float(res)=0, ln2HI_exp={6442450971:0}, ln2LO_exp={6442450961:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, res=6442450960, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=6442450965] [L120] COND TRUE !isnan_float(res) [L121] __VERIFIER_error() VAL [halF_exp={6442450950:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={6442450971:0}, ln2LO_exp={6442450961:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, res=6442450960, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=6442450965] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 111 locations, 1 error locations. UNSAFE Result, 0.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 121 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=111occurred 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, 73 NumberOfCodeBlocks, 73 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 31 ConstructedInterpolants, 0 QuantifiedInterpolants, 961 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 11:51:25,009 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 11:51:25,010 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 11:51:25,019 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 11:51:25,019 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 11:51:25,020 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 11:51:25,021 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 11:51:25,022 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 11:51:25,023 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 11:51:25,023 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 11:51:25,024 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 11:51:25,024 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 11:51:25,025 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 11:51:25,026 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 11:51:25,026 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 11:51:25,027 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 11:51:25,027 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 11:51:25,029 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 11:51:25,030 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 11:51:25,031 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 11:51:25,031 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 11:51:25,032 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 11:51:25,034 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 11:51:25,034 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 11:51:25,034 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 11:51:25,035 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 11:51:25,035 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 11:51:25,036 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 11:51:25,036 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 11:51:25,037 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 11:51:25,037 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 11:51:25,038 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 11:51:25,038 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 11:51:25,038 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 11:51:25,038 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 11:51:25,039 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 11:51:25,039 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_22bf0d3e-9312-43f3-851f-3b06946d26d2/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-10 11:51:25,049 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 11:51:25,049 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 11:51:25,050 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 11:51:25,050 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 11:51:25,050 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 11:51:25,050 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 11:51:25,051 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 11:51:25,051 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 11:51:25,051 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 11:51:25,051 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 11:51:25,051 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 11:51:25,051 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 11:51:25,051 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 11:51:25,052 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 11:51:25,052 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 11:51:25,052 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 11:51:25,052 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 11:51:25,052 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 11:51:25,052 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 11:51:25,052 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 11:51:25,052 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 11:51:25,053 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 11:51:25,053 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 11:51:25,053 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 11:51:25,053 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 11:51:25,053 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 11:51:25,053 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 11:51:25,053 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-10 11:51:25,054 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 11:51:25,054 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 11:51:25,054 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 11:51:25,054 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_22bf0d3e-9312-43f3-851f-3b06946d26d2/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 -> 14218179970cdda4c2f749c75b7f78aa74dcc86b [2018-11-10 11:51:25,083 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 11:51:25,092 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 11:51:25,095 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 11:51:25,096 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 11:51:25,096 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 11:51:25,097 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_22bf0d3e-9312-43f3-851f-3b06946d26d2/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0831_true-unreach-call.c [2018-11-10 11:51:25,136 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_22bf0d3e-9312-43f3-851f-3b06946d26d2/bin-2019/uautomizer/data/743d9e3e3/f4ee900da0bb41edb8ac90bcc0da3093/FLAG7279a9174 [2018-11-10 11:51:25,439 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 11:51:25,439 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_22bf0d3e-9312-43f3-851f-3b06946d26d2/sv-benchmarks/c/float-newlib/float_req_bl_0831_true-unreach-call.c [2018-11-10 11:51:25,444 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_22bf0d3e-9312-43f3-851f-3b06946d26d2/bin-2019/uautomizer/data/743d9e3e3/f4ee900da0bb41edb8ac90bcc0da3093/FLAG7279a9174 [2018-11-10 11:51:25,455 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_22bf0d3e-9312-43f3-851f-3b06946d26d2/bin-2019/uautomizer/data/743d9e3e3/f4ee900da0bb41edb8ac90bcc0da3093 [2018-11-10 11:51:25,457 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 11:51:25,457 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-10 11:51:25,458 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 11:51:25,458 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 11:51:25,461 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 11:51:25,462 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:51:25" (1/1) ... [2018-11-10 11:51:25,466 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@321c0fe0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:51:25, skipping insertion in model container [2018-11-10 11:51:25,466 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:51:25" (1/1) ... [2018-11-10 11:51:25,474 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 11:51:25,494 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 11:51:25,635 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 11:51:25,640 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 11:51:25,671 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 11:51:25,687 INFO L193 MainTranslator]: Completed translation [2018-11-10 11:51:25,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:51:25 WrapperNode [2018-11-10 11:51:25,688 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 11:51:25,688 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 11:51:25,688 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 11:51:25,688 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 11:51:25,698 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:51:25" (1/1) ... [2018-11-10 11:51:25,698 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:51:25" (1/1) ... [2018-11-10 11:51:25,706 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:51:25" (1/1) ... [2018-11-10 11:51:25,707 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:51:25" (1/1) ... [2018-11-10 11:51:25,716 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:51:25" (1/1) ... [2018-11-10 11:51:25,721 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:51:25" (1/1) ... [2018-11-10 11:51:25,723 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:51:25" (1/1) ... [2018-11-10 11:51:25,725 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 11:51:25,725 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 11:51:25,725 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 11:51:25,725 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 11:51:25,726 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:51:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_22bf0d3e-9312-43f3-851f-3b06946d26d2/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 11:51:25,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 11:51:25,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 11:51:25,795 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-11-10 11:51:25,795 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_expf [2018-11-10 11:51:25,795 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 11:51:25,796 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-10 11:51:25,796 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-11-10 11:51:25,796 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-11-10 11:51:25,796 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_expf [2018-11-10 11:51:25,796 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 11:51:25,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-11-10 11:51:25,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-10 11:51:25,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-10 11:51:25,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-11-10 11:51:25,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-10 11:51:25,797 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 11:51:25,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 11:51:25,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2018-11-10 11:51:25,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 11:51:25,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-11-10 11:51:25,918 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 11:51:25,930 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 11:51:33,564 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 11:51:33,569 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 11:51:33,606 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 11:51:33,618 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 11:51:33,720 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 11:51:33,724 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 11:51:33,730 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 11:51:33,747 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 11:51:33,751 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 11:51:33,759 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 11:51:33,764 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 11:51:33,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:51:33 BoogieIcfgContainer [2018-11-10 11:51:33,765 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 11:51:33,765 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 11:51:33,765 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 11:51:33,768 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 11:51:33,768 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 11:51:25" (1/3) ... [2018-11-10 11:51:33,769 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b1f6b67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 11:51:33, skipping insertion in model container [2018-11-10 11:51:33,769 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:51:25" (2/3) ... [2018-11-10 11:51:33,770 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b1f6b67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 11:51:33, skipping insertion in model container [2018-11-10 11:51:33,771 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:51:33" (3/3) ... [2018-11-10 11:51:33,772 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0831_true-unreach-call.c [2018-11-10 11:51:33,780 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 11:51:33,786 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 11:51:33,798 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 11:51:33,823 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 11:51:33,824 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 11:51:33,824 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 11:51:33,824 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 11:51:33,824 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 11:51:33,824 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 11:51:33,824 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 11:51:33,824 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 11:51:33,824 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 11:51:33,837 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states. [2018-11-10 11:51:33,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-10 11:51:33,840 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:51:33,841 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] [2018-11-10 11:51:33,842 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 11:51:33,845 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:51:33,846 INFO L82 PathProgramCache]: Analyzing trace with hash -1399031768, now seen corresponding path program 1 times [2018-11-10 11:51:33,849 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 11:51:33,849 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_22bf0d3e-9312-43f3-851f-3b06946d26d2/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 11:51:33,853 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:51:33,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:51:33,945 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 11:51:33,956 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 11:51:33,957 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 11:51:33,971 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 11:51:33,971 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 11:51:33,973 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-10 11:51:33,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-10 11:51:33,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 11:51:33,987 INFO L87 Difference]: Start difference. First operand 110 states. Second operand 2 states. [2018-11-10 11:51:34,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:51:34,008 INFO L93 Difference]: Finished difference Result 201 states and 243 transitions. [2018-11-10 11:51:34,008 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 11:51:34,009 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 31 [2018-11-10 11:51:34,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:51:34,019 INFO L225 Difference]: With dead ends: 201 [2018-11-10 11:51:34,019 INFO L226 Difference]: Without dead ends: 106 [2018-11-10 11:51:34,022 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 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 11:51:34,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2018-11-10 11:51:34,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2018-11-10 11:51:34,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2018-11-10 11:51:34,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 116 transitions. [2018-11-10 11:51:34,052 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 116 transitions. Word has length 31 [2018-11-10 11:51:34,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:51:34,053 INFO L481 AbstractCegarLoop]: Abstraction has 106 states and 116 transitions. [2018-11-10 11:51:34,053 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-10 11:51:34,053 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 116 transitions. [2018-11-10 11:51:34,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-10 11:51:34,053 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:51:34,054 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 11:51:34,054 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 11:51:34,054 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:51:34,054 INFO L82 PathProgramCache]: Analyzing trace with hash -1065940810, now seen corresponding path program 1 times [2018-11-10 11:51:34,054 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 11:51:34,054 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_22bf0d3e-9312-43f3-851f-3b06946d26d2/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 11:51:34,058 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:51:34,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:51:34,146 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 11:51:34,648 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 11:51:34,648 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 11:51:34,656 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 11:51:34,656 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-10 11:51:34,658 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-10 11:51:34,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-10 11:51:34,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-10 11:51:34,658 INFO L87 Difference]: Start difference. First operand 106 states and 116 transitions. Second operand 9 states. [2018-11-10 11:51:35,139 WARN L179 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-11-10 11:51:45,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:51:45,630 INFO L93 Difference]: Finished difference Result 116 states and 126 transitions. [2018-11-10 11:51:45,631 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-10 11:51:45,631 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 40 [2018-11-10 11:51:45,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:51:45,634 INFO L225 Difference]: With dead ends: 116 [2018-11-10 11:51:45,634 INFO L226 Difference]: Without dead ends: 109 [2018-11-10 11:51:45,635 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-11-10 11:51:45,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2018-11-10 11:51:45,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 106. [2018-11-10 11:51:45,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2018-11-10 11:51:45,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 115 transitions. [2018-11-10 11:51:45,642 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 115 transitions. Word has length 40 [2018-11-10 11:51:45,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:51:45,643 INFO L481 AbstractCegarLoop]: Abstraction has 106 states and 115 transitions. [2018-11-10 11:51:45,643 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-10 11:51:45,643 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 115 transitions. [2018-11-10 11:51:45,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-10 11:51:45,644 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:51:45,644 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 11:51:45,644 INFO L424 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 11:51:45,644 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:51:45,644 INFO L82 PathProgramCache]: Analyzing trace with hash 517666642, now seen corresponding path program 1 times [2018-11-10 11:51:45,645 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 11:51:45,645 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_22bf0d3e-9312-43f3-851f-3b06946d26d2/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 11:51:45,647 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:51:45,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:51:45,751 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 11:51:45,785 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 11:51:45,788 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 11:51:45,788 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 11:51:45,791 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 11:51:45,797 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 11:51:45,797 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-11-10 11:51:45,809 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 11:51:45,811 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 11:51:45,812 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 11:51:45,814 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 11:51:45,815 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 11:51:45,816 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-11-10 11:51:45,976 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 11:51:45,976 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 11:51:45,989 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 11:51:45,989 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-11-10 11:51:45,989 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-10 11:51:45,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-10 11:51:45,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2018-11-10 11:51:45,990 INFO L87 Difference]: Start difference. First operand 106 states and 115 transitions. Second operand 11 states. [2018-11-10 11:51:55,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:51:55,382 INFO L93 Difference]: Finished difference Result 121 states and 129 transitions. [2018-11-10 11:51:55,383 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-10 11:51:55,383 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 42 [2018-11-10 11:51:55,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:51:55,384 INFO L225 Difference]: With dead ends: 121 [2018-11-10 11:51:55,384 INFO L226 Difference]: Without dead ends: 105 [2018-11-10 11:51:55,385 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=97, Invalid=323, Unknown=0, NotChecked=0, Total=420 [2018-11-10 11:51:55,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2018-11-10 11:51:55,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 104. [2018-11-10 11:51:55,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2018-11-10 11:51:55,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 108 transitions. [2018-11-10 11:51:55,393 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 108 transitions. Word has length 42 [2018-11-10 11:51:55,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:51:55,393 INFO L481 AbstractCegarLoop]: Abstraction has 104 states and 108 transitions. [2018-11-10 11:51:55,393 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-10 11:51:55,394 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 108 transitions. [2018-11-10 11:51:55,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-10 11:51:55,395 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:51:55,395 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] [2018-11-10 11:51:55,395 INFO L424 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 11:51:55,395 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:51:55,395 INFO L82 PathProgramCache]: Analyzing trace with hash -1752707690, now seen corresponding path program 1 times [2018-11-10 11:51:55,396 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 11:51:55,396 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_22bf0d3e-9312-43f3-851f-3b06946d26d2/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 11:51:55,400 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:51:56,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:51:56,130 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 11:51:56,150 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 11:51:56,152 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 11:51:56,152 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 11:51:56,155 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 11:51:56,160 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 11:51:56,161 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-11-10 11:51:56,174 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 11:51:56,177 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 11:51:56,177 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 11:51:56,179 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 11:51:56,181 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 11:51:56,181 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-11-10 11:51:56,269 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 11:51:56,270 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 11:51:56,291 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 11:51:56,291 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-10 11:51:56,291 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-10 11:51:56,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-10 11:51:56,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-10 11:51:56,292 INFO L87 Difference]: Start difference. First operand 104 states and 108 transitions. Second operand 9 states. [2018-11-10 11:52:05,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:52:05,852 INFO L93 Difference]: Finished difference Result 159 states and 164 transitions. [2018-11-10 11:52:05,853 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-10 11:52:05,853 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 47 [2018-11-10 11:52:05,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:52:05,854 INFO L225 Difference]: With dead ends: 159 [2018-11-10 11:52:05,854 INFO L226 Difference]: Without dead ends: 102 [2018-11-10 11:52:05,857 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=65, Invalid=207, Unknown=0, NotChecked=0, Total=272 [2018-11-10 11:52:05,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2018-11-10 11:52:05,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2018-11-10 11:52:05,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2018-11-10 11:52:05,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 104 transitions. [2018-11-10 11:52:05,861 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 104 transitions. Word has length 47 [2018-11-10 11:52:05,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:52:05,861 INFO L481 AbstractCegarLoop]: Abstraction has 102 states and 104 transitions. [2018-11-10 11:52:05,861 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-10 11:52:05,861 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 104 transitions. [2018-11-10 11:52:05,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-10 11:52:05,862 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:52:05,862 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:52:05,863 INFO L424 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 11:52:05,863 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:52:05,863 INFO L82 PathProgramCache]: Analyzing trace with hash 728360671, now seen corresponding path program 1 times [2018-11-10 11:52:05,863 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 11:52:05,863 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_22bf0d3e-9312-43f3-851f-3b06946d26d2/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 11:52:05,868 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:52:06,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:52:06,646 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 11:52:06,661 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 11:52:06,664 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 11:52:06,664 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 11:52:06,666 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 11:52:06,674 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 11:52:06,674 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-11-10 11:52:06,686 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 11:52:06,689 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 11:52:06,689 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 11:52:06,691 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 11:52:06,693 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 11:52:06,694 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-11-10 11:52:06,781 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 11:52:06,781 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 11:52:06,796 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 11:52:06,796 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-10 11:52:06,796 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-10 11:52:06,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-10 11:52:06,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-10 11:52:06,797 INFO L87 Difference]: Start difference. First operand 102 states and 104 transitions. Second operand 9 states. [2018-11-10 11:52:17,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:52:17,018 INFO L93 Difference]: Finished difference Result 158 states and 161 transitions. [2018-11-10 11:52:17,019 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-10 11:52:17,019 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 52 [2018-11-10 11:52:17,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:52:17,020 INFO L225 Difference]: With dead ends: 158 [2018-11-10 11:52:17,020 INFO L226 Difference]: Without dead ends: 98 [2018-11-10 11:52:17,020 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=72, Invalid=234, Unknown=0, NotChecked=0, Total=306 [2018-11-10 11:52:17,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2018-11-10 11:52:17,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2018-11-10 11:52:17,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2018-11-10 11:52:17,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 99 transitions. [2018-11-10 11:52:17,024 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 99 transitions. Word has length 52 [2018-11-10 11:52:17,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:52:17,024 INFO L481 AbstractCegarLoop]: Abstraction has 98 states and 99 transitions. [2018-11-10 11:52:17,024 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-10 11:52:17,024 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 99 transitions. [2018-11-10 11:52:17,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-10 11:52:17,024 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:52:17,024 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] [2018-11-10 11:52:17,024 INFO L424 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 11:52:17,025 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:52:17,025 INFO L82 PathProgramCache]: Analyzing trace with hash 617902182, now seen corresponding path program 1 times [2018-11-10 11:52:17,025 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 11:52:17,025 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_22bf0d3e-9312-43f3-851f-3b06946d26d2/bin-2019/uautomizer/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2018-11-10 11:52:17,029 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:52:17,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:52:18,028 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 11:52:20,165 WARN L854 $PredicateComparison]: unable to prove that (exists ((__ieee754_expf_~t~0 (_ FloatingPoint 8 24)) (|v___ieee754_expf_#t~mem6_4| (_ FloatingPoint 8 24))) (= (fp.sub RNE |c___ieee754_expf_#in~x| (fp.mul RNE __ieee754_expf_~t~0 |v___ieee754_expf_#t~mem6_4|)) c___ieee754_expf_~hi~0)) is different from true [2018-11-10 11:52:22,367 WARN L854 $PredicateComparison]: unable to prove that (exists ((__ieee754_expf_~t~0 (_ FloatingPoint 8 24)) (|v___ieee754_expf_#t~mem6_4| (_ FloatingPoint 8 24)) (__ieee754_expf_~lo~0 (_ FloatingPoint 8 24))) (= (fp.sub RNE (fp.sub RNE |c___ieee754_expf_#in~x| (fp.mul RNE __ieee754_expf_~t~0 |v___ieee754_expf_#t~mem6_4|)) __ieee754_expf_~lo~0) c___ieee754_expf_~x)) is different from true [2018-11-10 11:52:24,438 WARN L832 $PredicateComparison]: unable to prove that (exists ((__ieee754_expf_~c~0 (_ FloatingPoint 8 24)) (__ieee754_expf_~t~0 (_ FloatingPoint 8 24)) (|v___ieee754_expf_#t~mem6_4| (_ FloatingPoint 8 24)) (__ieee754_expf_~lo~0 (_ FloatingPoint 8 24))) (= (fp.sub RNE c_~one_exp~0 (let ((.cse0 (fp.sub RNE (fp.sub RNE |c___ieee754_expf_#in~x| (fp.mul RNE __ieee754_expf_~t~0 |v___ieee754_expf_#t~mem6_4|)) __ieee754_expf_~lo~0))) (fp.sub RNE (fp.div RNE (fp.mul RNE .cse0 __ieee754_expf_~c~0) (fp.sub RNE __ieee754_expf_~c~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 2.0)))) .cse0))) |c___ieee754_expf_#res|)) is different from false [2018-11-10 11:52:26,491 WARN L854 $PredicateComparison]: unable to prove that (exists ((__ieee754_expf_~c~0 (_ FloatingPoint 8 24)) (__ieee754_expf_~t~0 (_ FloatingPoint 8 24)) (|v___ieee754_expf_#t~mem6_4| (_ FloatingPoint 8 24)) (__ieee754_expf_~lo~0 (_ FloatingPoint 8 24))) (= (fp.sub RNE c_~one_exp~0 (let ((.cse0 (fp.sub RNE (fp.sub RNE |c___ieee754_expf_#in~x| (fp.mul RNE __ieee754_expf_~t~0 |v___ieee754_expf_#t~mem6_4|)) __ieee754_expf_~lo~0))) (fp.sub RNE (fp.div RNE (fp.mul RNE .cse0 __ieee754_expf_~c~0) (fp.sub RNE __ieee754_expf_~c~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 2.0)))) .cse0))) |c___ieee754_expf_#res|)) is different from true [2018-11-10 11:52:27,682 WARN L179 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2018-11-10 11:52:29,469 WARN L179 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2018-11-10 11:52:30,706 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 11:52:30,707 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 11:52:30,723 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 11:52:30,724 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-11-10 11:52:30,724 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-10 11:52:30,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-10 11:52:30,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=45, Unknown=4, NotChecked=42, Total=110 [2018-11-10 11:52:30,724 INFO L87 Difference]: Start difference. First operand 98 states and 99 transitions. Second operand 11 states. [2018-11-10 11:52:36,801 WARN L179 SmtUtils]: Spent 849.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-11-10 11:52:40,311 WARN L179 SmtUtils]: Spent 800.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2018-11-10 11:52:40,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:52:40,342 INFO L93 Difference]: Finished difference Result 105 states and 106 transitions. [2018-11-10 11:52:40,342 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-10 11:52:40,342 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 54 [2018-11-10 11:52:40,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:52:40,343 INFO L225 Difference]: With dead ends: 105 [2018-11-10 11:52:40,343 INFO L226 Difference]: Without dead ends: 98 [2018-11-10 11:52:40,343 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 18.6s TimeCoverageRelationStatistics Valid=26, Invalid=71, Unknown=5, NotChecked=54, Total=156 [2018-11-10 11:52:40,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2018-11-10 11:52:40,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2018-11-10 11:52:40,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2018-11-10 11:52:40,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 98 transitions. [2018-11-10 11:52:40,348 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 98 transitions. Word has length 54 [2018-11-10 11:52:40,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:52:40,349 INFO L481 AbstractCegarLoop]: Abstraction has 98 states and 98 transitions. [2018-11-10 11:52:40,349 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-10 11:52:40,349 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 98 transitions. [2018-11-10 11:52:40,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-11-10 11:52:40,350 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:52:40,350 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 11:52:40,350 INFO L424 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 11:52:40,350 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:52:40,350 INFO L82 PathProgramCache]: Analyzing trace with hash 137737835, now seen corresponding path program 1 times [2018-11-10 11:52:40,350 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 11:52:40,351 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_22bf0d3e-9312-43f3-851f-3b06946d26d2/bin-2019/uautomizer/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2018-11-10 11:52:40,353 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:52:41,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:52:41,416 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 11:52:46,126 WARN L179 SmtUtils]: Spent 634.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-11-10 11:52:50,391 WARN L179 SmtUtils]: Spent 420.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-11-10 11:52:50,411 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 11:52:50,411 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 11:52:50,436 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 11:52:50,437 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-10 11:52:50,437 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 11:52:50,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 11:52:50,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=20, Unknown=1, NotChecked=0, Total=30 [2018-11-10 11:52:50,438 INFO L87 Difference]: Start difference. First operand 98 states and 98 transitions. Second operand 6 states. [2018-11-10 11:53:03,764 WARN L179 SmtUtils]: Spent 2.95 s on a formula simplification that was a NOOP. DAG size: 14 [2018-11-10 11:53:14,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:53:14,903 INFO L93 Difference]: Finished difference Result 98 states and 98 transitions. [2018-11-10 11:53:14,919 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-10 11:53:14,919 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 76 [2018-11-10 11:53:14,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:53:14,920 INFO L225 Difference]: With dead ends: 98 [2018-11-10 11:53:14,920 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 11:53:14,920 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 13.9s TimeCoverageRelationStatistics Valid=13, Invalid=28, Unknown=1, NotChecked=0, Total=42 [2018-11-10 11:53:14,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 11:53:14,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 11:53:14,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 11:53:14,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 11:53:14,921 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 76 [2018-11-10 11:53:14,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:53:14,921 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 11:53:14,921 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 11:53:14,921 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 11:53:14,922 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 11:53:14,924 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-10 11:53:20,405 WARN L179 SmtUtils]: Spent 5.44 s on a formula simplification that was a NOOP. DAG size: 36 [2018-11-10 11:53:27,275 WARN L179 SmtUtils]: Spent 6.86 s on a formula simplification that was a NOOP. DAG size: 36 [2018-11-10 11:53:27,279 INFO L425 ceAbstractionStarter]: For program point isnan_floatFINAL(line 13) no Hoare annotation was computed. [2018-11-10 11:53:27,279 INFO L428 ceAbstractionStarter]: At program point isnan_floatENTRY(line 13) the Hoare annotation is: true [2018-11-10 11:53:27,279 INFO L425 ceAbstractionStarter]: For program point isnan_floatEXIT(line 13) no Hoare annotation was computed. [2018-11-10 11:53:27,279 INFO L425 ceAbstractionStarter]: For program point L60(line 60) no Hoare annotation was computed. [2018-11-10 11:53:27,279 INFO L425 ceAbstractionStarter]: For program point L60-1(line 60) no Hoare annotation was computed. [2018-11-10 11:53:27,279 INFO L425 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-10 11:53:27,279 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-10 11:53:27,279 INFO L425 ceAbstractionStarter]: For program point L85-1(line 85) no Hoare annotation was computed. [2018-11-10 11:53:27,279 INFO L425 ceAbstractionStarter]: For program point L85-2(line 85) no Hoare annotation was computed. [2018-11-10 11:53:27,279 INFO L425 ceAbstractionStarter]: For program point L52-2(line 52) no Hoare annotation was computed. [2018-11-10 11:53:27,279 INFO L425 ceAbstractionStarter]: For program point L85-3(line 85) no Hoare annotation was computed. [2018-11-10 11:53:27,279 INFO L425 ceAbstractionStarter]: For program point L44(line 44) no Hoare annotation was computed. [2018-11-10 11:53:27,279 INFO L425 ceAbstractionStarter]: For program point L44-1(line 44) no Hoare annotation was computed. [2018-11-10 11:53:27,279 INFO L425 ceAbstractionStarter]: For program point L44-2(line 44) no Hoare annotation was computed. [2018-11-10 11:53:27,279 INFO L425 ceAbstractionStarter]: For program point L102(lines 102 106) no Hoare annotation was computed. [2018-11-10 11:53:27,279 INFO L425 ceAbstractionStarter]: For program point L102-2(lines 95 108) no Hoare annotation was computed. [2018-11-10 11:53:27,279 INFO L425 ceAbstractionStarter]: For program point L102-3(lines 102 106) no Hoare annotation was computed. [2018-11-10 11:53:27,279 INFO L425 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-10 11:53:27,279 INFO L425 ceAbstractionStarter]: For program point L61-1(line 61) no Hoare annotation was computed. [2018-11-10 11:53:27,280 INFO L425 ceAbstractionStarter]: For program point L86(line 86) no Hoare annotation was computed. [2018-11-10 11:53:27,280 INFO L425 ceAbstractionStarter]: For program point L53(lines 53 54) no Hoare annotation was computed. [2018-11-10 11:53:27,280 INFO L425 ceAbstractionStarter]: For program point L78(lines 78 81) no Hoare annotation was computed. [2018-11-10 11:53:27,280 INFO L425 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-10 11:53:27,280 INFO L425 ceAbstractionStarter]: For program point L70(lines 70 73) no Hoare annotation was computed. [2018-11-10 11:53:27,280 INFO L425 ceAbstractionStarter]: For program point L103-1(line 103) no Hoare annotation was computed. [2018-11-10 11:53:27,280 INFO L425 ceAbstractionStarter]: For program point L103-2(line 103) no Hoare annotation was computed. [2018-11-10 11:53:27,280 INFO L425 ceAbstractionStarter]: For program point L70-2(lines 58 73) no Hoare annotation was computed. [2018-11-10 11:53:27,280 INFO L425 ceAbstractionStarter]: For program point L103-3(line 103) no Hoare annotation was computed. [2018-11-10 11:53:27,280 INFO L425 ceAbstractionStarter]: For program point L87(line 87) no Hoare annotation was computed. [2018-11-10 11:53:27,280 INFO L425 ceAbstractionStarter]: For program point L87-1(line 87) no Hoare annotation was computed. [2018-11-10 11:53:27,280 INFO L425 ceAbstractionStarter]: For program point L87-2(line 87) no Hoare annotation was computed. [2018-11-10 11:53:27,280 INFO L425 ceAbstractionStarter]: For program point __ieee754_expfEXIT(lines 36 109) no Hoare annotation was computed. [2018-11-10 11:53:27,280 INFO L425 ceAbstractionStarter]: For program point L104(line 104) no Hoare annotation was computed. [2018-11-10 11:53:27,280 INFO L425 ceAbstractionStarter]: For program point L71(lines 71 72) no Hoare annotation was computed. [2018-11-10 11:53:27,280 INFO L428 ceAbstractionStarter]: At program point __ieee754_expfENTRY(lines 36 109) the Hoare annotation is: true [2018-11-10 11:53:27,280 INFO L425 ceAbstractionStarter]: For program point L55(lines 55 56) no Hoare annotation was computed. [2018-11-10 11:53:27,280 INFO L425 ceAbstractionStarter]: For program point __ieee754_expfFINAL(lines 36 109) no Hoare annotation was computed. [2018-11-10 11:53:27,280 INFO L425 ceAbstractionStarter]: For program point L105(line 105) no Hoare annotation was computed. [2018-11-10 11:53:27,280 INFO L425 ceAbstractionStarter]: For program point L105-1(line 105) no Hoare annotation was computed. [2018-11-10 11:53:27,280 INFO L425 ceAbstractionStarter]: For program point L105-2(line 105) no Hoare annotation was computed. [2018-11-10 11:53:27,280 INFO L425 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-10 11:53:27,281 INFO L425 ceAbstractionStarter]: For program point L97-1(lines 97 101) no Hoare annotation was computed. [2018-11-10 11:53:27,281 INFO L425 ceAbstractionStarter]: For program point L64-1(line 64) no Hoare annotation was computed. [2018-11-10 11:53:27,281 INFO L421 ceAbstractionStarter]: At program point L97-3(lines 97 101) the Hoare annotation is: (let ((.cse0 (= (fp ((_ extract 31 31) __ieee754_expf_~sx~0) ((_ extract 30 23) __ieee754_expf_~sx~0) ((_ extract 22 0) __ieee754_expf_~sx~0)) |__ieee754_expf_#in~x|)) (.cse1 (exists ((__ieee754_expf_~sx~0 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_expf_~sx~0) ((_ extract 30 23) __ieee754_expf_~sx~0) ((_ extract 22 0) __ieee754_expf_~sx~0)) |__ieee754_expf_#in~x|) (= (bvand __ieee754_expf_~sx~0 (_ bv2147483647 32)) __ieee754_expf_~hx~0))))) (or (and (exists ((|v___ieee754_expf_#t~mem5_4| (_ FloatingPoint 8 24))) (not (= ((_ fp.to_sbv 32) RTZ (fp.add RNE (fp.mul RNE ~invln2_exp~0 |__ieee754_expf_#in~x|) |v___ieee754_expf_#t~mem5_4|)) (_ bv0 32)))) .cse0 .cse1) (exists ((__ieee754_expf_~sx~0 (_ BitVec 32))) (and (not (bvugt (bvand __ieee754_expf_~sx~0 (_ bv2147483647 32)) (_ bv1051816472 32))) (= (fp ((_ extract 31 31) __ieee754_expf_~sx~0) ((_ extract 30 23) __ieee754_expf_~sx~0) ((_ extract 22 0) __ieee754_expf_~sx~0)) |__ieee754_expf_#in~x|))) (and (exists ((__ieee754_expf_~sx~0 (_ BitVec 32))) (and (bvult (bvand __ieee754_expf_~sx~0 (_ bv2147483647 32)) (_ bv1065686418 32)) (= (fp ((_ extract 31 31) __ieee754_expf_~sx~0) ((_ extract 30 23) __ieee754_expf_~sx~0) ((_ extract 22 0) __ieee754_expf_~sx~0)) |__ieee754_expf_#in~x|))) .cse0 .cse1))) [2018-11-10 11:53:27,281 INFO L425 ceAbstractionStarter]: For program point L89(lines 89 93) no Hoare annotation was computed. [2018-11-10 11:53:27,281 INFO L425 ceAbstractionStarter]: For program point L89-2(lines 82 95) no Hoare annotation was computed. [2018-11-10 11:53:27,281 INFO L425 ceAbstractionStarter]: For program point L89-3(lines 89 93) no Hoare annotation was computed. [2018-11-10 11:53:27,281 INFO L425 ceAbstractionStarter]: For program point L98(line 98) no Hoare annotation was computed. [2018-11-10 11:53:27,281 INFO L425 ceAbstractionStarter]: For program point L98-1(line 98) no Hoare annotation was computed. [2018-11-10 11:53:27,281 INFO L425 ceAbstractionStarter]: For program point L98-2(line 98) no Hoare annotation was computed. [2018-11-10 11:53:27,282 INFO L425 ceAbstractionStarter]: For program point L98-3(line 98) no Hoare annotation was computed. [2018-11-10 11:53:27,282 INFO L425 ceAbstractionStarter]: For program point L90(line 90) no Hoare annotation was computed. [2018-11-10 11:53:27,282 INFO L425 ceAbstractionStarter]: For program point L90-1(line 90) no Hoare annotation was computed. [2018-11-10 11:53:27,282 INFO L425 ceAbstractionStarter]: For program point L90-2(line 90) no Hoare annotation was computed. [2018-11-10 11:53:27,282 INFO L425 ceAbstractionStarter]: For program point L90-3(line 90) no Hoare annotation was computed. [2018-11-10 11:53:27,282 INFO L425 ceAbstractionStarter]: For program point L82(lines 82 108) no Hoare annotation was computed. [2018-11-10 11:53:27,282 INFO L425 ceAbstractionStarter]: For program point L49(lines 49 50) no Hoare annotation was computed. [2018-11-10 11:53:27,282 INFO L425 ceAbstractionStarter]: For program point L41-1(lines 41 45) no Hoare annotation was computed. [2018-11-10 11:53:27,282 INFO L421 ceAbstractionStarter]: At program point L41-3(lines 41 45) the Hoare annotation is: (= |__ieee754_expf_#in~x| __ieee754_expf_~x) [2018-11-10 11:53:27,282 INFO L425 ceAbstractionStarter]: For program point L41-4(lines 41 45) no Hoare annotation was computed. [2018-11-10 11:53:27,282 INFO L425 ceAbstractionStarter]: For program point L99(line 99) no Hoare annotation was computed. [2018-11-10 11:53:27,282 INFO L425 ceAbstractionStarter]: For program point L66(line 66) no Hoare annotation was computed. [2018-11-10 11:53:27,282 INFO L425 ceAbstractionStarter]: For program point L66-1(line 66) no Hoare annotation was computed. [2018-11-10 11:53:27,283 INFO L425 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-10 11:53:27,283 INFO L425 ceAbstractionStarter]: For program point L58(lines 58 73) no Hoare annotation was computed. [2018-11-10 11:53:27,283 INFO L425 ceAbstractionStarter]: For program point L42(line 42) no Hoare annotation was computed. [2018-11-10 11:53:27,283 INFO L425 ceAbstractionStarter]: For program point L42-1(line 42) no Hoare annotation was computed. [2018-11-10 11:53:27,283 INFO L425 ceAbstractionStarter]: For program point L42-2(line 42) no Hoare annotation was computed. [2018-11-10 11:53:27,283 INFO L425 ceAbstractionStarter]: For program point L42-3(line 42) no Hoare annotation was computed. [2018-11-10 11:53:27,283 INFO L425 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-10 11:53:27,283 INFO L425 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-10 11:53:27,283 INFO L425 ceAbstractionStarter]: For program point L100-1(line 100) no Hoare annotation was computed. [2018-11-10 11:53:27,283 INFO L425 ceAbstractionStarter]: For program point L67-1(line 67) no Hoare annotation was computed. [2018-11-10 11:53:27,283 INFO L425 ceAbstractionStarter]: For program point L100-2(line 100) no Hoare annotation was computed. [2018-11-10 11:53:27,283 INFO L425 ceAbstractionStarter]: For program point L92(line 92) no Hoare annotation was computed. [2018-11-10 11:53:27,283 INFO L425 ceAbstractionStarter]: For program point L59(lines 59 68) no Hoare annotation was computed. [2018-11-10 11:53:27,284 INFO L425 ceAbstractionStarter]: For program point L92-1(line 92) no Hoare annotation was computed. [2018-11-10 11:53:27,284 INFO L425 ceAbstractionStarter]: For program point L92-2(line 92) no Hoare annotation was computed. [2018-11-10 11:53:27,284 INFO L425 ceAbstractionStarter]: For program point L59-2(lines 59 68) no Hoare annotation was computed. [2018-11-10 11:53:27,284 INFO L425 ceAbstractionStarter]: For program point L51(lines 51 52) no Hoare annotation was computed. [2018-11-10 11:53:27,284 INFO L425 ceAbstractionStarter]: For program point L84-1(lines 84 88) no Hoare annotation was computed. [2018-11-10 11:53:27,284 INFO L421 ceAbstractionStarter]: At program point L84-3(lines 84 88) the Hoare annotation is: (let ((.cse0 (= (fp ((_ extract 31 31) __ieee754_expf_~sx~0) ((_ extract 30 23) __ieee754_expf_~sx~0) ((_ extract 22 0) __ieee754_expf_~sx~0)) |__ieee754_expf_#in~x|)) (.cse1 (exists ((__ieee754_expf_~sx~0 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_expf_~sx~0) ((_ extract 30 23) __ieee754_expf_~sx~0) ((_ extract 22 0) __ieee754_expf_~sx~0)) |__ieee754_expf_#in~x|) (= (bvand __ieee754_expf_~sx~0 (_ bv2147483647 32)) __ieee754_expf_~hx~0))))) (or (and (exists ((|v___ieee754_expf_#t~mem5_4| (_ FloatingPoint 8 24))) (not (= ((_ fp.to_sbv 32) RTZ (fp.add RNE (fp.mul RNE ~invln2_exp~0 |__ieee754_expf_#in~x|) |v___ieee754_expf_#t~mem5_4|)) (_ bv0 32)))) .cse0 .cse1) (exists ((__ieee754_expf_~sx~0 (_ BitVec 32))) (and (not (bvugt (bvand __ieee754_expf_~sx~0 (_ bv2147483647 32)) (_ bv1051816472 32))) (= (fp ((_ extract 31 31) __ieee754_expf_~sx~0) ((_ extract 30 23) __ieee754_expf_~sx~0) ((_ extract 22 0) __ieee754_expf_~sx~0)) |__ieee754_expf_#in~x|))) (and (exists ((__ieee754_expf_~sx~0 (_ BitVec 32))) (and (bvult (bvand __ieee754_expf_~sx~0 (_ bv2147483647 32)) (_ bv1065686418 32)) (= (fp ((_ extract 31 31) __ieee754_expf_~sx~0) ((_ extract 30 23) __ieee754_expf_~sx~0) ((_ extract 22 0) __ieee754_expf_~sx~0)) |__ieee754_expf_#in~x|))) .cse0 .cse1))) [2018-11-10 11:53:27,284 INFO L425 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-10 11:53:27,284 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-10 11:53:27,284 INFO L425 ceAbstractionStarter]: For program point L15(lines 15 34) no Hoare annotation was computed. [2018-11-10 11:53:27,284 INFO L425 ceAbstractionStarter]: For program point L15-1(lines 15 34) no Hoare annotation was computed. [2018-11-10 11:53:27,284 INFO L425 ceAbstractionStarter]: For program point L15-2(lines 15 34) no Hoare annotation was computed. [2018-11-10 11:53:27,285 INFO L425 ceAbstractionStarter]: For program point L15-3(lines 15 34) no Hoare annotation was computed. [2018-11-10 11:53:27,285 INFO L425 ceAbstractionStarter]: For program point L15-4(lines 15 34) no Hoare annotation was computed. [2018-11-10 11:53:27,285 INFO L425 ceAbstractionStarter]: For program point L15-5(lines 15 34) no Hoare annotation was computed. [2018-11-10 11:53:27,285 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-10 11:53:27,285 INFO L425 ceAbstractionStarter]: For program point L15-6(lines 15 34) no Hoare annotation was computed. [2018-11-10 11:53:27,285 INFO L425 ceAbstractionStarter]: For program point L15-7(lines 15 34) no Hoare annotation was computed. [2018-11-10 11:53:27,285 INFO L425 ceAbstractionStarter]: For program point L15-8(lines 15 34) no Hoare annotation was computed. [2018-11-10 11:53:27,285 INFO L425 ceAbstractionStarter]: For program point L15-9(lines 15 34) no Hoare annotation was computed. [2018-11-10 11:53:27,285 INFO L425 ceAbstractionStarter]: For program point L15-10(lines 15 34) no Hoare annotation was computed. [2018-11-10 11:53:27,285 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 11:53:27,285 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 11:53:27,286 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-10 11:53:27,286 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 11:53:27,286 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 11:53:27,286 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 111 126) the Hoare annotation is: true [2018-11-10 11:53:27,286 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 111 126) no Hoare annotation was computed. [2018-11-10 11:53:27,286 INFO L425 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-10 11:53:27,286 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 111 126) no Hoare annotation was computed. [2018-11-10 11:53:27,286 INFO L421 ceAbstractionStarter]: At program point L120(line 120) the Hoare annotation is: (= (fp.div RNE (_ +zero 8 24) (_ +zero 8 24)) main_~x~0) [2018-11-10 11:53:27,286 INFO L425 ceAbstractionStarter]: For program point L120-1(lines 120 123) no Hoare annotation was computed. [2018-11-10 11:53:27,286 INFO L421 ceAbstractionStarter]: At program point L117(line 117) the Hoare annotation is: (= (fp.div RNE (_ +zero 8 24) (_ +zero 8 24)) main_~x~0) [2018-11-10 11:53:27,287 INFO L425 ceAbstractionStarter]: For program point L117-1(line 117) no Hoare annotation was computed. [2018-11-10 11:53:27,287 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 121) no Hoare annotation was computed. [2018-11-10 11:53:27,294 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RTZ [2018-11-10 11:53:27,294 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 11:53:27,295 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 11:53:27,295 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_expf_#t~mem5_4,QUANTIFIED] [2018-11-10 11:53:27,295 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,295 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,296 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,296 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,296 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,296 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,296 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,296 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,296 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,297 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,297 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,297 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,297 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,297 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,297 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,297 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,300 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RTZ [2018-11-10 11:53:27,301 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 11:53:27,301 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 11:53:27,301 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_expf_#t~mem5_4,QUANTIFIED] [2018-11-10 11:53:27,301 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,302 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,302 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,302 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,302 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,302 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,302 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,302 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,303 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,303 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,303 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,303 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,303 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,303 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,303 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,304 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,305 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RTZ [2018-11-10 11:53:27,305 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 11:53:27,305 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 11:53:27,305 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_expf_#t~mem5_4,QUANTIFIED] [2018-11-10 11:53:27,305 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,305 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,305 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,306 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,306 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,306 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,306 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,306 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,306 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,306 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,307 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,307 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,307 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,307 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,307 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,307 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,308 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RTZ [2018-11-10 11:53:27,308 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 11:53:27,308 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 11:53:27,308 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_expf_#t~mem5_4,QUANTIFIED] [2018-11-10 11:53:27,309 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,309 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,309 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,309 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,309 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,309 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,309 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,310 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,310 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,310 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,310 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,310 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,310 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,311 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,311 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,311 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 11:53:27 BoogieIcfgContainer [2018-11-10 11:53:27,313 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 11:53:27,313 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 11:53:27,313 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 11:53:27,313 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 11:53:27,314 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:51:33" (3/4) ... [2018-11-10 11:53:27,317 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 11:53:27,323 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_float [2018-11-10 11:53:27,323 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_expf [2018-11-10 11:53:27,323 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 11:53:27,323 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 11:53:27,327 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 39 nodes and edges [2018-11-10 11:53:27,328 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-11-10 11:53:27,328 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-10 11:53:27,328 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-10 11:53:27,328 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-10 11:53:27,344 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-11-10 11:53:27,345 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\exists v___ieee754_expf_#t~mem5_4 : C_FLOAT :: !(~convertFLOATToINT(RoundingMode_RTZ, ~fp.add~FLOAT(RoundingMode_RNE, ~fp.mul~FLOAT(RoundingMode_RNE, invln2_exp, \old(x)), v___ieee754_expf_#t~mem5_4)) == 0bv32)) && ~fp~LONGDOUBLE(sx[31:31], sx[30:23], sx[22:0]) == \old(x)) && (\exists __ieee754_expf_~sx~0 : bv32 :: ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x) && ~bvand32(__ieee754_expf_~sx~0, 2147483647bv32) == hx)) || (\exists __ieee754_expf_~sx~0 : bv32 :: !~bvugt32(~bvand32(__ieee754_expf_~sx~0, 2147483647bv32), 1051816472bv32) && ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x))) || (((\exists __ieee754_expf_~sx~0 : bv32 :: ~bvult32(~bvand32(__ieee754_expf_~sx~0, 2147483647bv32), 1065686418bv32) && ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x)) && ~fp~LONGDOUBLE(sx[31:31], sx[30:23], sx[22:0]) == \old(x)) && (\exists __ieee754_expf_~sx~0 : bv32 :: ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x) && ~bvand32(__ieee754_expf_~sx~0, 2147483647bv32) == hx)) [2018-11-10 11:53:27,345 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\exists v___ieee754_expf_#t~mem5_4 : C_FLOAT :: !(~convertFLOATToINT(RoundingMode_RTZ, ~fp.add~FLOAT(RoundingMode_RNE, ~fp.mul~FLOAT(RoundingMode_RNE, invln2_exp, \old(x)), v___ieee754_expf_#t~mem5_4)) == 0bv32)) && ~fp~LONGDOUBLE(sx[31:31], sx[30:23], sx[22:0]) == \old(x)) && (\exists __ieee754_expf_~sx~0 : bv32 :: ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x) && ~bvand32(__ieee754_expf_~sx~0, 2147483647bv32) == hx)) || (\exists __ieee754_expf_~sx~0 : bv32 :: !~bvugt32(~bvand32(__ieee754_expf_~sx~0, 2147483647bv32), 1051816472bv32) && ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x))) || (((\exists __ieee754_expf_~sx~0 : bv32 :: ~bvult32(~bvand32(__ieee754_expf_~sx~0, 2147483647bv32), 1065686418bv32) && ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x)) && ~fp~LONGDOUBLE(sx[31:31], sx[30:23], sx[22:0]) == \old(x)) && (\exists __ieee754_expf_~sx~0 : bv32 :: ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x) && ~bvand32(__ieee754_expf_~sx~0, 2147483647bv32) == hx)) [2018-11-10 11:53:27,365 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_22bf0d3e-9312-43f3-851f-3b06946d26d2/bin-2019/uautomizer/witness.graphml [2018-11-10 11:53:27,365 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 11:53:27,366 INFO L168 Benchmark]: Toolchain (without parser) took 121909.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 195.6 MB). Free memory was 949.7 MB in the beginning and 1.0 GB in the end (delta: -79.7 MB). Peak memory consumption was 115.9 MB. Max. memory is 11.5 GB. [2018-11-10 11:53:27,367 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 11:53:27,367 INFO L168 Benchmark]: CACSL2BoogieTranslator took 229.80 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 933.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-10 11:53:27,367 INFO L168 Benchmark]: Boogie Preprocessor took 36.71 ms. Allocated memory is still 1.0 GB. Free memory was 933.6 MB in the beginning and 928.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 11:53:27,367 INFO L168 Benchmark]: RCFGBuilder took 8039.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 928.3 MB in the beginning and 1.1 GB in the end (delta: -150.7 MB). Peak memory consumption was 16.3 MB. Max. memory is 11.5 GB. [2018-11-10 11:53:27,368 INFO L168 Benchmark]: TraceAbstraction took 113547.30 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 63.4 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 42.0 MB). Peak memory consumption was 105.5 MB. Max. memory is 11.5 GB. [2018-11-10 11:53:27,368 INFO L168 Benchmark]: Witness Printer took 52.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 11.5 GB. [2018-11-10 11:53:27,369 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 229.80 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 933.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 36.71 ms. Allocated memory is still 1.0 GB. Free memory was 933.6 MB in the beginning and 928.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 8039.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 928.3 MB in the beginning and 1.1 GB in the end (delta: -150.7 MB). Peak memory consumption was 16.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 113547.30 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 63.4 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 42.0 MB). Peak memory consumption was 105.5 MB. Max. memory is 11.5 GB. * Witness Printer took 52.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RTZ - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_expf_#t~mem5_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RTZ - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_expf_#t~mem5_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RTZ - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_expf_#t~mem5_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RTZ - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_expf_#t~mem5_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~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: 97]: Loop Invariant [2018-11-10 11:53:27,373 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RTZ [2018-11-10 11:53:27,373 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 11:53:27,374 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 11:53:27,374 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_expf_#t~mem5_4,QUANTIFIED] [2018-11-10 11:53:27,374 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,374 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,374 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,374 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,374 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,374 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,375 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,375 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,375 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,375 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,375 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,375 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,375 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,375 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,375 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,376 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,376 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RTZ [2018-11-10 11:53:27,376 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 11:53:27,377 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 11:53:27,377 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_expf_#t~mem5_4,QUANTIFIED] [2018-11-10 11:53:27,377 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,377 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,377 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,377 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,377 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,377 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,377 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,378 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,378 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,378 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,378 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,378 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,378 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,378 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,378 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,379 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] Derived loop invariant: ((((\exists v___ieee754_expf_#t~mem5_4 : C_FLOAT :: !(~convertFLOATToINT(RoundingMode_RTZ, ~fp.add~FLOAT(RoundingMode_RNE, ~fp.mul~FLOAT(RoundingMode_RNE, invln2_exp, \old(x)), v___ieee754_expf_#t~mem5_4)) == 0bv32)) && ~fp~LONGDOUBLE(sx[31:31], sx[30:23], sx[22:0]) == \old(x)) && (\exists __ieee754_expf_~sx~0 : bv32 :: ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x) && ~bvand32(__ieee754_expf_~sx~0, 2147483647bv32) == hx)) || (\exists __ieee754_expf_~sx~0 : bv32 :: !~bvugt32(~bvand32(__ieee754_expf_~sx~0, 2147483647bv32), 1051816472bv32) && ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x))) || (((\exists __ieee754_expf_~sx~0 : bv32 :: ~bvult32(~bvand32(__ieee754_expf_~sx~0, 2147483647bv32), 1065686418bv32) && ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x)) && ~fp~LONGDOUBLE(sx[31:31], sx[30:23], sx[22:0]) == \old(x)) && (\exists __ieee754_expf_~sx~0 : bv32 :: ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x) && ~bvand32(__ieee754_expf_~sx~0, 2147483647bv32) == hx)) - InvariantResult [Line: 41]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 84]: Loop Invariant [2018-11-10 11:53:27,379 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RTZ [2018-11-10 11:53:27,379 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 11:53:27,380 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 11:53:27,380 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_expf_#t~mem5_4,QUANTIFIED] [2018-11-10 11:53:27,380 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,380 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,380 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,380 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,380 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,380 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,381 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,381 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,381 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,381 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,381 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,381 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,381 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,381 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,381 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,382 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,382 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RTZ [2018-11-10 11:53:27,382 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 11:53:27,382 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 11:53:27,382 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_expf_#t~mem5_4,QUANTIFIED] [2018-11-10 11:53:27,383 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,383 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,383 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,383 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,383 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,383 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,383 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,383 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,383 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,384 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,384 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,384 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,384 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,384 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,384 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 11:53:27,384 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] Derived loop invariant: ((((\exists v___ieee754_expf_#t~mem5_4 : C_FLOAT :: !(~convertFLOATToINT(RoundingMode_RTZ, ~fp.add~FLOAT(RoundingMode_RNE, ~fp.mul~FLOAT(RoundingMode_RNE, invln2_exp, \old(x)), v___ieee754_expf_#t~mem5_4)) == 0bv32)) && ~fp~LONGDOUBLE(sx[31:31], sx[30:23], sx[22:0]) == \old(x)) && (\exists __ieee754_expf_~sx~0 : bv32 :: ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x) && ~bvand32(__ieee754_expf_~sx~0, 2147483647bv32) == hx)) || (\exists __ieee754_expf_~sx~0 : bv32 :: !~bvugt32(~bvand32(__ieee754_expf_~sx~0, 2147483647bv32), 1051816472bv32) && ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x))) || (((\exists __ieee754_expf_~sx~0 : bv32 :: ~bvult32(~bvand32(__ieee754_expf_~sx~0, 2147483647bv32), 1065686418bv32) && ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x)) && ~fp~LONGDOUBLE(sx[31:31], sx[30:23], sx[22:0]) == \old(x)) && (\exists __ieee754_expf_~sx~0 : bv32 :: ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x) && ~bvand32(__ieee754_expf_~sx~0, 2147483647bv32) == hx)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 110 locations, 1 error locations. SAFE Result, 113.4s OverallTime, 7 OverallIterations, 1 TraceHistogramMax, 74.3s AutomataDifference, 0.0s DeadEndRemovalTime, 12.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 674 SDtfs, 657 SDslu, 2906 SDs, 0 SdLazy, 596 SolverSat, 11 SolverUnsat, 11 SolverUnknown, 0 SolverNotchecked, 59.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 369 GetRequests, 292 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 34.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=110occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 7 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 17 PreInvPairs, 27 NumberOfFragments, 219 HoareAnnotationTreeSize, 17 FomulaSimplifications, 74 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 12.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 3.4s SatisfiabilityAnalysisTime, 22.9s InterpolantComputationTime, 342 NumberOfCodeBlocks, 342 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 335 ConstructedInterpolants, 67 QuantifiedInterpolants, 103118 SizeOfPredicates, 42 NumberOfNonLiveVariables, 1004 ConjunctsInSsa, 59 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...