./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0971_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_7e8c3f01-6a52-4d98-ad30-424087ca48f9/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7e8c3f01-6a52-4d98-ad30-424087ca48f9/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7e8c3f01-6a52-4d98-ad30-424087ca48f9/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7e8c3f01-6a52-4d98-ad30-424087ca48f9/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0971_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_7e8c3f01-6a52-4d98-ad30-424087ca48f9/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7e8c3f01-6a52-4d98-ad30-424087ca48f9/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 6017db04fd0c3d76a17184976602c114f74dffa4 ........................................................................................................................................................................................................................................................................................................................... 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_7e8c3f01-6a52-4d98-ad30-424087ca48f9/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7e8c3f01-6a52-4d98-ad30-424087ca48f9/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7e8c3f01-6a52-4d98-ad30-424087ca48f9/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7e8c3f01-6a52-4d98-ad30-424087ca48f9/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0971_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_7e8c3f01-6a52-4d98-ad30-424087ca48f9/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7e8c3f01-6a52-4d98-ad30-424087ca48f9/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 6017db04fd0c3d76a17184976602c114f74dffa4 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 01:17:45,976 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 01:17:45,977 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 01:17:45,985 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 01:17:45,986 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 01:17:45,986 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 01:17:45,987 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 01:17:45,988 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 01:17:45,989 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 01:17:45,990 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 01:17:45,990 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 01:17:45,990 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 01:17:45,991 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 01:17:45,991 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 01:17:45,992 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 01:17:45,993 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 01:17:45,993 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 01:17:45,994 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 01:17:45,995 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 01:17:45,996 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 01:17:45,997 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 01:17:45,998 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 01:17:45,999 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 01:17:46,000 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 01:17:46,000 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 01:17:46,000 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 01:17:46,001 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 01:17:46,001 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 01:17:46,002 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 01:17:46,003 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 01:17:46,003 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 01:17:46,003 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 01:17:46,003 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 01:17:46,003 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 01:17:46,004 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 01:17:46,004 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 01:17:46,005 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7e8c3f01-6a52-4d98-ad30-424087ca48f9/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-10 01:17:46,014 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 01:17:46,014 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 01:17:46,015 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 01:17:46,015 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 01:17:46,015 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 01:17:46,015 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 01:17:46,015 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 01:17:46,016 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 01:17:46,016 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 01:17:46,016 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 01:17:46,016 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 01:17:46,016 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 01:17:46,016 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 01:17:46,016 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 01:17:46,016 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 01:17:46,017 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 01:17:46,017 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 01:17:46,017 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 01:17:46,017 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 01:17:46,017 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 01:17:46,017 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 01:17:46,017 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 01:17:46,017 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 01:17:46,018 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 01:17:46,018 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 01:17:46,018 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 01:17:46,018 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 01:17:46,018 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 01:17:46,018 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 01:17:46,018 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_7e8c3f01-6a52-4d98-ad30-424087ca48f9/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 -> 6017db04fd0c3d76a17184976602c114f74dffa4 [2018-11-10 01:17:46,040 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 01:17:46,049 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 01:17:46,052 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 01:17:46,053 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 01:17:46,054 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 01:17:46,054 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7e8c3f01-6a52-4d98-ad30-424087ca48f9/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0971_true-unreach-call.c [2018-11-10 01:17:46,099 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7e8c3f01-6a52-4d98-ad30-424087ca48f9/bin-2019/uautomizer/data/59049c9e2/3488b5e036e945c192e1cefc2e1fd300/FLAG8e2f88986 [2018-11-10 01:17:46,438 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 01:17:46,439 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7e8c3f01-6a52-4d98-ad30-424087ca48f9/sv-benchmarks/c/float-newlib/float_req_bl_0971_true-unreach-call.c [2018-11-10 01:17:46,445 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7e8c3f01-6a52-4d98-ad30-424087ca48f9/bin-2019/uautomizer/data/59049c9e2/3488b5e036e945c192e1cefc2e1fd300/FLAG8e2f88986 [2018-11-10 01:17:46,456 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7e8c3f01-6a52-4d98-ad30-424087ca48f9/bin-2019/uautomizer/data/59049c9e2/3488b5e036e945c192e1cefc2e1fd300 [2018-11-10 01:17:46,458 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 01:17:46,459 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-10 01:17:46,460 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 01:17:46,460 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 01:17:46,463 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 01:17:46,464 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:17:46" (1/1) ... [2018-11-10 01:17:46,466 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60ce7209 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:17:46, skipping insertion in model container [2018-11-10 01:17:46,466 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:17:46" (1/1) ... [2018-11-10 01:17:46,474 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 01:17:46,496 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 01:17:46,635 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 01:17:46,638 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 01:17:46,662 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 01:17:46,675 INFO L193 MainTranslator]: Completed translation [2018-11-10 01:17:46,675 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:17:46 WrapperNode [2018-11-10 01:17:46,675 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 01:17:46,675 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 01:17:46,676 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 01:17:46,676 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 01:17:46,683 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:17:46" (1/1) ... [2018-11-10 01:17:46,683 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:17:46" (1/1) ... [2018-11-10 01:17:46,691 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:17:46" (1/1) ... [2018-11-10 01:17:46,692 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:17:46" (1/1) ... [2018-11-10 01:17:46,699 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:17:46" (1/1) ... [2018-11-10 01:17:46,746 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:17:46" (1/1) ... [2018-11-10 01:17:46,748 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:17:46" (1/1) ... [2018-11-10 01:17:46,751 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 01:17:46,751 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 01:17:46,751 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 01:17:46,751 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 01:17:46,752 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:17:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7e8c3f01-6a52-4d98-ad30-424087ca48f9/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 01:17:46,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 01:17:46,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 01:17:46,784 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_logf [2018-11-10 01:17:46,784 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log10f [2018-11-10 01:17:46,784 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-11-10 01:17:46,784 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 01:17:46,784 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-10 01:17:46,784 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_logf [2018-11-10 01:17:46,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 01:17:46,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-10 01:17:46,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-10 01:17:46,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-10 01:17:46,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-10 01:17:46,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-10 01:17:46,785 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log10f [2018-11-10 01:17:46,785 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-11-10 01:17:46,785 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 01:17:46,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 01:17:46,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 01:17:46,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-11-10 01:17:46,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-10 01:17:47,075 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 01:17:47,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:17:47 BoogieIcfgContainer [2018-11-10 01:17:47,076 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 01:17:47,076 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 01:17:47,076 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 01:17:47,079 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 01:17:47,079 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 01:17:46" (1/3) ... [2018-11-10 01:17:47,080 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@332c911a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 01:17:47, skipping insertion in model container [2018-11-10 01:17:47,080 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:17:46" (2/3) ... [2018-11-10 01:17:47,080 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@332c911a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 01:17:47, skipping insertion in model container [2018-11-10 01:17:47,080 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:17:47" (3/3) ... [2018-11-10 01:17:47,083 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0971_true-unreach-call.c [2018-11-10 01:17:47,089 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 01:17:47,094 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 01:17:47,103 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 01:17:47,126 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 01:17:47,127 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 01:17:47,127 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 01:17:47,127 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 01:17:47,127 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 01:17:47,127 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 01:17:47,127 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 01:17:47,127 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 01:17:47,127 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 01:17:47,140 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states. [2018-11-10 01:17:47,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 01:17:47,144 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 01:17:47,144 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 01:17:47,146 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 01:17:47,149 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 01:17:47,149 INFO L82 PathProgramCache]: Analyzing trace with hash -939730018, now seen corresponding path program 1 times [2018-11-10 01:17:47,151 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 01:17:47,151 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 01:17:47,186 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 01:17:47,187 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 01:17:47,187 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 01:17:47,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:17:47,258 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 01:17:47,260 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 01:17:47,260 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 01:17:47,263 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-10 01:17:47,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-10 01:17:47,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 01:17:47,272 INFO L87 Difference]: Start difference. First operand 108 states. Second operand 2 states. [2018-11-10 01:17:47,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 01:17:47,291 INFO L93 Difference]: Finished difference Result 208 states and 263 transitions. [2018-11-10 01:17:47,292 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 01:17:47,292 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 21 [2018-11-10 01:17:47,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 01:17:47,299 INFO L225 Difference]: With dead ends: 208 [2018-11-10 01:17:47,299 INFO L226 Difference]: Without dead ends: 104 [2018-11-10 01:17:47,302 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 01:17:47,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2018-11-10 01:17:47,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2018-11-10 01:17:47,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2018-11-10 01:17:47,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 118 transitions. [2018-11-10 01:17:47,338 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 118 transitions. Word has length 21 [2018-11-10 01:17:47,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 01:17:47,338 INFO L481 AbstractCegarLoop]: Abstraction has 104 states and 118 transitions. [2018-11-10 01:17:47,338 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-10 01:17:47,338 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 118 transitions. [2018-11-10 01:17:47,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-10 01:17:47,339 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 01:17:47,339 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 01:17:47,340 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 01:17:47,340 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 01:17:47,340 INFO L82 PathProgramCache]: Analyzing trace with hash 1979325046, now seen corresponding path program 1 times [2018-11-10 01:17:47,340 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 01:17:47,340 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 01:17:47,341 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 01:17:47,341 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 01:17:47,341 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 01:17:47,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 01:17:47,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 01:17:47,413 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-10 01:17:47,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 01:17:47 BoogieIcfgContainer [2018-11-10 01:17:47,448 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 01:17:47,448 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 01:17:47,448 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 01:17:47,448 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 01:17:47,449 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:17:47" (3/4) ... [2018-11-10 01:17:47,452 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 01:17:47,452 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 01:17:47,453 INFO L168 Benchmark]: Toolchain (without parser) took 994.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.3 MB). Free memory was 954.8 MB in the beginning and 1.1 GB in the end (delta: -129.3 MB). Peak memory consumption was 29.0 MB. Max. memory is 11.5 GB. [2018-11-10 01:17:47,454 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 01:17:47,455 INFO L168 Benchmark]: CACSL2BoogieTranslator took 215.52 ms. Allocated memory is still 1.0 GB. Free memory was 954.8 MB in the beginning and 937.7 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 11.5 GB. [2018-11-10 01:17:47,455 INFO L168 Benchmark]: Boogie Preprocessor took 75.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.3 MB). Free memory was 937.7 MB in the beginning and 1.2 GB in the end (delta: -218.4 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. [2018-11-10 01:17:47,456 INFO L168 Benchmark]: RCFGBuilder took 324.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. [2018-11-10 01:17:47,456 INFO L168 Benchmark]: TraceAbstraction took 371.82 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: 37.1 MB). Peak memory consumption was 37.1 MB. Max. memory is 11.5 GB. [2018-11-10 01:17:47,457 INFO L168 Benchmark]: Witness Printer took 3.99 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 01:17:47,459 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 215.52 ms. Allocated memory is still 1.0 GB. Free memory was 954.8 MB in the beginning and 937.7 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 75.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.3 MB). Free memory was 937.7 MB in the beginning and 1.2 GB in the end (delta: -218.4 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 324.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 371.82 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: 37.1 MB). Peak memory consumption was 37.1 MB. Max. memory is 11.5 GB. * Witness Printer took 3.99 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 158]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 144, overapproximation of someBinaryArithmeticFLOAToperation at line 116, overapproximation of bitwiseAnd at line 115. Possible FailurePath: [L11-L15] static const float ln2_hi_log = 6.9313812256e-01, ln2_lo_log = 9.0580006145e-06, two25_log = 3.355443200e+07, Lg1_log = 6.6666668653e-01, Lg2_log = 4.0000000596e-01, Lg3_log = 2.8571429849e-01, Lg4_log = 2.2222198546e-01, Lg5_log = 1.8183572590e-01, Lg6_log = 1.5313838422e-01, Lg7_log = 1.4798198640e-01; [L17] static const float zero_log = 0.0; [L97-L100] static const float two25_log10 = 3.3554432000e+07, ivln10_log10 = 4.3429449201e-01, log10_2hi_log10 = 3.0102920532e-01, log10_2lo_log10 = 7.9034151668e-07; [L102] static const float zero = 0.0; VAL [\old(ivln10_log10)=6442450947, \old(Lg1_log)=6442450963, \old(Lg2_log)=6442450966, \old(Lg3_log)=6442450946, \old(Lg4_log)=6442450951, \old(Lg5_log)=6442450952, \old(Lg6_log)=6442450961, \old(Lg7_log)=6442450958, \old(ln2_hi_log)=6442450949, \old(ln2_lo_log)=6442450953, \old(log10_2hi_log10)=6442450956, \old(log10_2lo_log10)=6442450960, \old(two25_log)=6442450957, \old(two25_log10)=6442450959, \old(zero)=6442450964, \old(zero_log)=6442450955, ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L153] float x = 0.0f / 0.0f; VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L154] CALL, EXPR __ieee754_log10f(x) VAL [\old(x)=6442450962, ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L105] float y, z; [L106] __int32_t i, k, hx; VAL [\old(x)=6442450962, ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, x=6442450962, zero=0, zero_log=0] [L109] FCALL ieee_float_shape_type gf_u; VAL [\old(x)=6442450962, gf_u={6442450965:0}, ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, x=6442450962, zero=0, zero_log=0] [L110] FCALL gf_u.value = (x) VAL [\old(x)=6442450962, gf_u={6442450965:0}, ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, x=6442450962, zero=0, zero_log=0] [L111] EXPR, FCALL gf_u.word VAL [\old(x)=6442450962, gf_u={6442450965:0}, gf_u.word=6442450944, ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, x=6442450962, zero=0, zero_log=0] [L111] (hx) = gf_u.word VAL [(hx) = gf_u.word=6442450950, \old(x)=6442450962, gf_u={6442450965:0}, gf_u.word=6442450944, hx=-2147483648, ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, x=6442450962, zero=0, zero_log=0] [L112] COND FALSE !(0) VAL [\old(x)=6442450962, hx=-2147483648, ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, x=6442450962, zero=0, zero_log=0] [L114] k = 0 VAL [\old(x)=6442450962, hx=-2147483648, ivln10_log10=43429449201/100000000000, k=0, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, x=6442450962, zero=0, zero_log=0] [L115] COND TRUE ((hx & 0x7fffffff) == 0) [L116] RET return -two25_log10 / zero; VAL [\old(x)=6442450962, hx=-2147483648, ivln10_log10=43429449201/100000000000, k=0, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, x=6442450962, zero=0, zero_log=0] [L154] EXPR __ieee754_log10f(x) VAL [__ieee754_log10f(x)=6442450945, ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, x=6442450962, zero=0, zero_log=0] [L154] float res = __ieee754_log10f(x); [L157] CALL, EXPR isnan_float(res) VAL [\old(x)=6442450945, ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L144] RET return x != x; VAL [\old(x)=6442450945, \result=0, ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, x=6442450945, zero=0, zero_log=0] [L157] EXPR isnan_float(res) VAL [isnan_float(res)=0, ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, res=6442450945, two25_log=33554432, two25_log10=33554432, x=6442450962, zero=0, zero_log=0] [L157] COND TRUE !isnan_float(res) [L158] __VERIFIER_error() VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, res=6442450945, two25_log=33554432, two25_log10=33554432, x=6442450962, zero=0, zero_log=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 108 locations, 1 error locations. UNSAFE Result, 0.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 122 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=108occurred 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, 51 NumberOfCodeBlocks, 51 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 400 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 01:17:48,837 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 01:17:48,838 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 01:17:48,847 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 01:17:48,847 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 01:17:48,848 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 01:17:48,849 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 01:17:48,850 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 01:17:48,851 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 01:17:48,851 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 01:17:48,852 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 01:17:48,852 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 01:17:48,852 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 01:17:48,854 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 01:17:48,854 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 01:17:48,855 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 01:17:48,855 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 01:17:48,856 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 01:17:48,858 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 01:17:48,859 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 01:17:48,860 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 01:17:48,861 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 01:17:48,863 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 01:17:48,863 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 01:17:48,863 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 01:17:48,864 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 01:17:48,865 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 01:17:48,865 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 01:17:48,866 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 01:17:48,866 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 01:17:48,866 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 01:17:48,867 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 01:17:48,867 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 01:17:48,867 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 01:17:48,868 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 01:17:48,868 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 01:17:48,868 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7e8c3f01-6a52-4d98-ad30-424087ca48f9/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-10 01:17:48,879 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 01:17:48,879 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 01:17:48,880 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 01:17:48,880 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 01:17:48,881 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 01:17:48,881 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 01:17:48,881 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 01:17:48,882 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 01:17:48,882 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 01:17:48,882 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 01:17:48,882 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 01:17:48,882 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 01:17:48,882 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 01:17:48,882 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 01:17:48,882 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 01:17:48,883 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 01:17:48,883 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 01:17:48,883 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 01:17:48,883 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 01:17:48,883 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 01:17:48,883 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 01:17:48,883 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 01:17:48,883 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 01:17:48,884 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 01:17:48,884 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 01:17:48,884 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 01:17:48,884 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 01:17:48,884 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-10 01:17:48,884 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 01:17:48,884 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 01:17:48,884 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 01:17:48,887 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_7e8c3f01-6a52-4d98-ad30-424087ca48f9/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 -> 6017db04fd0c3d76a17184976602c114f74dffa4 [2018-11-10 01:17:48,917 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 01:17:48,926 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 01:17:48,929 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 01:17:48,930 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 01:17:48,930 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 01:17:48,931 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7e8c3f01-6a52-4d98-ad30-424087ca48f9/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0971_true-unreach-call.c [2018-11-10 01:17:48,974 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7e8c3f01-6a52-4d98-ad30-424087ca48f9/bin-2019/uautomizer/data/7fa8c05e1/88ee9489c59c42b7b8b8c2a1b13f17e3/FLAG419b16394 [2018-11-10 01:17:49,377 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 01:17:49,377 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7e8c3f01-6a52-4d98-ad30-424087ca48f9/sv-benchmarks/c/float-newlib/float_req_bl_0971_true-unreach-call.c [2018-11-10 01:17:49,382 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7e8c3f01-6a52-4d98-ad30-424087ca48f9/bin-2019/uautomizer/data/7fa8c05e1/88ee9489c59c42b7b8b8c2a1b13f17e3/FLAG419b16394 [2018-11-10 01:17:49,390 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7e8c3f01-6a52-4d98-ad30-424087ca48f9/bin-2019/uautomizer/data/7fa8c05e1/88ee9489c59c42b7b8b8c2a1b13f17e3 [2018-11-10 01:17:49,392 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 01:17:49,393 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-10 01:17:49,394 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 01:17:49,394 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 01:17:49,397 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 01:17:49,398 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:17:49" (1/1) ... [2018-11-10 01:17:49,400 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d68c770 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:17:49, skipping insertion in model container [2018-11-10 01:17:49,400 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:17:49" (1/1) ... [2018-11-10 01:17:49,408 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 01:17:49,429 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 01:17:49,576 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 01:17:49,581 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 01:17:49,613 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 01:17:49,630 INFO L193 MainTranslator]: Completed translation [2018-11-10 01:17:49,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:17:49 WrapperNode [2018-11-10 01:17:49,631 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 01:17:49,631 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 01:17:49,631 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 01:17:49,632 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 01:17:49,643 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:17:49" (1/1) ... [2018-11-10 01:17:49,643 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:17:49" (1/1) ... [2018-11-10 01:17:49,654 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:17:49" (1/1) ... [2018-11-10 01:17:49,655 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:17:49" (1/1) ... [2018-11-10 01:17:49,666 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:17:49" (1/1) ... [2018-11-10 01:17:49,672 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:17:49" (1/1) ... [2018-11-10 01:17:49,674 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:17:49" (1/1) ... [2018-11-10 01:17:49,678 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 01:17:49,678 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 01:17:49,678 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 01:17:49,678 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 01:17:49,679 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:17:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7e8c3f01-6a52-4d98-ad30-424087ca48f9/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 01:17:49,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 01:17:49,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 01:17:49,752 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_logf [2018-11-10 01:17:49,752 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log10f [2018-11-10 01:17:49,752 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-11-10 01:17:49,752 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 01:17:49,753 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-10 01:17:49,753 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_logf [2018-11-10 01:17:49,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 01:17:49,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-11-10 01:17:49,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-10 01:17:49,753 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-10 01:17:49,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-10 01:17:49,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-11-10 01:17:49,753 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log10f [2018-11-10 01:17:49,754 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-11-10 01:17:49,754 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 01:17:49,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 01:17:49,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 01:17:49,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-11-10 01:17:49,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2018-11-10 01:17:49,902 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 01:17:49,908 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 01:17:51,380 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 01:17:51,386 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 01:18:03,706 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 01:18:03,712 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 01:18:04,470 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 01:18:04,476 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 01:18:05,396 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 01:18:05,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:18:05 BoogieIcfgContainer [2018-11-10 01:18:05,397 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 01:18:05,397 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 01:18:05,397 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 01:18:05,400 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 01:18:05,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 01:17:49" (1/3) ... [2018-11-10 01:18:05,400 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ed466f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 01:18:05, skipping insertion in model container [2018-11-10 01:18:05,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:17:49" (2/3) ... [2018-11-10 01:18:05,401 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ed466f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 01:18:05, skipping insertion in model container [2018-11-10 01:18:05,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:18:05" (3/3) ... [2018-11-10 01:18:05,404 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0971_true-unreach-call.c [2018-11-10 01:18:05,411 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 01:18:05,417 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 01:18:05,428 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 01:18:05,453 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 01:18:05,454 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 01:18:05,454 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 01:18:05,454 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 01:18:05,455 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 01:18:05,455 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 01:18:05,455 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 01:18:05,455 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 01:18:05,455 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 01:18:05,470 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states. [2018-11-10 01:18:05,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-10 01:18:05,476 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 01:18:05,477 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] [2018-11-10 01:18:05,479 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 01:18:05,483 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 01:18:05,484 INFO L82 PathProgramCache]: Analyzing trace with hash 1720378954, now seen corresponding path program 1 times [2018-11-10 01:18:05,487 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 01:18:05,487 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7e8c3f01-6a52-4d98-ad30-424087ca48f9/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 01:18:05,492 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 01:18:05,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:18:05,765 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 01:18:05,779 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 01:18:05,779 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 01:18:05,792 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 01:18:05,792 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 01:18:05,795 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-10 01:18:05,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-10 01:18:05,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 01:18:05,807 INFO L87 Difference]: Start difference. First operand 107 states. Second operand 2 states. [2018-11-10 01:18:05,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 01:18:05,835 INFO L93 Difference]: Finished difference Result 206 states and 261 transitions. [2018-11-10 01:18:05,835 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 01:18:05,836 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 20 [2018-11-10 01:18:05,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 01:18:05,845 INFO L225 Difference]: With dead ends: 206 [2018-11-10 01:18:05,845 INFO L226 Difference]: Without dead ends: 103 [2018-11-10 01:18:05,849 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 19 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 01:18:05,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2018-11-10 01:18:05,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2018-11-10 01:18:05,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2018-11-10 01:18:05,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 117 transitions. [2018-11-10 01:18:05,886 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 117 transitions. Word has length 20 [2018-11-10 01:18:05,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 01:18:05,886 INFO L481 AbstractCegarLoop]: Abstraction has 103 states and 117 transitions. [2018-11-10 01:18:05,887 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-10 01:18:05,887 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 117 transitions. [2018-11-10 01:18:05,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-10 01:18:05,888 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 01:18:05,888 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] [2018-11-10 01:18:05,888 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 01:18:05,889 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 01:18:05,889 INFO L82 PathProgramCache]: Analyzing trace with hash -1235805169, now seen corresponding path program 1 times [2018-11-10 01:18:05,889 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 01:18:05,889 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7e8c3f01-6a52-4d98-ad30-424087ca48f9/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 01:18:05,893 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 01:18:06,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:18:06,129 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 01:18:06,174 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 01:18:06,177 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 01:18:06,178 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 01:18:06,181 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 01:18:06,190 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 01:18:06,191 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-11-10 01:18:06,213 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 01:18:06,217 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 01:18:06,217 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 01:18:06,220 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 01:18:06,222 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 01:18:06,223 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-11-10 01:18:06,289 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 01:18:06,290 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 01:18:06,299 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 01:18:06,299 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-10 01:18:06,300 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-10 01:18:06,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-10 01:18:06,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-10 01:18:06,301 INFO L87 Difference]: Start difference. First operand 103 states and 117 transitions. Second operand 8 states. [2018-11-10 01:18:08,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 01:18:08,186 INFO L93 Difference]: Finished difference Result 121 states and 134 transitions. [2018-11-10 01:18:08,187 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-10 01:18:08,187 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 29 [2018-11-10 01:18:08,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 01:18:08,189 INFO L225 Difference]: With dead ends: 121 [2018-11-10 01:18:08,189 INFO L226 Difference]: Without dead ends: 111 [2018-11-10 01:18:08,190 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2018-11-10 01:18:08,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2018-11-10 01:18:08,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 103. [2018-11-10 01:18:08,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2018-11-10 01:18:08,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 116 transitions. [2018-11-10 01:18:08,196 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 116 transitions. Word has length 29 [2018-11-10 01:18:08,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 01:18:08,196 INFO L481 AbstractCegarLoop]: Abstraction has 103 states and 116 transitions. [2018-11-10 01:18:08,196 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-10 01:18:08,196 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 116 transitions. [2018-11-10 01:18:08,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-10 01:18:08,197 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 01:18:08,197 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 01:18:08,197 INFO L424 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 01:18:08,197 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 01:18:08,197 INFO L82 PathProgramCache]: Analyzing trace with hash -92564816, now seen corresponding path program 1 times [2018-11-10 01:18:08,198 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 01:18:08,198 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7e8c3f01-6a52-4d98-ad30-424087ca48f9/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 01:18:08,201 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 01:18:08,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:18:08,405 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 01:18:08,889 WARN L179 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-11-10 01:18:09,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:18:09,013 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 01:18:09,026 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 01:18:09,026 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-10 01:18:09,026 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-10 01:18:09,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-10 01:18:09,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2018-11-10 01:18:09,027 INFO L87 Difference]: Start difference. First operand 103 states and 116 transitions. Second operand 10 states. [2018-11-10 01:18:09,996 WARN L179 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-11-10 01:18:12,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 01:18:12,794 INFO L93 Difference]: Finished difference Result 118 states and 131 transitions. [2018-11-10 01:18:12,795 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-10 01:18:12,795 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 30 [2018-11-10 01:18:12,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 01:18:12,796 INFO L225 Difference]: With dead ends: 118 [2018-11-10 01:18:12,796 INFO L226 Difference]: Without dead ends: 111 [2018-11-10 01:18:12,798 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2018-11-10 01:18:12,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2018-11-10 01:18:12,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 103. [2018-11-10 01:18:12,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2018-11-10 01:18:12,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 115 transitions. [2018-11-10 01:18:12,808 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 115 transitions. Word has length 30 [2018-11-10 01:18:12,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 01:18:12,808 INFO L481 AbstractCegarLoop]: Abstraction has 103 states and 115 transitions. [2018-11-10 01:18:12,808 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-10 01:18:12,808 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 115 transitions. [2018-11-10 01:18:12,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-10 01:18:12,809 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 01:18:12,809 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 01:18:12,809 INFO L424 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 01:18:12,810 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 01:18:12,810 INFO L82 PathProgramCache]: Analyzing trace with hash 202093739, now seen corresponding path program 1 times [2018-11-10 01:18:12,810 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 01:18:12,810 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7e8c3f01-6a52-4d98-ad30-424087ca48f9/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 01:18:12,814 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 01:18:12,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:18:12,881 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 01:18:13,202 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 01:18:13,203 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 01:18:13,210 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 01:18:13,210 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-10 01:18:13,211 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-10 01:18:13,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-10 01:18:13,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-10 01:18:13,211 INFO L87 Difference]: Start difference. First operand 103 states and 115 transitions. Second operand 9 states. [2018-11-10 01:18:13,637 WARN L179 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-11-10 01:18:16,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 01:18:16,732 INFO L93 Difference]: Finished difference Result 116 states and 128 transitions. [2018-11-10 01:18:16,733 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-10 01:18:16,733 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 31 [2018-11-10 01:18:16,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 01:18:16,734 INFO L225 Difference]: With dead ends: 116 [2018-11-10 01:18:16,734 INFO L226 Difference]: Without dead ends: 109 [2018-11-10 01:18:16,734 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-11-10 01:18:16,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2018-11-10 01:18:16,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 103. [2018-11-10 01:18:16,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2018-11-10 01:18:16,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 114 transitions. [2018-11-10 01:18:16,741 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 114 transitions. Word has length 31 [2018-11-10 01:18:16,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 01:18:16,741 INFO L481 AbstractCegarLoop]: Abstraction has 103 states and 114 transitions. [2018-11-10 01:18:16,741 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-10 01:18:16,741 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 114 transitions. [2018-11-10 01:18:16,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-10 01:18:16,743 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 01:18:16,744 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] [2018-11-10 01:18:16,744 INFO L424 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 01:18:16,744 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 01:18:16,744 INFO L82 PathProgramCache]: Analyzing trace with hash -509399455, now seen corresponding path program 1 times [2018-11-10 01:18:16,744 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 01:18:16,745 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7e8c3f01-6a52-4d98-ad30-424087ca48f9/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 01:18:16,748 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 01:18:17,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:18:17,142 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 01:18:17,157 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 01:18:17,159 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 01:18:17,159 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 01:18:17,162 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 01:18:17,168 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 01:18:17,168 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-11-10 01:18:17,180 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 01:18:17,183 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 01:18:17,183 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 01:18:17,185 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 01:18:17,187 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 01:18:17,187 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-11-10 01:18:17,263 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 01:18:17,263 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 01:18:17,273 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 01:18:17,274 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-10 01:18:17,274 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-10 01:18:17,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-10 01:18:17,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2018-11-10 01:18:17,274 INFO L87 Difference]: Start difference. First operand 103 states and 114 transitions. Second operand 9 states. [2018-11-10 01:18:18,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 01:18:18,042 INFO L93 Difference]: Finished difference Result 109 states and 120 transitions. [2018-11-10 01:18:18,042 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-10 01:18:18,042 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 60 [2018-11-10 01:18:18,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 01:18:18,043 INFO L225 Difference]: With dead ends: 109 [2018-11-10 01:18:18,043 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 01:18:18,044 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=71, Invalid=235, Unknown=0, NotChecked=0, Total=306 [2018-11-10 01:18:18,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 01:18:18,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 01:18:18,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 01:18:18,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 01:18:18,045 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 60 [2018-11-10 01:18:18,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 01:18:18,045 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 01:18:18,045 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-10 01:18:18,045 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 01:18:18,045 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 01:18:18,049 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-10 01:18:18,292 INFO L425 ceAbstractionStarter]: For program point isnan_floatFINAL(line 144) no Hoare annotation was computed. [2018-11-10 01:18:18,293 INFO L428 ceAbstractionStarter]: At program point isnan_floatENTRY(line 144) the Hoare annotation is: true [2018-11-10 01:18:18,293 INFO L425 ceAbstractionStarter]: For program point isnan_floatEXIT(line 144) no Hoare annotation was computed. [2018-11-10 01:18:18,293 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-10 01:18:18,293 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-10 01:18:18,293 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 01:18:18,293 INFO L425 ceAbstractionStarter]: For program point L36(lines 36 44) no Hoare annotation was computed. [2018-11-10 01:18:18,293 INFO L425 ceAbstractionStarter]: For program point L36-1(lines 36 44) no Hoare annotation was computed. [2018-11-10 01:18:18,293 INFO L428 ceAbstractionStarter]: At program point __ieee754_logfENTRY(lines 19 95) the Hoare annotation is: true [2018-11-10 01:18:18,293 INFO L425 ceAbstractionStarter]: For program point __ieee754_logfFINAL(lines 19 95) no Hoare annotation was computed. [2018-11-10 01:18:18,293 INFO L425 ceAbstractionStarter]: For program point L30(lines 30 31) no Hoare annotation was computed. [2018-11-10 01:18:18,294 INFO L425 ceAbstractionStarter]: For program point L55(lines 55 71) no Hoare annotation was computed. [2018-11-10 01:18:18,294 INFO L425 ceAbstractionStarter]: For program point L39-1(lines 39 43) no Hoare annotation was computed. [2018-11-10 01:18:18,294 INFO L428 ceAbstractionStarter]: At program point L39-3(lines 39 43) the Hoare annotation is: true [2018-11-10 01:18:18,294 INFO L425 ceAbstractionStarter]: For program point L56(lines 56 63) no Hoare annotation was computed. [2018-11-10 01:18:18,294 INFO L425 ceAbstractionStarter]: For program point L23-1(lines 23 27) no Hoare annotation was computed. [2018-11-10 01:18:18,294 INFO L428 ceAbstractionStarter]: At program point L23-3(lines 23 27) the Hoare annotation is: true [2018-11-10 01:18:18,294 INFO L425 ceAbstractionStarter]: For program point L23-4(lines 23 27) no Hoare annotation was computed. [2018-11-10 01:18:18,294 INFO L425 ceAbstractionStarter]: For program point L48-1(lines 48 52) no Hoare annotation was computed. [2018-11-10 01:18:18,294 INFO L428 ceAbstractionStarter]: At program point L48-3(lines 48 52) the Hoare annotation is: true [2018-11-10 01:18:18,294 INFO L425 ceAbstractionStarter]: For program point L48-4(lines 48 52) no Hoare annotation was computed. [2018-11-10 01:18:18,294 INFO L425 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-10 01:18:18,294 INFO L425 ceAbstractionStarter]: For program point L40-1(line 40) no Hoare annotation was computed. [2018-11-10 01:18:18,295 INFO L425 ceAbstractionStarter]: For program point L40-2(line 40) no Hoare annotation was computed. [2018-11-10 01:18:18,295 INFO L425 ceAbstractionStarter]: For program point L40-3(line 40) no Hoare annotation was computed. [2018-11-10 01:18:18,295 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 70) no Hoare annotation was computed. [2018-11-10 01:18:18,295 INFO L425 ceAbstractionStarter]: For program point L32(lines 32 33) no Hoare annotation was computed. [2018-11-10 01:18:18,295 INFO L425 ceAbstractionStarter]: For program point L90(lines 90 93) no Hoare annotation was computed. [2018-11-10 01:18:18,295 INFO L425 ceAbstractionStarter]: For program point L57(lines 57 62) no Hoare annotation was computed. [2018-11-10 01:18:18,295 INFO L425 ceAbstractionStarter]: For program point L24(line 24) no Hoare annotation was computed. [2018-11-10 01:18:18,295 INFO L425 ceAbstractionStarter]: For program point L24-1(line 24) no Hoare annotation was computed. [2018-11-10 01:18:18,295 INFO L425 ceAbstractionStarter]: For program point L24-2(line 24) no Hoare annotation was computed. [2018-11-10 01:18:18,295 INFO L425 ceAbstractionStarter]: For program point L24-3(line 24) no Hoare annotation was computed. [2018-11-10 01:18:18,295 INFO L425 ceAbstractionStarter]: For program point L82(lines 82 94) no Hoare annotation was computed. [2018-11-10 01:18:18,295 INFO L425 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-10 01:18:18,295 INFO L425 ceAbstractionStarter]: For program point L49-1(line 49) no Hoare annotation was computed. [2018-11-10 01:18:18,295 INFO L425 ceAbstractionStarter]: For program point L49-2(line 49) no Hoare annotation was computed. [2018-11-10 01:18:18,296 INFO L425 ceAbstractionStarter]: For program point L49-3(line 49) no Hoare annotation was computed. [2018-11-10 01:18:18,296 INFO L425 ceAbstractionStarter]: For program point L41(line 41) no Hoare annotation was computed. [2018-11-10 01:18:18,296 INFO L425 ceAbstractionStarter]: For program point __ieee754_logfEXIT(lines 19 95) no Hoare annotation was computed. [2018-11-10 01:18:18,296 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-10 01:18:18,296 INFO L425 ceAbstractionStarter]: For program point L50(line 50) no Hoare annotation was computed. [2018-11-10 01:18:18,296 INFO L425 ceAbstractionStarter]: For program point L42(line 42) no Hoare annotation was computed. [2018-11-10 01:18:18,296 INFO L425 ceAbstractionStarter]: For program point L42-1(line 42) no Hoare annotation was computed. [2018-11-10 01:18:18,296 INFO L425 ceAbstractionStarter]: For program point L42-2(line 42) no Hoare annotation was computed. [2018-11-10 01:18:18,296 INFO L425 ceAbstractionStarter]: For program point L34(lines 34 35) no Hoare annotation was computed. [2018-11-10 01:18:18,296 INFO L425 ceAbstractionStarter]: For program point L26(line 26) no Hoare annotation was computed. [2018-11-10 01:18:18,296 INFO L425 ceAbstractionStarter]: For program point L26-1(line 26) no Hoare annotation was computed. [2018-11-10 01:18:18,296 INFO L425 ceAbstractionStarter]: For program point L26-2(line 26) no Hoare annotation was computed. [2018-11-10 01:18:18,296 INFO L425 ceAbstractionStarter]: For program point L84(lines 84 88) no Hoare annotation was computed. [2018-11-10 01:18:18,296 INFO L425 ceAbstractionStarter]: For program point L51(line 51) no Hoare annotation was computed. [2018-11-10 01:18:18,297 INFO L425 ceAbstractionStarter]: For program point L51-1(line 51) no Hoare annotation was computed. [2018-11-10 01:18:18,297 INFO L425 ceAbstractionStarter]: For program point L51-2(line 51) no Hoare annotation was computed. [2018-11-10 01:18:18,297 INFO L425 ceAbstractionStarter]: For program point L126(line 126) no Hoare annotation was computed. [2018-11-10 01:18:18,297 INFO L425 ceAbstractionStarter]: For program point L110(line 110) no Hoare annotation was computed. [2018-11-10 01:18:18,297 INFO L425 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-10 01:18:18,297 INFO L425 ceAbstractionStarter]: For program point L135(line 135) no Hoare annotation was computed. [2018-11-10 01:18:18,297 INFO L425 ceAbstractionStarter]: For program point L135-1(line 135) no Hoare annotation was computed. [2018-11-10 01:18:18,297 INFO L425 ceAbstractionStarter]: For program point L135-2(line 135) no Hoare annotation was computed. [2018-11-10 01:18:18,297 INFO L425 ceAbstractionStarter]: For program point L135-3(line 135) no Hoare annotation was computed. [2018-11-10 01:18:18,297 INFO L425 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-10 01:18:18,297 INFO L425 ceAbstractionStarter]: For program point L127-1(line 127) no Hoare annotation was computed. [2018-11-10 01:18:18,297 INFO L425 ceAbstractionStarter]: For program point L127-2(line 127) no Hoare annotation was computed. [2018-11-10 01:18:18,297 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 120) no Hoare annotation was computed. [2018-11-10 01:18:18,298 INFO L425 ceAbstractionStarter]: For program point L115(lines 115 116) no Hoare annotation was computed. [2018-11-10 01:18:18,298 INFO L425 ceAbstractionStarter]: For program point L111(line 111) no Hoare annotation was computed. [2018-11-10 01:18:18,298 INFO L425 ceAbstractionStarter]: For program point L111-1(line 111) no Hoare annotation was computed. [2018-11-10 01:18:18,298 INFO L425 ceAbstractionStarter]: For program point L111-2(line 111) no Hoare annotation was computed. [2018-11-10 01:18:18,298 INFO L428 ceAbstractionStarter]: At program point __ieee754_log10fENTRY(lines 104 141) the Hoare annotation is: true [2018-11-10 01:18:18,298 INFO L425 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-10 01:18:18,298 INFO L425 ceAbstractionStarter]: For program point __ieee754_log10fEXIT(lines 104 141) no Hoare annotation was computed. [2018-11-10 01:18:18,298 INFO L425 ceAbstractionStarter]: For program point L124-1(lines 124 128) no Hoare annotation was computed. [2018-11-10 01:18:18,298 INFO L425 ceAbstractionStarter]: For program point __ieee754_log10fFINAL(lines 104 141) no Hoare annotation was computed. [2018-11-10 01:18:18,298 INFO L421 ceAbstractionStarter]: At program point L124-3(lines 124 128) the Hoare annotation is: (or (and (exists ((__ieee754_log10f_~hx~0 (_ BitVec 32))) (and (not (bvslt __ieee754_log10f_~hx~0 (_ bv0 32))) (= (fp ((_ extract 31 31) __ieee754_log10f_~hx~0) ((_ extract 30 23) __ieee754_log10f_~hx~0) ((_ extract 22 0) __ieee754_log10f_~hx~0)) |__ieee754_log10f_#in~x|) (bvslt __ieee754_log10f_~hx~0 (_ bv2139095040 32)))) (= (fp ((_ extract 31 31) __ieee754_log10f_~hx~0) ((_ extract 30 23) __ieee754_log10f_~hx~0) ((_ extract 22 0) __ieee754_log10f_~hx~0)) |__ieee754_log10f_#in~x|)) (not (= ((_ to_fp 8 24) RNE (_ +zero 11 53)) ~zero~0))) [2018-11-10 01:18:18,298 INFO L425 ceAbstractionStarter]: For program point L108-1(lines 108 112) no Hoare annotation was computed. [2018-11-10 01:18:18,299 INFO L421 ceAbstractionStarter]: At program point L108-3(lines 108 112) the Hoare annotation is: (or (= |__ieee754_log10f_#in~x| __ieee754_log10f_~x) (not (= ((_ to_fp 8 24) RNE (_ +zero 11 53)) ~zero~0))) [2018-11-10 01:18:18,299 INFO L425 ceAbstractionStarter]: For program point L137(line 137) no Hoare annotation was computed. [2018-11-10 01:18:18,299 INFO L425 ceAbstractionStarter]: For program point L108-4(lines 108 112) no Hoare annotation was computed. [2018-11-10 01:18:18,299 INFO L425 ceAbstractionStarter]: For program point L137-1(line 137) no Hoare annotation was computed. [2018-11-10 01:18:18,299 INFO L425 ceAbstractionStarter]: For program point L137-2(line 137) no Hoare annotation was computed. [2018-11-10 01:18:18,299 INFO L425 ceAbstractionStarter]: For program point L125(line 125) no Hoare annotation was computed. [2018-11-10 01:18:18,299 INFO L425 ceAbstractionStarter]: For program point L125-1(line 125) no Hoare annotation was computed. [2018-11-10 01:18:18,299 INFO L425 ceAbstractionStarter]: For program point L125-2(line 125) no Hoare annotation was computed. [2018-11-10 01:18:18,299 INFO L425 ceAbstractionStarter]: For program point L125-3(line 125) no Hoare annotation was computed. [2018-11-10 01:18:18,299 INFO L425 ceAbstractionStarter]: For program point L121(lines 121 129) no Hoare annotation was computed. [2018-11-10 01:18:18,299 INFO L425 ceAbstractionStarter]: For program point L121-1(lines 121 129) no Hoare annotation was computed. [2018-11-10 01:18:18,299 INFO L425 ceAbstractionStarter]: For program point L117(lines 117 118) no Hoare annotation was computed. [2018-11-10 01:18:18,299 INFO L425 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-10 01:18:18,299 INFO L425 ceAbstractionStarter]: For program point L109-1(line 109) no Hoare annotation was computed. [2018-11-10 01:18:18,300 INFO L425 ceAbstractionStarter]: For program point L109-2(line 109) no Hoare annotation was computed. [2018-11-10 01:18:18,300 INFO L425 ceAbstractionStarter]: For program point L109-3(line 109) no Hoare annotation was computed. [2018-11-10 01:18:18,300 INFO L425 ceAbstractionStarter]: For program point L134-1(lines 134 138) no Hoare annotation was computed. [2018-11-10 01:18:18,300 INFO L421 ceAbstractionStarter]: At program point L134-3(lines 134 138) the Hoare annotation is: (or (exists ((__ieee754_log10f_~hx~0 (_ BitVec 32))) (and (not (bvslt __ieee754_log10f_~hx~0 (_ bv0 32))) (= (fp ((_ extract 31 31) __ieee754_log10f_~hx~0) ((_ extract 30 23) __ieee754_log10f_~hx~0) ((_ extract 22 0) __ieee754_log10f_~hx~0)) |__ieee754_log10f_#in~x|) (bvslt __ieee754_log10f_~hx~0 (_ bv2139095040 32)))) (not (= ((_ to_fp 8 24) RNE (_ +zero 11 53)) ~zero~0))) [2018-11-10 01:18:18,300 INFO L421 ceAbstractionStarter]: At program point L134-4(lines 134 138) the Hoare annotation is: (or (exists ((__ieee754_log10f_~hx~0 (_ BitVec 32))) (and (not (bvslt __ieee754_log10f_~hx~0 (_ bv0 32))) (= (fp ((_ extract 31 31) __ieee754_log10f_~hx~0) ((_ extract 30 23) __ieee754_log10f_~hx~0) ((_ extract 22 0) __ieee754_log10f_~hx~0)) |__ieee754_log10f_#in~x|) (bvslt __ieee754_log10f_~hx~0 (_ bv2139095040 32)))) (not (= ((_ to_fp 8 24) RNE (_ +zero 11 53)) ~zero~0))) [2018-11-10 01:18:18,300 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 01:18:18,300 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (= ((_ to_fp 8 24) RNE (_ +zero 11 53)) ~zero~0) [2018-11-10 01:18:18,300 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 01:18:18,300 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 01:18:18,300 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 158) no Hoare annotation was computed. [2018-11-10 01:18:18,301 INFO L425 ceAbstractionStarter]: For program point L158(line 158) no Hoare annotation was computed. [2018-11-10 01:18:18,301 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 146 163) the Hoare annotation is: true [2018-11-10 01:18:18,301 INFO L421 ceAbstractionStarter]: At program point L157(line 157) the Hoare annotation is: (or (let ((.cse0 (fp.div RNE (_ +zero 8 24) (_ +zero 8 24)))) (and (= main_~res~0 (fp.add RNE .cse0 .cse0)) (= .cse0 main_~x~0))) (not (= ((_ to_fp 8 24) RNE (_ +zero 11 53)) ~zero~0))) [2018-11-10 01:18:18,301 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 146 163) no Hoare annotation was computed. [2018-11-10 01:18:18,301 INFO L425 ceAbstractionStarter]: For program point L157-1(lines 157 160) no Hoare annotation was computed. [2018-11-10 01:18:18,301 INFO L421 ceAbstractionStarter]: At program point L154(line 154) the Hoare annotation is: (or (= (fp.div RNE (_ +zero 8 24) (_ +zero 8 24)) main_~x~0) (not (= ((_ to_fp 8 24) RNE (_ +zero 11 53)) ~zero~0))) [2018-11-10 01:18:18,301 INFO L425 ceAbstractionStarter]: For program point L154-1(line 154) no Hoare annotation was computed. [2018-11-10 01:18:18,301 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 146 163) no Hoare annotation was computed. [2018-11-10 01:18:18,307 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-10 01:18:18,307 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-10 01:18:18,307 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-10 01:18:18,308 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-10 01:18:18,308 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-10 01:18:18,310 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 01:18:18,312 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-10 01:18:18,312 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-10 01:18:18,312 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-10 01:18:18,312 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-10 01:18:18,313 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-10 01:18:18,313 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 01:18:18,314 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 01:18:18,314 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 01:18:18,314 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-10 01:18:18,314 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-10 01:18:18,315 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-10 01:18:18,315 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-10 01:18:18,315 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-10 01:18:18,315 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 01:18:18,315 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-10 01:18:18,315 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-10 01:18:18,316 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-10 01:18:18,316 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-10 01:18:18,316 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-10 01:18:18,316 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 01:18:18,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 01:18:18 BoogieIcfgContainer [2018-11-10 01:18:18,317 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 01:18:18,318 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 01:18:18,318 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 01:18:18,318 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 01:18:18,318 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:18:05" (3/4) ... [2018-11-10 01:18:18,321 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 01:18:18,325 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_float [2018-11-10 01:18:18,325 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 01:18:18,325 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_logf [2018-11-10 01:18:18,325 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_log10f [2018-11-10 01:18:18,325 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 01:18:18,328 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 44 nodes and edges [2018-11-10 01:18:18,328 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-11-10 01:18:18,329 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-10 01:18:18,329 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-10 01:18:18,344 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, ~Pluszero~LONGDOUBLE()) == zero) [2018-11-10 01:18:18,344 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\exists __ieee754_log10f_~hx~0 : bv32 :: (!~bvslt32(__ieee754_log10f_~hx~0, 0bv32) && ~fp~LONGDOUBLE(__ieee754_log10f_~hx~0[31:31], __ieee754_log10f_~hx~0[30:23], __ieee754_log10f_~hx~0[22:0]) == \old(x)) && ~bvslt32(__ieee754_log10f_~hx~0, 2139095040bv32)) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == \old(x)) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, ~Pluszero~LONGDOUBLE()) == zero) [2018-11-10 01:18:18,344 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists __ieee754_log10f_~hx~0 : bv32 :: (!~bvslt32(__ieee754_log10f_~hx~0, 0bv32) && ~fp~LONGDOUBLE(__ieee754_log10f_~hx~0[31:31], __ieee754_log10f_~hx~0[30:23], __ieee754_log10f_~hx~0[22:0]) == \old(x)) && ~bvslt32(__ieee754_log10f_~hx~0, 2139095040bv32)) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, ~Pluszero~LONGDOUBLE()) == zero) [2018-11-10 01:18:18,370 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_7e8c3f01-6a52-4d98-ad30-424087ca48f9/bin-2019/uautomizer/witness.graphml [2018-11-10 01:18:18,370 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 01:18:18,370 INFO L168 Benchmark]: Toolchain (without parser) took 28977.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 187.7 MB). Free memory was 950.8 MB in the beginning and 1.2 GB in the end (delta: -208.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 01:18:18,371 INFO L168 Benchmark]: CDTParser took 0.15 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 01:18:18,371 INFO L168 Benchmark]: CACSL2BoogieTranslator took 237.27 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 934.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-10 01:18:18,372 INFO L168 Benchmark]: Boogie Preprocessor took 46.39 ms. Allocated memory is still 1.0 GB. Free memory was 934.7 MB in the beginning and 929.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 01:18:18,372 INFO L168 Benchmark]: RCFGBuilder took 15718.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.6 MB). Free memory was 929.3 MB in the beginning and 1.1 GB in the end (delta: -132.9 MB). Peak memory consumption was 16.2 MB. Max. memory is 11.5 GB. [2018-11-10 01:18:18,372 INFO L168 Benchmark]: TraceAbstraction took 12920.01 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 66.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -104.2 MB). Peak memory consumption was 281.5 MB. Max. memory is 11.5 GB. [2018-11-10 01:18:18,372 INFO L168 Benchmark]: Witness Printer took 52.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 11.5 GB. [2018-11-10 01:18:18,374 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 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 237.27 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 934.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 46.39 ms. Allocated memory is still 1.0 GB. Free memory was 934.7 MB in the beginning and 929.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 15718.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.6 MB). Free memory was 929.3 MB in the beginning and 1.1 GB in the end (delta: -132.9 MB). Peak memory consumption was 16.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 12920.01 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 66.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -104.2 MB). Peak memory consumption was 281.5 MB. Max. memory is 11.5 GB. * Witness Printer took 52.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - 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[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - 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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - 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[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 158]: 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: 48]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 134]: Loop Invariant [2018-11-10 01:18:18,377 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-10 01:18:18,377 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-10 01:18:18,377 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-10 01:18:18,378 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-10 01:18:18,378 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-10 01:18:18,378 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 01:18:18,378 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-10 01:18:18,378 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-10 01:18:18,378 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-10 01:18:18,378 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-10 01:18:18,379 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-10 01:18:18,379 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE Derived loop invariant: (\exists __ieee754_log10f_~hx~0 : bv32 :: (!~bvslt32(__ieee754_log10f_~hx~0, 0bv32) && ~fp~LONGDOUBLE(__ieee754_log10f_~hx~0[31:31], __ieee754_log10f_~hx~0[30:23], __ieee754_log10f_~hx~0[22:0]) == \old(x)) && ~bvslt32(__ieee754_log10f_~hx~0, 2139095040bv32)) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, ~Pluszero~LONGDOUBLE()) == zero) - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 108]: Loop Invariant [2018-11-10 01:18:18,379 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 01:18:18,379 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE Derived loop invariant: \old(x) == x || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, ~Pluszero~LONGDOUBLE()) == zero) - InvariantResult [Line: 124]: Loop Invariant [2018-11-10 01:18:18,379 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-10 01:18:18,380 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-10 01:18:18,380 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-10 01:18:18,380 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-10 01:18:18,380 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-10 01:18:18,380 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 01:18:18,380 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-10 01:18:18,381 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-10 01:18:18,381 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-10 01:18:18,381 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-10 01:18:18,381 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-10 01:18:18,381 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE Derived loop invariant: ((\exists __ieee754_log10f_~hx~0 : bv32 :: (!~bvslt32(__ieee754_log10f_~hx~0, 0bv32) && ~fp~LONGDOUBLE(__ieee754_log10f_~hx~0[31:31], __ieee754_log10f_~hx~0[30:23], __ieee754_log10f_~hx~0[22:0]) == \old(x)) && ~bvslt32(__ieee754_log10f_~hx~0, 2139095040bv32)) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == \old(x)) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, ~Pluszero~LONGDOUBLE()) == zero) - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 107 locations, 1 error locations. SAFE Result, 12.8s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 10.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 538 SDtfs, 220 SDslu, 2522 SDs, 0 SdLazy, 316 SolverSat, 19 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 7.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 189 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 2.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=107occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 22 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 16 LocationsWithAnnotation, 24 PreInvPairs, 34 NumberOfFragments, 148 HoareAnnotationTreeSize, 24 FomulaSimplifications, 86 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 16 FomulaSimplificationsInter, 140 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 170 NumberOfCodeBlocks, 170 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 165 ConstructedInterpolants, 18 QuantifiedInterpolants, 42606 SizeOfPredicates, 23 NumberOfNonLiveVariables, 584 ConjunctsInSsa, 41 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...