./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0260_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d263cc3c-2c49-4cac-854b-042d8f03cb8c/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d263cc3c-2c49-4cac-854b-042d8f03cb8c/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d263cc3c-2c49-4cac-854b-042d8f03cb8c/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d263cc3c-2c49-4cac-854b-042d8f03cb8c/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0260_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d263cc3c-2c49-4cac-854b-042d8f03cb8c/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d263cc3c-2c49-4cac-854b-042d8f03cb8c/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 f4df82ea580918989808f581f8b270f0b85e6120 ............................................................................................................................................................................................................................................................................................................................ 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_d263cc3c-2c49-4cac-854b-042d8f03cb8c/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d263cc3c-2c49-4cac-854b-042d8f03cb8c/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d263cc3c-2c49-4cac-854b-042d8f03cb8c/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d263cc3c-2c49-4cac-854b-042d8f03cb8c/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0260_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d263cc3c-2c49-4cac-854b-042d8f03cb8c/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d263cc3c-2c49-4cac-854b-042d8f03cb8c/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 f4df82ea580918989808f581f8b270f0b85e6120 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 21:25:54,233 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 21:25:54,234 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 21:25:54,242 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 21:25:54,242 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 21:25:54,243 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 21:25:54,243 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 21:25:54,244 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 21:25:54,246 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 21:25:54,246 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 21:25:54,247 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 21:25:54,247 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 21:25:54,248 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 21:25:54,248 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 21:25:54,249 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 21:25:54,250 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 21:25:54,250 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 21:25:54,251 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 21:25:54,253 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 21:25:54,254 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 21:25:54,255 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 21:25:54,255 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 21:25:54,257 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 21:25:54,257 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 21:25:54,257 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 21:25:54,258 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 21:25:54,259 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 21:25:54,259 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 21:25:54,260 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 21:25:54,260 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 21:25:54,261 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 21:25:54,261 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 21:25:54,261 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 21:25:54,261 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 21:25:54,262 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 21:25:54,262 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 21:25:54,262 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d263cc3c-2c49-4cac-854b-042d8f03cb8c/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-02 21:25:54,272 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 21:25:54,272 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 21:25:54,273 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 21:25:54,273 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 21:25:54,274 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 21:25:54,274 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 21:25:54,274 INFO L133 SettingsManager]: * Use SBE=true [2018-12-02 21:25:54,274 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 21:25:54,274 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 21:25:54,274 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 21:25:54,274 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 21:25:54,274 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 21:25:54,275 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 21:25:54,275 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 21:25:54,275 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 21:25:54,275 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 21:25:54,275 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 21:25:54,275 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 21:25:54,275 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 21:25:54,275 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 21:25:54,276 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 21:25:54,276 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 21:25:54,276 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 21:25:54,276 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 21:25:54,276 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 21:25:54,276 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 21:25:54,276 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 21:25:54,276 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-02 21:25:54,276 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 21:25:54,276 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 21:25:54,276 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_d263cc3c-2c49-4cac-854b-042d8f03cb8c/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 -> f4df82ea580918989808f581f8b270f0b85e6120 [2018-12-02 21:25:54,299 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 21:25:54,307 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 21:25:54,310 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 21:25:54,311 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 21:25:54,311 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 21:25:54,312 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d263cc3c-2c49-4cac-854b-042d8f03cb8c/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0260_true-unreach-call.c [2018-12-02 21:25:54,353 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d263cc3c-2c49-4cac-854b-042d8f03cb8c/bin-2019/uautomizer/data/e679c9197/4f3a76e66a794c39a7fb8e67e4965f92/FLAGe291282b8 [2018-12-02 21:25:54,777 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 21:25:54,777 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d263cc3c-2c49-4cac-854b-042d8f03cb8c/sv-benchmarks/c/float-newlib/float_req_bl_0260_true-unreach-call.c [2018-12-02 21:25:54,782 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d263cc3c-2c49-4cac-854b-042d8f03cb8c/bin-2019/uautomizer/data/e679c9197/4f3a76e66a794c39a7fb8e67e4965f92/FLAGe291282b8 [2018-12-02 21:25:54,790 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d263cc3c-2c49-4cac-854b-042d8f03cb8c/bin-2019/uautomizer/data/e679c9197/4f3a76e66a794c39a7fb8e67e4965f92 [2018-12-02 21:25:54,792 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 21:25:54,793 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 21:25:54,793 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 21:25:54,793 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 21:25:54,795 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 21:25:54,796 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:25:54" (1/1) ... [2018-12-02 21:25:54,797 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@325efab2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:25:54, skipping insertion in model container [2018-12-02 21:25:54,797 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:25:54" (1/1) ... [2018-12-02 21:25:54,801 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 21:25:54,815 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 21:25:54,923 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 21:25:54,926 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 21:25:54,951 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 21:25:54,994 INFO L195 MainTranslator]: Completed translation [2018-12-02 21:25:54,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:25:54 WrapperNode [2018-12-02 21:25:54,995 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 21:25:54,995 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 21:25:54,995 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 21:25:54,995 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 21:25:55,000 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:25:54" (1/1) ... [2018-12-02 21:25:55,008 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:25:54" (1/1) ... [2018-12-02 21:25:55,012 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 21:25:55,012 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 21:25:55,012 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 21:25:55,012 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 21:25:55,018 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:25:54" (1/1) ... [2018-12-02 21:25:55,018 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:25:54" (1/1) ... [2018-12-02 21:25:55,020 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:25:54" (1/1) ... [2018-12-02 21:25:55,020 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:25:54" (1/1) ... [2018-12-02 21:25:55,028 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:25:54" (1/1) ... [2018-12-02 21:25:55,034 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:25:54" (1/1) ... [2018-12-02 21:25:55,036 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:25:54" (1/1) ... [2018-12-02 21:25:55,038 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 21:25:55,039 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 21:25:55,039 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 21:25:55,039 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 21:25:55,040 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:25:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d263cc3c-2c49-4cac-854b-042d8f03cb8c/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 [2018-12-02 21:25:55,071 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 21:25:55,071 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 21:25:55,071 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_asinf [2018-12-02 21:25:55,071 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_asinf [2018-12-02 21:25:55,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-02 21:25:55,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-02 21:25:55,072 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-12-02 21:25:55,072 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-12-02 21:25:55,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 21:25:55,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 21:25:55,072 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-12-02 21:25:55,072 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-12-02 21:25:55,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-02 21:25:55,072 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 21:25:55,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 21:25:55,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 21:25:55,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-02 21:25:55,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 21:25:55,073 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-12-02 21:25:55,073 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-12-02 21:25:55,295 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 21:25:55,295 INFO L280 CfgBuilder]: Removed 16 assue(true) statements. [2018-12-02 21:25:55,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:25:55 BoogieIcfgContainer [2018-12-02 21:25:55,295 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 21:25:55,296 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 21:25:55,296 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 21:25:55,298 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 21:25:55,298 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 09:25:54" (1/3) ... [2018-12-02 21:25:55,298 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ccbcbf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 09:25:55, skipping insertion in model container [2018-12-02 21:25:55,298 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:25:54" (2/3) ... [2018-12-02 21:25:55,298 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ccbcbf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 09:25:55, skipping insertion in model container [2018-12-02 21:25:55,299 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:25:55" (3/3) ... [2018-12-02 21:25:55,300 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0260_true-unreach-call.c [2018-12-02 21:25:55,305 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 21:25:55,310 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 21:25:55,319 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 21:25:55,337 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 21:25:55,337 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 21:25:55,337 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 21:25:55,337 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 21:25:55,337 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 21:25:55,337 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 21:25:55,337 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 21:25:55,337 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 21:25:55,338 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 21:25:55,348 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states. [2018-12-02 21:25:55,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-02 21:25:55,352 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:25:55,352 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 21:25:55,353 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 21:25:55,357 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:25:55,357 INFO L82 PathProgramCache]: Analyzing trace with hash 257035693, now seen corresponding path program 1 times [2018-12-02 21:25:55,358 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 21:25:55,358 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 21:25:55,388 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:25:55,388 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:25:55,388 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:25:55,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:25:55,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:25:55,447 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 21:25:55,447 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 21:25:55,449 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 21:25:55,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 21:25:55,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 21:25:55,458 INFO L87 Difference]: Start difference. First operand 76 states. Second operand 2 states. [2018-12-02 21:25:55,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:25:55,475 INFO L93 Difference]: Finished difference Result 144 states and 214 transitions. [2018-12-02 21:25:55,475 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 21:25:55,476 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 21 [2018-12-02 21:25:55,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:25:55,481 INFO L225 Difference]: With dead ends: 144 [2018-12-02 21:25:55,481 INFO L226 Difference]: Without dead ends: 72 [2018-12-02 21:25:55,483 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 21:25:55,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2018-12-02 21:25:55,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2018-12-02 21:25:55,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2018-12-02 21:25:55,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 89 transitions. [2018-12-02 21:25:55,507 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 89 transitions. Word has length 21 [2018-12-02 21:25:55,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:25:55,507 INFO L480 AbstractCegarLoop]: Abstraction has 72 states and 89 transitions. [2018-12-02 21:25:55,508 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 21:25:55,508 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 89 transitions. [2018-12-02 21:25:55,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-02 21:25:55,508 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:25:55,508 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 21:25:55,508 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 21:25:55,509 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:25:55,509 INFO L82 PathProgramCache]: Analyzing trace with hash -225488588, now seen corresponding path program 1 times [2018-12-02 21:25:55,509 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 21:25:55,509 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 21:25:55,509 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:25:55,510 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:25:55,510 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:25:55,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 21:25:55,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 21:25:55,562 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-02 21:25:55,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 09:25:55 BoogieIcfgContainer [2018-12-02 21:25:55,584 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 21:25:55,584 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 21:25:55,584 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 21:25:55,585 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 21:25:55,585 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:25:55" (3/4) ... [2018-12-02 21:25:55,587 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-02 21:25:55,587 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 21:25:55,588 INFO L168 Benchmark]: Toolchain (without parser) took 795.48 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.1 MB). Free memory was 957.1 MB in the beginning and 1.0 GB in the end (delta: -78.1 MB). Peak memory consumption was 33.1 MB. Max. memory is 11.5 GB. [2018-12-02 21:25:55,588 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 21:25:55,589 INFO L168 Benchmark]: CACSL2BoogieTranslator took 201.92 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.1 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -151.6 MB). Peak memory consumption was 31.0 MB. Max. memory is 11.5 GB. [2018-12-02 21:25:55,589 INFO L168 Benchmark]: Boogie Procedure Inliner took 16.76 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-02 21:25:55,589 INFO L168 Benchmark]: Boogie Preprocessor took 26.50 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 21:25:55,590 INFO L168 Benchmark]: RCFGBuilder took 256.51 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 36.0 MB). Peak memory consumption was 36.0 MB. Max. memory is 11.5 GB. [2018-12-02 21:25:55,590 INFO L168 Benchmark]: TraceAbstraction took 288.54 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. [2018-12-02 21:25:55,590 INFO L168 Benchmark]: Witness Printer took 2.70 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 21:25:55,592 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 201.92 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.1 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -151.6 MB). Peak memory consumption was 31.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 16.76 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.50 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 256.51 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 36.0 MB). Peak memory consumption was 36.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 288.54 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. * Witness Printer took 2.70 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 188]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 13, overapproximation of someUnaryDOUBLEoperation at line 102, overapproximation of bitwiseAnd at line 116, overapproximation of someUnaryFLOAToperation at line 100, overapproximation of someBinaryArithmeticFLOAToperation at line 119. Possible FailurePath: [L15] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L98-L106] static const float one_asin = 1.0000000000e+00, huge_asin = 1.000e+30, pio2_hi_asin = 1.57079637050628662109375f, pio2_lo_asin = -4.37113900018624283e-8f, pio4_hi_asin = 0.785398185253143310546875f, pS0_asin = 1.6666667163e-01, pS1_asin = -3.2556581497e-01, pS2_asin = 2.0121252537e-01, pS3_asin = -4.0055535734e-02, pS4_asin = 7.9153501429e-04, pS5_asin = 3.4793309169e-05, qS1_asin = -2.4033949375e+00, qS2_asin = 2.0209457874e+00, qS3_asin = -6.8828397989e-01, qS4_asin = 7.7038154006e-02; VAL [\old(huge_asin)=6442450967, \old(one_asin)=6442450953, \old(one_sqrt)=6442450950, \old(pio2_hi_asin)=6442450952, \old(pio2_lo_asin)=6442450962, \old(pio4_hi_asin)=6442450954, \old(pS0_asin)=6442450961, \old(pS1_asin)=6442450956, \old(pS2_asin)=6442450947, \old(pS3_asin)=6442450960, \old(pS4_asin)=6442450965, \old(pS5_asin)=6442450958, \old(qS1_asin)=6442450968, \old(qS2_asin)=6442450966, \old(qS3_asin)=6442450945, \old(qS4_asin)=6442450963, \old(tiny_sqrt)=6442450964, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L183] float x = 0.0f / 0.0f; VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L184] CALL, EXPR __ieee754_asinf(x) VAL [\old(x)=6442450957, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L109] float t, w, p, q, c, r, s; [L110] __int32_t hx, ix; VAL [\old(x)=6442450957, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=6442450957] [L112] ieee_float_shape_type gf_u; [L113] gf_u.value = (x) [L114] EXPR gf_u.word [L114] (hx) = gf_u.word [L116] ix = hx & 0x7fffffff VAL [\old(x)=6442450957, huge_asin=1000000000000000000000000000000, hx=-2147483648, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=6442450957] [L117] COND TRUE ix == 0x3f800000 [L119] return x * pio2_hi_asin + x * pio2_lo_asin; VAL [\old(x)=6442450957, huge_asin=1000000000000000000000000000000, hx=-2147483648, ix=1065353216, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=6442450957] [L184] RET, EXPR __ieee754_asinf(x) VAL [__ieee754_asinf(x)=6442450948, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=6442450957] [L184] float res = __ieee754_asinf(x); [L187] CALL, EXPR isnan_float(res) VAL [\old(x)=6442450948, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L13] return x != x; VAL [\old(x)=6442450948, \result=0, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=6442450948] [L187] RET, EXPR isnan_float(res) VAL [huge_asin=1000000000000000000000000000000, isnan_float(res)=0, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, res=6442450948, tiny_sqrt=1/1000000000000000000000000000000, x=6442450957] [L187] COND TRUE !isnan_float(res) [L188] __VERIFIER_error() VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, res=6442450948, tiny_sqrt=1/1000000000000000000000000000000, x=6442450957] - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 76 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 93 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=76occurred 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, 43 NumberOfCodeBlocks, 43 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 0.1.23-635dfa2 [2018-12-02 21:25:56,908 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 21:25:56,910 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 21:25:56,917 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 21:25:56,918 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 21:25:56,918 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 21:25:56,919 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 21:25:56,920 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 21:25:56,921 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 21:25:56,922 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 21:25:56,922 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 21:25:56,923 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 21:25:56,923 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 21:25:56,924 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 21:25:56,925 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 21:25:56,925 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 21:25:56,926 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 21:25:56,927 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 21:25:56,928 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 21:25:56,929 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 21:25:56,930 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 21:25:56,931 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 21:25:56,933 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 21:25:56,933 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 21:25:56,933 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 21:25:56,934 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 21:25:56,934 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 21:25:56,935 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 21:25:56,935 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 21:25:56,936 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 21:25:56,936 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 21:25:56,937 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 21:25:56,937 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 21:25:56,937 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 21:25:56,938 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 21:25:56,938 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 21:25:56,938 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d263cc3c-2c49-4cac-854b-042d8f03cb8c/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-12-02 21:25:56,949 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 21:25:56,949 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 21:25:56,949 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 21:25:56,950 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 21:25:56,950 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 21:25:56,950 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 21:25:56,950 INFO L133 SettingsManager]: * Use SBE=true [2018-12-02 21:25:56,950 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 21:25:56,950 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 21:25:56,951 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 21:25:56,951 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 21:25:56,951 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 21:25:56,951 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 21:25:56,951 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 21:25:56,951 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-02 21:25:56,951 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-02 21:25:56,951 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 21:25:56,951 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 21:25:56,952 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 21:25:56,952 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 21:25:56,952 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 21:25:56,952 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 21:25:56,952 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 21:25:56,952 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 21:25:56,952 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 21:25:56,952 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 21:25:56,952 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 21:25:56,953 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 21:25:56,953 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-12-02 21:25:56,953 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 21:25:56,953 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-02 21:25:56,953 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-02 21:25:56,953 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_d263cc3c-2c49-4cac-854b-042d8f03cb8c/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 -> f4df82ea580918989808f581f8b270f0b85e6120 [2018-12-02 21:25:56,977 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 21:25:56,986 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 21:25:56,989 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 21:25:56,990 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 21:25:56,990 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 21:25:56,991 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d263cc3c-2c49-4cac-854b-042d8f03cb8c/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0260_true-unreach-call.c [2018-12-02 21:25:57,031 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d263cc3c-2c49-4cac-854b-042d8f03cb8c/bin-2019/uautomizer/data/f38fdb6cc/44d98daf1ff94842bc0715ca4f9ec5f8/FLAGd8426f126 [2018-12-02 21:25:57,443 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 21:25:57,444 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d263cc3c-2c49-4cac-854b-042d8f03cb8c/sv-benchmarks/c/float-newlib/float_req_bl_0260_true-unreach-call.c [2018-12-02 21:25:57,448 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d263cc3c-2c49-4cac-854b-042d8f03cb8c/bin-2019/uautomizer/data/f38fdb6cc/44d98daf1ff94842bc0715ca4f9ec5f8/FLAGd8426f126 [2018-12-02 21:25:57,455 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d263cc3c-2c49-4cac-854b-042d8f03cb8c/bin-2019/uautomizer/data/f38fdb6cc/44d98daf1ff94842bc0715ca4f9ec5f8 [2018-12-02 21:25:57,457 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 21:25:57,458 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 21:25:57,458 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 21:25:57,459 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 21:25:57,460 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 21:25:57,461 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:25:57" (1/1) ... [2018-12-02 21:25:57,462 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a12c072 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:25:57, skipping insertion in model container [2018-12-02 21:25:57,463 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:25:57" (1/1) ... [2018-12-02 21:25:57,467 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 21:25:57,479 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 21:25:57,593 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 21:25:57,597 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 21:25:57,627 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 21:25:57,643 INFO L195 MainTranslator]: Completed translation [2018-12-02 21:25:57,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:25:57 WrapperNode [2018-12-02 21:25:57,643 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 21:25:57,644 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 21:25:57,644 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 21:25:57,644 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 21:25:57,649 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:25:57" (1/1) ... [2018-12-02 21:25:57,657 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:25:57" (1/1) ... [2018-12-02 21:25:57,695 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 21:25:57,695 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 21:25:57,695 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 21:25:57,695 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 21:25:57,701 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:25:57" (1/1) ... [2018-12-02 21:25:57,701 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:25:57" (1/1) ... [2018-12-02 21:25:57,704 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:25:57" (1/1) ... [2018-12-02 21:25:57,704 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:25:57" (1/1) ... [2018-12-02 21:25:57,715 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:25:57" (1/1) ... [2018-12-02 21:25:57,720 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:25:57" (1/1) ... [2018-12-02 21:25:57,722 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:25:57" (1/1) ... [2018-12-02 21:25:57,725 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 21:25:57,725 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 21:25:57,725 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 21:25:57,725 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 21:25:57,726 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:25:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d263cc3c-2c49-4cac-854b-042d8f03cb8c/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 [2018-12-02 21:25:57,756 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 21:25:57,756 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 21:25:57,756 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_asinf [2018-12-02 21:25:57,756 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_asinf [2018-12-02 21:25:57,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-12-02 21:25:57,756 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-12-02 21:25:57,756 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-12-02 21:25:57,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 21:25:57,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 21:25:57,756 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-12-02 21:25:57,756 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-12-02 21:25:57,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 21:25:57,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-02 21:25:57,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 21:25:57,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 21:25:57,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-12-02 21:25:57,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-02 21:25:57,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 21:25:57,758 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-12-02 21:25:57,758 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-12-02 21:25:57,884 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 21:26:06,944 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 21:26:06,980 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 21:26:07,437 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 21:26:07,441 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 21:26:07,441 INFO L280 CfgBuilder]: Removed 16 assue(true) statements. [2018-12-02 21:26:07,442 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:26:07 BoogieIcfgContainer [2018-12-02 21:26:07,442 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 21:26:07,442 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 21:26:07,442 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 21:26:07,445 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 21:26:07,445 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 09:25:57" (1/3) ... [2018-12-02 21:26:07,445 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26eaa899 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 09:26:07, skipping insertion in model container [2018-12-02 21:26:07,446 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:25:57" (2/3) ... [2018-12-02 21:26:07,446 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26eaa899 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 09:26:07, skipping insertion in model container [2018-12-02 21:26:07,446 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:26:07" (3/3) ... [2018-12-02 21:26:07,447 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0260_true-unreach-call.c [2018-12-02 21:26:07,453 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 21:26:07,457 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 21:26:07,466 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 21:26:07,483 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 21:26:07,483 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 21:26:07,483 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 21:26:07,484 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 21:26:07,484 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 21:26:07,484 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 21:26:07,484 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 21:26:07,484 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 21:26:07,484 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 21:26:07,494 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states. [2018-12-02 21:26:07,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-02 21:26:07,498 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:26:07,498 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 21:26:07,500 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 21:26:07,503 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:26:07,503 INFO L82 PathProgramCache]: Analyzing trace with hash 1204794971, now seen corresponding path program 1 times [2018-12-02 21:26:07,506 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 21:26:07,506 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d263cc3c-2c49-4cac-854b-042d8f03cb8c/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 [2018-12-02 21:26:07,510 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:26:07,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:26:07,693 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 21:26:07,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:26:07,704 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 21:26:07,714 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 21:26:07,714 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 21:26:07,717 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 21:26:07,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 21:26:07,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 21:26:07,726 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 2 states. [2018-12-02 21:26:07,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:26:07,749 INFO L93 Difference]: Finished difference Result 142 states and 212 transitions. [2018-12-02 21:26:07,749 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 21:26:07,750 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 20 [2018-12-02 21:26:07,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:26:07,758 INFO L225 Difference]: With dead ends: 142 [2018-12-02 21:26:07,759 INFO L226 Difference]: Without dead ends: 71 [2018-12-02 21:26:07,762 INFO L631 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 [2018-12-02 21:26:07,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2018-12-02 21:26:07,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2018-12-02 21:26:07,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2018-12-02 21:26:07,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 88 transitions. [2018-12-02 21:26:07,789 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 88 transitions. Word has length 20 [2018-12-02 21:26:07,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:26:07,789 INFO L480 AbstractCegarLoop]: Abstraction has 71 states and 88 transitions. [2018-12-02 21:26:07,789 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 21:26:07,789 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 88 transitions. [2018-12-02 21:26:07,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-02 21:26:07,790 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:26:07,790 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 21:26:07,790 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 21:26:07,790 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:26:07,790 INFO L82 PathProgramCache]: Analyzing trace with hash -624565231, now seen corresponding path program 1 times [2018-12-02 21:26:07,791 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 21:26:07,791 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d263cc3c-2c49-4cac-854b-042d8f03cb8c/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 [2018-12-02 21:26:07,794 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:26:07,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:26:07,962 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 21:26:08,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:26:08,051 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 21:26:08,059 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 21:26:08,059 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 21:26:08,060 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 21:26:08,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 21:26:08,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-02 21:26:08,061 INFO L87 Difference]: Start difference. First operand 71 states and 88 transitions. Second operand 7 states. [2018-12-02 21:26:13,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:26:13,774 INFO L93 Difference]: Finished difference Result 84 states and 101 transitions. [2018-12-02 21:26:13,774 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 21:26:13,774 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 21 [2018-12-02 21:26:13,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:26:13,776 INFO L225 Difference]: With dead ends: 84 [2018-12-02 21:26:13,776 INFO L226 Difference]: Without dead ends: 74 [2018-12-02 21:26:13,777 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-12-02 21:26:13,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2018-12-02 21:26:13,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 71. [2018-12-02 21:26:13,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2018-12-02 21:26:13,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 87 transitions. [2018-12-02 21:26:13,786 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 87 transitions. Word has length 21 [2018-12-02 21:26:13,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:26:13,786 INFO L480 AbstractCegarLoop]: Abstraction has 71 states and 87 transitions. [2018-12-02 21:26:13,786 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 21:26:13,786 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 87 transitions. [2018-12-02 21:26:13,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-02 21:26:13,787 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:26:13,787 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 21:26:13,787 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 21:26:13,787 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:26:13,787 INFO L82 PathProgramCache]: Analyzing trace with hash 2002478333, now seen corresponding path program 1 times [2018-12-02 21:26:13,787 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 21:26:13,787 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d263cc3c-2c49-4cac-854b-042d8f03cb8c/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 [2018-12-02 21:26:13,791 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:26:13,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:26:13,983 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 21:26:15,866 WARN L180 SmtUtils]: Spent 471.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2018-12-02 21:26:17,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:26:17,752 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 21:26:17,762 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 21:26:17,762 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-02 21:26:17,762 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 21:26:17,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 21:26:17,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-02 21:26:17,762 INFO L87 Difference]: Start difference. First operand 71 states and 87 transitions. Second operand 9 states. [2018-12-02 21:26:21,173 WARN L180 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 9 [2018-12-02 21:26:27,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:26:27,367 INFO L93 Difference]: Finished difference Result 80 states and 96 transitions. [2018-12-02 21:26:27,367 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-02 21:26:27,367 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2018-12-02 21:26:27,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:26:27,368 INFO L225 Difference]: With dead ends: 80 [2018-12-02 21:26:27,368 INFO L226 Difference]: Without dead ends: 73 [2018-12-02 21:26:27,369 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 7.1s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-12-02 21:26:27,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2018-12-02 21:26:27,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 71. [2018-12-02 21:26:27,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2018-12-02 21:26:27,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 86 transitions. [2018-12-02 21:26:27,376 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 86 transitions. Word has length 22 [2018-12-02 21:26:27,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:26:27,376 INFO L480 AbstractCegarLoop]: Abstraction has 71 states and 86 transitions. [2018-12-02 21:26:27,376 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 21:26:27,376 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 86 transitions. [2018-12-02 21:26:27,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-02 21:26:27,376 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:26:27,376 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 21:26:27,377 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 21:26:27,377 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:26:27,377 INFO L82 PathProgramCache]: Analyzing trace with hash 1628950099, now seen corresponding path program 1 times [2018-12-02 21:26:27,377 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 21:26:27,377 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d263cc3c-2c49-4cac-854b-042d8f03cb8c/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 [2018-12-02 21:26:27,380 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:26:28,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:26:28,331 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 21:26:28,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:26:28,417 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 21:26:28,435 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 21:26:28,435 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 21:26:28,435 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 21:26:28,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 21:26:28,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-02 21:26:28,435 INFO L87 Difference]: Start difference. First operand 71 states and 86 transitions. Second operand 7 states. [2018-12-02 21:26:33,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:26:33,450 INFO L93 Difference]: Finished difference Result 84 states and 99 transitions. [2018-12-02 21:26:33,451 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 21:26:33,451 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 24 [2018-12-02 21:26:33,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:26:33,452 INFO L225 Difference]: With dead ends: 84 [2018-12-02 21:26:33,452 INFO L226 Difference]: Without dead ends: 66 [2018-12-02 21:26:33,452 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-12-02 21:26:33,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2018-12-02 21:26:33,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2018-12-02 21:26:33,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2018-12-02 21:26:33,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 78 transitions. [2018-12-02 21:26:33,459 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 78 transitions. Word has length 24 [2018-12-02 21:26:33,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:26:33,459 INFO L480 AbstractCegarLoop]: Abstraction has 66 states and 78 transitions. [2018-12-02 21:26:33,459 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 21:26:33,459 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 78 transitions. [2018-12-02 21:26:33,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-02 21:26:33,460 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:26:33,460 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 21:26:33,461 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 21:26:33,461 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:26:33,461 INFO L82 PathProgramCache]: Analyzing trace with hash 1429916512, now seen corresponding path program 1 times [2018-12-02 21:26:33,461 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 21:26:33,461 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d263cc3c-2c49-4cac-854b-042d8f03cb8c/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 [2018-12-02 21:26:33,465 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:26:34,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:26:34,564 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 21:26:34,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:26:34,648 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 21:26:34,667 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 21:26:34,667 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 21:26:34,667 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 21:26:34,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 21:26:34,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-02 21:26:34,668 INFO L87 Difference]: Start difference. First operand 66 states and 78 transitions. Second operand 7 states. [2018-12-02 21:26:37,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:26:37,040 INFO L93 Difference]: Finished difference Result 66 states and 78 transitions. [2018-12-02 21:26:37,041 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 21:26:37,041 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 44 [2018-12-02 21:26:37,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:26:37,042 INFO L225 Difference]: With dead ends: 66 [2018-12-02 21:26:37,042 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 21:26:37,042 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-12-02 21:26:37,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 21:26:37,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 21:26:37,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 21:26:37,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 21:26:37,043 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 44 [2018-12-02 21:26:37,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:26:37,043 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 21:26:37,043 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 21:26:37,043 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 21:26:37,043 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 21:26:37,046 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 21:26:37,208 INFO L448 ceAbstractionStarter]: For program point isnan_floatFINAL(line 13) no Hoare annotation was computed. [2018-12-02 21:26:37,209 INFO L451 ceAbstractionStarter]: At program point isnan_floatENTRY(line 13) the Hoare annotation is: true [2018-12-02 21:26:37,209 INFO L448 ceAbstractionStarter]: For program point isnan_floatEXIT(line 13) no Hoare annotation was computed. [2018-12-02 21:26:37,209 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 21:26:37,209 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-02 21:26:37,209 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 21:26:37,209 INFO L448 ceAbstractionStarter]: For program point fabs_floatFINAL(lines 83 96) no Hoare annotation was computed. [2018-12-02 21:26:37,209 INFO L448 ceAbstractionStarter]: For program point L90(lines 90 94) no Hoare annotation was computed. [2018-12-02 21:26:37,209 INFO L448 ceAbstractionStarter]: For program point fabs_floatEXIT(lines 83 96) no Hoare annotation was computed. [2018-12-02 21:26:37,209 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 83 96) no Hoare annotation was computed. [2018-12-02 21:26:37,209 INFO L448 ceAbstractionStarter]: For program point L90-2(lines 90 94) no Hoare annotation was computed. [2018-12-02 21:26:37,209 INFO L451 ceAbstractionStarter]: At program point fabs_floatENTRY(lines 83 96) the Hoare annotation is: true [2018-12-02 21:26:37,209 INFO L448 ceAbstractionStarter]: For program point L85-1(lines 85 89) no Hoare annotation was computed. [2018-12-02 21:26:37,210 INFO L451 ceAbstractionStarter]: At program point L85-2(lines 85 89) the Hoare annotation is: true [2018-12-02 21:26:37,210 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 21:26:37,210 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-02 21:26:37,210 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 21:26:37,210 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 21:26:37,210 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 188) no Hoare annotation was computed. [2018-12-02 21:26:37,210 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 176 193) the Hoare annotation is: true [2018-12-02 21:26:37,210 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 176 193) no Hoare annotation was computed. [2018-12-02 21:26:37,210 INFO L448 ceAbstractionStarter]: For program point L188(line 188) no Hoare annotation was computed. [2018-12-02 21:26:37,210 INFO L444 ceAbstractionStarter]: At program point L187(line 187) the Hoare annotation is: (let ((.cse1 (fp.div roundNearestTiesToEven (_ +zero 8 24) (_ +zero 8 24)))) (and (= main_~res~0 (let ((.cse0 (fp.sub roundNearestTiesToEven .cse1 .cse1))) (fp.div roundNearestTiesToEven .cse0 .cse0))) (= main_~x~0 .cse1))) [2018-12-02 21:26:37,210 INFO L448 ceAbstractionStarter]: For program point L187-1(lines 187 190) no Hoare annotation was computed. [2018-12-02 21:26:37,210 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 176 193) no Hoare annotation was computed. [2018-12-02 21:26:37,210 INFO L444 ceAbstractionStarter]: At program point L184(line 184) the Hoare annotation is: (= main_~x~0 (fp.div roundNearestTiesToEven (_ +zero 8 24) (_ +zero 8 24))) [2018-12-02 21:26:37,211 INFO L448 ceAbstractionStarter]: For program point L184-1(line 184) no Hoare annotation was computed. [2018-12-02 21:26:37,211 INFO L448 ceAbstractionStarter]: For program point L159(lines 159 163) no Hoare annotation was computed. [2018-12-02 21:26:37,211 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 151 169) no Hoare annotation was computed. [2018-12-02 21:26:37,211 INFO L448 ceAbstractionStarter]: For program point L159-2(lines 159 163) no Hoare annotation was computed. [2018-12-02 21:26:37,211 INFO L448 ceAbstractionStarter]: For program point L122(lines 122 137) no Hoare annotation was computed. [2018-12-02 21:26:37,211 INFO L444 ceAbstractionStarter]: At program point L122-1(lines 122 137) the Hoare annotation is: (and (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (not (bvsgt (bvand (_ bv2147483647 32) __ieee754_asinf_~hx~1) (_ bv1065353216 32))) (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|))) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (= (bvand (_ bv2147483647 32) __ieee754_asinf_~hx~1) __ieee754_asinf_~ix~2)))) [2018-12-02 21:26:37,211 INFO L444 ceAbstractionStarter]: At program point L147(line 147) the Hoare annotation is: (and (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (not (bvsgt (bvand (_ bv2147483647 32) __ieee754_asinf_~hx~1) (_ bv1065353216 32))) (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|))) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (= (bvand (_ bv2147483647 32) __ieee754_asinf_~hx~1) __ieee754_asinf_~ix~2)))) [2018-12-02 21:26:37,211 INFO L448 ceAbstractionStarter]: For program point L147-1(line 147) no Hoare annotation was computed. [2018-12-02 21:26:37,211 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-12-02 21:26:37,211 INFO L448 ceAbstractionStarter]: For program point L123(lines 123 136) no Hoare annotation was computed. [2018-12-02 21:26:37,211 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 169) no Hoare annotation was computed. [2018-12-02 21:26:37,212 INFO L448 ceAbstractionStarter]: For program point L148-2(lines 108 174) no Hoare annotation was computed. [2018-12-02 21:26:37,212 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 111 115) no Hoare annotation was computed. [2018-12-02 21:26:37,212 INFO L444 ceAbstractionStarter]: At program point L111-2(lines 111 115) the Hoare annotation is: (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) [2018-12-02 21:26:37,212 INFO L448 ceAbstractionStarter]: For program point L111-3(lines 111 115) no Hoare annotation was computed. [2018-12-02 21:26:37,212 INFO L448 ceAbstractionStarter]: For program point L124(lines 124 125) no Hoare annotation was computed. [2018-12-02 21:26:37,212 INFO L448 ceAbstractionStarter]: For program point L120(lines 120 137) no Hoare annotation was computed. [2018-12-02 21:26:37,212 INFO L451 ceAbstractionStarter]: At program point __ieee754_asinfENTRY(lines 108 174) the Hoare annotation is: true [2018-12-02 21:26:37,212 INFO L448 ceAbstractionStarter]: For program point __ieee754_asinfFINAL(lines 108 174) no Hoare annotation was computed. [2018-12-02 21:26:37,212 INFO L448 ceAbstractionStarter]: For program point __ieee754_asinfEXIT(lines 108 174) no Hoare annotation was computed. [2018-12-02 21:26:37,212 INFO L448 ceAbstractionStarter]: For program point L154-1(lines 154 158) no Hoare annotation was computed. [2018-12-02 21:26:37,212 INFO L444 ceAbstractionStarter]: At program point L154-2(lines 154 158) the Hoare annotation is: (and (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (not (bvsgt (bvand (_ bv2147483647 32) __ieee754_asinf_~hx~1) (_ bv1065353216 32))) (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|))) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (= (bvand (_ bv2147483647 32) __ieee754_asinf_~hx~1) __ieee754_asinf_~ix~2)))) [2018-12-02 21:26:37,212 INFO L448 ceAbstractionStarter]: For program point L117(lines 117 137) no Hoare annotation was computed. [2018-12-02 21:26:37,212 INFO L448 ceAbstractionStarter]: For program point L64(lines 64 73) no Hoare annotation was computed. [2018-12-02 21:26:37,212 INFO L448 ceAbstractionStarter]: For program point L32(lines 32 33) no Hoare annotation was computed. [2018-12-02 21:26:37,213 INFO L451 ceAbstractionStarter]: At program point L53-2(lines 53 62) the Hoare annotation is: true [2018-12-02 21:26:37,213 INFO L448 ceAbstractionStarter]: For program point L53-3(lines 17 82) no Hoare annotation was computed. [2018-12-02 21:26:37,213 INFO L451 ceAbstractionStarter]: At program point __ieee754_sqrtfENTRY(lines 17 82) the Hoare annotation is: true [2018-12-02 21:26:37,213 INFO L448 ceAbstractionStarter]: For program point L45(lines 45 46) no Hoare annotation was computed. [2018-12-02 21:26:37,213 INFO L448 ceAbstractionStarter]: For program point L45-2(lines 45 46) no Hoare annotation was computed. [2018-12-02 21:26:37,213 INFO L448 ceAbstractionStarter]: For program point __ieee754_sqrtfFINAL(lines 17 82) no Hoare annotation was computed. [2018-12-02 21:26:37,213 INFO L448 ceAbstractionStarter]: For program point L66(lines 66 72) no Hoare annotation was computed. [2018-12-02 21:26:37,213 INFO L448 ceAbstractionStarter]: For program point L29(lines 29 30) no Hoare annotation was computed. [2018-12-02 21:26:37,213 INFO L448 ceAbstractionStarter]: For program point __ieee754_sqrtfEXIT(lines 17 82) no Hoare annotation was computed. [2018-12-02 21:26:37,213 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 42) no Hoare annotation was computed. [2018-12-02 21:26:37,213 INFO L448 ceAbstractionStarter]: For program point L38-2(lines 38 42) no Hoare annotation was computed. [2018-12-02 21:26:37,213 INFO L448 ceAbstractionStarter]: For program point L34(lines 34 35) no Hoare annotation was computed. [2018-12-02 21:26:37,213 INFO L448 ceAbstractionStarter]: For program point L55(lines 55 59) no Hoare annotation was computed. [2018-12-02 21:26:37,213 INFO L448 ceAbstractionStarter]: For program point L22-1(lines 22 26) no Hoare annotation was computed. [2018-12-02 21:26:37,213 INFO L448 ceAbstractionStarter]: For program point L55-2(lines 55 59) no Hoare annotation was computed. [2018-12-02 21:26:37,213 INFO L451 ceAbstractionStarter]: At program point L22-2(lines 22 26) the Hoare annotation is: true [2018-12-02 21:26:37,213 INFO L448 ceAbstractionStarter]: For program point L22-3(lines 22 26) no Hoare annotation was computed. [2018-12-02 21:26:37,213 INFO L448 ceAbstractionStarter]: For program point L76-1(lines 76 80) no Hoare annotation was computed. [2018-12-02 21:26:37,213 INFO L451 ceAbstractionStarter]: At program point L76-2(lines 76 80) the Hoare annotation is: true [2018-12-02 21:26:37,213 INFO L448 ceAbstractionStarter]: For program point L76-3(lines 76 80) no Hoare annotation was computed. [2018-12-02 21:26:37,214 INFO L448 ceAbstractionStarter]: For program point L39-2(lines 39 40) no Hoare annotation was computed. [2018-12-02 21:26:37,214 INFO L451 ceAbstractionStarter]: At program point L39-3(lines 39 40) the Hoare annotation is: true [2018-12-02 21:26:37,214 INFO L448 ceAbstractionStarter]: For program point L68(lines 68 71) no Hoare annotation was computed. [2018-12-02 21:26:37,214 INFO L448 ceAbstractionStarter]: For program point L39-4(lines 39 40) no Hoare annotation was computed. [2018-12-02 21:26:37,218 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 21:26:37,218 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 21:26:37,218 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 21:26:37,218 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 21:26:37,219 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 21:26:37,219 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 21:26:37,219 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 21:26:37,219 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 21:26:37,222 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 21:26:37,222 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 21:26:37,222 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 21:26:37,222 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 21:26:37,222 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 21:26:37,223 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 21:26:37,223 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 21:26:37,223 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 21:26:37,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 09:26:37 BoogieIcfgContainer [2018-12-02 21:26:37,224 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 21:26:37,224 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 21:26:37,225 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 21:26:37,225 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 21:26:37,225 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:26:07" (3/4) ... [2018-12-02 21:26:37,227 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 21:26:37,231 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_float [2018-12-02 21:26:37,231 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 21:26:37,231 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_float [2018-12-02 21:26:37,231 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 21:26:37,231 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_asinf [2018-12-02 21:26:37,231 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrtf [2018-12-02 21:26:37,234 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 43 nodes and edges [2018-12-02 21:26:37,235 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-12-02 21:26:37,235 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-02 21:26:37,235 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 21:26:37,251 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-12-02 21:26:37,251 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\old(x) == x && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == \old(x)) && (\exists __ieee754_asinf_~hx~1 : bv32 :: !~bvsgt32(~bvand32(2147483647bv32, __ieee754_asinf_~hx~1), 1065353216bv32) && ~fp~LONGDOUBLE(__ieee754_asinf_~hx~1[31:31], __ieee754_asinf_~hx~1[30:23], __ieee754_asinf_~hx~1[22:0]) == \old(x))) && (\exists __ieee754_asinf_~hx~1 : bv32 :: ~fp~LONGDOUBLE(__ieee754_asinf_~hx~1[31:31], __ieee754_asinf_~hx~1[30:23], __ieee754_asinf_~hx~1[22:0]) == \old(x) && ~bvand32(2147483647bv32, __ieee754_asinf_~hx~1) == ix) [2018-12-02 21:26:37,268 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d263cc3c-2c49-4cac-854b-042d8f03cb8c/bin-2019/uautomizer/witness.graphml [2018-12-02 21:26:37,268 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 21:26:37,269 INFO L168 Benchmark]: Toolchain (without parser) took 39811.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 944.7 MB in the beginning and 853.2 MB in the end (delta: 91.5 MB). Peak memory consumption was 220.4 MB. Max. memory is 11.5 GB. [2018-12-02 21:26:37,269 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 21:26:37,270 INFO L168 Benchmark]: CACSL2BoogieTranslator took 185.25 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 927.3 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. [2018-12-02 21:26:37,270 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -196.3 MB). Peak memory consumption was 19.5 MB. Max. memory is 11.5 GB. [2018-12-02 21:26:37,270 INFO L168 Benchmark]: Boogie Preprocessor took 29.92 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-12-02 21:26:37,270 INFO L168 Benchmark]: RCFGBuilder took 9716.39 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: 45.8 MB). Peak memory consumption was 45.8 MB. Max. memory is 11.5 GB. [2018-12-02 21:26:37,270 INFO L168 Benchmark]: TraceAbstraction took 29782.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 860.1 MB in the end (delta: 210.8 MB). Peak memory consumption was 210.8 MB. Max. memory is 11.5 GB. [2018-12-02 21:26:37,270 INFO L168 Benchmark]: Witness Printer took 44.00 ms. Allocated memory is still 1.2 GB. Free memory was 860.1 MB in the beginning and 853.2 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-12-02 21:26:37,271 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 185.25 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 927.3 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 51.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -196.3 MB). Peak memory consumption was 19.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.92 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 9716.39 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: 45.8 MB). Peak memory consumption was 45.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 29782.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 860.1 MB in the end (delta: 210.8 MB). Peak memory consumption was 210.8 MB. Max. memory is 11.5 GB. * Witness Printer took 44.00 ms. Allocated memory is still 1.2 GB. Free memory was 860.1 MB in the beginning and 853.2 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 188]: 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: 76]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 154]: Loop Invariant [2018-12-02 21:26:37,274 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 21:26:37,274 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 21:26:37,274 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 21:26:37,274 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 21:26:37,274 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 21:26:37,274 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 21:26:37,274 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 21:26:37,275 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 21:26:37,275 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 21:26:37,275 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 21:26:37,275 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 21:26:37,275 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 21:26:37,275 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 21:26:37,275 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 21:26:37,275 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 21:26:37,275 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] Derived loop invariant: ((\old(x) == x && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == \old(x)) && (\exists __ieee754_asinf_~hx~1 : bv32 :: !~bvsgt32(~bvand32(2147483647bv32, __ieee754_asinf_~hx~1), 1065353216bv32) && ~fp~LONGDOUBLE(__ieee754_asinf_~hx~1[31:31], __ieee754_asinf_~hx~1[30:23], __ieee754_asinf_~hx~1[22:0]) == \old(x))) && (\exists __ieee754_asinf_~hx~1 : bv32 :: ~fp~LONGDOUBLE(__ieee754_asinf_~hx~1[31:31], __ieee754_asinf_~hx~1[30:23], __ieee754_asinf_~hx~1[22:0]) == \old(x) && ~bvand32(2147483647bv32, __ieee754_asinf_~hx~1) == ix) - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 75 locations, 1 error locations. SAFE Result, 29.7s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 22.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 378 SDtfs, 210 SDslu, 1420 SDs, 0 SdLazy, 190 SolverSat, 23 SolverUnsat, 5 SolverUnknown, 0 SolverNotchecked, 17.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 139 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 7.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=75occurred 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, 5 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 19 LocationsWithAnnotation, 30 PreInvPairs, 40 NumberOfFragments, 191 HoareAnnotationTreeSize, 30 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 19 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 2.3s SatisfiabilityAnalysisTime, 4.2s InterpolantComputationTime, 131 NumberOfCodeBlocks, 131 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 126 ConstructedInterpolants, 20 QuantifiedInterpolants, 18681 SizeOfPredicates, 16 NumberOfNonLiveVariables, 591 ConjunctsInSsa, 36 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...