./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0270a_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_30e407d5-cd64-41f7-9862-3da081c10292/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_30e407d5-cd64-41f7-9862-3da081c10292/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_30e407d5-cd64-41f7-9862-3da081c10292/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_30e407d5-cd64-41f7-9862-3da081c10292/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0270a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_30e407d5-cd64-41f7-9862-3da081c10292/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_30e407d5-cd64-41f7-9862-3da081c10292/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 80f5f1ccd9454019e5b231b920d368e18867583c ............................................................................................................................................................................................................................................................................................................................ 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_30e407d5-cd64-41f7-9862-3da081c10292/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_30e407d5-cd64-41f7-9862-3da081c10292/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_30e407d5-cd64-41f7-9862-3da081c10292/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_30e407d5-cd64-41f7-9862-3da081c10292/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0270a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_30e407d5-cd64-41f7-9862-3da081c10292/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_30e407d5-cd64-41f7-9862-3da081c10292/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 80f5f1ccd9454019e5b231b920d368e18867583c .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 19:37:38,833 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 19:37:38,834 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 19:37:38,840 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 19:37:38,840 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 19:37:38,841 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 19:37:38,842 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 19:37:38,843 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 19:37:38,843 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 19:37:38,844 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 19:37:38,844 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 19:37:38,844 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 19:37:38,845 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 19:37:38,845 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 19:37:38,846 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 19:37:38,846 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 19:37:38,847 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 19:37:38,848 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 19:37:38,849 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 19:37:38,849 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 19:37:38,850 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 19:37:38,851 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 19:37:38,852 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 19:37:38,852 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 19:37:38,852 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 19:37:38,852 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 19:37:38,853 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 19:37:38,853 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 19:37:38,854 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 19:37:38,854 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 19:37:38,855 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 19:37:38,855 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 19:37:38,855 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 19:37:38,855 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 19:37:38,856 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 19:37:38,856 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 19:37:38,856 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_30e407d5-cd64-41f7-9862-3da081c10292/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-08 19:37:38,864 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 19:37:38,864 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 19:37:38,864 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 19:37:38,864 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 19:37:38,865 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 19:37:38,865 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 19:37:38,865 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 19:37:38,865 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 19:37:38,865 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 19:37:38,865 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 19:37:38,865 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 19:37:38,866 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 19:37:38,866 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 19:37:38,866 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 19:37:38,866 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 19:37:38,866 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 19:37:38,866 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 19:37:38,866 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 19:37:38,866 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 19:37:38,866 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 19:37:38,866 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 19:37:38,866 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 19:37:38,866 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 19:37:38,867 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 19:37:38,867 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 19:37:38,867 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 19:37:38,867 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 19:37:38,867 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-08 19:37:38,867 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 19:37:38,867 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 19:37:38,867 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_30e407d5-cd64-41f7-9862-3da081c10292/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 -> 80f5f1ccd9454019e5b231b920d368e18867583c [2018-12-08 19:37:38,884 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 19:37:38,890 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 19:37:38,892 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 19:37:38,893 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 19:37:38,893 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 19:37:38,894 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_30e407d5-cd64-41f7-9862-3da081c10292/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0270a_true-unreach-call.c [2018-12-08 19:37:38,929 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_30e407d5-cd64-41f7-9862-3da081c10292/bin-2019/uautomizer/data/473481482/56624395587949fb9fabbdf3c2412953/FLAG9bc0cf4ee [2018-12-08 19:37:39,215 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 19:37:39,216 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_30e407d5-cd64-41f7-9862-3da081c10292/sv-benchmarks/c/float-newlib/float_req_bl_0270a_true-unreach-call.c [2018-12-08 19:37:39,220 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_30e407d5-cd64-41f7-9862-3da081c10292/bin-2019/uautomizer/data/473481482/56624395587949fb9fabbdf3c2412953/FLAG9bc0cf4ee [2018-12-08 19:37:39,229 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_30e407d5-cd64-41f7-9862-3da081c10292/bin-2019/uautomizer/data/473481482/56624395587949fb9fabbdf3c2412953 [2018-12-08 19:37:39,230 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 19:37:39,231 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 19:37:39,232 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 19:37:39,232 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 19:37:39,234 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 19:37:39,234 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 07:37:39" (1/1) ... [2018-12-08 19:37:39,236 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 08.12 07:37:39, skipping insertion in model container [2018-12-08 19:37:39,236 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 07:37:39" (1/1) ... [2018-12-08 19:37:39,242 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 19:37:39,259 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 19:37:39,377 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 19:37:39,379 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 19:37:39,406 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 19:37:39,448 INFO L195 MainTranslator]: Completed translation [2018-12-08 19:37:39,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:37:39 WrapperNode [2018-12-08 19:37:39,448 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 19:37:39,449 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 19:37:39,449 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 19:37:39,449 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 19:37:39,454 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:37:39" (1/1) ... [2018-12-08 19:37:39,461 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:37:39" (1/1) ... [2018-12-08 19:37:39,465 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 19:37:39,465 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 19:37:39,465 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 19:37:39,465 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 19:37:39,471 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:37:39" (1/1) ... [2018-12-08 19:37:39,471 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:37:39" (1/1) ... [2018-12-08 19:37:39,473 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:37:39" (1/1) ... [2018-12-08 19:37:39,474 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:37:39" (1/1) ... [2018-12-08 19:37:39,482 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:37:39" (1/1) ... [2018-12-08 19:37:39,487 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:37:39" (1/1) ... [2018-12-08 19:37:39,489 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:37:39" (1/1) ... [2018-12-08 19:37:39,491 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 19:37:39,491 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 19:37:39,491 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 19:37:39,491 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 19:37:39,492 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:37:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_30e407d5-cd64-41f7-9862-3da081c10292/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 [2018-12-08 19:37:39,522 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 19:37:39,523 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 19:37:39,523 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_asinf [2018-12-08 19:37:39,523 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_asinf [2018-12-08 19:37:39,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-08 19:37:39,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-08 19:37:39,523 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 19:37:39,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 19:37:39,523 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-12-08 19:37:39,523 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-12-08 19:37:39,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-08 19:37:39,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 19:37:39,523 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 19:37:39,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 19:37:39,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-08 19:37:39,524 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-12-08 19:37:39,524 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-12-08 19:37:39,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 19:37:39,524 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2018-12-08 19:37:39,524 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2018-12-08 19:37:39,766 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 19:37:39,766 INFO L280 CfgBuilder]: Removed 18 assue(true) statements. [2018-12-08 19:37:39,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 07:37:39 BoogieIcfgContainer [2018-12-08 19:37:39,767 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 19:37:39,768 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 19:37:39,768 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 19:37:39,770 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 19:37:39,770 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 07:37:39" (1/3) ... [2018-12-08 19:37:39,770 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@132216bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 07:37:39, skipping insertion in model container [2018-12-08 19:37:39,770 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:37:39" (2/3) ... [2018-12-08 19:37:39,770 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@132216bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 07:37:39, skipping insertion in model container [2018-12-08 19:37:39,771 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 07:37:39" (3/3) ... [2018-12-08 19:37:39,772 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0270a_true-unreach-call.c [2018-12-08 19:37:39,777 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 19:37:39,782 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 19:37:39,791 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 19:37:39,810 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 19:37:39,810 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 19:37:39,810 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 19:37:39,810 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 19:37:39,811 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 19:37:39,811 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 19:37:39,811 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 19:37:39,811 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 19:37:39,811 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 19:37:39,824 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states. [2018-12-08 19:37:39,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-08 19:37:39,827 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:37:39,828 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 19:37:39,829 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 19:37:39,833 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:37:39,833 INFO L82 PathProgramCache]: Analyzing trace with hash -874682043, now seen corresponding path program 1 times [2018-12-08 19:37:39,834 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 19:37:39,834 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 19:37:39,862 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:37:39,862 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:37:39,862 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:37:39,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:37:39,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:37:39,932 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 19:37:39,932 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 19:37:39,935 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-08 19:37:39,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-08 19:37:39,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 19:37:39,944 INFO L87 Difference]: Start difference. First operand 80 states. Second operand 2 states. [2018-12-08 19:37:39,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:37:39,964 INFO L93 Difference]: Finished difference Result 152 states and 229 transitions. [2018-12-08 19:37:39,964 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-08 19:37:39,965 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 17 [2018-12-08 19:37:39,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:37:39,971 INFO L225 Difference]: With dead ends: 152 [2018-12-08 19:37:39,971 INFO L226 Difference]: Without dead ends: 76 [2018-12-08 19:37:39,974 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 [2018-12-08 19:37:39,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2018-12-08 19:37:39,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2018-12-08 19:37:39,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-12-08 19:37:40,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 94 transitions. [2018-12-08 19:37:40,001 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 94 transitions. Word has length 17 [2018-12-08 19:37:40,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:37:40,001 INFO L480 AbstractCegarLoop]: Abstraction has 76 states and 94 transitions. [2018-12-08 19:37:40,001 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-08 19:37:40,002 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 94 transitions. [2018-12-08 19:37:40,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-08 19:37:40,002 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:37:40,002 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 19:37:40,003 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 19:37:40,003 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:37:40,003 INFO L82 PathProgramCache]: Analyzing trace with hash -1166852346, now seen corresponding path program 1 times [2018-12-08 19:37:40,003 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 19:37:40,003 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 19:37:40,004 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:37:40,004 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:37:40,004 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:37:40,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 19:37:40,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 19:37:40,068 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-08 19:37:40,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 07:37:40 BoogieIcfgContainer [2018-12-08 19:37:40,095 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 19:37:40,095 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 19:37:40,096 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 19:37:40,096 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 19:37:40,096 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 07:37:39" (3/4) ... [2018-12-08 19:37:40,098 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-08 19:37:40,098 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 19:37:40,099 INFO L168 Benchmark]: Toolchain (without parser) took 867.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 962.4 MB in the beginning and 1.1 GB in the end (delta: -117.8 MB). Peak memory consumption was 39.5 MB. Max. memory is 11.5 GB. [2018-12-08 19:37:40,100 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 19:37:40,100 INFO L168 Benchmark]: CACSL2BoogieTranslator took 216.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 962.4 MB in the beginning and 1.1 GB in the end (delta: -186.3 MB). Peak memory consumption was 29.9 MB. Max. memory is 11.5 GB. [2018-12-08 19:37:40,101 INFO L168 Benchmark]: Boogie Procedure Inliner took 16.30 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-12-08 19:37:40,101 INFO L168 Benchmark]: Boogie Preprocessor took 25.44 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 19:37:40,101 INFO L168 Benchmark]: RCFGBuilder took 276.02 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: 38.2 MB). Peak memory consumption was 38.2 MB. Max. memory is 11.5 GB. [2018-12-08 19:37:40,101 INFO L168 Benchmark]: TraceAbstraction took 327.61 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: 26.9 MB). Peak memory consumption was 26.9 MB. Max. memory is 11.5 GB. [2018-12-08 19:37:40,102 INFO L168 Benchmark]: Witness Printer took 2.81 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 19:37:40,104 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 216.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 962.4 MB in the beginning and 1.1 GB in the end (delta: -186.3 MB). Peak memory consumption was 29.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 16.30 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.44 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 276.02 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: 38.2 MB). Peak memory consumption was 38.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 327.61 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: 26.9 MB). Peak memory consumption was 26.9 MB. Max. memory is 11.5 GB. * Witness Printer took 2.81 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 198]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 197, overapproximation of someUnaryDOUBLEoperation at line 111, overapproximation of bitwiseAnd at line 125, overapproximation of someUnaryFLOAToperation at line 193, overapproximation of someBinaryArithmeticFLOAToperation at line 128. Possible FailurePath: [L24] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L107-L115] 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)=25, \old(one_asin)=11, \old(one_sqrt)=9, \old(pio2_hi_asin)=10, \old(pio2_lo_asin)=20, \old(pio4_hi_asin)=12, \old(pS0_asin)=18, \old(pS1_asin)=13, \old(pS2_asin)=7, \old(pS3_asin)=17, \old(pS4_asin)=23, \old(pS5_asin)=15, \old(qS1_asin)=27, \old(qS2_asin)=24, \old(qS3_asin)=5, \old(qS4_asin)=21, \old(tiny_sqrt)=22, 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] [L193] float x = -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] [L194] CALL, EXPR __ieee754_asinf(x) VAL [\old(x)=14, 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] [L118] float t, w, p, q, c, r, s; [L119] __int32_t hx, ix; VAL [\old(x)=14, 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=14] [L121] ieee_float_shape_type gf_u; [L122] gf_u.value = (x) [L123] EXPR gf_u.word [L123] (hx) = gf_u.word [L125] ix = hx & 0x7fffffff VAL [\old(x)=14, huge_asin=1000000000000000000000000000000, hx=2, 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=14] [L126] COND TRUE ix == 0x3f800000 [L128] return x * pio2_hi_asin + x * pio2_lo_asin; VAL [\old(x)=14, huge_asin=1000000000000000000000000000000, hx=2, 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=14] [L194] RET, EXPR __ieee754_asinf(x) VAL [__ieee754_asinf(x)=26, 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=14] [L194] float res = __ieee754_asinf(x); [L197] EXPR res == -0.0f && __signbit_float(res) == 1 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=26, res == -0.0f && __signbit_float(res) == 1=0, tiny_sqrt=1/1000000000000000000000000000000, x=14] [L197] COND TRUE !(res == -0.0f && __signbit_float(res) == 1) [L198] __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=26, tiny_sqrt=1/1000000000000000000000000000000, x=14] - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 80 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 98 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=80occurred 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, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 256 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 [2018-12-08 19:37:41,357 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 19:37:41,358 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 19:37:41,364 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 19:37:41,364 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 19:37:41,364 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 19:37:41,365 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 19:37:41,366 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 19:37:41,366 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 19:37:41,367 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 19:37:41,367 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 19:37:41,367 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 19:37:41,368 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 19:37:41,368 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 19:37:41,369 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 19:37:41,369 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 19:37:41,370 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 19:37:41,370 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 19:37:41,371 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 19:37:41,372 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 19:37:41,373 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 19:37:41,373 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 19:37:41,374 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 19:37:41,374 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 19:37:41,374 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 19:37:41,375 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 19:37:41,375 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 19:37:41,376 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 19:37:41,376 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 19:37:41,377 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 19:37:41,377 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 19:37:41,377 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 19:37:41,377 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 19:37:41,377 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 19:37:41,378 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 19:37:41,378 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 19:37:41,378 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_30e407d5-cd64-41f7-9862-3da081c10292/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-12-08 19:37:41,385 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 19:37:41,386 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 19:37:41,386 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 19:37:41,386 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 19:37:41,386 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 19:37:41,386 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 19:37:41,387 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 19:37:41,387 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 19:37:41,387 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 19:37:41,387 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 19:37:41,387 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 19:37:41,387 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 19:37:41,387 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 19:37:41,387 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 19:37:41,387 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-08 19:37:41,387 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-08 19:37:41,387 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 19:37:41,387 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 19:37:41,388 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 19:37:41,388 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 19:37:41,388 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 19:37:41,388 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 19:37:41,388 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 19:37:41,388 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 19:37:41,388 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 19:37:41,388 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 19:37:41,388 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 19:37:41,388 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 19:37:41,388 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-12-08 19:37:41,388 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 19:37:41,389 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-08 19:37:41,389 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-08 19:37:41,389 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_30e407d5-cd64-41f7-9862-3da081c10292/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 -> 80f5f1ccd9454019e5b231b920d368e18867583c [2018-12-08 19:37:41,406 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 19:37:41,413 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 19:37:41,415 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 19:37:41,416 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 19:37:41,416 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 19:37:41,417 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_30e407d5-cd64-41f7-9862-3da081c10292/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0270a_true-unreach-call.c [2018-12-08 19:37:41,451 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_30e407d5-cd64-41f7-9862-3da081c10292/bin-2019/uautomizer/data/2c6014c63/ab4e41708c5f41c58b00dee14e27fa49/FLAGa08685c31 [2018-12-08 19:37:41,872 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 19:37:41,873 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_30e407d5-cd64-41f7-9862-3da081c10292/sv-benchmarks/c/float-newlib/float_req_bl_0270a_true-unreach-call.c [2018-12-08 19:37:41,877 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_30e407d5-cd64-41f7-9862-3da081c10292/bin-2019/uautomizer/data/2c6014c63/ab4e41708c5f41c58b00dee14e27fa49/FLAGa08685c31 [2018-12-08 19:37:41,885 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_30e407d5-cd64-41f7-9862-3da081c10292/bin-2019/uautomizer/data/2c6014c63/ab4e41708c5f41c58b00dee14e27fa49 [2018-12-08 19:37:41,887 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 19:37:41,887 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 19:37:41,888 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 19:37:41,888 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 19:37:41,890 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 19:37:41,890 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 07:37:41" (1/1) ... [2018-12-08 19:37:41,892 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@736e3ff3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:37:41, skipping insertion in model container [2018-12-08 19:37:41,892 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 07:37:41" (1/1) ... [2018-12-08 19:37:41,896 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 19:37:41,909 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 19:37:42,025 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 19:37:42,029 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 19:37:42,059 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 19:37:42,075 INFO L195 MainTranslator]: Completed translation [2018-12-08 19:37:42,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:37:42 WrapperNode [2018-12-08 19:37:42,076 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 19:37:42,076 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 19:37:42,076 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 19:37:42,076 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 19:37:42,082 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:37:42" (1/1) ... [2018-12-08 19:37:42,090 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:37:42" (1/1) ... [2018-12-08 19:37:42,095 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 19:37:42,095 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 19:37:42,095 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 19:37:42,095 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 19:37:42,134 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:37:42" (1/1) ... [2018-12-08 19:37:42,134 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:37:42" (1/1) ... [2018-12-08 19:37:42,138 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:37:42" (1/1) ... [2018-12-08 19:37:42,138 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:37:42" (1/1) ... [2018-12-08 19:37:42,153 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:37:42" (1/1) ... [2018-12-08 19:37:42,160 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:37:42" (1/1) ... [2018-12-08 19:37:42,162 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:37:42" (1/1) ... [2018-12-08 19:37:42,164 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 19:37:42,165 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 19:37:42,165 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 19:37:42,165 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 19:37:42,165 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:37:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_30e407d5-cd64-41f7-9862-3da081c10292/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 [2018-12-08 19:37:42,195 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 19:37:42,195 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 19:37:42,195 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_asinf [2018-12-08 19:37:42,195 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_asinf [2018-12-08 19:37:42,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-12-08 19:37:42,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 19:37:42,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 19:37:42,195 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-12-08 19:37:42,195 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-12-08 19:37:42,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 19:37:42,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-08 19:37:42,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 19:37:42,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 19:37:42,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-12-08 19:37:42,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-08 19:37:42,196 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-12-08 19:37:42,196 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-12-08 19:37:42,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 19:37:42,196 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2018-12-08 19:37:42,196 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2018-12-08 19:37:42,307 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 19:37:42,329 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 19:37:51,155 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 19:37:51,176 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 19:37:51,872 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 19:37:51,874 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 19:37:51,874 INFO L280 CfgBuilder]: Removed 18 assue(true) statements. [2018-12-08 19:37:51,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 07:37:51 BoogieIcfgContainer [2018-12-08 19:37:51,875 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 19:37:51,875 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 19:37:51,875 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 19:37:51,877 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 19:37:51,877 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 07:37:41" (1/3) ... [2018-12-08 19:37:51,878 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48d03b30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 07:37:51, skipping insertion in model container [2018-12-08 19:37:51,878 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:37:42" (2/3) ... [2018-12-08 19:37:51,878 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48d03b30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 07:37:51, skipping insertion in model container [2018-12-08 19:37:51,878 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 07:37:51" (3/3) ... [2018-12-08 19:37:51,879 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0270a_true-unreach-call.c [2018-12-08 19:37:51,884 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 19:37:51,890 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 19:37:51,901 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 19:37:51,917 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 19:37:51,918 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 19:37:51,918 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 19:37:51,918 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 19:37:51,918 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 19:37:51,918 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 19:37:51,918 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 19:37:51,918 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 19:37:51,918 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 19:37:51,928 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states. [2018-12-08 19:37:51,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-08 19:37:51,932 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:37:51,932 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 19:37:51,933 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 19:37:51,936 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:37:51,937 INFO L82 PathProgramCache]: Analyzing trace with hash -874682043, now seen corresponding path program 1 times [2018-12-08 19:37:51,939 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 19:37:51,939 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_30e407d5-cd64-41f7-9862-3da081c10292/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 [2018-12-08 19:37:51,943 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:37:52,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:37:52,128 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 19:37:52,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:37:52,139 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 19:37:52,149 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 19:37:52,150 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 19:37:52,152 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-08 19:37:52,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-08 19:37:52,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 19:37:52,161 INFO L87 Difference]: Start difference. First operand 80 states. Second operand 2 states. [2018-12-08 19:37:52,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:37:52,178 INFO L93 Difference]: Finished difference Result 152 states and 229 transitions. [2018-12-08 19:37:52,178 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-08 19:37:52,179 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 17 [2018-12-08 19:37:52,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:37:52,185 INFO L225 Difference]: With dead ends: 152 [2018-12-08 19:37:52,185 INFO L226 Difference]: Without dead ends: 76 [2018-12-08 19:37:52,187 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 19:37:52,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2018-12-08 19:37:52,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2018-12-08 19:37:52,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-12-08 19:37:52,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 94 transitions. [2018-12-08 19:37:52,212 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 94 transitions. Word has length 17 [2018-12-08 19:37:52,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:37:52,212 INFO L480 AbstractCegarLoop]: Abstraction has 76 states and 94 transitions. [2018-12-08 19:37:52,212 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-08 19:37:52,212 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 94 transitions. [2018-12-08 19:37:52,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-08 19:37:52,213 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:37:52,213 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 19:37:52,213 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 19:37:52,213 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:37:52,214 INFO L82 PathProgramCache]: Analyzing trace with hash -1166852346, now seen corresponding path program 1 times [2018-12-08 19:37:52,214 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 19:37:52,214 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_30e407d5-cd64-41f7-9862-3da081c10292/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 [2018-12-08 19:37:52,217 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:37:52,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:37:52,382 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 19:37:52,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:37:52,467 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 19:37:52,478 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 19:37:52,478 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 19:37:52,479 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 19:37:52,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 19:37:52,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-08 19:37:52,480 INFO L87 Difference]: Start difference. First operand 76 states and 94 transitions. Second operand 7 states. [2018-12-08 19:37:58,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:37:58,361 INFO L93 Difference]: Finished difference Result 94 states and 113 transitions. [2018-12-08 19:37:58,362 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 19:37:58,362 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2018-12-08 19:37:58,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:37:58,364 INFO L225 Difference]: With dead ends: 94 [2018-12-08 19:37:58,364 INFO L226 Difference]: Without dead ends: 79 [2018-12-08 19:37:58,364 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-12-08 19:37:58,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2018-12-08 19:37:58,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 76. [2018-12-08 19:37:58,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-12-08 19:37:58,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 93 transitions. [2018-12-08 19:37:58,371 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 93 transitions. Word has length 18 [2018-12-08 19:37:58,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:37:58,371 INFO L480 AbstractCegarLoop]: Abstraction has 76 states and 93 transitions. [2018-12-08 19:37:58,371 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 19:37:58,371 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 93 transitions. [2018-12-08 19:37:58,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-08 19:37:58,371 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:37:58,372 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 19:37:58,372 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 19:37:58,372 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:37:58,372 INFO L82 PathProgramCache]: Analyzing trace with hash -1525807933, now seen corresponding path program 1 times [2018-12-08 19:37:58,372 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 19:37:58,372 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_30e407d5-cd64-41f7-9862-3da081c10292/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 [2018-12-08 19:37:58,375 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:37:58,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:37:58,582 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 19:37:58,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:37:58,647 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 19:37:58,656 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 19:37:58,656 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 19:37:58,656 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 19:37:58,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 19:37:58,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-08 19:37:58,657 INFO L87 Difference]: Start difference. First operand 76 states and 93 transitions. Second operand 7 states. [2018-12-08 19:38:03,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:38:03,928 INFO L93 Difference]: Finished difference Result 94 states and 112 transitions. [2018-12-08 19:38:03,929 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 19:38:03,929 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2018-12-08 19:38:03,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:38:03,930 INFO L225 Difference]: With dead ends: 94 [2018-12-08 19:38:03,930 INFO L226 Difference]: Without dead ends: 79 [2018-12-08 19:38:03,930 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-12-08 19:38:03,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2018-12-08 19:38:03,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 76. [2018-12-08 19:38:03,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-12-08 19:38:03,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 92 transitions. [2018-12-08 19:38:03,935 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 92 transitions. Word has length 19 [2018-12-08 19:38:03,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:38:03,935 INFO L480 AbstractCegarLoop]: Abstraction has 76 states and 92 transitions. [2018-12-08 19:38:03,935 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 19:38:03,935 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 92 transitions. [2018-12-08 19:38:03,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-08 19:38:03,935 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:38:03,936 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] [2018-12-08 19:38:03,936 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 19:38:03,936 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:38:03,936 INFO L82 PathProgramCache]: Analyzing trace with hash -1541354995, now seen corresponding path program 1 times [2018-12-08 19:38:03,936 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 19:38:03,936 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_30e407d5-cd64-41f7-9862-3da081c10292/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 [2018-12-08 19:38:03,939 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:38:04,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:38:04,880 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 19:38:04,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:38:04,961 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 19:38:04,978 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 19:38:04,978 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 19:38:04,979 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 19:38:04,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 19:38:04,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-08 19:38:04,979 INFO L87 Difference]: Start difference. First operand 76 states and 92 transitions. Second operand 7 states. [2018-12-08 19:38:09,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:38:09,289 INFO L93 Difference]: Finished difference Result 104 states and 124 transitions. [2018-12-08 19:38:09,290 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 19:38:09,290 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 21 [2018-12-08 19:38:09,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:38:09,291 INFO L225 Difference]: With dead ends: 104 [2018-12-08 19:38:09,291 INFO L226 Difference]: Without dead ends: 76 [2018-12-08 19:38:09,292 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 [2018-12-08 19:38:09,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2018-12-08 19:38:09,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2018-12-08 19:38:09,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-12-08 19:38:09,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 89 transitions. [2018-12-08 19:38:09,301 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 89 transitions. Word has length 21 [2018-12-08 19:38:09,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:38:09,301 INFO L480 AbstractCegarLoop]: Abstraction has 76 states and 89 transitions. [2018-12-08 19:38:09,301 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 19:38:09,301 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 89 transitions. [2018-12-08 19:38:09,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-08 19:38:09,302 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:38:09,302 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] [2018-12-08 19:38:09,302 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 19:38:09,302 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:38:09,303 INFO L82 PathProgramCache]: Analyzing trace with hash 719843597, now seen corresponding path program 1 times [2018-12-08 19:38:09,303 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 19:38:09,303 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_30e407d5-cd64-41f7-9862-3da081c10292/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 [2018-12-08 19:38:09,308 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:38:09,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:38:09,375 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 19:38:09,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:38:09,427 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 19:38:09,439 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 19:38:09,440 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 19:38:09,440 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 19:38:09,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 19:38:09,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-08 19:38:09,440 INFO L87 Difference]: Start difference. First operand 76 states and 89 transitions. Second operand 7 states. [2018-12-08 19:38:09,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:38:09,724 INFO L93 Difference]: Finished difference Result 83 states and 96 transitions. [2018-12-08 19:38:09,724 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 19:38:09,724 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 22 [2018-12-08 19:38:09,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:38:09,725 INFO L225 Difference]: With dead ends: 83 [2018-12-08 19:38:09,725 INFO L226 Difference]: Without dead ends: 80 [2018-12-08 19:38:09,726 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-12-08 19:38:09,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2018-12-08 19:38:09,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2018-12-08 19:38:09,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2018-12-08 19:38:09,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 93 transitions. [2018-12-08 19:38:09,731 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 93 transitions. Word has length 22 [2018-12-08 19:38:09,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:38:09,731 INFO L480 AbstractCegarLoop]: Abstraction has 80 states and 93 transitions. [2018-12-08 19:38:09,731 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 19:38:09,731 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 93 transitions. [2018-12-08 19:38:09,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-08 19:38:09,731 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:38:09,731 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 19:38:09,732 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 19:38:09,732 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:38:09,732 INFO L82 PathProgramCache]: Analyzing trace with hash 1319927051, now seen corresponding path program 1 times [2018-12-08 19:38:09,732 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 19:38:09,732 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_30e407d5-cd64-41f7-9862-3da081c10292/bin-2019/uautomizer/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2018-12-08 19:38:09,736 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:38:09,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:38:09,811 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 19:38:09,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:38:09,954 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 19:38:09,964 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 19:38:09,964 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-12-08 19:38:09,965 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-12-08 19:38:09,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-12-08 19:38:09,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2018-12-08 19:38:09,965 INFO L87 Difference]: Start difference. First operand 80 states and 93 transitions. Second operand 12 states. [2018-12-08 19:38:10,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:38:10,525 INFO L93 Difference]: Finished difference Result 85 states and 98 transitions. [2018-12-08 19:38:10,526 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-08 19:38:10,526 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 30 [2018-12-08 19:38:10,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:38:10,526 INFO L225 Difference]: With dead ends: 85 [2018-12-08 19:38:10,527 INFO L226 Difference]: Without dead ends: 76 [2018-12-08 19:38:10,527 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2018-12-08 19:38:10,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2018-12-08 19:38:10,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2018-12-08 19:38:10,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-12-08 19:38:10,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 88 transitions. [2018-12-08 19:38:10,532 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 88 transitions. Word has length 30 [2018-12-08 19:38:10,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:38:10,533 INFO L480 AbstractCegarLoop]: Abstraction has 76 states and 88 transitions. [2018-12-08 19:38:10,533 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-12-08 19:38:10,533 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 88 transitions. [2018-12-08 19:38:10,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-08 19:38:10,534 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:38:10,534 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, 1, 1, 1, 1] [2018-12-08 19:38:10,534 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 19:38:10,534 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:38:10,534 INFO L82 PathProgramCache]: Analyzing trace with hash -1646459894, now seen corresponding path program 1 times [2018-12-08 19:38:10,535 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 19:38:10,535 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_30e407d5-cd64-41f7-9862-3da081c10292/bin-2019/uautomizer/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2018-12-08 19:38:10,538 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:38:11,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:38:11,973 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 19:38:12,765 WARN L180 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-12-08 19:38:13,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:38:13,038 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 19:38:13,060 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 19:38:13,060 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 19:38:13,060 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 19:38:13,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 19:38:13,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-08 19:38:13,061 INFO L87 Difference]: Start difference. First operand 76 states and 88 transitions. Second operand 6 states. [2018-12-08 19:38:14,297 WARN L180 SmtUtils]: Spent 494.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-12-08 19:38:17,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:38:17,362 INFO L93 Difference]: Finished difference Result 76 states and 88 transitions. [2018-12-08 19:38:17,367 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 19:38:17,367 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 48 [2018-12-08 19:38:17,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:38:17,367 INFO L225 Difference]: With dead ends: 76 [2018-12-08 19:38:17,368 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 19:38:17,368 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 40 SyntacticMatches, 3 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-08 19:38:17,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 19:38:17,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 19:38:17,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 19:38:17,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 19:38:17,368 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 48 [2018-12-08 19:38:17,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:38:17,368 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 19:38:17,368 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 19:38:17,369 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 19:38:17,369 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 19:38:17,371 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 19:38:18,001 WARN L180 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2018-12-08 19:38:18,379 WARN L180 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2018-12-08 19:38:18,832 WARN L180 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2018-12-08 19:38:18,862 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-08 19:38:18,862 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-08 19:38:18,863 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 19:38:18,863 INFO L448 ceAbstractionStarter]: For program point L99-2(lines 99 103) no Hoare annotation was computed. [2018-12-08 19:38:18,863 INFO L448 ceAbstractionStarter]: For program point fabs_floatFINAL(lines 92 105) no Hoare annotation was computed. [2018-12-08 19:38:18,863 INFO L448 ceAbstractionStarter]: For program point L94-1(lines 94 98) no Hoare annotation was computed. [2018-12-08 19:38:18,863 INFO L451 ceAbstractionStarter]: At program point L94-2(lines 94 98) the Hoare annotation is: true [2018-12-08 19:38:18,863 INFO L448 ceAbstractionStarter]: For program point fabs_floatEXIT(lines 92 105) no Hoare annotation was computed. [2018-12-08 19:38:18,863 INFO L451 ceAbstractionStarter]: At program point fabs_floatENTRY(lines 92 105) the Hoare annotation is: true [2018-12-08 19:38:18,863 INFO L448 ceAbstractionStarter]: For program point L99(lines 99 103) no Hoare annotation was computed. [2018-12-08 19:38:18,863 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 92 105) no Hoare annotation was computed. [2018-12-08 19:38:18,863 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 19:38:18,863 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~one_asin~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0))) (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_asin~0)) [2018-12-08 19:38:18,863 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 19:38:18,863 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 19:38:18,863 INFO L448 ceAbstractionStarter]: For program point L194-1(line 194) no Hoare annotation was computed. [2018-12-08 19:38:18,863 INFO L448 ceAbstractionStarter]: For program point L197-4(lines 197 200) no Hoare annotation was computed. [2018-12-08 19:38:18,863 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 185 203) the Hoare annotation is: true [2018-12-08 19:38:18,863 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 185 203) no Hoare annotation was computed. [2018-12-08 19:38:18,863 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 185 203) no Hoare annotation was computed. [2018-12-08 19:38:18,863 INFO L448 ceAbstractionStarter]: For program point L198(line 198) no Hoare annotation was computed. [2018-12-08 19:38:18,864 INFO L448 ceAbstractionStarter]: For program point L197(line 197) no Hoare annotation was computed. [2018-12-08 19:38:18,864 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 198) no Hoare annotation was computed. [2018-12-08 19:38:18,864 INFO L444 ceAbstractionStarter]: At program point L197-1(line 197) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_asin~0)) (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and (= main_~res~0 .cse0) (= main_~x~0 .cse0) |main_#t~short21|)) (not (= ~one_asin~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0))))) [2018-12-08 19:38:18,864 INFO L448 ceAbstractionStarter]: For program point L197-2(line 197) no Hoare annotation was computed. [2018-12-08 19:38:18,864 INFO L444 ceAbstractionStarter]: At program point L194(line 194) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_asin~0)) (= main_~x~0 (fp.neg (_ +zero 8 24))) (not (= ~one_asin~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0))))) [2018-12-08 19:38:18,864 INFO L444 ceAbstractionStarter]: At program point L163-2(lines 163 167) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_asin~0)) (not (= ~one_asin~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0)))) (and (= |__ieee754_asinf_#in~x| __ieee754_asinf_~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|) (not (bvslt (bvand (_ bv2147483647 32) __ieee754_asinf_~hx~1) (_ bv838860800 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))))) [2018-12-08 19:38:18,864 INFO L448 ceAbstractionStarter]: For program point L126(lines 126 146) no Hoare annotation was computed. [2018-12-08 19:38:18,864 INFO L448 ceAbstractionStarter]: For program point L168(lines 168 172) no Hoare annotation was computed. [2018-12-08 19:38:18,864 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 160 178) no Hoare annotation was computed. [2018-12-08 19:38:18,864 INFO L448 ceAbstractionStarter]: For program point L168-2(lines 168 172) no Hoare annotation was computed. [2018-12-08 19:38:18,864 INFO L448 ceAbstractionStarter]: For program point L131(lines 131 146) no Hoare annotation was computed. [2018-12-08 19:38:18,864 INFO L444 ceAbstractionStarter]: At program point L131-1(lines 131 146) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_asin~0)) (not (= ~one_asin~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0)))) (and (= |__ieee754_asinf_#in~x| __ieee754_asinf_~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|) (not (bvslt (bvand (_ bv2147483647 32) __ieee754_asinf_~hx~1) (_ bv838860800 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))))) [2018-12-08 19:38:18,864 INFO L444 ceAbstractionStarter]: At program point L156(line 156) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_asin~0)) (not (= ~one_asin~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0)))) (and (= |__ieee754_asinf_#in~x| __ieee754_asinf_~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|) (not (bvslt (bvand (_ bv2147483647 32) __ieee754_asinf_~hx~1) (_ bv838860800 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))))) [2018-12-08 19:38:18,865 INFO L448 ceAbstractionStarter]: For program point L156-1(line 156) no Hoare annotation was computed. [2018-12-08 19:38:18,865 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-12-08 19:38:18,865 INFO L448 ceAbstractionStarter]: For program point L132(lines 132 145) no Hoare annotation was computed. [2018-12-08 19:38:18,865 INFO L448 ceAbstractionStarter]: For program point L157(lines 157 178) no Hoare annotation was computed. [2018-12-08 19:38:18,865 INFO L448 ceAbstractionStarter]: For program point L157-2(lines 117 183) no Hoare annotation was computed. [2018-12-08 19:38:18,865 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 120 124) no Hoare annotation was computed. [2018-12-08 19:38:18,865 INFO L444 ceAbstractionStarter]: At program point L120-2(lines 120 124) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_asin~0)) (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) (not (= ~one_asin~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0))))) [2018-12-08 19:38:18,865 INFO L448 ceAbstractionStarter]: For program point L120-3(lines 120 124) no Hoare annotation was computed. [2018-12-08 19:38:18,865 INFO L451 ceAbstractionStarter]: At program point __ieee754_asinfENTRY(lines 117 183) the Hoare annotation is: true [2018-12-08 19:38:18,865 INFO L448 ceAbstractionStarter]: For program point L133(lines 133 134) no Hoare annotation was computed. [2018-12-08 19:38:18,865 INFO L448 ceAbstractionStarter]: For program point __ieee754_asinfFINAL(lines 117 183) no Hoare annotation was computed. [2018-12-08 19:38:18,865 INFO L448 ceAbstractionStarter]: For program point L129(lines 129 146) no Hoare annotation was computed. [2018-12-08 19:38:18,865 INFO L448 ceAbstractionStarter]: For program point __ieee754_asinfEXIT(lines 117 183) no Hoare annotation was computed. [2018-12-08 19:38:18,865 INFO L448 ceAbstractionStarter]: For program point L163-1(lines 163 167) no Hoare annotation was computed. [2018-12-08 19:38:18,865 INFO L448 ceAbstractionStarter]: For program point L64(lines 64 68) no Hoare annotation was computed. [2018-12-08 19:38:18,865 INFO L448 ceAbstractionStarter]: For program point L31-1(lines 31 35) no Hoare annotation was computed. [2018-12-08 19:38:18,865 INFO L448 ceAbstractionStarter]: For program point L64-2(lines 64 68) no Hoare annotation was computed. [2018-12-08 19:38:18,865 INFO L451 ceAbstractionStarter]: At program point L31-2(lines 31 35) the Hoare annotation is: true [2018-12-08 19:38:18,865 INFO L448 ceAbstractionStarter]: For program point L31-3(lines 31 35) no Hoare annotation was computed. [2018-12-08 19:38:18,865 INFO L448 ceAbstractionStarter]: For program point L85-1(lines 85 89) no Hoare annotation was computed. [2018-12-08 19:38:18,865 INFO L451 ceAbstractionStarter]: At program point L85-2(lines 85 89) the Hoare annotation is: true [2018-12-08 19:38:18,866 INFO L448 ceAbstractionStarter]: For program point L85-3(lines 85 89) no Hoare annotation was computed. [2018-12-08 19:38:18,866 INFO L448 ceAbstractionStarter]: For program point L48-2(lines 48 49) no Hoare annotation was computed. [2018-12-08 19:38:18,866 INFO L451 ceAbstractionStarter]: At program point L48-3(lines 48 49) the Hoare annotation is: true [2018-12-08 19:38:18,866 INFO L448 ceAbstractionStarter]: For program point L77(lines 77 80) no Hoare annotation was computed. [2018-12-08 19:38:18,866 INFO L448 ceAbstractionStarter]: For program point L48-4(lines 48 49) no Hoare annotation was computed. [2018-12-08 19:38:18,866 INFO L448 ceAbstractionStarter]: For program point L73(lines 73 82) no Hoare annotation was computed. [2018-12-08 19:38:18,866 INFO L451 ceAbstractionStarter]: At program point __ieee754_sqrtfENTRY(lines 26 91) the Hoare annotation is: true [2018-12-08 19:38:18,866 INFO L448 ceAbstractionStarter]: For program point L41(lines 41 42) no Hoare annotation was computed. [2018-12-08 19:38:18,866 INFO L448 ceAbstractionStarter]: For program point __ieee754_sqrtfFINAL(lines 26 91) no Hoare annotation was computed. [2018-12-08 19:38:18,866 INFO L451 ceAbstractionStarter]: At program point L62-2(lines 62 71) the Hoare annotation is: true [2018-12-08 19:38:18,866 INFO L448 ceAbstractionStarter]: For program point L62-3(lines 26 91) no Hoare annotation was computed. [2018-12-08 19:38:18,866 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 55) no Hoare annotation was computed. [2018-12-08 19:38:18,866 INFO L448 ceAbstractionStarter]: For program point L54-2(lines 54 55) no Hoare annotation was computed. [2018-12-08 19:38:18,866 INFO L448 ceAbstractionStarter]: For program point __ieee754_sqrtfEXIT(lines 26 91) no Hoare annotation was computed. [2018-12-08 19:38:18,866 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2018-12-08 19:38:18,866 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 39) no Hoare annotation was computed. [2018-12-08 19:38:18,866 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 51) no Hoare annotation was computed. [2018-12-08 19:38:18,866 INFO L448 ceAbstractionStarter]: For program point L47-2(lines 47 51) no Hoare annotation was computed. [2018-12-08 19:38:18,866 INFO L448 ceAbstractionStarter]: For program point L43(lines 43 44) no Hoare annotation was computed. [2018-12-08 19:38:18,866 INFO L448 ceAbstractionStarter]: For program point __signbit_floatFINAL(lines 12 22) no Hoare annotation was computed. [2018-12-08 19:38:18,867 INFO L451 ceAbstractionStarter]: At program point __signbit_floatENTRY(lines 12 22) the Hoare annotation is: true [2018-12-08 19:38:18,867 INFO L448 ceAbstractionStarter]: For program point L15-1(lines 15 19) no Hoare annotation was computed. [2018-12-08 19:38:18,867 INFO L444 ceAbstractionStarter]: At program point L15-2(lines 15 19) the Hoare annotation is: (= |__signbit_float_#in~x| __signbit_float_~x) [2018-12-08 19:38:18,867 INFO L448 ceAbstractionStarter]: For program point L15-3(lines 15 19) no Hoare annotation was computed. [2018-12-08 19:38:18,867 INFO L448 ceAbstractionStarter]: For program point __signbit_floatEXIT(lines 12 22) no Hoare annotation was computed. [2018-12-08 19:38:18,874 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 19:38:18,874 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 19:38:18,874 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 19:38:18,874 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 19:38:18,875 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-08 19:38:18,875 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-08 19:38:18,875 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-08 19:38:18,875 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-08 19:38:18,875 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-08 19:38:18,875 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-08 19:38:18,875 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-08 19:38:18,875 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-08 19:38:18,876 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 19:38:18,876 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 19:38:18,876 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 19:38:18,876 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 19:38:18,877 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-08 19:38:18,877 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-08 19:38:18,877 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-08 19:38:18,877 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-08 19:38:18,877 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-08 19:38:18,877 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-08 19:38:18,877 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-08 19:38:18,877 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-08 19:38:18,878 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 19:38:18,878 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 19:38:18,878 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 19:38:18,878 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 19:38:18,878 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 19:38:18,878 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 19:38:18,878 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 19:38:18,878 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 19:38:18,879 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 07:38:18 BoogieIcfgContainer [2018-12-08 19:38:18,880 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 19:38:18,880 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 19:38:18,880 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 19:38:18,880 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 19:38:18,880 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 07:37:51" (3/4) ... [2018-12-08 19:38:18,882 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 19:38:18,886 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 19:38:18,886 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_float [2018-12-08 19:38:18,886 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 19:38:18,886 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_asinf [2018-12-08 19:38:18,886 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrtf [2018-12-08 19:38:18,887 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __signbit_float [2018-12-08 19:38:18,890 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-12-08 19:38:18,890 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-12-08 19:38:18,890 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-08 19:38:18,890 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 19:38:18,906 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E30)) == huge_asin) || \old(x) == x) || !(one_asin == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0))) [2018-12-08 19:38:18,906 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-12-08 19:38:18,907 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E30)) == huge_asin) || !(one_asin == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)))) || (((\old(x) == 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) && !~bvslt32(~bvand32(2147483647bv32, __ieee754_asinf_~hx~1), 838860800bv32))) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[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)) [2018-12-08 19:38:18,923 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_30e407d5-cd64-41f7-9862-3da081c10292/bin-2019/uautomizer/witness.graphml [2018-12-08 19:38:18,924 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 19:38:18,924 INFO L168 Benchmark]: Toolchain (without parser) took 37037.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 200.3 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -181.5 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. [2018-12-08 19:38:18,924 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 19:38:18,925 INFO L168 Benchmark]: CACSL2BoogieTranslator took 188.03 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 928.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-08 19:38:18,925 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.66 ms. Allocated memory is still 1.0 GB. Free memory was 928.6 MB in the beginning and 923.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-08 19:38:18,925 INFO L168 Benchmark]: Boogie Preprocessor took 69.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 923.2 MB in the beginning and 1.1 GB in the end (delta: -198.8 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2018-12-08 19:38:18,925 INFO L168 Benchmark]: RCFGBuilder took 9710.25 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: 54.0 MB). Peak memory consumption was 54.0 MB. Max. memory is 11.5 GB. [2018-12-08 19:38:18,925 INFO L168 Benchmark]: TraceAbstraction took 27004.45 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 66.1 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -65.5 MB). Peak memory consumption was 604.7 kB. Max. memory is 11.5 GB. [2018-12-08 19:38:18,925 INFO L168 Benchmark]: Witness Printer took 43.81 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: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 11.5 GB. [2018-12-08 19:38:18,926 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 188.03 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 928.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.66 ms. Allocated memory is still 1.0 GB. Free memory was 928.6 MB in the beginning and 923.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 69.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 923.2 MB in the beginning and 1.1 GB in the end (delta: -198.8 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 9710.25 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: 54.0 MB). Peak memory consumption was 54.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 27004.45 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 66.1 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -65.5 MB). Peak memory consumption was 604.7 kB. Max. memory is 11.5 GB. * Witness Printer took 43.81 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: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - 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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - 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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 198]: 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: 15]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 31]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 163]: Loop Invariant [2018-12-08 19:38:18,929 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 19:38:18,929 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 19:38:18,929 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 19:38:18,929 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 19:38:18,929 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-08 19:38:18,929 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-08 19:38:18,929 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-08 19:38:18,930 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-08 19:38:18,930 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-08 19:38:18,930 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-08 19:38:18,930 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-08 19:38:18,930 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-08 19:38:18,930 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 19:38:18,930 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 19:38:18,930 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 19:38:18,930 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 19:38:18,931 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-08 19:38:18,931 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-08 19:38:18,931 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-08 19:38:18,931 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-08 19:38:18,931 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-08 19:38:18,931 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-08 19:38:18,931 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-08 19:38:18,931 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] Derived loop invariant: (!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E30)) == huge_asin) || !(one_asin == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)))) || (((\old(x) == 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) && !~bvslt32(~bvand32(2147483647bv32, __ieee754_asinf_~hx~1), 838860800bv32))) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[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: 120]: Loop Invariant [2018-12-08 19:38:18,931 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 19:38:18,931 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 19:38:18,932 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 19:38:18,932 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 19:38:18,932 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 19:38:18,932 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 19:38:18,932 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 19:38:18,932 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E30)) == huge_asin) || \old(x) == x) || !(one_asin == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0))) - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 80 locations, 1 error locations. SAFE Result, 26.9s OverallTime, 7 OverallIterations, 1 TraceHistogramMax, 20.6s AutomataDifference, 0.0s DeadEndRemovalTime, 1.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 569 SDtfs, 354 SDslu, 2332 SDs, 0 SdLazy, 346 SolverSat, 44 SolverUnsat, 6 SolverUnknown, 0 SolverNotchecked, 18.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 188 GetRequests, 131 SyntacticMatches, 3 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=80occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 7 MinimizatonAttempts, 6 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 20 LocationsWithAnnotation, 44 PreInvPairs, 63 NumberOfFragments, 287 HoareAnnotationTreeSize, 44 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 20 FomulaSimplificationsInter, 459 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 2.7s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 175 NumberOfCodeBlocks, 175 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 168 ConstructedInterpolants, 15 QuantifiedInterpolants, 47445 SizeOfPredicates, 25 NumberOfNonLiveVariables, 821 ConjunctsInSsa, 54 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...