./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0270b_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_621baa8d-01d1-41f5-9057-a9e7e4d1c416/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_621baa8d-01d1-41f5-9057-a9e7e4d1c416/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_621baa8d-01d1-41f5-9057-a9e7e4d1c416/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_621baa8d-01d1-41f5-9057-a9e7e4d1c416/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0270b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_621baa8d-01d1-41f5-9057-a9e7e4d1c416/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_621baa8d-01d1-41f5-9057-a9e7e4d1c416/bin-2019/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e244339627025cb250c22854e0eaa32467bc4188 ..................................................................................................................................................................................................................................................................................................................................... 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_621baa8d-01d1-41f5-9057-a9e7e4d1c416/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_621baa8d-01d1-41f5-9057-a9e7e4d1c416/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_621baa8d-01d1-41f5-9057-a9e7e4d1c416/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_621baa8d-01d1-41f5-9057-a9e7e4d1c416/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0270b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_621baa8d-01d1-41f5-9057-a9e7e4d1c416/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_621baa8d-01d1-41f5-9057-a9e7e4d1c416/bin-2019/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e244339627025cb250c22854e0eaa32467bc4188 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 00:42:48,277 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 00:42:48,278 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 00:42:48,284 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 00:42:48,285 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 00:42:48,285 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 00:42:48,286 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 00:42:48,287 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 00:42:48,288 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 00:42:48,288 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 00:42:48,289 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 00:42:48,289 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 00:42:48,289 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 00:42:48,290 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 00:42:48,290 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 00:42:48,291 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 00:42:48,291 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 00:42:48,292 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 00:42:48,293 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 00:42:48,294 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 00:42:48,295 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 00:42:48,295 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 00:42:48,296 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 00:42:48,297 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 00:42:48,297 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 00:42:48,297 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 00:42:48,298 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 00:42:48,298 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 00:42:48,299 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 00:42:48,299 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 00:42:48,299 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 00:42:48,300 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 00:42:48,300 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 00:42:48,300 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 00:42:48,301 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 00:42:48,301 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 00:42:48,301 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_621baa8d-01d1-41f5-9057-a9e7e4d1c416/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 00:42:48,309 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 00:42:48,309 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 00:42:48,309 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 00:42:48,310 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 00:42:48,310 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 00:42:48,310 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 00:42:48,310 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 00:42:48,310 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 00:42:48,310 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 00:42:48,310 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 00:42:48,310 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 00:42:48,311 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 00:42:48,311 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 00:42:48,311 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 00:42:48,311 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 00:42:48,311 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 00:42:48,311 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 00:42:48,312 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 00:42:48,312 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 00:42:48,312 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 00:42:48,312 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 00:42:48,312 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 00:42:48,312 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 00:42:48,312 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 00:42:48,312 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 00:42:48,313 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 00:42:48,313 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 00:42:48,313 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 00:42:48,313 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 00:42:48,313 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 00:42:48,313 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 00:42:48,313 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 00:42:48,313 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 00:42:48,314 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 00:42:48,314 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 00:42:48,314 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 00:42:48,314 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_621baa8d-01d1-41f5-9057-a9e7e4d1c416/bin-2019/utaipan 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 -> Taipan 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 -> e244339627025cb250c22854e0eaa32467bc4188 [2018-12-09 00:42:48,332 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 00:42:48,341 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 00:42:48,344 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 00:42:48,345 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 00:42:48,346 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 00:42:48,346 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_621baa8d-01d1-41f5-9057-a9e7e4d1c416/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0270b_true-unreach-call.c [2018-12-09 00:42:48,390 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_621baa8d-01d1-41f5-9057-a9e7e4d1c416/bin-2019/utaipan/data/ac743a02e/8b983251b8ed4915a7899976c62d18fc/FLAG93afcd760 [2018-12-09 00:42:48,786 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 00:42:48,786 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_621baa8d-01d1-41f5-9057-a9e7e4d1c416/sv-benchmarks/c/float-newlib/float_req_bl_0270b_true-unreach-call.c [2018-12-09 00:42:48,790 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_621baa8d-01d1-41f5-9057-a9e7e4d1c416/bin-2019/utaipan/data/ac743a02e/8b983251b8ed4915a7899976c62d18fc/FLAG93afcd760 [2018-12-09 00:42:48,798 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_621baa8d-01d1-41f5-9057-a9e7e4d1c416/bin-2019/utaipan/data/ac743a02e/8b983251b8ed4915a7899976c62d18fc [2018-12-09 00:42:48,801 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 00:42:48,801 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 00:42:48,802 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 00:42:48,802 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 00:42:48,804 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 00:42:48,804 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:42:48" (1/1) ... [2018-12-09 00:42:48,806 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 09.12 12:42:48, skipping insertion in model container [2018-12-09 00:42:48,807 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:42:48" (1/1) ... [2018-12-09 00:42:48,812 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 00:42:48,828 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 00:42:48,947 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:42:48,949 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 00:42:48,976 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:42:49,019 INFO L195 MainTranslator]: Completed translation [2018-12-09 00:42:49,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:42:49 WrapperNode [2018-12-09 00:42:49,020 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 00:42:49,020 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 00:42:49,020 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 00:42:49,020 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 00:42:49,027 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:42:49" (1/1) ... [2018-12-09 00:42:49,036 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:42:49" (1/1) ... [2018-12-09 00:42:49,042 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 00:42:49,042 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 00:42:49,042 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 00:42:49,042 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 00:42:49,048 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:42:49" (1/1) ... [2018-12-09 00:42:49,048 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:42:49" (1/1) ... [2018-12-09 00:42:49,050 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:42:49" (1/1) ... [2018-12-09 00:42:49,050 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:42:49" (1/1) ... [2018-12-09 00:42:49,059 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:42:49" (1/1) ... [2018-12-09 00:42:49,064 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:42:49" (1/1) ... [2018-12-09 00:42:49,065 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:42:49" (1/1) ... [2018-12-09 00:42:49,067 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 00:42:49,067 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 00:42:49,067 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 00:42:49,068 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 00:42:49,068 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:42:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_621baa8d-01d1-41f5-9057-a9e7e4d1c416/bin-2019/utaipan/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 [2018-12-09 00:42:49,099 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 00:42:49,099 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 00:42:49,099 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_asinf [2018-12-09 00:42:49,099 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_asinf [2018-12-09 00:42:49,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-09 00:42:49,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-09 00:42:49,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 00:42:49,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 00:42:49,099 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-12-09 00:42:49,099 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-12-09 00:42:49,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-09 00:42:49,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 00:42:49,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 00:42:49,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 00:42:49,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-09 00:42:49,100 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-12-09 00:42:49,100 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-12-09 00:42:49,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 00:42:49,100 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2018-12-09 00:42:49,100 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2018-12-09 00:42:49,353 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 00:42:49,354 INFO L280 CfgBuilder]: Removed 18 assue(true) statements. [2018-12-09 00:42:49,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:42:49 BoogieIcfgContainer [2018-12-09 00:42:49,354 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 00:42:49,354 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 00:42:49,355 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 00:42:49,356 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 00:42:49,356 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 12:42:48" (1/3) ... [2018-12-09 00:42:49,357 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35244e93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:42:49, skipping insertion in model container [2018-12-09 00:42:49,357 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:42:49" (2/3) ... [2018-12-09 00:42:49,357 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35244e93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:42:49, skipping insertion in model container [2018-12-09 00:42:49,357 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:42:49" (3/3) ... [2018-12-09 00:42:49,358 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0270b_true-unreach-call.c [2018-12-09 00:42:49,364 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 00:42:49,368 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 00:42:49,377 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 00:42:49,396 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 00:42:49,396 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 00:42:49,396 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 00:42:49,396 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 00:42:49,396 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 00:42:49,396 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 00:42:49,396 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 00:42:49,396 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 00:42:49,407 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states. [2018-12-09 00:42:49,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-09 00:42:49,412 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:42:49,412 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:42:49,413 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:42:49,416 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:42:49,417 INFO L82 PathProgramCache]: Analyzing trace with hash -874682043, now seen corresponding path program 1 times [2018-12-09 00:42:49,418 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:42:49,445 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:42:49,445 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:42:49,446 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:42:49,446 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:42:49,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:42:49,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:42:49,509 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:42:49,509 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 00:42:49,509 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:42:49,512 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 00:42:49,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 00:42:49,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 00:42:49,521 INFO L87 Difference]: Start difference. First operand 80 states. Second operand 2 states. [2018-12-09 00:42:49,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:42:49,538 INFO L93 Difference]: Finished difference Result 152 states and 229 transitions. [2018-12-09 00:42:49,538 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 00:42:49,539 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 17 [2018-12-09 00:42:49,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:42:49,545 INFO L225 Difference]: With dead ends: 152 [2018-12-09 00:42:49,545 INFO L226 Difference]: Without dead ends: 76 [2018-12-09 00:42:49,547 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 [2018-12-09 00:42:49,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2018-12-09 00:42:49,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2018-12-09 00:42:49,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-12-09 00:42:49,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 94 transitions. [2018-12-09 00:42:49,571 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 94 transitions. Word has length 17 [2018-12-09 00:42:49,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:42:49,571 INFO L480 AbstractCegarLoop]: Abstraction has 76 states and 94 transitions. [2018-12-09 00:42:49,571 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 00:42:49,571 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 94 transitions. [2018-12-09 00:42:49,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-09 00:42:49,572 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:42:49,572 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:42:49,572 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:42:49,572 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:42:49,572 INFO L82 PathProgramCache]: Analyzing trace with hash -1166852346, now seen corresponding path program 1 times [2018-12-09 00:42:49,572 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:42:49,573 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:42:49,573 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:42:49,573 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:42:49,573 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:42:49,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 00:42:49,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 00:42:49,624 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 00:42:49,645 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 12:42:49 BoogieIcfgContainer [2018-12-09 00:42:49,645 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 00:42:49,645 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 00:42:49,645 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 00:42:49,645 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 00:42:49,646 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:42:49" (3/4) ... [2018-12-09 00:42:49,648 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-09 00:42:49,648 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 00:42:49,648 INFO L168 Benchmark]: Toolchain (without parser) took 847.18 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.5 MB). Free memory was 952.4 MB in the beginning and 1.0 GB in the end (delta: -67.9 MB). Peak memory consumption was 29.6 MB. Max. memory is 11.5 GB. [2018-12-09 00:42:49,649 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:42:49,649 INFO L168 Benchmark]: CACSL2BoogieTranslator took 217.86 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.5 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -139.6 MB). Peak memory consumption was 30.0 MB. Max. memory is 11.5 GB. [2018-12-09 00:42:49,650 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.79 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-12-09 00:42:49,650 INFO L168 Benchmark]: Boogie Preprocessor took 24.92 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:42:49,650 INFO L168 Benchmark]: RCFGBuilder took 286.84 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 32.3 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. [2018-12-09 00:42:49,650 INFO L168 Benchmark]: TraceAbstraction took 290.46 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 35.9 MB). Peak memory consumption was 35.9 MB. Max. memory is 11.5 GB. [2018-12-09 00:42:49,651 INFO L168 Benchmark]: Witness Printer took 2.60 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:42:49,652 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 217.86 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.5 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -139.6 MB). Peak memory consumption was 30.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.79 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.92 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 286.84 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 32.3 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 290.46 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 35.9 MB). Peak memory consumption was 35.9 MB. Max. memory is 11.5 GB. * Witness Printer took 2.60 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 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 109, 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)=6442450964, \old(one_asin)=6442450951, \old(one_sqrt)=6442450949, \old(pio2_hi_asin)=6442450950, \old(pio2_lo_asin)=6442450959, \old(pio4_hi_asin)=6442450952, \old(pS0_asin)=6442450957, \old(pS1_asin)=6442450953, \old(pS2_asin)=6442450947, \old(pS3_asin)=6442450956, \old(pS4_asin)=6442450962, \old(pS5_asin)=6442450954, \old(qS1_asin)=6442450966, \old(qS2_asin)=6442450963, \old(qS3_asin)=6442450945, \old(qS4_asin)=6442450960, \old(tiny_sqrt)=6442450961, 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, x=0] [L194] CALL, EXPR __ieee754_asinf(x) VAL [\old(x)=0, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L118] float t, w, p, q, c, r, s; [L119] __int32_t hx, ix; VAL [\old(x)=0, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=0] [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)=0, huge_asin=1000000000000000000000000000000, hx=-2147483648, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=0] [L126] COND TRUE ix == 0x3f800000 [L128] return x * pio2_hi_asin + x * pio2_lo_asin; VAL [\old(x)=0, huge_asin=1000000000000000000000000000000, hx=-2147483648, ix=1065353216, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=0] [L194] RET, EXPR __ieee754_asinf(x) VAL [__ieee754_asinf(x)=6442450965, 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=0] [L194] float res = __ieee754_asinf(x); [L197] EXPR res == 0.0f && __signbit_float(res) == 0 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=6442450965, res == 0.0f && __signbit_float(res) == 0=0, tiny_sqrt=1/1000000000000000000000000000000, x=0] [L197] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [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=6442450965, tiny_sqrt=1/1000000000000000000000000000000, x=0] - 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 [2018-12-09 00:42:50,881 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 00:42:50,882 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 00:42:50,888 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 00:42:50,888 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 00:42:50,889 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 00:42:50,889 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 00:42:50,890 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 00:42:50,891 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 00:42:50,891 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 00:42:50,892 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 00:42:50,892 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 00:42:50,892 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 00:42:50,893 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 00:42:50,893 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 00:42:50,894 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 00:42:50,894 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 00:42:50,895 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 00:42:50,896 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 00:42:50,896 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 00:42:50,897 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 00:42:50,897 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 00:42:50,899 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 00:42:50,899 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 00:42:50,899 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 00:42:50,899 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 00:42:50,900 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 00:42:50,900 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 00:42:50,901 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 00:42:50,901 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 00:42:50,901 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 00:42:50,902 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 00:42:50,902 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 00:42:50,902 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 00:42:50,902 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 00:42:50,903 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 00:42:50,903 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_621baa8d-01d1-41f5-9057-a9e7e4d1c416/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-09 00:42:50,910 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 00:42:50,910 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 00:42:50,911 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 00:42:50,911 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 00:42:50,911 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 00:42:50,911 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 00:42:50,911 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 00:42:50,911 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 00:42:50,911 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 00:42:50,911 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 00:42:50,912 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 00:42:50,912 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 00:42:50,912 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 00:42:50,912 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 00:42:50,912 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 00:42:50,912 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 00:42:50,912 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 00:42:50,912 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-09 00:42:50,913 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-09 00:42:50,913 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 00:42:50,913 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 00:42:50,913 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 00:42:50,913 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 00:42:50,913 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 00:42:50,913 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 00:42:50,913 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 00:42:50,913 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 00:42:50,913 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 00:42:50,914 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 00:42:50,914 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 00:42:50,914 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 00:42:50,914 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-09 00:42:50,914 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 00:42:50,914 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-09 00:42:50,914 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-09 00:42:50,914 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_621baa8d-01d1-41f5-9057-a9e7e4d1c416/bin-2019/utaipan 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 -> Taipan 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 -> e244339627025cb250c22854e0eaa32467bc4188 [2018-12-09 00:42:50,932 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 00:42:50,942 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 00:42:50,944 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 00:42:50,945 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 00:42:50,946 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 00:42:50,946 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_621baa8d-01d1-41f5-9057-a9e7e4d1c416/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0270b_true-unreach-call.c [2018-12-09 00:42:50,985 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_621baa8d-01d1-41f5-9057-a9e7e4d1c416/bin-2019/utaipan/data/85c94c292/7df8ee7359ce47ce81d5d4bc04845f92/FLAGf6e9e8b21 [2018-12-09 00:42:51,386 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 00:42:51,387 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_621baa8d-01d1-41f5-9057-a9e7e4d1c416/sv-benchmarks/c/float-newlib/float_req_bl_0270b_true-unreach-call.c [2018-12-09 00:42:51,393 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_621baa8d-01d1-41f5-9057-a9e7e4d1c416/bin-2019/utaipan/data/85c94c292/7df8ee7359ce47ce81d5d4bc04845f92/FLAGf6e9e8b21 [2018-12-09 00:42:51,400 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_621baa8d-01d1-41f5-9057-a9e7e4d1c416/bin-2019/utaipan/data/85c94c292/7df8ee7359ce47ce81d5d4bc04845f92 [2018-12-09 00:42:51,402 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 00:42:51,403 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 00:42:51,403 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 00:42:51,403 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 00:42:51,405 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 00:42:51,406 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:42:51" (1/1) ... [2018-12-09 00:42:51,407 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a12c072 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:42:51, skipping insertion in model container [2018-12-09 00:42:51,408 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:42:51" (1/1) ... [2018-12-09 00:42:51,412 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 00:42:51,430 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 00:42:51,557 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:42:51,561 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 00:42:51,593 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:42:51,613 INFO L195 MainTranslator]: Completed translation [2018-12-09 00:42:51,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:42:51 WrapperNode [2018-12-09 00:42:51,614 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 00:42:51,615 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 00:42:51,615 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 00:42:51,615 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 00:42:51,622 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:42:51" (1/1) ... [2018-12-09 00:42:51,660 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:42:51" (1/1) ... [2018-12-09 00:42:51,665 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 00:42:51,665 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 00:42:51,665 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 00:42:51,665 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 00:42:51,672 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:42:51" (1/1) ... [2018-12-09 00:42:51,672 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:42:51" (1/1) ... [2018-12-09 00:42:51,675 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:42:51" (1/1) ... [2018-12-09 00:42:51,675 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:42:51" (1/1) ... [2018-12-09 00:42:51,686 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:42:51" (1/1) ... [2018-12-09 00:42:51,691 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:42:51" (1/1) ... [2018-12-09 00:42:51,692 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:42:51" (1/1) ... [2018-12-09 00:42:51,695 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 00:42:51,695 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 00:42:51,695 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 00:42:51,695 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 00:42:51,696 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:42:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_621baa8d-01d1-41f5-9057-a9e7e4d1c416/bin-2019/utaipan/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 [2018-12-09 00:42:51,725 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 00:42:51,725 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 00:42:51,725 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_asinf [2018-12-09 00:42:51,725 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_asinf [2018-12-09 00:42:51,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-12-09 00:42:51,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 00:42:51,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 00:42:51,726 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-12-09 00:42:51,726 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-12-09 00:42:51,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 00:42:51,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-09 00:42:51,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 00:42:51,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 00:42:51,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-12-09 00:42:51,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-09 00:42:51,726 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-12-09 00:42:51,727 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-12-09 00:42:51,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 00:42:51,727 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2018-12-09 00:42:51,727 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2018-12-09 00:42:51,839 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 00:42:51,860 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 00:43:00,127 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 00:43:00,149 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 00:43:00,656 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 00:43:00,659 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 00:43:00,659 INFO L280 CfgBuilder]: Removed 18 assue(true) statements. [2018-12-09 00:43:00,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:43:00 BoogieIcfgContainer [2018-12-09 00:43:00,659 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 00:43:00,660 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 00:43:00,660 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 00:43:00,661 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 00:43:00,661 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 12:42:51" (1/3) ... [2018-12-09 00:43:00,662 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3eb56926 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:43:00, skipping insertion in model container [2018-12-09 00:43:00,662 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:42:51" (2/3) ... [2018-12-09 00:43:00,662 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3eb56926 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:43:00, skipping insertion in model container [2018-12-09 00:43:00,662 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:43:00" (3/3) ... [2018-12-09 00:43:00,663 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0270b_true-unreach-call.c [2018-12-09 00:43:00,668 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 00:43:00,673 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 00:43:00,682 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 00:43:00,700 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 00:43:00,700 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 00:43:00,700 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 00:43:00,700 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 00:43:00,700 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 00:43:00,700 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 00:43:00,700 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 00:43:00,701 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 00:43:00,701 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 00:43:00,711 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states. [2018-12-09 00:43:00,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-09 00:43:00,715 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:43:00,715 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:43:00,717 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:43:00,720 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:43:00,720 INFO L82 PathProgramCache]: Analyzing trace with hash -874682043, now seen corresponding path program 1 times [2018-12-09 00:43:00,723 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 00:43:00,723 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_621baa8d-01d1-41f5-9057-a9e7e4d1c416/bin-2019/utaipan/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 [2018-12-09 00:43:00,727 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:43:00,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:43:00,905 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 00:43:00,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:43:00,915 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 00:43:00,925 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:43:00,925 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 00:43:00,927 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 00:43:00,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 00:43:00,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 00:43:00,937 INFO L87 Difference]: Start difference. First operand 80 states. Second operand 2 states. [2018-12-09 00:43:00,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:43:00,957 INFO L93 Difference]: Finished difference Result 152 states and 229 transitions. [2018-12-09 00:43:00,957 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 00:43:00,958 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 17 [2018-12-09 00:43:00,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:43:00,964 INFO L225 Difference]: With dead ends: 152 [2018-12-09 00:43:00,964 INFO L226 Difference]: Without dead ends: 76 [2018-12-09 00:43:00,967 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 [2018-12-09 00:43:00,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2018-12-09 00:43:00,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2018-12-09 00:43:00,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-12-09 00:43:00,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 94 transitions. [2018-12-09 00:43:00,992 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 94 transitions. Word has length 17 [2018-12-09 00:43:00,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:43:00,992 INFO L480 AbstractCegarLoop]: Abstraction has 76 states and 94 transitions. [2018-12-09 00:43:00,992 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 00:43:00,993 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 94 transitions. [2018-12-09 00:43:00,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-09 00:43:00,993 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:43:00,993 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:43:00,993 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:43:00,994 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:43:00,994 INFO L82 PathProgramCache]: Analyzing trace with hash -1166852346, now seen corresponding path program 1 times [2018-12-09 00:43:00,994 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 00:43:00,994 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_621baa8d-01d1-41f5-9057-a9e7e4d1c416/bin-2019/utaipan/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 [2018-12-09 00:43:00,998 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:43:01,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:43:01,163 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 00:43:01,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:43:01,251 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 00:43:01,262 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:43:01,262 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 00:43:01,263 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 00:43:01,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 00:43:01,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 00:43:01,263 INFO L87 Difference]: Start difference. First operand 76 states and 94 transitions. Second operand 7 states. [2018-12-09 00:43:07,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:43:07,118 INFO L93 Difference]: Finished difference Result 94 states and 113 transitions. [2018-12-09 00:43:07,119 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 00:43:07,119 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2018-12-09 00:43:07,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:43:07,121 INFO L225 Difference]: With dead ends: 94 [2018-12-09 00:43:07,121 INFO L226 Difference]: Without dead ends: 79 [2018-12-09 00:43:07,121 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 [2018-12-09 00:43:07,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2018-12-09 00:43:07,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 76. [2018-12-09 00:43:07,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-12-09 00:43:07,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 93 transitions. [2018-12-09 00:43:07,128 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 93 transitions. Word has length 18 [2018-12-09 00:43:07,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:43:07,128 INFO L480 AbstractCegarLoop]: Abstraction has 76 states and 93 transitions. [2018-12-09 00:43:07,128 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 00:43:07,128 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 93 transitions. [2018-12-09 00:43:07,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-09 00:43:07,129 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:43:07,129 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:43:07,129 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:43:07,129 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:43:07,129 INFO L82 PathProgramCache]: Analyzing trace with hash -1525807933, now seen corresponding path program 1 times [2018-12-09 00:43:07,129 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 00:43:07,129 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_621baa8d-01d1-41f5-9057-a9e7e4d1c416/bin-2019/utaipan/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 [2018-12-09 00:43:07,132 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:43:07,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:43:07,323 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 00:43:07,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:43:07,381 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 00:43:07,390 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:43:07,390 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 00:43:07,391 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 00:43:07,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 00:43:07,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 00:43:07,391 INFO L87 Difference]: Start difference. First operand 76 states and 93 transitions. Second operand 7 states. [2018-12-09 00:43:12,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:43:12,442 INFO L93 Difference]: Finished difference Result 93 states and 110 transitions. [2018-12-09 00:43:12,442 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 00:43:12,443 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2018-12-09 00:43:12,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:43:12,443 INFO L225 Difference]: With dead ends: 93 [2018-12-09 00:43:12,443 INFO L226 Difference]: Without dead ends: 78 [2018-12-09 00:43:12,444 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 [2018-12-09 00:43:12,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2018-12-09 00:43:12,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 76. [2018-12-09 00:43:12,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-12-09 00:43:12,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 92 transitions. [2018-12-09 00:43:12,449 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 92 transitions. Word has length 19 [2018-12-09 00:43:12,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:43:12,449 INFO L480 AbstractCegarLoop]: Abstraction has 76 states and 92 transitions. [2018-12-09 00:43:12,449 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 00:43:12,449 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 92 transitions. [2018-12-09 00:43:12,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-09 00:43:12,449 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:43:12,449 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] [2018-12-09 00:43:12,450 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:43:12,450 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:43:12,450 INFO L82 PathProgramCache]: Analyzing trace with hash -1541354995, now seen corresponding path program 1 times [2018-12-09 00:43:12,450 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 00:43:12,450 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_621baa8d-01d1-41f5-9057-a9e7e4d1c416/bin-2019/utaipan/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 [2018-12-09 00:43:12,453 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:43:13,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:43:13,398 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 00:43:13,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:43:13,474 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 00:43:13,491 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:43:13,491 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 00:43:13,492 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 00:43:13,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 00:43:13,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 00:43:13,492 INFO L87 Difference]: Start difference. First operand 76 states and 92 transitions. Second operand 7 states. [2018-12-09 00:43:18,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:43:18,666 INFO L93 Difference]: Finished difference Result 107 states and 128 transitions. [2018-12-09 00:43:18,666 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 00:43:18,667 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 21 [2018-12-09 00:43:18,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:43:18,667 INFO L225 Difference]: With dead ends: 107 [2018-12-09 00:43:18,668 INFO L226 Difference]: Without dead ends: 84 [2018-12-09 00:43:18,668 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 [2018-12-09 00:43:18,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2018-12-09 00:43:18,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 81. [2018-12-09 00:43:18,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2018-12-09 00:43:18,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 98 transitions. [2018-12-09 00:43:18,676 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 98 transitions. Word has length 21 [2018-12-09 00:43:18,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:43:18,676 INFO L480 AbstractCegarLoop]: Abstraction has 81 states and 98 transitions. [2018-12-09 00:43:18,676 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 00:43:18,677 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 98 transitions. [2018-12-09 00:43:18,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-09 00:43:18,677 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:43:18,678 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] [2018-12-09 00:43:18,678 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:43:18,678 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:43:18,678 INFO L82 PathProgramCache]: Analyzing trace with hash 719843597, now seen corresponding path program 1 times [2018-12-09 00:43:18,678 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 00:43:18,678 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_621baa8d-01d1-41f5-9057-a9e7e4d1c416/bin-2019/utaipan/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 [2018-12-09 00:43:18,681 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:43:18,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:43:18,750 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 00:43:18,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:43:18,792 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 00:43:18,799 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:43:18,799 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 00:43:18,800 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 00:43:18,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 00:43:18,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 00:43:18,800 INFO L87 Difference]: Start difference. First operand 81 states and 98 transitions. Second operand 7 states. [2018-12-09 00:43:19,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:43:19,129 INFO L93 Difference]: Finished difference Result 88 states and 105 transitions. [2018-12-09 00:43:19,129 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 00:43:19,129 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 22 [2018-12-09 00:43:19,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:43:19,130 INFO L225 Difference]: With dead ends: 88 [2018-12-09 00:43:19,130 INFO L226 Difference]: Without dead ends: 85 [2018-12-09 00:43:19,130 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 [2018-12-09 00:43:19,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2018-12-09 00:43:19,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2018-12-09 00:43:19,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2018-12-09 00:43:19,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 102 transitions. [2018-12-09 00:43:19,136 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 102 transitions. Word has length 22 [2018-12-09 00:43:19,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:43:19,136 INFO L480 AbstractCegarLoop]: Abstraction has 85 states and 102 transitions. [2018-12-09 00:43:19,136 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 00:43:19,136 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 102 transitions. [2018-12-09 00:43:19,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-09 00:43:19,137 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:43:19,137 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] [2018-12-09 00:43:19,137 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:43:19,137 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:43:19,137 INFO L82 PathProgramCache]: Analyzing trace with hash 1319927051, now seen corresponding path program 1 times [2018-12-09 00:43:19,137 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 00:43:19,137 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_621baa8d-01d1-41f5-9057-a9e7e4d1c416/bin-2019/utaipan/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 [2018-12-09 00:43:19,140 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:43:19,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:43:19,215 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 00:43:19,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:43:19,361 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 00:43:19,369 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:43:19,369 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-12-09 00:43:19,370 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-12-09 00:43:19,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-12-09 00:43:19,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2018-12-09 00:43:19,370 INFO L87 Difference]: Start difference. First operand 85 states and 102 transitions. Second operand 12 states. [2018-12-09 00:43:19,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:43:19,893 INFO L93 Difference]: Finished difference Result 90 states and 107 transitions. [2018-12-09 00:43:19,894 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-09 00:43:19,894 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 30 [2018-12-09 00:43:19,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:43:19,894 INFO L225 Difference]: With dead ends: 90 [2018-12-09 00:43:19,894 INFO L226 Difference]: Without dead ends: 81 [2018-12-09 00:43:19,895 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 [2018-12-09 00:43:19,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2018-12-09 00:43:19,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2018-12-09 00:43:19,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2018-12-09 00:43:19,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 97 transitions. [2018-12-09 00:43:19,900 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 97 transitions. Word has length 30 [2018-12-09 00:43:19,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:43:19,900 INFO L480 AbstractCegarLoop]: Abstraction has 81 states and 97 transitions. [2018-12-09 00:43:19,900 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-12-09 00:43:19,900 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 97 transitions. [2018-12-09 00:43:19,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-09 00:43:19,901 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:43:19,901 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] [2018-12-09 00:43:19,901 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:43:19,901 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:43:19,901 INFO L82 PathProgramCache]: Analyzing trace with hash -1745980452, now seen corresponding path program 1 times [2018-12-09 00:43:19,902 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 00:43:19,902 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_621baa8d-01d1-41f5-9057-a9e7e4d1c416/bin-2019/utaipan/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 [2018-12-09 00:43:19,904 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:43:20,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:43:21,021 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 00:43:21,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:43:21,104 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 00:43:21,123 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:43:21,123 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 00:43:21,123 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 00:43:21,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 00:43:21,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 00:43:21,124 INFO L87 Difference]: Start difference. First operand 81 states and 97 transitions. Second operand 7 states. [2018-12-09 00:43:23,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:43:23,631 INFO L93 Difference]: Finished difference Result 97 states and 114 transitions. [2018-12-09 00:43:23,632 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 00:43:23,632 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 41 [2018-12-09 00:43:23,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:43:23,633 INFO L225 Difference]: With dead ends: 97 [2018-12-09 00:43:23,633 INFO L226 Difference]: Without dead ends: 76 [2018-12-09 00:43:23,633 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-12-09 00:43:23,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2018-12-09 00:43:23,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2018-12-09 00:43:23,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-12-09 00:43:23,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 88 transitions. [2018-12-09 00:43:23,637 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 88 transitions. Word has length 41 [2018-12-09 00:43:23,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:43:23,637 INFO L480 AbstractCegarLoop]: Abstraction has 76 states and 88 transitions. [2018-12-09 00:43:23,637 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 00:43:23,637 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 88 transitions. [2018-12-09 00:43:23,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-09 00:43:23,637 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:43:23,637 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] [2018-12-09 00:43:23,638 INFO L423 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:43:23,638 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:43:23,638 INFO L82 PathProgramCache]: Analyzing trace with hash -1646459894, now seen corresponding path program 1 times [2018-12-09 00:43:23,638 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 00:43:23,638 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_621baa8d-01d1-41f5-9057-a9e7e4d1c416/bin-2019/utaipan/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2018-12-09 00:43:23,641 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:43:24,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:43:25,059 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 00:43:25,682 WARN L180 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-12-09 00:43:25,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:43:25,926 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 00:43:25,949 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:43:25,949 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 00:43:25,949 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 00:43:25,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 00:43:25,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 00:43:25,950 INFO L87 Difference]: Start difference. First operand 76 states and 88 transitions. Second operand 6 states. [2018-12-09 00:43:26,924 WARN L180 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-12-09 00:43:29,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:43:29,650 INFO L93 Difference]: Finished difference Result 76 states and 88 transitions. [2018-12-09 00:43:29,655 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 00:43:29,655 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 48 [2018-12-09 00:43:29,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:43:29,655 INFO L225 Difference]: With dead ends: 76 [2018-12-09 00:43:29,655 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 00:43:29,656 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 40 SyntacticMatches, 3 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-09 00:43:29,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 00:43:29,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 00:43:29,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 00:43:29,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 00:43:29,656 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 48 [2018-12-09 00:43:29,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:43:29,656 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 00:43:29,656 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 00:43:29,656 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 00:43:29,656 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 00:43:29,659 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 00:43:30,250 WARN L180 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 35 [2018-12-09 00:43:30,808 WARN L180 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 35 [2018-12-09 00:43:31,323 WARN L180 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2018-12-09 00:43:31,350 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 00:43:31,350 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-09 00:43:31,351 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 00:43:31,351 INFO L448 ceAbstractionStarter]: For program point L99-2(lines 99 103) no Hoare annotation was computed. [2018-12-09 00:43:31,351 INFO L448 ceAbstractionStarter]: For program point fabs_floatFINAL(lines 92 105) no Hoare annotation was computed. [2018-12-09 00:43:31,351 INFO L448 ceAbstractionStarter]: For program point L94-1(lines 94 98) no Hoare annotation was computed. [2018-12-09 00:43:31,351 INFO L451 ceAbstractionStarter]: At program point L94-2(lines 94 98) the Hoare annotation is: true [2018-12-09 00:43:31,351 INFO L448 ceAbstractionStarter]: For program point fabs_floatEXIT(lines 92 105) no Hoare annotation was computed. [2018-12-09 00:43:31,351 INFO L451 ceAbstractionStarter]: At program point fabs_floatENTRY(lines 92 105) the Hoare annotation is: true [2018-12-09 00:43:31,351 INFO L448 ceAbstractionStarter]: For program point L99(lines 99 103) no Hoare annotation was computed. [2018-12-09 00:43:31,351 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 92 105) no Hoare annotation was computed. [2018-12-09 00:43:31,351 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 00:43:31,351 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)) [2018-12-09 00:43:31,351 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 00:43:31,351 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 00:43:31,351 INFO L448 ceAbstractionStarter]: For program point L194-1(line 194) no Hoare annotation was computed. [2018-12-09 00:43:31,351 INFO L448 ceAbstractionStarter]: For program point L197-4(lines 197 200) no Hoare annotation was computed. [2018-12-09 00:43:31,351 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 185 203) the Hoare annotation is: true [2018-12-09 00:43:31,351 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 185 203) no Hoare annotation was computed. [2018-12-09 00:43:31,352 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 198) no Hoare annotation was computed. [2018-12-09 00:43:31,352 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 185 203) no Hoare annotation was computed. [2018-12-09 00:43:31,352 INFO L448 ceAbstractionStarter]: For program point L198(line 198) no Hoare annotation was computed. [2018-12-09 00:43:31,352 INFO L448 ceAbstractionStarter]: For program point L197(line 197) no Hoare annotation was computed. [2018-12-09 00:43:31,352 INFO L444 ceAbstractionStarter]: At program point L197-1(line 197) the Hoare annotation is: (or (and (= (_ +zero 8 24) main_~x~0) (= (_ +zero 8 24) main_~res~0) |main_#t~short21|) (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))))) [2018-12-09 00:43:31,352 INFO L448 ceAbstractionStarter]: For program point L197-2(line 197) no Hoare annotation was computed. [2018-12-09 00:43:31,352 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)) (= (_ +zero 8 24) main_~x~0) (not (= ~one_asin~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0))))) [2018-12-09 00:43:31,352 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))))) [2018-12-09 00:43:31,352 INFO L448 ceAbstractionStarter]: For program point L126(lines 126 146) no Hoare annotation was computed. [2018-12-09 00:43:31,352 INFO L448 ceAbstractionStarter]: For program point L168(lines 168 172) no Hoare annotation was computed. [2018-12-09 00:43:31,352 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 160 178) no Hoare annotation was computed. [2018-12-09 00:43:31,352 INFO L448 ceAbstractionStarter]: For program point L168-2(lines 168 172) no Hoare annotation was computed. [2018-12-09 00:43:31,352 INFO L448 ceAbstractionStarter]: For program point L131(lines 131 146) no Hoare annotation was computed. [2018-12-09 00:43:31,352 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)) (and (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) (_ bv1056964608 32))))) (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (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)))) (not (= ~one_asin~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0))))) [2018-12-09 00:43:31,353 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)) (and (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) (_ bv1056964608 32))))) (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (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)))) (not (= ~one_asin~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0))))) [2018-12-09 00:43:31,353 INFO L448 ceAbstractionStarter]: For program point L156-1(line 156) no Hoare annotation was computed. [2018-12-09 00:43:31,353 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-12-09 00:43:31,353 INFO L448 ceAbstractionStarter]: For program point L132(lines 132 145) no Hoare annotation was computed. [2018-12-09 00:43:31,353 INFO L448 ceAbstractionStarter]: For program point L157(lines 157 178) no Hoare annotation was computed. [2018-12-09 00:43:31,353 INFO L448 ceAbstractionStarter]: For program point L157-2(lines 117 183) no Hoare annotation was computed. [2018-12-09 00:43:31,353 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 120 124) no Hoare annotation was computed. [2018-12-09 00:43:31,353 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))))) [2018-12-09 00:43:31,353 INFO L448 ceAbstractionStarter]: For program point L120-3(lines 120 124) no Hoare annotation was computed. [2018-12-09 00:43:31,353 INFO L451 ceAbstractionStarter]: At program point __ieee754_asinfENTRY(lines 117 183) the Hoare annotation is: true [2018-12-09 00:43:31,353 INFO L448 ceAbstractionStarter]: For program point L133(lines 133 134) no Hoare annotation was computed. [2018-12-09 00:43:31,353 INFO L448 ceAbstractionStarter]: For program point __ieee754_asinfFINAL(lines 117 183) no Hoare annotation was computed. [2018-12-09 00:43:31,353 INFO L448 ceAbstractionStarter]: For program point L129(lines 129 146) no Hoare annotation was computed. [2018-12-09 00:43:31,353 INFO L448 ceAbstractionStarter]: For program point __ieee754_asinfEXIT(lines 117 183) no Hoare annotation was computed. [2018-12-09 00:43:31,353 INFO L448 ceAbstractionStarter]: For program point L163-1(lines 163 167) no Hoare annotation was computed. [2018-12-09 00:43:31,353 INFO L448 ceAbstractionStarter]: For program point L64(lines 64 68) no Hoare annotation was computed. [2018-12-09 00:43:31,353 INFO L448 ceAbstractionStarter]: For program point L31-1(lines 31 35) no Hoare annotation was computed. [2018-12-09 00:43:31,353 INFO L448 ceAbstractionStarter]: For program point L64-2(lines 64 68) no Hoare annotation was computed. [2018-12-09 00:43:31,353 INFO L451 ceAbstractionStarter]: At program point L31-2(lines 31 35) the Hoare annotation is: true [2018-12-09 00:43:31,353 INFO L448 ceAbstractionStarter]: For program point L31-3(lines 31 35) no Hoare annotation was computed. [2018-12-09 00:43:31,353 INFO L448 ceAbstractionStarter]: For program point L85-1(lines 85 89) no Hoare annotation was computed. [2018-12-09 00:43:31,354 INFO L451 ceAbstractionStarter]: At program point L85-2(lines 85 89) the Hoare annotation is: true [2018-12-09 00:43:31,354 INFO L448 ceAbstractionStarter]: For program point L85-3(lines 85 89) no Hoare annotation was computed. [2018-12-09 00:43:31,354 INFO L448 ceAbstractionStarter]: For program point L48-2(lines 48 49) no Hoare annotation was computed. [2018-12-09 00:43:31,354 INFO L451 ceAbstractionStarter]: At program point L48-3(lines 48 49) the Hoare annotation is: true [2018-12-09 00:43:31,354 INFO L448 ceAbstractionStarter]: For program point L77(lines 77 80) no Hoare annotation was computed. [2018-12-09 00:43:31,354 INFO L448 ceAbstractionStarter]: For program point L48-4(lines 48 49) no Hoare annotation was computed. [2018-12-09 00:43:31,354 INFO L448 ceAbstractionStarter]: For program point L73(lines 73 82) no Hoare annotation was computed. [2018-12-09 00:43:31,354 INFO L451 ceAbstractionStarter]: At program point __ieee754_sqrtfENTRY(lines 26 91) the Hoare annotation is: true [2018-12-09 00:43:31,354 INFO L448 ceAbstractionStarter]: For program point L41(lines 41 42) no Hoare annotation was computed. [2018-12-09 00:43:31,354 INFO L448 ceAbstractionStarter]: For program point __ieee754_sqrtfFINAL(lines 26 91) no Hoare annotation was computed. [2018-12-09 00:43:31,354 INFO L451 ceAbstractionStarter]: At program point L62-2(lines 62 71) the Hoare annotation is: true [2018-12-09 00:43:31,354 INFO L448 ceAbstractionStarter]: For program point L62-3(lines 26 91) no Hoare annotation was computed. [2018-12-09 00:43:31,354 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 55) no Hoare annotation was computed. [2018-12-09 00:43:31,354 INFO L448 ceAbstractionStarter]: For program point L54-2(lines 54 55) no Hoare annotation was computed. [2018-12-09 00:43:31,354 INFO L448 ceAbstractionStarter]: For program point __ieee754_sqrtfEXIT(lines 26 91) no Hoare annotation was computed. [2018-12-09 00:43:31,354 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2018-12-09 00:43:31,354 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 39) no Hoare annotation was computed. [2018-12-09 00:43:31,354 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 51) no Hoare annotation was computed. [2018-12-09 00:43:31,355 INFO L448 ceAbstractionStarter]: For program point L47-2(lines 47 51) no Hoare annotation was computed. [2018-12-09 00:43:31,355 INFO L448 ceAbstractionStarter]: For program point L43(lines 43 44) no Hoare annotation was computed. [2018-12-09 00:43:31,355 INFO L448 ceAbstractionStarter]: For program point __signbit_floatFINAL(lines 12 22) no Hoare annotation was computed. [2018-12-09 00:43:31,355 INFO L451 ceAbstractionStarter]: At program point __signbit_floatENTRY(lines 12 22) the Hoare annotation is: true [2018-12-09 00:43:31,355 INFO L448 ceAbstractionStarter]: For program point L15-1(lines 15 19) no Hoare annotation was computed. [2018-12-09 00:43:31,355 INFO L444 ceAbstractionStarter]: At program point L15-2(lines 15 19) the Hoare annotation is: (= |__signbit_float_#in~x| __signbit_float_~x) [2018-12-09 00:43:31,355 INFO L448 ceAbstractionStarter]: For program point L15-3(lines 15 19) no Hoare annotation was computed. [2018-12-09 00:43:31,355 INFO L448 ceAbstractionStarter]: For program point __signbit_floatEXIT(lines 12 22) no Hoare annotation was computed. [2018-12-09 00:43:31,362 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 00:43:31,363 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 00:43:31,363 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 00:43:31,363 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 00:43:31,363 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 00:43:31,363 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 00:43:31,364 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 00:43:31,364 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 00:43:31,364 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 00:43:31,364 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 00:43:31,364 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 00:43:31,364 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 00:43:31,365 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 00:43:31,365 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 00:43:31,365 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 00:43:31,365 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 00:43:31,366 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 00:43:31,366 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 00:43:31,366 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 00:43:31,366 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 00:43:31,366 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 00:43:31,366 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 00:43:31,366 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 00:43:31,366 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 00:43:31,367 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 00:43:31,367 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 00:43:31,367 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 00:43:31,367 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 00:43:31,367 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 00:43:31,367 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 00:43:31,368 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 00:43:31,368 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 00:43:31,369 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 12:43:31 BoogieIcfgContainer [2018-12-09 00:43:31,369 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 00:43:31,369 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 00:43:31,369 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 00:43:31,369 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 00:43:31,370 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:43:00" (3/4) ... [2018-12-09 00:43:31,372 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 00:43:31,375 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 00:43:31,376 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_float [2018-12-09 00:43:31,376 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 00:43:31,376 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_asinf [2018-12-09 00:43:31,376 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrtf [2018-12-09 00:43:31,376 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __signbit_float [2018-12-09 00:43:31,379 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-12-09 00:43:31,380 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-09 00:43:31,380 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-09 00:43:31,380 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 00:43:31,395 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))) [2018-12-09 00:43:31,395 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-12-09 00:43:31,396 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)) [2018-12-09 00:43:31,419 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_621baa8d-01d1-41f5-9057-a9e7e4d1c416/bin-2019/utaipan/witness.graphml [2018-12-09 00:43:31,419 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 00:43:31,419 INFO L168 Benchmark]: Toolchain (without parser) took 40017.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 201.9 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -146.7 MB). Peak memory consumption was 55.1 MB. Max. memory is 11.5 GB. [2018-12-09 00:43:31,420 INFO L168 Benchmark]: CDTParser took 0.17 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. [2018-12-09 00:43:31,420 INFO L168 Benchmark]: CACSL2BoogieTranslator took 210.90 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 927.3 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-09 00:43:31,420 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -198.9 MB). Peak memory consumption was 19.5 MB. Max. memory is 11.5 GB. [2018-12-09 00:43:31,420 INFO L168 Benchmark]: Boogie Preprocessor took 29.55 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. [2018-12-09 00:43:31,420 INFO L168 Benchmark]: RCFGBuilder took 8964.35 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: 41.3 MB). Peak memory consumption was 41.3 MB. Max. memory is 11.5 GB. [2018-12-09 00:43:31,420 INFO L168 Benchmark]: TraceAbstraction took 30709.23 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 64.0 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -12.5 MB). Peak memory consumption was 51.5 MB. Max. memory is 11.5 GB. [2018-12-09 00:43:31,421 INFO L168 Benchmark]: Witness Printer took 49.67 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. [2018-12-09 00:43:31,422 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 210.90 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 927.3 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 50.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -198.9 MB). Peak memory consumption was 19.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.55 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 8964.35 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: 41.3 MB). Peak memory consumption was 41.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 30709.23 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 64.0 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -12.5 MB). Peak memory consumption was 51.5 MB. Max. memory is 11.5 GB. * Witness Printer took 49.67 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 [2018-12-09 00:43:31,426 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 00:43:31,426 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 00:43:31,426 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 00:43:31,426 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 00:43:31,426 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 00:43:31,426 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 00:43:31,426 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 00:43:31,427 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 00:43:31,427 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 00:43:31,427 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 00:43:31,427 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 00:43:31,427 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 00:43:31,427 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 00:43:31,427 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 00:43:31,427 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 00:43:31,427 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 00:43:31,427 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 00:43:31,428 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 00:43:31,428 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 00:43:31,428 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 00:43:31,428 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 00:43:31,428 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 00:43:31,428 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 00:43:31,428 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 [2018-12-09 00:43:31,428 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 00:43:31,428 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 00:43:31,428 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 00:43:31,429 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 00:43:31,429 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 00:43:31,429 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 00:43:31,429 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 00:43:31,429 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, 30.6s OverallTime, 8 OverallIterations, 1 TraceHistogramMax, 23.1s AutomataDifference, 0.0s DeadEndRemovalTime, 1.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 652 SDtfs, 434 SDslu, 2697 SDs, 0 SdLazy, 396 SolverSat, 56 SolverUnsat, 6 SolverUnknown, 0 SolverNotchecked, 20.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 231 GetRequests, 166 SyntacticMatches, 3 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=85occurred in iteration=5, 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, 8 MinimizatonAttempts, 8 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 20 LocationsWithAnnotation, 46 PreInvPairs, 65 NumberOfFragments, 284 HoareAnnotationTreeSize, 46 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 20 FomulaSimplificationsInter, 493 FormulaSimplificationTreeSizeReductionInter, 1.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 3.7s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 216 NumberOfCodeBlocks, 216 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 208 ConstructedInterpolants, 26 QuantifiedInterpolants, 56505 SizeOfPredicates, 29 NumberOfNonLiveVariables, 984 ConjunctsInSsa, 62 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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...