./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0740_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_83466de6-cd23-403f-a547-a6476b4a022e/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_83466de6-cd23-403f-a547-a6476b4a022e/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_83466de6-cd23-403f-a547-a6476b4a022e/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_83466de6-cd23-403f-a547-a6476b4a022e/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0740_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_83466de6-cd23-403f-a547-a6476b4a022e/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_83466de6-cd23-403f-a547-a6476b4a022e/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 77a01f137667344720fd98189387bfe86c106b2a ............................................................................................................................................................................................................................................................................................................. 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_83466de6-cd23-403f-a547-a6476b4a022e/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_83466de6-cd23-403f-a547-a6476b4a022e/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_83466de6-cd23-403f-a547-a6476b4a022e/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_83466de6-cd23-403f-a547-a6476b4a022e/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0740_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_83466de6-cd23-403f-a547-a6476b4a022e/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_83466de6-cd23-403f-a547-a6476b4a022e/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 77a01f137667344720fd98189387bfe86c106b2a ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 15:47:17,188 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 15:47:17,189 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 15:47:17,195 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 15:47:17,195 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 15:47:17,196 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 15:47:17,196 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 15:47:17,197 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 15:47:17,198 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 15:47:17,198 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 15:47:17,199 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 15:47:17,199 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 15:47:17,199 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 15:47:17,200 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 15:47:17,200 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 15:47:17,201 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 15:47:17,201 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 15:47:17,202 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 15:47:17,203 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 15:47:17,204 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 15:47:17,204 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 15:47:17,205 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 15:47:17,206 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 15:47:17,206 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 15:47:17,206 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 15:47:17,207 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 15:47:17,207 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 15:47:17,208 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 15:47:17,208 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 15:47:17,209 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 15:47:17,209 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 15:47:17,210 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 15:47:17,210 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 15:47:17,210 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 15:47:17,210 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 15:47:17,211 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 15:47:17,211 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_83466de6-cd23-403f-a547-a6476b4a022e/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-01 15:47:17,218 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 15:47:17,218 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 15:47:17,219 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 15:47:17,219 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-01 15:47:17,219 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 15:47:17,219 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 15:47:17,219 INFO L133 SettingsManager]: * Use SBE=true [2018-12-01 15:47:17,220 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 15:47:17,220 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 15:47:17,220 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 15:47:17,220 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 15:47:17,220 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 15:47:17,220 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 15:47:17,220 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 15:47:17,220 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 15:47:17,220 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 15:47:17,220 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 15:47:17,220 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 15:47:17,221 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 15:47:17,221 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 15:47:17,221 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-01 15:47:17,221 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 15:47:17,221 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-01 15:47:17,221 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-01 15:47:17,221 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 15:47:17,221 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 15:47:17,221 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 15:47:17,221 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-01 15:47:17,222 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 15:47:17,222 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 15:47:17,222 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_83466de6-cd23-403f-a547-a6476b4a022e/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 77a01f137667344720fd98189387bfe86c106b2a [2018-12-01 15:47:17,239 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 15:47:17,245 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 15:47:17,247 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 15:47:17,248 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 15:47:17,248 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 15:47:17,249 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_83466de6-cd23-403f-a547-a6476b4a022e/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0740_true-unreach-call.c [2018-12-01 15:47:17,284 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_83466de6-cd23-403f-a547-a6476b4a022e/bin-2019/uautomizer/data/a140098dd/b6bbf69d67af40cc825441beab9fb3f0/FLAG053ec6883 [2018-12-01 15:47:17,624 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 15:47:17,624 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_83466de6-cd23-403f-a547-a6476b4a022e/sv-benchmarks/c/float-newlib/double_req_bl_0740_true-unreach-call.c [2018-12-01 15:47:17,628 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_83466de6-cd23-403f-a547-a6476b4a022e/bin-2019/uautomizer/data/a140098dd/b6bbf69d67af40cc825441beab9fb3f0/FLAG053ec6883 [2018-12-01 15:47:18,027 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_83466de6-cd23-403f-a547-a6476b4a022e/bin-2019/uautomizer/data/a140098dd/b6bbf69d67af40cc825441beab9fb3f0 [2018-12-01 15:47:18,030 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 15:47:18,031 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 15:47:18,032 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 15:47:18,032 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 15:47:18,036 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 15:47:18,036 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:47:18" (1/1) ... [2018-12-01 15:47:18,039 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@651df91d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:47:18, skipping insertion in model container [2018-12-01 15:47:18,039 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:47:18" (1/1) ... [2018-12-01 15:47:18,046 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 15:47:18,063 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 15:47:18,170 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 15:47:18,172 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 15:47:18,194 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 15:47:18,206 INFO L195 MainTranslator]: Completed translation [2018-12-01 15:47:18,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:47:18 WrapperNode [2018-12-01 15:47:18,206 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 15:47:18,207 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 15:47:18,207 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 15:47:18,207 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 15:47:18,211 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:47:18" (1/1) ... [2018-12-01 15:47:18,217 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:47:18" (1/1) ... [2018-12-01 15:47:18,251 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 15:47:18,252 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 15:47:18,252 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 15:47:18,252 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 15:47:18,260 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:47:18" (1/1) ... [2018-12-01 15:47:18,260 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:47:18" (1/1) ... [2018-12-01 15:47:18,263 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:47:18" (1/1) ... [2018-12-01 15:47:18,263 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:47:18" (1/1) ... [2018-12-01 15:47:18,271 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:47:18" (1/1) ... [2018-12-01 15:47:18,277 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:47:18" (1/1) ... [2018-12-01 15:47:18,279 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:47:18" (1/1) ... [2018-12-01 15:47:18,281 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 15:47:18,281 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 15:47:18,282 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 15:47:18,282 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 15:47:18,282 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:47:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_83466de6-cd23-403f-a547-a6476b4a022e/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-01 15:47:18,314 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-12-01 15:47:18,315 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-12-01 15:47:18,315 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-01 15:47:18,315 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-01 15:47:18,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-01 15:47:18,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-01 15:47:18,315 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2018-12-01 15:47:18,315 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2018-12-01 15:47:18,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-01 15:47:18,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-01 15:47:18,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-01 15:47:18,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-01 15:47:18,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 15:47:18,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 15:47:18,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-01 15:47:18,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-01 15:47:18,548 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 15:47:18,548 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-12-01 15:47:18,549 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:47:18 BoogieIcfgContainer [2018-12-01 15:47:18,549 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 15:47:18,550 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-01 15:47:18,550 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-01 15:47:18,552 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-01 15:47:18,552 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 03:47:18" (1/3) ... [2018-12-01 15:47:18,553 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@570431e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 03:47:18, skipping insertion in model container [2018-12-01 15:47:18,553 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:47:18" (2/3) ... [2018-12-01 15:47:18,553 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@570431e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 03:47:18, skipping insertion in model container [2018-12-01 15:47:18,554 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:47:18" (3/3) ... [2018-12-01 15:47:18,555 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0740_true-unreach-call.c [2018-12-01 15:47:18,563 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-01 15:47:18,569 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-01 15:47:18,582 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-01 15:47:18,599 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-01 15:47:18,600 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-01 15:47:18,600 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-01 15:47:18,600 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-01 15:47:18,600 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-01 15:47:18,600 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-01 15:47:18,600 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-01 15:47:18,600 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-01 15:47:18,600 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-01 15:47:18,610 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states. [2018-12-01 15:47:18,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-01 15:47:18,614 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 15:47:18,614 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 15:47:18,616 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 15:47:18,618 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:47:18,619 INFO L82 PathProgramCache]: Analyzing trace with hash -429811670, now seen corresponding path program 1 times [2018-12-01 15:47:18,620 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 15:47:18,620 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 15:47:18,648 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:47:18,648 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 15:47:18,648 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:47:18,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:47:18,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:47:18,701 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 15:47:18,702 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-01 15:47:18,704 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-01 15:47:18,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-01 15:47:18,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-01 15:47:18,713 INFO L87 Difference]: Start difference. First operand 62 states. Second operand 2 states. [2018-12-01 15:47:18,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 15:47:18,727 INFO L93 Difference]: Finished difference Result 116 states and 172 transitions. [2018-12-01 15:47:18,727 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-01 15:47:18,728 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 20 [2018-12-01 15:47:18,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 15:47:18,734 INFO L225 Difference]: With dead ends: 116 [2018-12-01 15:47:18,734 INFO L226 Difference]: Without dead ends: 58 [2018-12-01 15:47:18,736 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 [2018-12-01 15:47:18,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2018-12-01 15:47:18,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2018-12-01 15:47:18,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2018-12-01 15:47:18,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 77 transitions. [2018-12-01 15:47:18,758 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 77 transitions. Word has length 20 [2018-12-01 15:47:18,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 15:47:18,759 INFO L480 AbstractCegarLoop]: Abstraction has 58 states and 77 transitions. [2018-12-01 15:47:18,759 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-01 15:47:18,759 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 77 transitions. [2018-12-01 15:47:18,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-01 15:47:18,759 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 15:47:18,759 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] [2018-12-01 15:47:18,760 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 15:47:18,760 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:47:18,760 INFO L82 PathProgramCache]: Analyzing trace with hash 1876471549, now seen corresponding path program 1 times [2018-12-01 15:47:18,760 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 15:47:18,760 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 15:47:18,761 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:47:18,761 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 15:47:18,761 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:47:18,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 15:47:18,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 15:47:18,816 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-01 15:47:18,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 03:47:18 BoogieIcfgContainer [2018-12-01 15:47:18,837 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-01 15:47:18,837 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 15:47:18,837 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 15:47:18,838 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 15:47:18,838 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:47:18" (3/4) ... [2018-12-01 15:47:18,840 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-01 15:47:18,840 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 15:47:18,841 INFO L168 Benchmark]: Toolchain (without parser) took 810.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 961.4 MB in the beginning and 1.0 GB in the end (delta: -83.8 MB). Peak memory consumption was 39.9 MB. Max. memory is 11.5 GB. [2018-12-01 15:47:18,842 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 15:47:18,842 INFO L168 Benchmark]: CACSL2BoogieTranslator took 174.08 ms. Allocated memory is still 1.0 GB. Free memory was 961.4 MB in the beginning and 945.2 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-01 15:47:18,843 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -170.6 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. [2018-12-01 15:47:18,843 INFO L168 Benchmark]: Boogie Preprocessor took 29.65 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. [2018-12-01 15:47:18,844 INFO L168 Benchmark]: RCFGBuilder took 267.52 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: 34.3 MB). Peak memory consumption was 34.3 MB. Max. memory is 11.5 GB. [2018-12-01 15:47:18,844 INFO L168 Benchmark]: TraceAbstraction took 287.52 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: 29.8 MB). Peak memory consumption was 29.8 MB. Max. memory is 11.5 GB. [2018-12-01 15:47:18,844 INFO L168 Benchmark]: Witness Printer took 3.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-12-01 15:47:18,847 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 174.08 ms. Allocated memory is still 1.0 GB. Free memory was 961.4 MB in the beginning and 945.2 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 44.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -170.6 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.65 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 267.52 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: 34.3 MB). Peak memory consumption was 34.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 287.52 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: 29.8 MB). Peak memory consumption was 29.8 MB. Max. memory is 11.5 GB. * Witness Printer took 3.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 144]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 130, overapproximation of someBinaryArithmeticDOUBLEoperation at line 33, overapproximation of bitwiseAnd at line 32. Possible FailurePath: [L17] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; VAL [\old(one_sqrt)=6442450952, \old(tiny_sqrt)=6442450946, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L139] double x = -1.0 / 0.0; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L140] CALL, EXPR __ieee754_sqrt(x) VAL [\old(x)=6442450953, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L20] double z; [L21] __int32_t sign = 0x80000000; [L22] __uint32_t r, t1, s1, ix1, q1; [L23] __int32_t ix0, s0, q, m, t, i; VAL [\old(x)=6442450953, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450953] [L26] ieee_double_shape_type ew_u; [L27] ew_u.value = (x) [L28] EXPR ew_u.parts.msw [L28] (ix0) = ew_u.parts.msw [L29] EXPR ew_u.parts.lsw [L29] (ix1) = ew_u.parts.lsw [L32] COND TRUE (ix0 & 0x7ff00000) == 0x7ff00000 [L33] return x * x + x; VAL [\old(x)=6442450953, ix0=-2147483648, ix1=6442450949, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450953] [L140] RET, EXPR __ieee754_sqrt(x) VAL [__ieee754_sqrt(x)=6442450951, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450953] [L140] double res = __ieee754_sqrt(x); [L143] CALL, EXPR isnan_double(res) VAL [\old(x)=6442450951, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L130] return x != x; VAL [\old(x)=6442450951, \result=0, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450951] [L143] RET, EXPR isnan_double(res) VAL [isnan_double(res)=0, one_sqrt=1, res=6442450951, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450953] [L143] COND TRUE !isnan_double(res) [L144] __VERIFIER_error() VAL [one_sqrt=1, res=6442450951, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450953] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 62 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 81 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=62occurred 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, 41 NumberOfCodeBlocks, 41 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 19 ConstructedInterpolants, 0 QuantifiedInterpolants, 361 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 [2018-12-01 15:47:20,177 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 15:47:20,178 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 15:47:20,184 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 15:47:20,184 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 15:47:20,185 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 15:47:20,185 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 15:47:20,186 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 15:47:20,187 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 15:47:20,188 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 15:47:20,188 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 15:47:20,188 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 15:47:20,189 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 15:47:20,189 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 15:47:20,190 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 15:47:20,190 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 15:47:20,190 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 15:47:20,191 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 15:47:20,192 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 15:47:20,193 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 15:47:20,193 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 15:47:20,194 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 15:47:20,195 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 15:47:20,195 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 15:47:20,195 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 15:47:20,196 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 15:47:20,196 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 15:47:20,197 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 15:47:20,197 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 15:47:20,198 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 15:47:20,198 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 15:47:20,198 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 15:47:20,198 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 15:47:20,198 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 15:47:20,199 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 15:47:20,199 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 15:47:20,199 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_83466de6-cd23-403f-a547-a6476b4a022e/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-12-01 15:47:20,207 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 15:47:20,207 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 15:47:20,207 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 15:47:20,207 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-01 15:47:20,208 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 15:47:20,208 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 15:47:20,208 INFO L133 SettingsManager]: * Use SBE=true [2018-12-01 15:47:20,208 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 15:47:20,208 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 15:47:20,208 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 15:47:20,208 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 15:47:20,208 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 15:47:20,208 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 15:47:20,208 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 15:47:20,209 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-01 15:47:20,209 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-01 15:47:20,209 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 15:47:20,209 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 15:47:20,209 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 15:47:20,209 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 15:47:20,209 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 15:47:20,209 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-01 15:47:20,209 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 15:47:20,209 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-01 15:47:20,210 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-01 15:47:20,210 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 15:47:20,210 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 15:47:20,210 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 15:47:20,210 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-12-01 15:47:20,210 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 15:47:20,210 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-01 15:47:20,210 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-01 15:47:20,210 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_83466de6-cd23-403f-a547-a6476b4a022e/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 77a01f137667344720fd98189387bfe86c106b2a [2018-12-01 15:47:20,228 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 15:47:20,235 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 15:47:20,237 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 15:47:20,238 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 15:47:20,238 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 15:47:20,239 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_83466de6-cd23-403f-a547-a6476b4a022e/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0740_true-unreach-call.c [2018-12-01 15:47:20,274 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_83466de6-cd23-403f-a547-a6476b4a022e/bin-2019/uautomizer/data/47f0d5ac8/65dc92283dce4b10bf0aa0209a46207e/FLAG92f3b3aab [2018-12-01 15:47:20,745 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 15:47:20,745 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_83466de6-cd23-403f-a547-a6476b4a022e/sv-benchmarks/c/float-newlib/double_req_bl_0740_true-unreach-call.c [2018-12-01 15:47:20,749 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_83466de6-cd23-403f-a547-a6476b4a022e/bin-2019/uautomizer/data/47f0d5ac8/65dc92283dce4b10bf0aa0209a46207e/FLAG92f3b3aab [2018-12-01 15:47:20,758 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_83466de6-cd23-403f-a547-a6476b4a022e/bin-2019/uautomizer/data/47f0d5ac8/65dc92283dce4b10bf0aa0209a46207e [2018-12-01 15:47:20,759 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 15:47:20,760 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 15:47:20,761 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 15:47:20,761 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 15:47:20,763 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 15:47:20,763 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:47:20" (1/1) ... [2018-12-01 15:47:20,765 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@736e3ff3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:47:20, skipping insertion in model container [2018-12-01 15:47:20,765 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:47:20" (1/1) ... [2018-12-01 15:47:20,769 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 15:47:20,781 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 15:47:20,887 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 15:47:20,890 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 15:47:20,914 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 15:47:20,931 INFO L195 MainTranslator]: Completed translation [2018-12-01 15:47:20,931 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:47:20 WrapperNode [2018-12-01 15:47:20,931 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 15:47:20,932 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 15:47:20,932 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 15:47:20,932 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 15:47:20,937 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:47:20" (1/1) ... [2018-12-01 15:47:20,945 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:47:20" (1/1) ... [2018-12-01 15:47:20,949 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 15:47:20,949 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 15:47:20,949 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 15:47:20,949 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 15:47:20,986 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:47:20" (1/1) ... [2018-12-01 15:47:20,986 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:47:20" (1/1) ... [2018-12-01 15:47:20,990 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:47:20" (1/1) ... [2018-12-01 15:47:20,990 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:47:20" (1/1) ... [2018-12-01 15:47:21,000 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:47:20" (1/1) ... [2018-12-01 15:47:21,006 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:47:20" (1/1) ... [2018-12-01 15:47:21,008 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:47:20" (1/1) ... [2018-12-01 15:47:21,011 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 15:47:21,011 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 15:47:21,011 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 15:47:21,012 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 15:47:21,012 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:47:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_83466de6-cd23-403f-a547-a6476b4a022e/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-01 15:47:21,044 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-12-01 15:47:21,044 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-12-01 15:47:21,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-12-01 15:47:21,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-12-01 15:47:21,044 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-01 15:47:21,044 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-01 15:47:21,044 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2018-12-01 15:47:21,044 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2018-12-01 15:47:21,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-01 15:47:21,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-01 15:47:21,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-01 15:47:21,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-01 15:47:21,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 15:47:21,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 15:47:21,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-01 15:47:21,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-01 15:47:21,455 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-01 15:47:22,955 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 15:47:22,956 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-12-01 15:47:22,956 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:47:22 BoogieIcfgContainer [2018-12-01 15:47:22,956 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 15:47:22,956 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-01 15:47:22,956 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-01 15:47:22,958 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-01 15:47:22,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 03:47:20" (1/3) ... [2018-12-01 15:47:22,959 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@511535ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 03:47:22, skipping insertion in model container [2018-12-01 15:47:22,959 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:47:20" (2/3) ... [2018-12-01 15:47:22,959 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@511535ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 03:47:22, skipping insertion in model container [2018-12-01 15:47:22,959 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:47:22" (3/3) ... [2018-12-01 15:47:22,960 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0740_true-unreach-call.c [2018-12-01 15:47:22,966 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-01 15:47:22,970 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-01 15:47:22,979 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-01 15:47:22,995 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-01 15:47:22,995 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-01 15:47:22,996 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-01 15:47:22,996 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-01 15:47:22,996 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-01 15:47:22,996 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-01 15:47:22,996 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-01 15:47:22,996 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-01 15:47:22,996 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-01 15:47:23,005 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states. [2018-12-01 15:47:23,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-01 15:47:23,009 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 15:47:23,009 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 15:47:23,010 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 15:47:23,013 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:47:23,013 INFO L82 PathProgramCache]: Analyzing trace with hash 295214612, now seen corresponding path program 1 times [2018-12-01 15:47:23,016 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-01 15:47:23,016 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_83466de6-cd23-403f-a547-a6476b4a022e/bin-2019/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-12-01 15:47:23,020 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 15:47:23,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:47:23,306 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 15:47:23,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:47:23,317 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-01 15:47:23,327 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 15:47:23,327 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-01 15:47:23,329 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-01 15:47:23,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-01 15:47:23,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-01 15:47:23,338 INFO L87 Difference]: Start difference. First operand 61 states. Second operand 2 states. [2018-12-01 15:47:23,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 15:47:23,352 INFO L93 Difference]: Finished difference Result 114 states and 170 transitions. [2018-12-01 15:47:23,352 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-01 15:47:23,353 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2018-12-01 15:47:23,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 15:47:23,359 INFO L225 Difference]: With dead ends: 114 [2018-12-01 15:47:23,359 INFO L226 Difference]: Without dead ends: 57 [2018-12-01 15:47:23,361 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-01 15:47:23,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-12-01 15:47:23,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2018-12-01 15:47:23,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-12-01 15:47:23,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 76 transitions. [2018-12-01 15:47:23,385 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 76 transitions. Word has length 19 [2018-12-01 15:47:23,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 15:47:23,385 INFO L480 AbstractCegarLoop]: Abstraction has 57 states and 76 transitions. [2018-12-01 15:47:23,385 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-01 15:47:23,386 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 76 transitions. [2018-12-01 15:47:23,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-01 15:47:23,386 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 15:47:23,386 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 15:47:23,386 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 15:47:23,387 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:47:23,387 INFO L82 PathProgramCache]: Analyzing trace with hash 438908261, now seen corresponding path program 1 times [2018-12-01 15:47:23,387 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-01 15:47:23,387 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_83466de6-cd23-403f-a547-a6476b4a022e/bin-2019/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-12-01 15:47:23,390 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 15:47:23,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:47:23,683 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 15:47:31,100 WARN L180 SmtUtils]: Spent 2.59 s on a formula simplification that was a NOOP. DAG size: 6 [2018-12-01 15:47:37,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:47:37,211 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-01 15:47:37,226 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 15:47:37,226 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-01 15:47:37,227 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-01 15:47:37,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-01 15:47:37,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=56, Unknown=1, NotChecked=0, Total=72 [2018-12-01 15:47:37,228 INFO L87 Difference]: Start difference. First operand 57 states and 76 transitions. Second operand 9 states. [2018-12-01 15:47:43,604 WARN L832 $PredicateComparison]: unable to prove that (and (= c___ieee754_sqrt_~x |c___ieee754_sqrt_#in~x|) (= |c___ieee754_sqrt_#res| (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven |c___ieee754_sqrt_#in~x| |c___ieee754_sqrt_#in~x|) |c___ieee754_sqrt_#in~x|))) is different from false [2018-12-01 15:48:00,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 15:48:00,546 INFO L93 Difference]: Finished difference Result 64 states and 83 transitions. [2018-12-01 15:48:00,547 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-01 15:48:00,547 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 20 [2018-12-01 15:48:00,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 15:48:00,548 INFO L225 Difference]: With dead ends: 64 [2018-12-01 15:48:00,548 INFO L226 Difference]: Without dead ends: 57 [2018-12-01 15:48:00,549 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 18.6s TimeCoverageRelationStatistics Valid=31, Invalid=102, Unknown=3, NotChecked=20, Total=156 [2018-12-01 15:48:00,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-12-01 15:48:00,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2018-12-01 15:48:00,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-12-01 15:48:00,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 75 transitions. [2018-12-01 15:48:00,556 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 75 transitions. Word has length 20 [2018-12-01 15:48:00,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 15:48:00,556 INFO L480 AbstractCegarLoop]: Abstraction has 57 states and 75 transitions. [2018-12-01 15:48:00,556 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-01 15:48:00,556 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 75 transitions. [2018-12-01 15:48:00,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-01 15:48:00,557 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 15:48:00,557 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] [2018-12-01 15:48:00,557 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 15:48:00,557 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:48:00,557 INFO L82 PathProgramCache]: Analyzing trace with hash 1464284033, now seen corresponding path program 1 times [2018-12-01 15:48:00,558 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-01 15:48:00,558 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_83466de6-cd23-403f-a547-a6476b4a022e/bin-2019/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-12-01 15:48:00,562 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 15:48:00,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:48:00,604 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 15:48:00,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:48:00,679 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-01 15:48:00,687 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 15:48:00,687 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-01 15:48:00,687 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-01 15:48:00,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-01 15:48:00,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-01 15:48:00,688 INFO L87 Difference]: Start difference. First operand 57 states and 75 transitions. Second operand 6 states. [2018-12-01 15:48:03,256 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-12-01 15:48:03,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 15:48:03,530 INFO L93 Difference]: Finished difference Result 64 states and 84 transitions. [2018-12-01 15:48:03,531 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-01 15:48:03,531 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2018-12-01 15:48:03,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 15:48:03,531 INFO L225 Difference]: With dead ends: 64 [2018-12-01 15:48:03,531 INFO L226 Difference]: Without dead ends: 0 [2018-12-01 15:48:03,532 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2018-12-01 15:48:03,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-01 15:48:03,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-01 15:48:03,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-01 15:48:03,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-01 15:48:03,533 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2018-12-01 15:48:03,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 15:48:03,533 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-01 15:48:03,533 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-01 15:48:03,533 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-01 15:48:03,533 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-01 15:48:03,536 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-01 15:48:03,766 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-12-01 15:48:03,886 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-12-01 15:48:04,132 WARN L180 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-12-01 15:48:04,134 INFO L451 ceAbstractionStarter]: At program point __ieee754_sqrtENTRY(lines 19 127) the Hoare annotation is: true [2018-12-01 15:48:04,134 INFO L448 ceAbstractionStarter]: For program point __ieee754_sqrtFINAL(lines 19 127) no Hoare annotation was computed. [2018-12-01 15:48:04,134 INFO L448 ceAbstractionStarter]: For program point L85(lines 85 94) no Hoare annotation was computed. [2018-12-01 15:48:04,134 INFO L448 ceAbstractionStarter]: For program point L85-2(lines 85 94) no Hoare annotation was computed. [2018-12-01 15:48:04,134 INFO L448 ceAbstractionStarter]: For program point L44(lines 44 55) no Hoare annotation was computed. [2018-12-01 15:48:04,134 INFO L448 ceAbstractionStarter]: For program point L44-2(lines 44 55) no Hoare annotation was computed. [2018-12-01 15:48:04,135 INFO L448 ceAbstractionStarter]: For program point L102(lines 102 113) no Hoare annotation was computed. [2018-12-01 15:48:04,135 INFO L448 ceAbstractionStarter]: For program point L36(lines 36 41) no Hoare annotation was computed. [2018-12-01 15:48:04,135 INFO L444 ceAbstractionStarter]: At program point L69-2(lines 69 79) the Hoare annotation is: (and (= __ieee754_sqrt_~x |__ieee754_sqrt_#in~x|) (exists ((|v_q#valueAsBitvector_2| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_q#valueAsBitvector_2|) ((_ extract 62 52) |v_q#valueAsBitvector_2|) ((_ extract 51 0) |v_q#valueAsBitvector_2|)) |__ieee754_sqrt_#in~x|) (not (= (bvadd (bvand (_ bv2146435072 32) ((_ extract 63 32) |v_q#valueAsBitvector_2|)) (_ bv2148532224 32)) (_ bv0 32)))))) [2018-12-01 15:48:04,135 INFO L448 ceAbstractionStarter]: For program point L36-2(lines 36 41) no Hoare annotation was computed. [2018-12-01 15:48:04,135 INFO L448 ceAbstractionStarter]: For program point L69-3(lines 69 79) no Hoare annotation was computed. [2018-12-01 15:48:04,135 INFO L444 ceAbstractionStarter]: At program point L45-2(lines 45 49) the Hoare annotation is: (and (= __ieee754_sqrt_~x |__ieee754_sqrt_#in~x|) (exists ((|v_q#valueAsBitvector_2| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_q#valueAsBitvector_2|) ((_ extract 62 52) |v_q#valueAsBitvector_2|) ((_ extract 51 0) |v_q#valueAsBitvector_2|)) |__ieee754_sqrt_#in~x|) (not (= (bvadd (bvand (_ bv2146435072 32) ((_ extract 63 32) |v_q#valueAsBitvector_2|)) (_ bv2148532224 32)) (_ bv0 32)))))) [2018-12-01 15:48:04,135 INFO L448 ceAbstractionStarter]: For program point L45-3(lines 45 49) no Hoare annotation was computed. [2018-12-01 15:48:04,135 INFO L448 ceAbstractionStarter]: For program point L37(lines 37 40) no Hoare annotation was computed. [2018-12-01 15:48:04,135 INFO L448 ceAbstractionStarter]: For program point L87(lines 87 88) no Hoare annotation was computed. [2018-12-01 15:48:04,135 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 120 125) no Hoare annotation was computed. [2018-12-01 15:48:04,135 INFO L444 ceAbstractionStarter]: At program point L120-2(lines 120 125) the Hoare annotation is: (and (= __ieee754_sqrt_~x |__ieee754_sqrt_#in~x|) (exists ((|v_q#valueAsBitvector_2| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_q#valueAsBitvector_2|) ((_ extract 62 52) |v_q#valueAsBitvector_2|) ((_ extract 51 0) |v_q#valueAsBitvector_2|)) |__ieee754_sqrt_#in~x|) (not (= (bvadd (bvand (_ bv2146435072 32) ((_ extract 63 32) |v_q#valueAsBitvector_2|)) (_ bv2148532224 32)) (_ bv0 32)))))) [2018-12-01 15:48:04,135 INFO L448 ceAbstractionStarter]: For program point L87-2(lines 87 88) no Hoare annotation was computed. [2018-12-01 15:48:04,136 INFO L448 ceAbstractionStarter]: For program point L120-3(lines 120 125) no Hoare annotation was computed. [2018-12-01 15:48:04,136 INFO L448 ceAbstractionStarter]: For program point L104(lines 104 112) no Hoare annotation was computed. [2018-12-01 15:48:04,136 INFO L448 ceAbstractionStarter]: For program point L71(lines 71 75) no Hoare annotation was computed. [2018-12-01 15:48:04,136 INFO L448 ceAbstractionStarter]: For program point L71-2(lines 71 75) no Hoare annotation was computed. [2018-12-01 15:48:04,136 INFO L448 ceAbstractionStarter]: For program point L39(lines 39 40) no Hoare annotation was computed. [2018-12-01 15:48:04,136 INFO L448 ceAbstractionStarter]: For program point __ieee754_sqrtEXIT(lines 19 127) no Hoare annotation was computed. [2018-12-01 15:48:04,136 INFO L448 ceAbstractionStarter]: For program point L90(lines 90 91) no Hoare annotation was computed. [2018-12-01 15:48:04,136 INFO L448 ceAbstractionStarter]: For program point L90-2(lines 90 91) no Hoare annotation was computed. [2018-12-01 15:48:04,136 INFO L444 ceAbstractionStarter]: At program point L82-2(lines 82 98) the Hoare annotation is: (and (= __ieee754_sqrt_~x |__ieee754_sqrt_#in~x|) (exists ((|v_q#valueAsBitvector_2| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_q#valueAsBitvector_2|) ((_ extract 62 52) |v_q#valueAsBitvector_2|) ((_ extract 51 0) |v_q#valueAsBitvector_2|)) |__ieee754_sqrt_#in~x|) (not (= (bvadd (bvand (_ bv2146435072 32) ((_ extract 63 32) |v_q#valueAsBitvector_2|)) (_ bv2148532224 32)) (_ bv0 32)))))) [2018-12-01 15:48:04,136 INFO L448 ceAbstractionStarter]: For program point L82-3(lines 19 127) no Hoare annotation was computed. [2018-12-01 15:48:04,136 INFO L448 ceAbstractionStarter]: For program point L107(lines 107 112) no Hoare annotation was computed. [2018-12-01 15:48:04,136 INFO L448 ceAbstractionStarter]: For program point L58(lines 58 61) no Hoare annotation was computed. [2018-12-01 15:48:04,136 INFO L448 ceAbstractionStarter]: For program point L25-1(lines 25 30) no Hoare annotation was computed. [2018-12-01 15:48:04,136 INFO L448 ceAbstractionStarter]: For program point L58-2(lines 58 61) no Hoare annotation was computed. [2018-12-01 15:48:04,136 INFO L444 ceAbstractionStarter]: At program point L25-2(lines 25 30) the Hoare annotation is: (= __ieee754_sqrt_~x |__ieee754_sqrt_#in~x|) [2018-12-01 15:48:04,137 INFO L448 ceAbstractionStarter]: For program point L25-3(lines 19 127) no Hoare annotation was computed. [2018-12-01 15:48:04,137 INFO L448 ceAbstractionStarter]: For program point L50-2(lines 50 51) no Hoare annotation was computed. [2018-12-01 15:48:04,137 INFO L444 ceAbstractionStarter]: At program point L50-3(lines 50 51) the Hoare annotation is: (and (= __ieee754_sqrt_~x |__ieee754_sqrt_#in~x|) (exists ((|v_q#valueAsBitvector_2| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_q#valueAsBitvector_2|) ((_ extract 62 52) |v_q#valueAsBitvector_2|) ((_ extract 51 0) |v_q#valueAsBitvector_2|)) |__ieee754_sqrt_#in~x|) (not (= (bvadd (bvand (_ bv2146435072 32) ((_ extract 63 32) |v_q#valueAsBitvector_2|)) (_ bv2148532224 32)) (_ bv0 32)))))) [2018-12-01 15:48:04,137 INFO L448 ceAbstractionStarter]: For program point L50-4(lines 50 51) no Hoare annotation was computed. [2018-12-01 15:48:04,137 INFO L448 ceAbstractionStarter]: For program point L108(lines 108 109) no Hoare annotation was computed. [2018-12-01 15:48:04,137 INFO L448 ceAbstractionStarter]: For program point L108-2(lines 108 109) no Hoare annotation was computed. [2018-12-01 15:48:04,137 INFO L448 ceAbstractionStarter]: For program point L100(lines 100 114) no Hoare annotation was computed. [2018-12-01 15:48:04,137 INFO L448 ceAbstractionStarter]: For program point L117(lines 117 118) no Hoare annotation was computed. [2018-12-01 15:48:04,137 INFO L448 ceAbstractionStarter]: For program point L117-2(lines 117 118) no Hoare annotation was computed. [2018-12-01 15:48:04,137 INFO L451 ceAbstractionStarter]: At program point isnan_doubleENTRY(line 130) the Hoare annotation is: true [2018-12-01 15:48:04,137 INFO L448 ceAbstractionStarter]: For program point isnan_doubleEXIT(line 130) no Hoare annotation was computed. [2018-12-01 15:48:04,137 INFO L448 ceAbstractionStarter]: For program point isnan_doubleFINAL(line 130) no Hoare annotation was computed. [2018-12-01 15:48:04,138 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-01 15:48:04,138 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-01 15:48:04,138 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-01 15:48:04,138 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-01 15:48:04,138 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-01 15:48:04,138 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-01 15:48:04,138 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-01 15:48:04,138 INFO L448 ceAbstractionStarter]: For program point L144(line 144) no Hoare annotation was computed. [2018-12-01 15:48:04,138 INFO L444 ceAbstractionStarter]: At program point L143(line 143) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (_ +zero 11 53)))) (and (= .cse0 main_~x~0) (= (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse0 .cse0) .cse0) main_~res~0))) [2018-12-01 15:48:04,138 INFO L448 ceAbstractionStarter]: For program point L143-1(lines 143 146) no Hoare annotation was computed. [2018-12-01 15:48:04,138 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 132 149) the Hoare annotation is: true [2018-12-01 15:48:04,138 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 132 149) no Hoare annotation was computed. [2018-12-01 15:48:04,139 INFO L444 ceAbstractionStarter]: At program point L140(line 140) the Hoare annotation is: (= (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (_ +zero 11 53)) main_~x~0) [2018-12-01 15:48:04,139 INFO L448 ceAbstractionStarter]: For program point L140-1(line 140) no Hoare annotation was computed. [2018-12-01 15:48:04,139 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 132 149) no Hoare annotation was computed. [2018-12-01 15:48:04,139 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 144) no Hoare annotation was computed. [2018-12-01 15:48:04,142 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-01 15:48:04,142 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-01 15:48:04,143 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-01 15:48:04,143 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-01 15:48:04,147 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-01 15:48:04,147 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-01 15:48:04,147 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-01 15:48:04,147 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-01 15:48:04,148 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-01 15:48:04,148 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-01 15:48:04,148 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-01 15:48:04,148 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-01 15:48:04,148 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-01 15:48:04,148 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-01 15:48:04,148 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-01 15:48:04,149 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-01 15:48:04,149 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-01 15:48:04,149 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-01 15:48:04,149 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-01 15:48:04,149 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-01 15:48:04,150 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-01 15:48:04,150 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-01 15:48:04,150 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-01 15:48:04,150 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-01 15:48:04,151 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-01 15:48:04,151 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-01 15:48:04,151 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-01 15:48:04,151 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-01 15:48:04,151 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-01 15:48:04,152 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-01 15:48:04,152 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-01 15:48:04,152 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-01 15:48:04,152 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-01 15:48:04,152 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-01 15:48:04,152 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-01 15:48:04,153 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-01 15:48:04,153 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-01 15:48:04,153 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-01 15:48:04,153 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-01 15:48:04,153 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-01 15:48:04,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 03:48:04 BoogieIcfgContainer [2018-12-01 15:48:04,155 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-01 15:48:04,156 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 15:48:04,156 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 15:48:04,156 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 15:48:04,156 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:47:22" (3/4) ... [2018-12-01 15:48:04,158 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-01 15:48:04,163 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrt [2018-12-01 15:48:04,163 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_double [2018-12-01 15:48:04,163 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-01 15:48:04,163 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-01 15:48:04,166 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2018-12-01 15:48:04,166 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-12-01 15:48:04,167 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-01 15:48:04,184 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) [2018-12-01 15:48:04,185 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) && (\exists v_q#valueAsBitvector_2 : bv64 :: ~fp~LONGDOUBLE(v_q#valueAsBitvector_2[63:63], v_q#valueAsBitvector_2[62:52], v_q#valueAsBitvector_2[51:0]) == \old(x) && !(~bvadd64(~bvand32(2146435072bv32, v_q#valueAsBitvector_2[63:32]), 2148532224bv32) == 0bv32)) [2018-12-01 15:48:04,185 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) && (\exists v_q#valueAsBitvector_2 : bv64 :: ~fp~LONGDOUBLE(v_q#valueAsBitvector_2[63:63], v_q#valueAsBitvector_2[62:52], v_q#valueAsBitvector_2[51:0]) == \old(x) && !(~bvadd64(~bvand32(2146435072bv32, v_q#valueAsBitvector_2[63:32]), 2148532224bv32) == 0bv32)) [2018-12-01 15:48:04,185 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) && (\exists v_q#valueAsBitvector_2 : bv64 :: ~fp~LONGDOUBLE(v_q#valueAsBitvector_2[63:63], v_q#valueAsBitvector_2[62:52], v_q#valueAsBitvector_2[51:0]) == \old(x) && !(~bvadd64(~bvand32(2146435072bv32, v_q#valueAsBitvector_2[63:32]), 2148532224bv32) == 0bv32)) [2018-12-01 15:48:04,185 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) && (\exists v_q#valueAsBitvector_2 : bv64 :: ~fp~LONGDOUBLE(v_q#valueAsBitvector_2[63:63], v_q#valueAsBitvector_2[62:52], v_q#valueAsBitvector_2[51:0]) == \old(x) && !(~bvadd64(~bvand32(2146435072bv32, v_q#valueAsBitvector_2[63:32]), 2148532224bv32) == 0bv32)) [2018-12-01 15:48:04,185 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) && (\exists v_q#valueAsBitvector_2 : bv64 :: ~fp~LONGDOUBLE(v_q#valueAsBitvector_2[63:63], v_q#valueAsBitvector_2[62:52], v_q#valueAsBitvector_2[51:0]) == \old(x) && !(~bvadd64(~bvand32(2146435072bv32, v_q#valueAsBitvector_2[63:32]), 2148532224bv32) == 0bv32)) [2018-12-01 15:48:04,205 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_83466de6-cd23-403f-a547-a6476b4a022e/bin-2019/uautomizer/witness.graphml [2018-12-01 15:48:04,205 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 15:48:04,206 INFO L168 Benchmark]: Toolchain (without parser) took 43445.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 944.7 MB in the beginning and 957.8 MB in the end (delta: -13.1 MB). Peak memory consumption was 119.5 MB. Max. memory is 11.5 GB. [2018-12-01 15:48:04,206 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 15:48:04,206 INFO L168 Benchmark]: CACSL2BoogieTranslator took 170.86 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 928.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-01 15:48:04,206 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.22 ms. Allocated memory is still 1.0 GB. Free memory is still 928.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 15:48:04,206 INFO L168 Benchmark]: Boogie Preprocessor took 61.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -192.2 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. [2018-12-01 15:48:04,207 INFO L168 Benchmark]: RCFGBuilder took 1944.59 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: 33.3 MB). Peak memory consumption was 33.3 MB. Max. memory is 11.5 GB. [2018-12-01 15:48:04,207 INFO L168 Benchmark]: TraceAbstraction took 41198.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 964.6 MB in the end (delta: 122.9 MB). Peak memory consumption was 122.9 MB. Max. memory is 11.5 GB. [2018-12-01 15:48:04,207 INFO L168 Benchmark]: Witness Printer took 49.58 ms. Allocated memory is still 1.2 GB. Free memory was 964.6 MB in the beginning and 957.8 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-01 15:48:04,209 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 170.86 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 928.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 17.22 ms. Allocated memory is still 1.0 GB. Free memory is still 928.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 61.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -192.2 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1944.59 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: 33.3 MB). Peak memory consumption was 33.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 41198.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 964.6 MB in the end (delta: 122.9 MB). Peak memory consumption was 122.9 MB. Max. memory is 11.5 GB. * Witness Printer took 49.58 ms. Allocated memory is still 1.2 GB. Free memory was 964.6 MB in the beginning and 957.8 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 144]: 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: 82]: Loop Invariant [2018-12-01 15:48:04,213 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-01 15:48:04,213 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-01 15:48:04,213 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-01 15:48:04,213 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-01 15:48:04,214 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-01 15:48:04,214 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-01 15:48:04,214 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-01 15:48:04,214 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] Derived loop invariant: x == \old(x) && (\exists v_q#valueAsBitvector_2 : bv64 :: ~fp~LONGDOUBLE(v_q#valueAsBitvector_2[63:63], v_q#valueAsBitvector_2[62:52], v_q#valueAsBitvector_2[51:0]) == \old(x) && !(~bvadd64(~bvand32(2146435072bv32, v_q#valueAsBitvector_2[63:32]), 2148532224bv32) == 0bv32)) - InvariantResult [Line: 50]: Loop Invariant [2018-12-01 15:48:04,215 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-01 15:48:04,215 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-01 15:48:04,215 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-01 15:48:04,215 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-01 15:48:04,216 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-01 15:48:04,216 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-01 15:48:04,216 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-01 15:48:04,216 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] Derived loop invariant: x == \old(x) && (\exists v_q#valueAsBitvector_2 : bv64 :: ~fp~LONGDOUBLE(v_q#valueAsBitvector_2[63:63], v_q#valueAsBitvector_2[62:52], v_q#valueAsBitvector_2[51:0]) == \old(x) && !(~bvadd64(~bvand32(2146435072bv32, v_q#valueAsBitvector_2[63:32]), 2148532224bv32) == 0bv32)) - InvariantResult [Line: 120]: Loop Invariant [2018-12-01 15:48:04,216 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-01 15:48:04,216 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-01 15:48:04,216 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-01 15:48:04,216 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-01 15:48:04,217 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-01 15:48:04,217 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-01 15:48:04,217 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-01 15:48:04,217 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] Derived loop invariant: x == \old(x) && (\exists v_q#valueAsBitvector_2 : bv64 :: ~fp~LONGDOUBLE(v_q#valueAsBitvector_2[63:63], v_q#valueAsBitvector_2[62:52], v_q#valueAsBitvector_2[51:0]) == \old(x) && !(~bvadd64(~bvand32(2146435072bv32, v_q#valueAsBitvector_2[63:32]), 2148532224bv32) == 0bv32)) - InvariantResult [Line: 45]: Loop Invariant [2018-12-01 15:48:04,217 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-01 15:48:04,217 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-01 15:48:04,217 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-01 15:48:04,217 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-01 15:48:04,218 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-01 15:48:04,218 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-01 15:48:04,218 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-01 15:48:04,218 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] Derived loop invariant: x == \old(x) && (\exists v_q#valueAsBitvector_2 : bv64 :: ~fp~LONGDOUBLE(v_q#valueAsBitvector_2[63:63], v_q#valueAsBitvector_2[62:52], v_q#valueAsBitvector_2[51:0]) == \old(x) && !(~bvadd64(~bvand32(2146435072bv32, v_q#valueAsBitvector_2[63:32]), 2148532224bv32) == 0bv32)) - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: x == \old(x) - InvariantResult [Line: 69]: Loop Invariant [2018-12-01 15:48:04,218 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-01 15:48:04,219 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-01 15:48:04,219 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-01 15:48:04,219 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-01 15:48:04,219 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-01 15:48:04,219 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-01 15:48:04,219 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-01 15:48:04,220 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] Derived loop invariant: x == \old(x) && (\exists v_q#valueAsBitvector_2 : bv64 :: ~fp~LONGDOUBLE(v_q#valueAsBitvector_2[63:63], v_q#valueAsBitvector_2[62:52], v_q#valueAsBitvector_2[51:0]) == \old(x) && !(~bvadd64(~bvand32(2146435072bv32, v_q#valueAsBitvector_2[63:32]), 2148532224bv32) == 0bv32)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 61 locations, 1 error locations. SAFE Result, 41.1s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 26.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 201 SDtfs, 194 SDslu, 511 SDs, 0 SdLazy, 122 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 19.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 65 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 18.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=61occurred 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 14 LocationsWithAnnotation, 16 PreInvPairs, 25 NumberOfFragments, 175 HoareAnnotationTreeSize, 16 FomulaSimplifications, 80 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 14 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 13.6s InterpolantComputationTime, 61 NumberOfCodeBlocks, 61 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 58 ConstructedInterpolants, 6 QuantifiedInterpolants, 5800 SizeOfPredicates, 7 NumberOfNonLiveVariables, 188 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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...