./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0470_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b658b70b-4a99-40cd-8186-74940e5669d4/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b658b70b-4a99-40cd-8186-74940e5669d4/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b658b70b-4a99-40cd-8186-74940e5669d4/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b658b70b-4a99-40cd-8186-74940e5669d4/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0470_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b658b70b-4a99-40cd-8186-74940e5669d4/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b658b70b-4a99-40cd-8186-74940e5669d4/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d187cecab1a284a27f7c64e71455cab847eaa514 ............................................................................................................................................................................................................................................................................................................................. 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_b658b70b-4a99-40cd-8186-74940e5669d4/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b658b70b-4a99-40cd-8186-74940e5669d4/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b658b70b-4a99-40cd-8186-74940e5669d4/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b658b70b-4a99-40cd-8186-74940e5669d4/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0470_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b658b70b-4a99-40cd-8186-74940e5669d4/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b658b70b-4a99-40cd-8186-74940e5669d4/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d187cecab1a284a27f7c64e71455cab847eaa514 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 12:42:38,265 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 12:42:38,266 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 12:42:38,288 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 12:42:38,288 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 12:42:38,289 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 12:42:38,290 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 12:42:38,292 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 12:42:38,293 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 12:42:38,294 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 12:42:38,295 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 12:42:38,295 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 12:42:38,296 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 12:42:38,298 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 12:42:38,300 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 12:42:38,301 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 12:42:38,302 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 12:42:38,303 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 12:42:38,304 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 12:42:38,306 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 12:42:38,307 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 12:42:38,308 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 12:42:38,309 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 12:42:38,309 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 12:42:38,310 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 12:42:38,310 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 12:42:38,311 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 12:42:38,312 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 12:42:38,312 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 12:42:38,313 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 12:42:38,313 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 12:42:38,314 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 12:42:38,314 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 12:42:38,314 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 12:42:38,315 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 12:42:38,315 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 12:42:38,315 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b658b70b-4a99-40cd-8186-74940e5669d4/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 12:42:38,323 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 12:42:38,324 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 12:42:38,324 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 12:42:38,324 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 12:42:38,325 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 12:42:38,325 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 12:42:38,325 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 12:42:38,325 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 12:42:38,325 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 12:42:38,325 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 12:42:38,326 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 12:42:38,326 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 12:42:38,326 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 12:42:38,326 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 12:42:38,327 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 12:42:38,327 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 12:42:38,327 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 12:42:38,327 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 12:42:38,327 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 12:42:38,327 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 12:42:38,328 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 12:42:38,328 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 12:42:38,328 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 12:42:38,328 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 12:42:38,328 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 12:42:38,328 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 12:42:38,329 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 12:42:38,329 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 12:42:38,329 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 12:42:38,330 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 12:42:38,330 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 12:42:38,330 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 12:42:38,330 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 12:42:38,330 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 12:42:38,330 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 12:42:38,330 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 12:42:38,331 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 12:42:38,331 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_b658b70b-4a99-40cd-8186-74940e5669d4/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d187cecab1a284a27f7c64e71455cab847eaa514 [2018-11-18 12:42:38,354 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 12:42:38,363 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 12:42:38,366 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 12:42:38,367 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 12:42:38,367 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 12:42:38,368 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b658b70b-4a99-40cd-8186-74940e5669d4/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0470_true-unreach-call.c [2018-11-18 12:42:38,429 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b658b70b-4a99-40cd-8186-74940e5669d4/bin-2019/utaipan/data/582f6ace9/49d0940b95a1441fb187e827264945f5/FLAG23601f601 [2018-11-18 12:42:38,785 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 12:42:38,785 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b658b70b-4a99-40cd-8186-74940e5669d4/sv-benchmarks/c/float-newlib/double_req_bl_0470_true-unreach-call.c [2018-11-18 12:42:38,791 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b658b70b-4a99-40cd-8186-74940e5669d4/bin-2019/utaipan/data/582f6ace9/49d0940b95a1441fb187e827264945f5/FLAG23601f601 [2018-11-18 12:42:38,832 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b658b70b-4a99-40cd-8186-74940e5669d4/bin-2019/utaipan/data/582f6ace9/49d0940b95a1441fb187e827264945f5 [2018-11-18 12:42:38,834 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 12:42:38,835 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 12:42:38,836 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 12:42:38,836 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 12:42:38,839 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 12:42:38,839 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:42:38" (1/1) ... [2018-11-18 12:42:38,842 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@208aaab2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:42:38, skipping insertion in model container [2018-11-18 12:42:38,842 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:42:38" (1/1) ... [2018-11-18 12:42:38,849 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 12:42:38,871 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 12:42:39,040 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:42:39,044 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 12:42:39,094 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:42:39,114 INFO L195 MainTranslator]: Completed translation [2018-11-18 12:42:39,114 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:42:39 WrapperNode [2018-11-18 12:42:39,114 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 12:42:39,115 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 12:42:39,115 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 12:42:39,115 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 12:42:39,171 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:42:39" (1/1) ... [2018-11-18 12:42:39,182 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:42:39" (1/1) ... [2018-11-18 12:42:39,189 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 12:42:39,189 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 12:42:39,190 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 12:42:39,190 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 12:42:39,198 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:42:39" (1/1) ... [2018-11-18 12:42:39,198 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:42:39" (1/1) ... [2018-11-18 12:42:39,203 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:42:39" (1/1) ... [2018-11-18 12:42:39,203 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:42:39" (1/1) ... [2018-11-18 12:42:39,226 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:42:39" (1/1) ... [2018-11-18 12:42:39,235 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:42:39" (1/1) ... [2018-11-18 12:42:39,238 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:42:39" (1/1) ... [2018-11-18 12:42:39,241 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 12:42:39,241 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 12:42:39,242 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 12:42:39,242 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 12:42:39,243 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:42:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b658b70b-4a99-40cd-8186-74940e5669d4/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 12:42:39,281 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-11-18 12:42:39,282 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-11-18 12:42:39,282 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_acos [2018-11-18 12:42:39,282 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_acos [2018-11-18 12:42:39,282 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 12:42:39,282 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 12:42:39,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-18 12:42:39,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 12:42:39,282 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2018-11-18 12:42:39,283 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2018-11-18 12:42:39,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 12:42:39,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 12:42:39,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-18 12:42:39,283 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 12:42:39,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 12:42:39,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 12:42:39,283 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 12:42:39,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 12:42:39,791 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 12:42:39,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:42:39 BoogieIcfgContainer [2018-11-18 12:42:39,792 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 12:42:39,792 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 12:42:39,792 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 12:42:39,795 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 12:42:39,795 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 12:42:38" (1/3) ... [2018-11-18 12:42:39,796 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20177c33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:42:39, skipping insertion in model container [2018-11-18 12:42:39,796 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:42:39" (2/3) ... [2018-11-18 12:42:39,796 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20177c33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:42:39, skipping insertion in model container [2018-11-18 12:42:39,796 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:42:39" (3/3) ... [2018-11-18 12:42:39,798 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0470_true-unreach-call.c [2018-11-18 12:42:39,807 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 12:42:39,813 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 12:42:39,826 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 12:42:39,852 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 12:42:39,853 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 12:42:39,853 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 12:42:39,853 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 12:42:39,853 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 12:42:39,853 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 12:42:39,853 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 12:42:39,853 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 12:42:39,866 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states. [2018-11-18 12:42:39,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-18 12:42:39,872 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:42:39,872 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:42:39,874 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:42:39,877 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:42:39,877 INFO L82 PathProgramCache]: Analyzing trace with hash 408977135, now seen corresponding path program 1 times [2018-11-18 12:42:39,879 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:42:39,919 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:42:39,919 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:42:39,920 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:42:39,920 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:42:39,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:42:39,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:42:39,996 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:42:39,996 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 12:42:39,997 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:42:40,003 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 12:42:40,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 12:42:40,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 12:42:40,021 INFO L87 Difference]: Start difference. First operand 87 states. Second operand 2 states. [2018-11-18 12:42:40,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:42:40,039 INFO L93 Difference]: Finished difference Result 166 states and 250 transitions. [2018-11-18 12:42:40,040 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 12:42:40,040 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 23 [2018-11-18 12:42:40,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:42:40,046 INFO L225 Difference]: With dead ends: 166 [2018-11-18 12:42:40,047 INFO L226 Difference]: Without dead ends: 83 [2018-11-18 12:42:40,050 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 12:42:40,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2018-11-18 12:42:40,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2018-11-18 12:42:40,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2018-11-18 12:42:40,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 109 transitions. [2018-11-18 12:42:40,103 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 109 transitions. Word has length 23 [2018-11-18 12:42:40,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:42:40,103 INFO L480 AbstractCegarLoop]: Abstraction has 83 states and 109 transitions. [2018-11-18 12:42:40,103 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 12:42:40,103 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 109 transitions. [2018-11-18 12:42:40,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-18 12:42:40,105 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:42:40,105 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:42:40,105 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:42:40,105 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:42:40,105 INFO L82 PathProgramCache]: Analyzing trace with hash -76402643, now seen corresponding path program 1 times [2018-11-18 12:42:40,105 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:42:40,106 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:42:40,106 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:42:40,106 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:42:40,106 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:42:40,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:42:40,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:42:40,173 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-18 12:42:40,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 12:42:40 BoogieIcfgContainer [2018-11-18 12:42:40,201 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 12:42:40,201 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 12:42:40,201 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 12:42:40,201 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 12:42:40,202 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:42:39" (3/4) ... [2018-11-18 12:42:40,204 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 12:42:40,204 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 12:42:40,205 INFO L168 Benchmark]: Toolchain (without parser) took 1370.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 962.3 MB in the beginning and 1.1 GB in the end (delta: -112.5 MB). Peak memory consumption was 39.6 MB. Max. memory is 11.5 GB. [2018-11-18 12:42:40,206 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:42:40,206 INFO L168 Benchmark]: CACSL2BoogieTranslator took 279.02 ms. Allocated memory is still 1.0 GB. Free memory was 962.3 MB in the beginning and 940.9 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-18 12:42:40,206 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 940.9 MB in the beginning and 1.1 GB in the end (delta: -205.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. [2018-11-18 12:42:40,207 INFO L168 Benchmark]: Boogie Preprocessor took 51.90 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:42:40,207 INFO L168 Benchmark]: RCFGBuilder took 550.34 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: 39.6 MB). Peak memory consumption was 39.6 MB. Max. memory is 11.5 GB. [2018-11-18 12:42:40,207 INFO L168 Benchmark]: TraceAbstraction took 408.47 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: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-11-18 12:42:40,207 INFO L168 Benchmark]: Witness Printer took 3.30 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:42:40,209 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 279.02 ms. Allocated memory is still 1.0 GB. Free memory was 962.3 MB in the beginning and 940.9 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 74.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 940.9 MB in the beginning and 1.1 GB in the end (delta: -205.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 51.90 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 550.34 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: 39.6 MB). Peak memory consumption was 39.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 408.47 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: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Witness Printer took 3.30 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 229]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 136, overapproximation of someBinaryArithmeticDOUBLEoperation at line 172, overapproximation of bitwiseAnd at line 154, overapproximation of someBinaryDOUBLEComparisonOperation at line 17. Possible FailurePath: [L19] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; [L131-L144] static const double one_acos = 1.00000000000000000000e+00, pi = 3.14159265358979311600e+00, pio2_hi_acos = 1.57079632679489655800e+00, pio2_lo_acos = 6.12323399573676603587e-17, pS0_acos = 1.66666666666666657415e-01, pS1_acos = -3.25565818622400915405e-01, pS2_acos = 2.01212532134862925881e-01, pS3_acos = -4.00555345006794114027e-02, pS4_acos = 7.91534994289814532176e-04, pS5_acos = 3.47933107596021167570e-05, qS1_acos = -2.40339491173441421878e+00, qS2_acos = 2.02094576023350569471e+00, qS3_acos = -6.88283971605453293030e-01, qS4_acos = 7.70381505559019352791e-02; VAL [\old(one_acos)=6442450962, \old(one_sqrt)=6442450953, \old(pi)=6442450965, \old(pi)=6442450951, \old(pi)=6442450955, \old(pS0_acos)=6442450945, \old(pS1_acos)=6442450963, \old(pS2_acos)=6442450964, \old(pS3_acos)=6442450949, \old(pS4_acos)=6442450954, \old(pS5_acos)=6442450966, \old(qS1_acos)=6442450948, \old(qS2_acos)=6442450956, \old(qS3_acos)=6442450958, \old(qS4_acos)=6442450950, \old(tiny_sqrt)=6442450961, one_acos=1, one_sqrt=1, pi=785398163397448279/500000000000000000, pi=785398163397448279/250000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L224] double x = 0.0 / 0.0; VAL [one_acos=1, one_sqrt=1, pi=785398163397448279/250000000000000000, pi=785398163397448279/500000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L225] CALL, EXPR __ieee754_acos(x) VAL [\old(x)=6442450959, one_acos=1, one_sqrt=1, pi=785398163397448279/500000000000000000, pi=785398163397448279/250000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L147] double z, p, q, r, w, s, c, df; [L148] __int32_t hx, ix; VAL [\old(x)=6442450959, one_acos=1, one_sqrt=1, pi=785398163397448279/250000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/500000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450959] [L150] FCALL ieee_double_shape_type gh_u; [L151] FCALL gh_u.value = (x) [L152] EXPR, FCALL gh_u.parts.msw [L152] (hx) = gh_u.parts.msw [L153] COND FALSE !(0) VAL [\old(x)=6442450959, hx=-2147483648, one_acos=1, one_sqrt=1, pi=785398163397448279/500000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/250000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450959] [L154] ix = hx & 0x7fffffff VAL [\old(x)=6442450959, hx=-2147483648, one_acos=1, one_sqrt=1, pi=785398163397448279/500000000000000000, pi=785398163397448279/250000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450959] [L155] COND FALSE !(ix >= 0x3ff00000) VAL [\old(x)=6442450959, hx=-2147483648, ix=0, one_acos=1, one_sqrt=1, pi=785398163397448279/250000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/500000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450959] [L170] COND TRUE ix < 0x3fe00000 VAL [\old(x)=6442450959, hx=-2147483648, ix=0, one_acos=1, one_sqrt=1, pi=785398163397448279/500000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/250000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450959] [L171] COND TRUE ix <= 0x3c600000 [L172] RET return pio2_hi_acos + pio2_lo_acos; VAL [\old(x)=6442450959, hx=-2147483648, ix=0, one_acos=1, one_sqrt=1, pi=785398163397448279/250000000000000000, pi=785398163397448279/500000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450959] [L225] EXPR __ieee754_acos(x) VAL [__ieee754_acos(x)=6442450952, one_acos=1, one_sqrt=1, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/500000000000000000, pi=785398163397448279/250000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450959] [L225] double res = __ieee754_acos(x); [L228] CALL, EXPR isnan_double(res) VAL [\old(x)=6442450952, one_acos=1, one_sqrt=1, pi=785398163397448279/250000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/500000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L17] RET return x != x; VAL [\old(x)=6442450952, \result=0, one_acos=1, one_sqrt=1, pi=785398163397448279/250000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/500000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450952] [L228] EXPR isnan_double(res) VAL [isnan_double(res)=0, one_acos=1, one_sqrt=1, pi=785398163397448279/500000000000000000, pi=785398163397448279/250000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, res=6442450952, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450959] [L228] COND TRUE !isnan_double(res) [L229] __VERIFIER_error() VAL [one_acos=1, one_sqrt=1, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/250000000000000000, pi=785398163397448279/500000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, res=6442450952, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450959] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 87 locations, 1 error locations. UNSAFE Result, 0.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 113 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=87occurred 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, 47 NumberOfCodeBlocks, 47 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 484 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 0.1.23-5842f4b [2018-11-18 12:42:41,767 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 12:42:41,769 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 12:42:41,779 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 12:42:41,780 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 12:42:41,780 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 12:42:41,781 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 12:42:41,784 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 12:42:41,786 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 12:42:41,786 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 12:42:41,787 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 12:42:41,787 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 12:42:41,788 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 12:42:41,788 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 12:42:41,789 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 12:42:41,790 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 12:42:41,791 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 12:42:41,792 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 12:42:41,794 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 12:42:41,795 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 12:42:41,796 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 12:42:41,796 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 12:42:41,802 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 12:42:41,802 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 12:42:41,802 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 12:42:41,803 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 12:42:41,803 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 12:42:41,804 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 12:42:41,805 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 12:42:41,813 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 12:42:41,813 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 12:42:41,814 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 12:42:41,814 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 12:42:41,814 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 12:42:41,815 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 12:42:41,815 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 12:42:41,815 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b658b70b-4a99-40cd-8186-74940e5669d4/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-18 12:42:41,832 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 12:42:41,832 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 12:42:41,833 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 12:42:41,833 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 12:42:41,834 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 12:42:41,834 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 12:42:41,834 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 12:42:41,835 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 12:42:41,835 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 12:42:41,835 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 12:42:41,835 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 12:42:41,835 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 12:42:41,836 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 12:42:41,836 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 12:42:41,836 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 12:42:41,836 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 12:42:41,836 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 12:42:41,836 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 12:42:41,836 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 12:42:41,836 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 12:42:41,836 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 12:42:41,837 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 12:42:41,837 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 12:42:41,837 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 12:42:41,837 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 12:42:41,837 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 12:42:41,837 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 12:42:41,839 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 12:42:41,839 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 12:42:41,839 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 12:42:41,839 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 12:42:41,839 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-18 12:42:41,839 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 12:42:41,839 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 12:42:41,839 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 12:42:41,840 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_b658b70b-4a99-40cd-8186-74940e5669d4/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d187cecab1a284a27f7c64e71455cab847eaa514 [2018-11-18 12:42:41,877 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 12:42:41,886 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 12:42:41,888 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 12:42:41,890 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 12:42:41,890 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 12:42:41,891 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b658b70b-4a99-40cd-8186-74940e5669d4/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0470_true-unreach-call.c [2018-11-18 12:42:41,941 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b658b70b-4a99-40cd-8186-74940e5669d4/bin-2019/utaipan/data/eb599a063/a14b16a0679d4c43bb47042f23fbb2d1/FLAG6a194f5d6 [2018-11-18 12:42:42,304 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 12:42:42,305 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b658b70b-4a99-40cd-8186-74940e5669d4/sv-benchmarks/c/float-newlib/double_req_bl_0470_true-unreach-call.c [2018-11-18 12:42:42,312 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b658b70b-4a99-40cd-8186-74940e5669d4/bin-2019/utaipan/data/eb599a063/a14b16a0679d4c43bb47042f23fbb2d1/FLAG6a194f5d6 [2018-11-18 12:42:42,321 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b658b70b-4a99-40cd-8186-74940e5669d4/bin-2019/utaipan/data/eb599a063/a14b16a0679d4c43bb47042f23fbb2d1 [2018-11-18 12:42:42,323 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 12:42:42,323 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 12:42:42,324 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 12:42:42,324 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 12:42:42,328 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 12:42:42,329 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:42:42" (1/1) ... [2018-11-18 12:42:42,331 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@268030c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:42:42, skipping insertion in model container [2018-11-18 12:42:42,331 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:42:42" (1/1) ... [2018-11-18 12:42:42,340 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 12:42:42,368 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 12:42:42,557 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:42:42,565 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 12:42:42,618 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:42:42,642 INFO L195 MainTranslator]: Completed translation [2018-11-18 12:42:42,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:42:42 WrapperNode [2018-11-18 12:42:42,643 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 12:42:42,643 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 12:42:42,644 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 12:42:42,644 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 12:42:42,651 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:42:42" (1/1) ... [2018-11-18 12:42:42,663 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:42:42" (1/1) ... [2018-11-18 12:42:42,670 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 12:42:42,671 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 12:42:42,671 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 12:42:42,671 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 12:42:42,733 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:42:42" (1/1) ... [2018-11-18 12:42:42,734 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:42:42" (1/1) ... [2018-11-18 12:42:42,737 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:42:42" (1/1) ... [2018-11-18 12:42:42,738 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:42:42" (1/1) ... [2018-11-18 12:42:42,755 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:42:42" (1/1) ... [2018-11-18 12:42:42,761 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:42:42" (1/1) ... [2018-11-18 12:42:42,763 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:42:42" (1/1) ... [2018-11-18 12:42:42,766 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 12:42:42,767 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 12:42:42,767 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 12:42:42,767 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 12:42:42,768 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:42:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b658b70b-4a99-40cd-8186-74940e5669d4/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 12:42:42,808 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-11-18 12:42:42,808 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-11-18 12:42:42,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-11-18 12:42:42,809 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_acos [2018-11-18 12:42:42,809 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_acos [2018-11-18 12:42:42,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-11-18 12:42:42,809 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 12:42:42,809 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 12:42:42,809 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2018-11-18 12:42:42,809 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2018-11-18 12:42:42,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 12:42:42,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 12:42:42,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 12:42:42,810 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-18 12:42:42,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 12:42:42,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 12:42:42,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-18 12:42:42,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 12:42:42,962 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 12:42:45,342 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 12:42:48,605 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 12:42:57,989 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 12:42:58,002 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 12:42:58,002 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:42:58 BoogieIcfgContainer [2018-11-18 12:42:58,003 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 12:42:58,003 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 12:42:58,003 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 12:42:58,005 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 12:42:58,005 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 12:42:42" (1/3) ... [2018-11-18 12:42:58,006 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@402d297b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:42:58, skipping insertion in model container [2018-11-18 12:42:58,006 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:42:42" (2/3) ... [2018-11-18 12:42:58,006 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@402d297b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:42:58, skipping insertion in model container [2018-11-18 12:42:58,006 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:42:58" (3/3) ... [2018-11-18 12:42:58,007 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0470_true-unreach-call.c [2018-11-18 12:42:58,014 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 12:42:58,019 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 12:42:58,028 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 12:42:58,049 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 12:42:58,050 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 12:42:58,050 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 12:42:58,050 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 12:42:58,050 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 12:42:58,050 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 12:42:58,050 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 12:42:58,050 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 12:42:58,051 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 12:42:58,063 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states. [2018-11-18 12:42:58,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 12:42:58,068 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:42:58,068 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:42:58,069 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:42:58,073 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:42:58,073 INFO L82 PathProgramCache]: Analyzing trace with hash -693248864, now seen corresponding path program 1 times [2018-11-18 12:42:58,075 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 12:42:58,076 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b658b70b-4a99-40cd-8186-74940e5669d4/bin-2019/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-11-18 12:42:58,079 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:42:58,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:42:58,256 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:42:58,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:42:58,270 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 12:42:58,281 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:42:58,281 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 12:42:58,284 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 12:42:58,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 12:42:58,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 12:42:58,294 INFO L87 Difference]: Start difference. First operand 86 states. Second operand 2 states. [2018-11-18 12:42:58,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:42:58,317 INFO L93 Difference]: Finished difference Result 164 states and 248 transitions. [2018-11-18 12:42:58,317 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 12:42:58,318 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 22 [2018-11-18 12:42:58,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:42:58,326 INFO L225 Difference]: With dead ends: 164 [2018-11-18 12:42:58,326 INFO L226 Difference]: Without dead ends: 82 [2018-11-18 12:42:58,329 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 12:42:58,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2018-11-18 12:42:58,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2018-11-18 12:42:58,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2018-11-18 12:42:58,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 108 transitions. [2018-11-18 12:42:58,364 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 108 transitions. Word has length 22 [2018-11-18 12:42:58,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:42:58,364 INFO L480 AbstractCegarLoop]: Abstraction has 82 states and 108 transitions. [2018-11-18 12:42:58,365 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 12:42:58,365 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 108 transitions. [2018-11-18 12:42:58,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-18 12:42:58,367 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:42:58,367 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:42:58,367 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:42:58,367 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:42:58,367 INFO L82 PathProgramCache]: Analyzing trace with hash 206452894, now seen corresponding path program 1 times [2018-11-18 12:42:58,368 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 12:42:58,368 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b658b70b-4a99-40cd-8186-74940e5669d4/bin-2019/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-11-18 12:42:58,376 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:42:58,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:42:58,522 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:42:58,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:42:58,684 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 12:42:58,693 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:42:58,693 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 12:42:58,695 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 12:42:58,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 12:42:58,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 12:42:58,695 INFO L87 Difference]: Start difference. First operand 82 states and 108 transitions. Second operand 7 states. [2018-11-18 12:43:09,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:43:09,844 INFO L93 Difference]: Finished difference Result 94 states and 119 transitions. [2018-11-18 12:43:09,844 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 12:43:09,844 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2018-11-18 12:43:09,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:43:09,847 INFO L225 Difference]: With dead ends: 94 [2018-11-18 12:43:09,847 INFO L226 Difference]: Without dead ends: 79 [2018-11-18 12:43:09,848 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-11-18 12:43:09,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2018-11-18 12:43:09,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 77. [2018-11-18 12:43:09,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2018-11-18 12:43:09,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 100 transitions. [2018-11-18 12:43:09,855 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 100 transitions. Word has length 23 [2018-11-18 12:43:09,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:43:09,856 INFO L480 AbstractCegarLoop]: Abstraction has 77 states and 100 transitions. [2018-11-18 12:43:09,856 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 12:43:09,856 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 100 transitions. [2018-11-18 12:43:09,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-18 12:43:09,857 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:43:09,857 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:43:09,857 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:43:09,857 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:43:09,857 INFO L82 PathProgramCache]: Analyzing trace with hash 9939389, now seen corresponding path program 1 times [2018-11-18 12:43:09,858 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 12:43:09,858 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b658b70b-4a99-40cd-8186-74940e5669d4/bin-2019/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-11-18 12:43:09,861 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:43:13,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:43:13,997 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:43:14,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:43:14,103 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 12:43:14,160 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:43:14,160 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 12:43:14,160 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 12:43:14,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 12:43:14,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 12:43:14,161 INFO L87 Difference]: Start difference. First operand 77 states and 100 transitions. Second operand 7 states. [2018-11-18 12:43:24,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:43:24,053 INFO L93 Difference]: Finished difference Result 89 states and 111 transitions. [2018-11-18 12:43:24,055 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 12:43:24,055 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2018-11-18 12:43:24,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:43:24,056 INFO L225 Difference]: With dead ends: 89 [2018-11-18 12:43:24,057 INFO L226 Difference]: Without dead ends: 78 [2018-11-18 12:43:24,057 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-11-18 12:43:24,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2018-11-18 12:43:24,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 76. [2018-11-18 12:43:24,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-11-18 12:43:24,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 98 transitions. [2018-11-18 12:43:24,064 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 98 transitions. Word has length 23 [2018-11-18 12:43:24,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:43:24,066 INFO L480 AbstractCegarLoop]: Abstraction has 76 states and 98 transitions. [2018-11-18 12:43:24,066 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 12:43:24,066 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 98 transitions. [2018-11-18 12:43:24,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-18 12:43:24,066 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:43:24,067 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:43:24,067 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:43:24,067 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:43:24,067 INFO L82 PathProgramCache]: Analyzing trace with hash 1419830349, now seen corresponding path program 1 times [2018-11-18 12:43:24,067 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 12:43:24,068 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b658b70b-4a99-40cd-8186-74940e5669d4/bin-2019/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-11-18 12:43:24,073 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:43:24,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:43:24,755 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:43:38,193 WARN L180 SmtUtils]: Spent 3.05 s on a formula simplification that was a NOOP. DAG size: 6 [2018-11-18 12:43:52,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:43:52,054 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 12:43:52,069 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:43:52,069 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-18 12:43:52,069 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 12:43:52,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 12:43:52,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=55, Unknown=2, NotChecked=0, Total=72 [2018-11-18 12:43:52,070 INFO L87 Difference]: Start difference. First operand 76 states and 98 transitions. Second operand 9 states. [2018-11-18 12:44:05,912 WARN L854 $PredicateComparison]: unable to prove that (and (= |c___ieee754_acos_#res| (let ((.cse0 (fp.sub roundNearestTiesToEven |c___ieee754_acos_#in~x| |c___ieee754_acos_#in~x|))) (fp.div roundNearestTiesToEven .cse0 .cse0))) (= |c___ieee754_acos_#in~x| c___ieee754_acos_~x)) is different from true [2018-11-18 12:44:25,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:44:25,825 INFO L93 Difference]: Finished difference Result 85 states and 107 transitions. [2018-11-18 12:44:25,825 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-18 12:44:25,825 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 24 [2018-11-18 12:44:25,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:44:25,827 INFO L225 Difference]: With dead ends: 85 [2018-11-18 12:44:25,827 INFO L226 Difference]: Without dead ends: 78 [2018-11-18 12:44:25,827 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 35.5s TimeCoverageRelationStatistics Valid=31, Invalid=102, Unknown=3, NotChecked=20, Total=156 [2018-11-18 12:44:25,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2018-11-18 12:44:25,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 76. [2018-11-18 12:44:25,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-11-18 12:44:25,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 97 transitions. [2018-11-18 12:44:25,835 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 97 transitions. Word has length 24 [2018-11-18 12:44:25,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:44:25,835 INFO L480 AbstractCegarLoop]: Abstraction has 76 states and 97 transitions. [2018-11-18 12:44:25,835 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 12:44:25,835 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 97 transitions. [2018-11-18 12:44:25,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-18 12:44:25,836 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:44:25,836 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:44:25,836 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:44:25,837 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:44:25,837 INFO L82 PathProgramCache]: Analyzing trace with hash 139224432, now seen corresponding path program 1 times [2018-11-18 12:44:25,837 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 12:44:25,837 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b658b70b-4a99-40cd-8186-74940e5669d4/bin-2019/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-11-18 12:44:25,841 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:44:25,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:44:25,926 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:44:26,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:44:26,024 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 12:44:26,037 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:44:26,037 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 12:44:26,037 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 12:44:26,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 12:44:26,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 12:44:26,038 INFO L87 Difference]: Start difference. First operand 76 states and 97 transitions. Second operand 7 states. [2018-11-18 12:44:30,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:44:30,545 INFO L93 Difference]: Finished difference Result 86 states and 106 transitions. [2018-11-18 12:44:30,567 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 12:44:30,567 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 25 [2018-11-18 12:44:30,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:44:30,568 INFO L225 Difference]: With dead ends: 86 [2018-11-18 12:44:30,568 INFO L226 Difference]: Without dead ends: 72 [2018-11-18 12:44:30,568 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-11-18 12:44:30,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2018-11-18 12:44:30,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2018-11-18 12:44:30,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2018-11-18 12:44:30,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 91 transitions. [2018-11-18 12:44:30,572 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 91 transitions. Word has length 25 [2018-11-18 12:44:30,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:44:30,572 INFO L480 AbstractCegarLoop]: Abstraction has 72 states and 91 transitions. [2018-11-18 12:44:30,572 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 12:44:30,572 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 91 transitions. [2018-11-18 12:44:30,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 12:44:30,573 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:44:30,573 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:44:30,573 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:44:30,573 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:44:30,573 INFO L82 PathProgramCache]: Analyzing trace with hash -87833946, now seen corresponding path program 1 times [2018-11-18 12:44:30,574 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 12:44:30,574 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b658b70b-4a99-40cd-8186-74940e5669d4/bin-2019/utaipan/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2018-11-18 12:44:30,577 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:44:34,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:44:34,975 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:44:35,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:44:35,071 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 12:44:35,126 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:44:35,126 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 12:44:35,127 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 12:44:35,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 12:44:35,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 12:44:35,127 INFO L87 Difference]: Start difference. First operand 72 states and 91 transitions. Second operand 7 states. [2018-11-18 12:44:38,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:44:38,560 INFO L93 Difference]: Finished difference Result 72 states and 91 transitions. [2018-11-18 12:44:38,562 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 12:44:38,562 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 31 [2018-11-18 12:44:38,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:44:38,562 INFO L225 Difference]: With dead ends: 72 [2018-11-18 12:44:38,563 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 12:44:38,563 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-11-18 12:44:38,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 12:44:38,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 12:44:38,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 12:44:38,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 12:44:38,563 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 31 [2018-11-18 12:44:38,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:44:38,564 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 12:44:38,564 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 12:44:38,564 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 12:44:38,564 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 12:44:38,568 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 12:44:38,820 INFO L428 ceAbstractionStarter]: At program point __ieee754_sqrtENTRY(lines 21 129) the Hoare annotation is: true [2018-11-18 12:44:38,820 INFO L425 ceAbstractionStarter]: For program point L60(lines 60 63) no Hoare annotation was computed. [2018-11-18 12:44:38,820 INFO L425 ceAbstractionStarter]: For program point L27-1(lines 27 32) no Hoare annotation was computed. [2018-11-18 12:44:38,820 INFO L425 ceAbstractionStarter]: For program point L60-2(lines 60 63) no Hoare annotation was computed. [2018-11-18 12:44:38,820 INFO L428 ceAbstractionStarter]: At program point L27-3(lines 27 32) the Hoare annotation is: true [2018-11-18 12:44:38,820 INFO L425 ceAbstractionStarter]: For program point __ieee754_sqrtFINAL(lines 21 129) no Hoare annotation was computed. [2018-11-18 12:44:38,821 INFO L425 ceAbstractionStarter]: For program point L27-4(lines 21 129) no Hoare annotation was computed. [2018-11-18 12:44:38,821 INFO L425 ceAbstractionStarter]: For program point L52-1(lines 52 53) no Hoare annotation was computed. [2018-11-18 12:44:38,821 INFO L425 ceAbstractionStarter]: For program point L52-3(lines 52 53) no Hoare annotation was computed. [2018-11-18 12:44:38,821 INFO L428 ceAbstractionStarter]: At program point L52-4(lines 52 53) the Hoare annotation is: true [2018-11-18 12:44:38,821 INFO L425 ceAbstractionStarter]: For program point L52-5(lines 52 53) no Hoare annotation was computed. [2018-11-18 12:44:38,821 INFO L425 ceAbstractionStarter]: For program point L110(lines 110 111) no Hoare annotation was computed. [2018-11-18 12:44:38,821 INFO L425 ceAbstractionStarter]: For program point L110-2(lines 110 111) no Hoare annotation was computed. [2018-11-18 12:44:38,821 INFO L425 ceAbstractionStarter]: For program point L102(lines 102 116) no Hoare annotation was computed. [2018-11-18 12:44:38,821 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 120) no Hoare annotation was computed. [2018-11-18 12:44:38,821 INFO L425 ceAbstractionStarter]: For program point L119-2(lines 119 120) no Hoare annotation was computed. [2018-11-18 12:44:38,821 INFO L425 ceAbstractionStarter]: For program point L87(lines 87 96) no Hoare annotation was computed. [2018-11-18 12:44:38,822 INFO L425 ceAbstractionStarter]: For program point L87-2(lines 87 96) no Hoare annotation was computed. [2018-11-18 12:44:38,822 INFO L425 ceAbstractionStarter]: For program point L46(lines 46 57) no Hoare annotation was computed. [2018-11-18 12:44:38,822 INFO L425 ceAbstractionStarter]: For program point L46-2(lines 46 57) no Hoare annotation was computed. [2018-11-18 12:44:38,822 INFO L425 ceAbstractionStarter]: For program point L104(lines 104 115) no Hoare annotation was computed. [2018-11-18 12:44:38,822 INFO L425 ceAbstractionStarter]: For program point L38(lines 38 43) no Hoare annotation was computed. [2018-11-18 12:44:38,822 INFO L425 ceAbstractionStarter]: For program point L71-1(lines 71 81) no Hoare annotation was computed. [2018-11-18 12:44:38,822 INFO L425 ceAbstractionStarter]: For program point L38-2(lines 38 43) no Hoare annotation was computed. [2018-11-18 12:44:38,822 INFO L428 ceAbstractionStarter]: At program point L71-3(lines 71 81) the Hoare annotation is: true [2018-11-18 12:44:38,822 INFO L425 ceAbstractionStarter]: For program point L71-4(lines 71 81) no Hoare annotation was computed. [2018-11-18 12:44:38,822 INFO L425 ceAbstractionStarter]: For program point L47-1(lines 47 51) no Hoare annotation was computed. [2018-11-18 12:44:38,822 INFO L428 ceAbstractionStarter]: At program point L47-3(lines 47 51) the Hoare annotation is: true [2018-11-18 12:44:38,822 INFO L425 ceAbstractionStarter]: For program point L47-4(lines 47 51) no Hoare annotation was computed. [2018-11-18 12:44:38,822 INFO L425 ceAbstractionStarter]: For program point L39(lines 39 42) no Hoare annotation was computed. [2018-11-18 12:44:38,822 INFO L425 ceAbstractionStarter]: For program point L89(lines 89 90) no Hoare annotation was computed. [2018-11-18 12:44:38,822 INFO L425 ceAbstractionStarter]: For program point L122-1(lines 122 127) no Hoare annotation was computed. [2018-11-18 12:44:38,823 INFO L425 ceAbstractionStarter]: For program point L89-2(lines 89 90) no Hoare annotation was computed. [2018-11-18 12:44:38,823 INFO L428 ceAbstractionStarter]: At program point L122-3(lines 122 127) the Hoare annotation is: true [2018-11-18 12:44:38,823 INFO L425 ceAbstractionStarter]: For program point L122-4(lines 122 127) no Hoare annotation was computed. [2018-11-18 12:44:38,823 INFO L425 ceAbstractionStarter]: For program point L106(lines 106 114) no Hoare annotation was computed. [2018-11-18 12:44:38,823 INFO L425 ceAbstractionStarter]: For program point L73(lines 73 77) no Hoare annotation was computed. [2018-11-18 12:44:38,823 INFO L425 ceAbstractionStarter]: For program point L73-2(lines 73 77) no Hoare annotation was computed. [2018-11-18 12:44:38,823 INFO L425 ceAbstractionStarter]: For program point __ieee754_sqrtEXIT(lines 21 129) no Hoare annotation was computed. [2018-11-18 12:44:38,823 INFO L425 ceAbstractionStarter]: For program point L41(lines 41 42) no Hoare annotation was computed. [2018-11-18 12:44:38,823 INFO L425 ceAbstractionStarter]: For program point L92(lines 92 93) no Hoare annotation was computed. [2018-11-18 12:44:38,823 INFO L425 ceAbstractionStarter]: For program point L92-2(lines 92 93) no Hoare annotation was computed. [2018-11-18 12:44:38,823 INFO L425 ceAbstractionStarter]: For program point L84-1(lines 84 100) no Hoare annotation was computed. [2018-11-18 12:44:38,823 INFO L428 ceAbstractionStarter]: At program point L84-3(lines 84 100) the Hoare annotation is: true [2018-11-18 12:44:38,823 INFO L425 ceAbstractionStarter]: For program point L84-4(lines 21 129) no Hoare annotation was computed. [2018-11-18 12:44:38,823 INFO L425 ceAbstractionStarter]: For program point L109(lines 109 114) no Hoare annotation was computed. [2018-11-18 12:44:38,823 INFO L428 ceAbstractionStarter]: At program point isnan_doubleENTRY(line 17) the Hoare annotation is: true [2018-11-18 12:44:38,823 INFO L425 ceAbstractionStarter]: For program point isnan_doubleEXIT(line 17) no Hoare annotation was computed. [2018-11-18 12:44:38,823 INFO L425 ceAbstractionStarter]: For program point isnan_doubleFINAL(line 17) no Hoare annotation was computed. [2018-11-18 12:44:38,824 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 12:44:38,824 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-18 12:44:38,824 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 12:44:38,824 INFO L425 ceAbstractionStarter]: For program point L155(lines 155 169) no Hoare annotation was computed. [2018-11-18 12:44:38,824 INFO L425 ceAbstractionStarter]: For program point __ieee754_acosEXIT(lines 146 215) no Hoare annotation was computed. [2018-11-18 12:44:38,824 INFO L428 ceAbstractionStarter]: At program point __ieee754_acosENTRY(lines 146 215) the Hoare annotation is: true [2018-11-18 12:44:38,824 INFO L425 ceAbstractionStarter]: For program point __ieee754_acosFINAL(lines 146 215) no Hoare annotation was computed. [2018-11-18 12:44:38,824 INFO L425 ceAbstractionStarter]: For program point L198-1(lines 198 203) no Hoare annotation was computed. [2018-11-18 12:44:38,824 INFO L421 ceAbstractionStarter]: At program point L198-3(lines 198 203) the Hoare annotation is: (and (exists ((v_prenex_9 (_ BitVec 64))) (and (= (bvand (_ bv2147483647 32) ((_ extract 63 32) v_prenex_9)) __ieee754_acos_~ix~0) (= |__ieee754_acos_#in~x| (fp ((_ extract 63 63) v_prenex_9) ((_ extract 62 52) v_prenex_9) ((_ extract 51 0) v_prenex_9))))) (exists ((v_prenex_9 (_ BitVec 64))) (and (= |__ieee754_acos_#in~x| (fp ((_ extract 63 63) v_prenex_9) ((_ extract 62 52) v_prenex_9) ((_ extract 51 0) v_prenex_9))) (not (bvsge (bvand (_ bv2147483647 32) ((_ extract 63 32) v_prenex_9)) (_ bv1072693248 32))))) (exists ((v_prenex_9 (_ BitVec 64))) (and (= |__ieee754_acos_#in~x| (fp ((_ extract 63 63) v_prenex_9) ((_ extract 62 52) v_prenex_9) ((_ extract 51 0) v_prenex_9))) (= ((_ extract 63 32) v_prenex_9) __ieee754_acos_~hx~0))) (= |__ieee754_acos_#in~x| __ieee754_acos_~x)) [2018-11-18 12:44:38,824 INFO L425 ceAbstractionStarter]: For program point L198-4(lines 198 203) no Hoare annotation was computed. [2018-11-18 12:44:38,824 INFO L421 ceAbstractionStarter]: At program point L190(line 190) the Hoare annotation is: (exists ((v_prenex_12 (_ BitVec 64))) (and (not (bvsge (bvand (_ bv2147483647 32) ((_ extract 63 32) v_prenex_12)) (_ bv1072693248 32))) (= |__ieee754_acos_#in~x| (fp ((_ extract 63 63) v_prenex_12) ((_ extract 62 52) v_prenex_12) ((_ extract 51 0) v_prenex_12))))) [2018-11-18 12:44:38,824 INFO L425 ceAbstractionStarter]: For program point L190-1(line 190) no Hoare annotation was computed. [2018-11-18 12:44:38,824 INFO L425 ceAbstractionStarter]: For program point L157-1(lines 157 161) no Hoare annotation was computed. [2018-11-18 12:44:38,825 INFO L421 ceAbstractionStarter]: At program point L157-3(lines 157 161) the Hoare annotation is: (and (exists ((v_prenex_10 (_ BitVec 64))) (and (= |__ieee754_acos_#in~x| (fp ((_ extract 63 63) v_prenex_10) ((_ extract 62 52) v_prenex_10) ((_ extract 51 0) v_prenex_10))) (= (bvand (_ bv2147483647 32) ((_ extract 63 32) v_prenex_10)) __ieee754_acos_~ix~0))) (= |__ieee754_acos_#in~x| __ieee754_acos_~x) (exists ((v_prenex_10 (_ BitVec 64))) (and (= |__ieee754_acos_#in~x| (fp ((_ extract 63 63) v_prenex_10) ((_ extract 62 52) v_prenex_10) ((_ extract 51 0) v_prenex_10))) (= ((_ extract 63 32) v_prenex_10) __ieee754_acos_~hx~0)))) [2018-11-18 12:44:38,825 INFO L425 ceAbstractionStarter]: For program point L157-4(lines 155 169) no Hoare annotation was computed. [2018-11-18 12:44:38,825 INFO L425 ceAbstractionStarter]: For program point L182(lines 182 214) no Hoare annotation was computed. [2018-11-18 12:44:38,825 INFO L425 ceAbstractionStarter]: For program point L149-1(lines 149 153) no Hoare annotation was computed. [2018-11-18 12:44:38,825 INFO L421 ceAbstractionStarter]: At program point L149-3(lines 149 153) the Hoare annotation is: (= |__ieee754_acos_#in~x| __ieee754_acos_~x) [2018-11-18 12:44:38,825 INFO L425 ceAbstractionStarter]: For program point L149-4(lines 149 153) no Hoare annotation was computed. [2018-11-18 12:44:38,825 INFO L425 ceAbstractionStarter]: For program point L170(lines 170 214) no Hoare annotation was computed. [2018-11-18 12:44:38,825 INFO L425 ceAbstractionStarter]: For program point L171(lines 171 172) no Hoare annotation was computed. [2018-11-18 12:44:38,825 INFO L421 ceAbstractionStarter]: At program point L196(line 196) the Hoare annotation is: (and (exists ((v_prenex_9 (_ BitVec 64))) (and (= (bvand (_ bv2147483647 32) ((_ extract 63 32) v_prenex_9)) __ieee754_acos_~ix~0) (= |__ieee754_acos_#in~x| (fp ((_ extract 63 63) v_prenex_9) ((_ extract 62 52) v_prenex_9) ((_ extract 51 0) v_prenex_9))))) (exists ((v_prenex_9 (_ BitVec 64))) (and (= |__ieee754_acos_#in~x| (fp ((_ extract 63 63) v_prenex_9) ((_ extract 62 52) v_prenex_9) ((_ extract 51 0) v_prenex_9))) (not (bvsge (bvand (_ bv2147483647 32) ((_ extract 63 32) v_prenex_9)) (_ bv1072693248 32))))) (exists ((v_prenex_9 (_ BitVec 64))) (and (= |__ieee754_acos_#in~x| (fp ((_ extract 63 63) v_prenex_9) ((_ extract 62 52) v_prenex_9) ((_ extract 51 0) v_prenex_9))) (= ((_ extract 63 32) v_prenex_9) __ieee754_acos_~hx~0))) (= |__ieee754_acos_#in~x| __ieee754_acos_~x)) [2018-11-18 12:44:38,825 INFO L425 ceAbstractionStarter]: For program point L163(lines 163 166) no Hoare annotation was computed. [2018-11-18 12:44:38,825 INFO L425 ceAbstractionStarter]: For program point L196-1(line 196) no Hoare annotation was computed. [2018-11-18 12:44:38,825 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 12:44:38,825 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-18 12:44:38,825 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 12:44:38,826 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 12:44:38,826 INFO L421 ceAbstractionStarter]: At program point L225(line 225) the Hoare annotation is: (= main_~x~0 (fp.div roundNearestTiesToEven (_ +zero 11 53) (_ +zero 11 53))) [2018-11-18 12:44:38,826 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 229) no Hoare annotation was computed. [2018-11-18 12:44:38,826 INFO L425 ceAbstractionStarter]: For program point L225-1(line 225) no Hoare annotation was computed. [2018-11-18 12:44:38,826 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 217 234) the Hoare annotation is: true [2018-11-18 12:44:38,826 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 217 234) no Hoare annotation was computed. [2018-11-18 12:44:38,826 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 217 234) no Hoare annotation was computed. [2018-11-18 12:44:38,826 INFO L425 ceAbstractionStarter]: For program point L229(line 229) no Hoare annotation was computed. [2018-11-18 12:44:38,826 INFO L421 ceAbstractionStarter]: At program point L228(line 228) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven (_ +zero 11 53) (_ +zero 11 53)))) (and (= main_~x~0 .cse0) (= (let ((.cse1 (fp.sub roundNearestTiesToEven .cse0 .cse0))) (fp.div roundNearestTiesToEven .cse1 .cse1)) main_~res~0))) [2018-11-18 12:44:38,826 INFO L425 ceAbstractionStarter]: For program point L228-1(lines 228 231) no Hoare annotation was computed. [2018-11-18 12:44:38,831 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-18 12:44:38,831 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-18 12:44:38,832 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-18 12:44:38,832 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-18 12:44:38,832 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-18 12:44:38,832 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-18 12:44:38,833 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-18 12:44:38,833 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-18 12:44:38,833 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-18 12:44:38,833 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-18 12:44:38,833 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-18 12:44:38,834 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-18 12:44:38,837 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-18 12:44:38,837 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-18 12:44:38,838 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-18 12:44:38,838 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-18 12:44:38,838 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-18 12:44:38,838 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-18 12:44:38,838 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-18 12:44:38,838 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-18 12:44:38,838 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-18 12:44:38,838 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-18 12:44:38,838 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-18 12:44:38,839 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-18 12:44:38,840 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-18 12:44:38,840 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-18 12:44:38,840 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-18 12:44:38,840 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-18 12:44:38,841 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-18 12:44:38,841 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-18 12:44:38,841 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-18 12:44:38,841 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-18 12:44:38,842 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-18 12:44:38,842 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-18 12:44:38,842 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-18 12:44:38,842 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-18 12:44:38,842 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-18 12:44:38,843 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-18 12:44:38,843 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-18 12:44:38,843 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-18 12:44:38,844 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 12:44:38 BoogieIcfgContainer [2018-11-18 12:44:38,845 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 12:44:38,845 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 12:44:38,845 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 12:44:38,845 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 12:44:38,846 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:42:58" (3/4) ... [2018-11-18 12:44:38,849 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 12:44:38,853 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrt [2018-11-18 12:44:38,853 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_double [2018-11-18 12:44:38,853 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 12:44:38,853 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_acos [2018-11-18 12:44:38,854 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 12:44:38,858 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 52 nodes and edges [2018-11-18 12:44:38,859 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-18 12:44:38,859 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 12:44:38,859 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 12:44:38,877 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-11-18 12:44:38,877 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\exists v_prenex_10 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_prenex_10[63:63], v_prenex_10[62:52], v_prenex_10[51:0]) && ~bvand32(2147483647bv32, v_prenex_10[63:32]) == ix) && \old(x) == x) && (\exists v_prenex_10 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_prenex_10[63:63], v_prenex_10[62:52], v_prenex_10[51:0]) && v_prenex_10[63:32] == hx) [2018-11-18 12:44:38,877 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\exists v_prenex_9 : bv64 :: ~bvand32(2147483647bv32, v_prenex_9[63:32]) == ix && \old(x) == ~fp~LONGDOUBLE(v_prenex_9[63:63], v_prenex_9[62:52], v_prenex_9[51:0])) && (\exists v_prenex_9 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_prenex_9[63:63], v_prenex_9[62:52], v_prenex_9[51:0]) && !~bvsge32(~bvand32(2147483647bv32, v_prenex_9[63:32]), 1072693248bv32))) && (\exists v_prenex_9 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_prenex_9[63:63], v_prenex_9[62:52], v_prenex_9[51:0]) && v_prenex_9[63:32] == hx)) && \old(x) == x [2018-11-18 12:44:38,910 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b658b70b-4a99-40cd-8186-74940e5669d4/bin-2019/utaipan/witness.graphml [2018-11-18 12:44:38,910 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 12:44:38,911 INFO L168 Benchmark]: Toolchain (without parser) took 116588.11 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.5 MB). Free memory was 954.6 MB in the beginning and 810.1 MB in the end (delta: 144.5 MB). Peak memory consumption was 264.0 MB. Max. memory is 11.5 GB. [2018-11-18 12:44:38,912 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:44:38,912 INFO L168 Benchmark]: CACSL2BoogieTranslator took 318.65 ms. Allocated memory is still 1.0 GB. Free memory was 954.6 MB in the beginning and 933.1 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-18 12:44:38,912 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.18 ms. Allocated memory is still 1.0 GB. Free memory is still 933.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:44:38,912 INFO L168 Benchmark]: Boogie Preprocessor took 95.54 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.5 MB). Free memory was 933.1 MB in the beginning and 1.1 GB in the end (delta: -173.7 MB). Peak memory consumption was 15.8 MB. Max. memory is 11.5 GB. [2018-11-18 12:44:38,913 INFO L168 Benchmark]: RCFGBuilder took 15236.09 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 11.5 GB. [2018-11-18 12:44:38,913 INFO L168 Benchmark]: TraceAbstraction took 100841.63 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 816.9 MB in the end (delta: 247.0 MB). Peak memory consumption was 247.0 MB. Max. memory is 11.5 GB. [2018-11-18 12:44:38,913 INFO L168 Benchmark]: Witness Printer took 65.49 ms. Allocated memory is still 1.1 GB. Free memory was 816.9 MB in the beginning and 810.1 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-18 12:44:38,915 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 318.65 ms. Allocated memory is still 1.0 GB. Free memory was 954.6 MB in the beginning and 933.1 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.18 ms. Allocated memory is still 1.0 GB. Free memory is still 933.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 95.54 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.5 MB). Free memory was 933.1 MB in the beginning and 1.1 GB in the end (delta: -173.7 MB). Peak memory consumption was 15.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 15236.09 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 100841.63 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 816.9 MB in the end (delta: 247.0 MB). Peak memory consumption was 247.0 MB. Max. memory is 11.5 GB. * Witness Printer took 65.49 ms. Allocated memory is still 1.1 GB. Free memory was 816.9 MB in the beginning and 810.1 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_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 229]: 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: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 198]: Loop Invariant [2018-11-18 12:44:38,919 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-18 12:44:38,919 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-18 12:44:38,919 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-18 12:44:38,919 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-18 12:44:38,920 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-18 12:44:38,920 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-18 12:44:38,920 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-18 12:44:38,920 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-18 12:44:38,920 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-18 12:44:38,920 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-18 12:44:38,920 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-18 12:44:38,920 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-18 12:44:38,921 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-18 12:44:38,921 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-18 12:44:38,921 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-18 12:44:38,921 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-18 12:44:38,921 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-18 12:44:38,921 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-18 12:44:38,921 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-18 12:44:38,922 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-18 12:44:38,922 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-18 12:44:38,922 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-18 12:44:38,922 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-18 12:44:38,922 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] Derived loop invariant: (((\exists v_prenex_9 : bv64 :: ~bvand32(2147483647bv32, v_prenex_9[63:32]) == ix && \old(x) == ~fp~LONGDOUBLE(v_prenex_9[63:63], v_prenex_9[62:52], v_prenex_9[51:0])) && (\exists v_prenex_9 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_prenex_9[63:63], v_prenex_9[62:52], v_prenex_9[51:0]) && !~bvsge32(~bvand32(2147483647bv32, v_prenex_9[63:32]), 1072693248bv32))) && (\exists v_prenex_9 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_prenex_9[63:63], v_prenex_9[62:52], v_prenex_9[51:0]) && v_prenex_9[63:32] == hx)) && \old(x) == x - InvariantResult [Line: 47]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 157]: Loop Invariant [2018-11-18 12:44:38,923 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-18 12:44:38,923 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-18 12:44:38,923 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-18 12:44:38,923 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-18 12:44:38,923 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-18 12:44:38,923 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-18 12:44:38,923 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-18 12:44:38,923 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-18 12:44:38,923 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-18 12:44:38,924 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-18 12:44:38,924 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-18 12:44:38,924 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-18 12:44:38,924 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-18 12:44:38,924 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-18 12:44:38,924 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-18 12:44:38,924 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] Derived loop invariant: ((\exists v_prenex_10 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_prenex_10[63:63], v_prenex_10[62:52], v_prenex_10[51:0]) && ~bvand32(2147483647bv32, v_prenex_10[63:32]) == ix) && \old(x) == x) && (\exists v_prenex_10 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_prenex_10[63:63], v_prenex_10[62:52], v_prenex_10[51:0]) && v_prenex_10[63:32] == hx) - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 86 locations, 1 error locations. SAFE Result, 100.7s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 62.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 549 SDtfs, 160 SDslu, 2243 SDs, 0 SdLazy, 201 SolverSat, 7 SolverUnsat, 9 SolverUnknown, 0 SolverNotchecked, 45.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 158 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 36.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=86occurred 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, 6 MinimizatonAttempts, 6 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 20 LocationsWithAnnotation, 46 PreInvPairs, 64 NumberOfFragments, 215 HoareAnnotationTreeSize, 46 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 20 FomulaSimplificationsInter, 64 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 8.7s SatisfiabilityAnalysisTime, 28.5s InterpolantComputationTime, 148 NumberOfCodeBlocks, 148 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 142 ConstructedInterpolants, 32 QuantifiedInterpolants, 19885 SizeOfPredicates, 21 NumberOfNonLiveVariables, 684 ConjunctsInSsa, 40 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...