./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0460_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_3f711bba-37a2-4a98-980e-742ad8ad3ebc/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3f711bba-37a2-4a98-980e-742ad8ad3ebc/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3f711bba-37a2-4a98-980e-742ad8ad3ebc/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3f711bba-37a2-4a98-980e-742ad8ad3ebc/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0460_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_3f711bba-37a2-4a98-980e-742ad8ad3ebc/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3f711bba-37a2-4a98-980e-742ad8ad3ebc/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 0a68a8d22c43d5d5da66a3ce312fb10a795a70b2 ........................................................................................................................................................................................................................................................................................................................................ 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_3f711bba-37a2-4a98-980e-742ad8ad3ebc/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3f711bba-37a2-4a98-980e-742ad8ad3ebc/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3f711bba-37a2-4a98-980e-742ad8ad3ebc/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3f711bba-37a2-4a98-980e-742ad8ad3ebc/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0460_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_3f711bba-37a2-4a98-980e-742ad8ad3ebc/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3f711bba-37a2-4a98-980e-742ad8ad3ebc/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 0a68a8d22c43d5d5da66a3ce312fb10a795a70b2 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 08:10:21,327 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 08:10:21,328 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 08:10:21,335 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 08:10:21,336 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 08:10:21,336 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 08:10:21,337 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 08:10:21,337 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 08:10:21,339 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 08:10:21,339 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 08:10:21,340 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 08:10:21,340 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 08:10:21,341 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 08:10:21,342 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 08:10:21,342 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 08:10:21,343 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 08:10:21,344 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 08:10:21,345 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 08:10:21,346 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 08:10:21,347 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 08:10:21,348 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 08:10:21,348 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 08:10:21,349 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 08:10:21,349 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 08:10:21,349 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 08:10:21,350 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 08:10:21,351 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 08:10:21,352 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 08:10:21,352 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 08:10:21,352 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 08:10:21,353 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 08:10:21,353 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 08:10:21,353 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 08:10:21,353 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 08:10:21,353 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 08:10:21,354 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 08:10:21,354 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3f711bba-37a2-4a98-980e-742ad8ad3ebc/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 08:10:21,363 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 08:10:21,363 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 08:10:21,364 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 08:10:21,364 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 08:10:21,364 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 08:10:21,364 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 08:10:21,364 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 08:10:21,365 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 08:10:21,365 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 08:10:21,365 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 08:10:21,365 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 08:10:21,365 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 08:10:21,365 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 08:10:21,366 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 08:10:21,366 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 08:10:21,366 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 08:10:21,366 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 08:10:21,367 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 08:10:21,367 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 08:10:21,367 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 08:10:21,367 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 08:10:21,367 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 08:10:21,367 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 08:10:21,367 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 08:10:21,368 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 08:10:21,368 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 08:10:21,368 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 08:10:21,368 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 08:10:21,368 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 08:10:21,368 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 08:10:21,368 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 08:10:21,369 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 08:10:21,369 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 08:10:21,369 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 08:10:21,369 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 08:10:21,369 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 08:10:21,369 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_3f711bba-37a2-4a98-980e-742ad8ad3ebc/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 -> 0a68a8d22c43d5d5da66a3ce312fb10a795a70b2 [2018-12-02 08:10:21,392 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 08:10:21,399 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 08:10:21,401 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 08:10:21,402 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 08:10:21,402 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 08:10:21,403 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3f711bba-37a2-4a98-980e-742ad8ad3ebc/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0460_true-unreach-call.c [2018-12-02 08:10:21,440 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3f711bba-37a2-4a98-980e-742ad8ad3ebc/bin-2019/utaipan/data/789549fbf/67714caeeabb4542ae092f27d3d2d727/FLAG61b2896d1 [2018-12-02 08:10:21,801 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 08:10:21,801 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3f711bba-37a2-4a98-980e-742ad8ad3ebc/sv-benchmarks/c/float-newlib/double_req_bl_0460_true-unreach-call.c [2018-12-02 08:10:21,806 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3f711bba-37a2-4a98-980e-742ad8ad3ebc/bin-2019/utaipan/data/789549fbf/67714caeeabb4542ae092f27d3d2d727/FLAG61b2896d1 [2018-12-02 08:10:21,813 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3f711bba-37a2-4a98-980e-742ad8ad3ebc/bin-2019/utaipan/data/789549fbf/67714caeeabb4542ae092f27d3d2d727 [2018-12-02 08:10:21,815 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 08:10:21,816 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 08:10:21,816 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 08:10:21,816 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 08:10:21,818 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 08:10:21,819 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:10:21" (1/1) ... [2018-12-02 08:10:21,820 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@325efab2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:10:21, skipping insertion in model container [2018-12-02 08:10:21,821 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:10:21" (1/1) ... [2018-12-02 08:10:21,825 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 08:10:21,844 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 08:10:21,963 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 08:10:21,966 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 08:10:21,999 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 08:10:22,043 INFO L195 MainTranslator]: Completed translation [2018-12-02 08:10:22,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:10:22 WrapperNode [2018-12-02 08:10:22,043 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 08:10:22,044 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 08:10:22,044 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 08:10:22,044 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 08:10:22,050 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:10:22" (1/1) ... [2018-12-02 08:10:22,057 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:10:22" (1/1) ... [2018-12-02 08:10:22,062 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 08:10:22,062 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 08:10:22,063 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 08:10:22,063 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 08:10:22,069 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:10:22" (1/1) ... [2018-12-02 08:10:22,069 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:10:22" (1/1) ... [2018-12-02 08:10:22,071 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:10:22" (1/1) ... [2018-12-02 08:10:22,071 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:10:22" (1/1) ... [2018-12-02 08:10:22,081 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:10:22" (1/1) ... [2018-12-02 08:10:22,087 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:10:22" (1/1) ... [2018-12-02 08:10:22,088 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:10:22" (1/1) ... [2018-12-02 08:10:22,090 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 08:10:22,091 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 08:10:22,091 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 08:10:22,091 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 08:10:22,091 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:10:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3f711bba-37a2-4a98-980e-742ad8ad3ebc/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 08:10:22,123 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-12-02 08:10:22,123 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-12-02 08:10:22,123 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_acos [2018-12-02 08:10:22,123 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_acos [2018-12-02 08:10:22,123 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 08:10:22,123 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 08:10:22,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-02 08:10:22,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-02 08:10:22,123 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2018-12-02 08:10:22,123 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2018-12-02 08:10:22,123 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 08:10:22,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 08:10:22,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-02 08:10:22,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 08:10:22,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 08:10:22,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 08:10:22,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-02 08:10:22,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 08:10:22,404 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 08:10:22,404 INFO L280 CfgBuilder]: Removed 14 assue(true) statements. [2018-12-02 08:10:22,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:10:22 BoogieIcfgContainer [2018-12-02 08:10:22,404 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 08:10:22,405 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 08:10:22,405 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 08:10:22,407 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 08:10:22,407 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:10:21" (1/3) ... [2018-12-02 08:10:22,408 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3469b451 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:10:22, skipping insertion in model container [2018-12-02 08:10:22,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:10:22" (2/3) ... [2018-12-02 08:10:22,408 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3469b451 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:10:22, skipping insertion in model container [2018-12-02 08:10:22,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:10:22" (3/3) ... [2018-12-02 08:10:22,410 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0460_true-unreach-call.c [2018-12-02 08:10:22,416 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 08:10:22,422 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 08:10:22,432 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 08:10:22,451 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 08:10:22,451 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 08:10:22,451 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 08:10:22,451 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 08:10:22,451 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 08:10:22,451 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 08:10:22,451 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 08:10:22,452 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 08:10:22,464 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states. [2018-12-02 08:10:22,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-02 08:10:22,467 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:10:22,468 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 08:10:22,469 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:10:22,472 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:10:22,473 INFO L82 PathProgramCache]: Analyzing trace with hash -184503110, now seen corresponding path program 1 times [2018-12-02 08:10:22,474 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 08:10:22,503 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:10:22,503 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:10:22,503 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:10:22,504 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 08:10:22,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:10:22,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 08:10:22,572 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 08:10:22,572 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 08:10:22,573 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 08:10:22,576 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 08:10:22,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 08:10:22,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 08:10:22,585 INFO L87 Difference]: Start difference. First operand 85 states. Second operand 2 states. [2018-12-02 08:10:22,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:10:22,603 INFO L93 Difference]: Finished difference Result 161 states and 246 transitions. [2018-12-02 08:10:22,604 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 08:10:22,604 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 24 [2018-12-02 08:10:22,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:10:22,610 INFO L225 Difference]: With dead ends: 161 [2018-12-02 08:10:22,611 INFO L226 Difference]: Without dead ends: 80 [2018-12-02 08:10:22,613 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 08:10:22,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2018-12-02 08:10:22,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2018-12-02 08:10:22,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2018-12-02 08:10:22,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 106 transitions. [2018-12-02 08:10:22,638 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 106 transitions. Word has length 24 [2018-12-02 08:10:22,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:10:22,639 INFO L480 AbstractCegarLoop]: Abstraction has 80 states and 106 transitions. [2018-12-02 08:10:22,639 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 08:10:22,639 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 106 transitions. [2018-12-02 08:10:22,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-02 08:10:22,640 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:10:22,640 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 08:10:22,641 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:10:22,641 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:10:22,641 INFO L82 PathProgramCache]: Analyzing trace with hash 363474328, now seen corresponding path program 1 times [2018-12-02 08:10:22,641 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 08:10:22,642 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:10:22,642 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:10:22,642 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:10:22,642 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 08:10:22,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 08:10:22,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 08:10:22,691 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-02 08:10:22,714 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 08:10:22 BoogieIcfgContainer [2018-12-02 08:10:22,714 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 08:10:22,715 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 08:10:22,715 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 08:10:22,715 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 08:10:22,715 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:10:22" (3/4) ... [2018-12-02 08:10:22,718 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-02 08:10:22,718 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 08:10:22,718 INFO L168 Benchmark]: Toolchain (without parser) took 902.77 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 957.8 MB in the beginning and 1.0 GB in the end (delta: -75.7 MB). Peak memory consumption was 44.4 MB. Max. memory is 11.5 GB. [2018-12-02 08:10:22,719 INFO L168 Benchmark]: CDTParser took 0.11 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. [2018-12-02 08:10:22,719 INFO L168 Benchmark]: CACSL2BoogieTranslator took 227.38 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 957.8 MB in the beginning and 1.1 GB in the end (delta: -152.7 MB). Peak memory consumption was 30.3 MB. Max. memory is 11.5 GB. [2018-12-02 08:10:22,720 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.53 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 08:10:22,720 INFO L168 Benchmark]: Boogie Preprocessor took 27.93 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 08:10:22,720 INFO L168 Benchmark]: RCFGBuilder took 313.95 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: 40.2 MB). Peak memory consumption was 40.2 MB. Max. memory is 11.5 GB. [2018-12-02 08:10:22,721 INFO L168 Benchmark]: TraceAbstraction took 309.43 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 36.9 MB). Peak memory consumption was 36.9 MB. Max. memory is 11.5 GB. [2018-12-02 08:10:22,721 INFO L168 Benchmark]: Witness Printer took 2.98 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 08:10:22,723 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 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 227.38 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 957.8 MB in the beginning and 1.1 GB in the end (delta: -152.7 MB). Peak memory consumption was 30.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.53 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.93 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 313.95 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: 40.2 MB). Peak memory consumption was 40.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 309.43 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 36.9 MB). Peak memory consumption was 36.9 MB. Max. memory is 11.5 GB. * Witness Printer took 2.98 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 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 132, overapproximation of bitwiseAnd at line 150, overapproximation of someBinaryArithmeticDOUBLEoperation at line 168, overapproximation of someBinaryDOUBLEComparisonOperation at line 213. Possible FailurePath: [L15] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; [L127-L140] 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)=6442450964, \old(one_sqrt)=6442450954, \old(pi)=6442450951, \old(pi)=6442450956, \old(pi)=6442450967, \old(pS0_acos)=6442450945, \old(pS1_acos)=6442450965, \old(pS2_acos)=6442450966, \old(pS3_acos)=6442450949, \old(pS4_acos)=6442450955, \old(pS5_acos)=6442450968, \old(qS1_acos)=6442450948, \old(qS2_acos)=6442450957, \old(qS3_acos)=6442450961, \old(qS4_acos)=6442450950, \old(tiny_sqrt)=6442450963, 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] [L221] double x = __VERIFIER_nondet_double(); [L223] COND TRUE x < -1.0 || x > 1.0 VAL [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=6442450952] [L225] CALL, EXPR __ieee754_acos(x) VAL [\old(x)=6442450952, 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, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L143] double z, p, q, r, w, s, c, df; [L144] __int32_t hx, ix; VAL [\old(x)=6442450952, 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=6442450952] [L146] ieee_double_shape_type gh_u; [L147] gh_u.value = (x) [L148] EXPR gh_u.parts.msw [L148] (hx) = gh_u.parts.msw [L150] ix = hx & 0x7fffffff VAL [\old(x)=6442450952, hx=-2147483648, 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] [L151] COND FALSE !(ix >= 0x3ff00000) VAL [\old(x)=6442450952, hx=-2147483648, ix=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, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450952] [L166] COND TRUE ix < 0x3fe00000 VAL [\old(x)=6442450952, 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=6442450952] [L167] COND TRUE ix <= 0x3c600000 [L168] return pio2_hi_acos + pio2_lo_acos; VAL [\old(x)=6442450952, 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=6442450952] [L225] RET, EXPR __ieee754_acos(x) VAL [__ieee754_acos(x)=6442450953, 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=6442450952] [L225] double res = __ieee754_acos(x); [L228] CALL, EXPR isnan_double(res) VAL [\old(x)=6442450953, 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] [L213] return x != x; VAL [\old(x)=6442450953, \result=0, 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=6442450953] [L228] RET, EXPR isnan_double(res) VAL [isnan_double(res)=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, res=6442450953, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450952] [L228] COND TRUE !isnan_double(res) [L229] __VERIFIER_error() VAL [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=6442450953, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450952] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 85 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 112 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=85occurred 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, 49 NumberOfCodeBlocks, 49 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 23 ConstructedInterpolants, 0 QuantifiedInterpolants, 529 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-02 08:10:24,082 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 08:10:24,083 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 08:10:24,089 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 08:10:24,089 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 08:10:24,089 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 08:10:24,090 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 08:10:24,091 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 08:10:24,092 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 08:10:24,092 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 08:10:24,092 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 08:10:24,092 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 08:10:24,093 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 08:10:24,093 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 08:10:24,094 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 08:10:24,094 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 08:10:24,095 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 08:10:24,096 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 08:10:24,097 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 08:10:24,097 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 08:10:24,098 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 08:10:24,098 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 08:10:24,099 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 08:10:24,100 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 08:10:24,100 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 08:10:24,100 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 08:10:24,101 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 08:10:24,101 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 08:10:24,101 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 08:10:24,102 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 08:10:24,102 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 08:10:24,102 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 08:10:24,102 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 08:10:24,103 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 08:10:24,103 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 08:10:24,103 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 08:10:24,104 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3f711bba-37a2-4a98-980e-742ad8ad3ebc/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-02 08:10:24,111 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 08:10:24,111 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 08:10:24,112 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 08:10:24,112 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 08:10:24,112 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 08:10:24,112 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 08:10:24,112 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 08:10:24,112 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 08:10:24,112 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 08:10:24,112 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 08:10:24,113 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 08:10:24,113 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 08:10:24,113 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 08:10:24,113 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 08:10:24,113 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 08:10:24,113 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 08:10:24,113 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 08:10:24,113 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-02 08:10:24,113 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-02 08:10:24,113 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 08:10:24,113 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 08:10:24,114 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 08:10:24,114 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 08:10:24,114 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 08:10:24,114 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 08:10:24,114 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 08:10:24,114 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 08:10:24,114 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 08:10:24,114 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 08:10:24,114 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 08:10:24,114 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 08:10:24,114 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-02 08:10:24,115 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 08:10:24,115 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-02 08:10:24,115 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-02 08:10:24,115 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_3f711bba-37a2-4a98-980e-742ad8ad3ebc/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 -> 0a68a8d22c43d5d5da66a3ce312fb10a795a70b2 [2018-12-02 08:10:24,132 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 08:10:24,140 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 08:10:24,142 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 08:10:24,143 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 08:10:24,143 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 08:10:24,144 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3f711bba-37a2-4a98-980e-742ad8ad3ebc/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0460_true-unreach-call.c [2018-12-02 08:10:24,179 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3f711bba-37a2-4a98-980e-742ad8ad3ebc/bin-2019/utaipan/data/eed88902d/43cda141715b475f8ab69eb51d36326c/FLAG0f95f30e8 [2018-12-02 08:10:24,538 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 08:10:24,538 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3f711bba-37a2-4a98-980e-742ad8ad3ebc/sv-benchmarks/c/float-newlib/double_req_bl_0460_true-unreach-call.c [2018-12-02 08:10:24,543 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3f711bba-37a2-4a98-980e-742ad8ad3ebc/bin-2019/utaipan/data/eed88902d/43cda141715b475f8ab69eb51d36326c/FLAG0f95f30e8 [2018-12-02 08:10:24,915 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3f711bba-37a2-4a98-980e-742ad8ad3ebc/bin-2019/utaipan/data/eed88902d/43cda141715b475f8ab69eb51d36326c [2018-12-02 08:10:24,917 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 08:10:24,918 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 08:10:24,918 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 08:10:24,919 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 08:10:24,921 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 08:10:24,922 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:10:24" (1/1) ... [2018-12-02 08:10:24,923 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31c435b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:10:24, skipping insertion in model container [2018-12-02 08:10:24,924 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:10:24" (1/1) ... [2018-12-02 08:10:24,928 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 08:10:24,942 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 08:10:25,069 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 08:10:25,073 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 08:10:25,106 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 08:10:25,123 INFO L195 MainTranslator]: Completed translation [2018-12-02 08:10:25,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:10:25 WrapperNode [2018-12-02 08:10:25,123 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 08:10:25,124 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 08:10:25,124 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 08:10:25,124 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 08:10:25,129 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:10:25" (1/1) ... [2018-12-02 08:10:25,137 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:10:25" (1/1) ... [2018-12-02 08:10:25,171 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 08:10:25,171 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 08:10:25,171 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 08:10:25,171 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 08:10:25,177 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:10:25" (1/1) ... [2018-12-02 08:10:25,177 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:10:25" (1/1) ... [2018-12-02 08:10:25,180 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:10:25" (1/1) ... [2018-12-02 08:10:25,180 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:10:25" (1/1) ... [2018-12-02 08:10:25,192 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:10:25" (1/1) ... [2018-12-02 08:10:25,198 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:10:25" (1/1) ... [2018-12-02 08:10:25,200 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:10:25" (1/1) ... [2018-12-02 08:10:25,202 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 08:10:25,202 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 08:10:25,202 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 08:10:25,202 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 08:10:25,203 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:10:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3f711bba-37a2-4a98-980e-742ad8ad3ebc/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 08:10:25,235 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-12-02 08:10:25,235 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-12-02 08:10:25,236 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-12-02 08:10:25,236 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_acos [2018-12-02 08:10:25,236 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_acos [2018-12-02 08:10:25,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-12-02 08:10:25,236 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 08:10:25,236 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 08:10:25,236 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2018-12-02 08:10:25,236 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2018-12-02 08:10:25,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 08:10:25,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 08:10:25,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 08:10:25,236 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-02 08:10:25,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 08:10:25,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 08:10:25,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-02 08:10:25,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 08:10:25,671 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 08:10:27,197 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 08:10:36,176 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 08:10:39,274 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 08:10:39,294 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 08:10:39,295 INFO L280 CfgBuilder]: Removed 14 assue(true) statements. [2018-12-02 08:10:39,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:10:39 BoogieIcfgContainer [2018-12-02 08:10:39,295 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 08:10:39,296 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 08:10:39,296 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 08:10:39,297 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 08:10:39,298 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:10:24" (1/3) ... [2018-12-02 08:10:39,298 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50466f56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:10:39, skipping insertion in model container [2018-12-02 08:10:39,298 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:10:25" (2/3) ... [2018-12-02 08:10:39,299 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50466f56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:10:39, skipping insertion in model container [2018-12-02 08:10:39,299 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:10:39" (3/3) ... [2018-12-02 08:10:39,300 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0460_true-unreach-call.c [2018-12-02 08:10:39,305 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 08:10:39,310 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 08:10:39,318 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 08:10:39,335 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 08:10:39,335 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 08:10:39,335 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 08:10:39,335 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 08:10:39,335 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 08:10:39,336 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 08:10:39,336 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 08:10:39,336 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 08:10:39,336 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 08:10:39,345 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states. [2018-12-02 08:10:39,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-02 08:10:39,349 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:10:39,350 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 08:10:39,351 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:10:39,354 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:10:39,354 INFO L82 PathProgramCache]: Analyzing trace with hash -1535420979, now seen corresponding path program 1 times [2018-12-02 08:10:39,357 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 08:10:39,357 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3f711bba-37a2-4a98-980e-742ad8ad3ebc/bin-2019/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-12-02 08:10:39,361 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:10:39,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:10:39,991 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 08:10:40,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 08:10:40,005 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 08:10:40,023 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 08:10:40,023 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 08:10:40,025 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 08:10:40,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 08:10:40,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 08:10:40,035 INFO L87 Difference]: Start difference. First operand 84 states. Second operand 2 states. [2018-12-02 08:10:40,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:10:40,052 INFO L93 Difference]: Finished difference Result 159 states and 244 transitions. [2018-12-02 08:10:40,052 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 08:10:40,053 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 23 [2018-12-02 08:10:40,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:10:40,059 INFO L225 Difference]: With dead ends: 159 [2018-12-02 08:10:40,060 INFO L226 Difference]: Without dead ends: 79 [2018-12-02 08:10:40,062 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 08:10:40,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2018-12-02 08:10:40,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2018-12-02 08:10:40,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2018-12-02 08:10:40,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 105 transitions. [2018-12-02 08:10:40,089 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 105 transitions. Word has length 23 [2018-12-02 08:10:40,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:10:40,089 INFO L480 AbstractCegarLoop]: Abstraction has 79 states and 105 transitions. [2018-12-02 08:10:40,089 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 08:10:40,089 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 105 transitions. [2018-12-02 08:10:40,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-02 08:10:40,090 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:10:40,091 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 08:10:40,091 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:10:40,091 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:10:40,091 INFO L82 PathProgramCache]: Analyzing trace with hash -493240401, now seen corresponding path program 1 times [2018-12-02 08:10:40,092 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 08:10:40,092 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3f711bba-37a2-4a98-980e-742ad8ad3ebc/bin-2019/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-12-02 08:10:40,095 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:10:40,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:10:40,223 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 08:10:40,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 08:10:40,375 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 08:10:40,383 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 08:10:40,384 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 08:10:40,384 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 08:10:40,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 08:10:40,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-02 08:10:40,385 INFO L87 Difference]: Start difference. First operand 79 states and 105 transitions. Second operand 7 states. [2018-12-02 08:10:51,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:10:51,358 INFO L93 Difference]: Finished difference Result 91 states and 116 transitions. [2018-12-02 08:10:51,359 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 08:10:51,359 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 24 [2018-12-02 08:10:51,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:10:51,361 INFO L225 Difference]: With dead ends: 91 [2018-12-02 08:10:51,361 INFO L226 Difference]: Without dead ends: 76 [2018-12-02 08:10:51,361 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-12-02 08:10:51,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2018-12-02 08:10:51,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 74. [2018-12-02 08:10:51,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2018-12-02 08:10:51,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 97 transitions. [2018-12-02 08:10:51,366 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 97 transitions. Word has length 24 [2018-12-02 08:10:51,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:10:51,367 INFO L480 AbstractCegarLoop]: Abstraction has 74 states and 97 transitions. [2018-12-02 08:10:51,367 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 08:10:51,367 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 97 transitions. [2018-12-02 08:10:51,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-02 08:10:51,367 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:10:51,367 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 08:10:51,368 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:10:51,368 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:10:51,368 INFO L82 PathProgramCache]: Analyzing trace with hash -689753906, now seen corresponding path program 1 times [2018-12-02 08:10:51,368 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 08:10:51,368 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3f711bba-37a2-4a98-980e-742ad8ad3ebc/bin-2019/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-12-02 08:10:51,371 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:10:55,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:10:55,346 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 08:10:55,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 08:10:55,484 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 08:10:55,540 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 08:10:55,540 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-02 08:10:55,540 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 08:10:55,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 08:10:55,540 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-12-02 08:10:55,541 INFO L87 Difference]: Start difference. First operand 74 states and 97 transitions. Second operand 8 states. [2018-12-02 08:11:05,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:11:05,773 INFO L93 Difference]: Finished difference Result 86 states and 108 transitions. [2018-12-02 08:11:05,775 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-02 08:11:05,775 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 24 [2018-12-02 08:11:05,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:11:05,776 INFO L225 Difference]: With dead ends: 86 [2018-12-02 08:11:05,776 INFO L226 Difference]: Without dead ends: 75 [2018-12-02 08:11:05,776 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2018-12-02 08:11:05,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2018-12-02 08:11:05,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 73. [2018-12-02 08:11:05,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2018-12-02 08:11:05,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 95 transitions. [2018-12-02 08:11:05,781 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 95 transitions. Word has length 24 [2018-12-02 08:11:05,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:11:05,781 INFO L480 AbstractCegarLoop]: Abstraction has 73 states and 95 transitions. [2018-12-02 08:11:05,781 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 08:11:05,781 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 95 transitions. [2018-12-02 08:11:05,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-02 08:11:05,781 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:11:05,782 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 08:11:05,782 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:11:05,782 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:11:05,782 INFO L82 PathProgramCache]: Analyzing trace with hash -1945670517, now seen corresponding path program 1 times [2018-12-02 08:11:05,782 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 08:11:05,782 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3f711bba-37a2-4a98-980e-742ad8ad3ebc/bin-2019/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-12-02 08:11:05,785 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:11:06,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:11:06,602 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 08:11:10,740 WARN L180 SmtUtils]: Spent 1.89 s on a formula simplification that was a NOOP. DAG size: 7 [2018-12-02 08:11:20,465 WARN L180 SmtUtils]: Spent 3.01 s on a formula simplification that was a NOOP. DAG size: 7 [2018-12-02 08:11:33,509 WARN L180 SmtUtils]: Spent 1.92 s on a formula simplification that was a NOOP. DAG size: 7 [2018-12-02 08:11:49,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 08:11:49,369 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 08:11:49,387 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 08:11:49,387 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 08:11:49,387 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 08:11:49,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 08:11:49,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=29, Unknown=2, NotChecked=0, Total=42 [2018-12-02 08:11:49,388 INFO L87 Difference]: Start difference. First operand 73 states and 95 transitions. Second operand 7 states. [2018-12-02 08:12:06,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:12:06,392 INFO L93 Difference]: Finished difference Result 80 states and 102 transitions. [2018-12-02 08:12:06,393 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 08:12:06,393 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 25 [2018-12-02 08:12:06,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:12:06,395 INFO L225 Difference]: With dead ends: 80 [2018-12-02 08:12:06,395 INFO L226 Difference]: Without dead ends: 73 [2018-12-02 08:12:06,395 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 40.0s TimeCoverageRelationStatistics Valid=11, Invalid=29, Unknown=2, NotChecked=0, Total=42 [2018-12-02 08:12:06,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2018-12-02 08:12:06,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2018-12-02 08:12:06,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2018-12-02 08:12:06,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 94 transitions. [2018-12-02 08:12:06,404 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 94 transitions. Word has length 25 [2018-12-02 08:12:06,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:12:06,404 INFO L480 AbstractCegarLoop]: Abstraction has 73 states and 94 transitions. [2018-12-02 08:12:06,404 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 08:12:06,405 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 94 transitions. [2018-12-02 08:12:06,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-02 08:12:06,405 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:12:06,406 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 08:12:06,406 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:12:06,406 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:12:06,406 INFO L82 PathProgramCache]: Analyzing trace with hash 1994306432, now seen corresponding path program 1 times [2018-12-02 08:12:06,407 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 08:12:06,407 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3f711bba-37a2-4a98-980e-742ad8ad3ebc/bin-2019/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-12-02 08:12:06,411 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:12:06,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:12:06,495 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 08:12:06,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 08:12:06,665 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 08:12:06,678 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 08:12:06,678 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-02 08:12:06,678 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 08:12:06,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 08:12:06,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-12-02 08:12:06,679 INFO L87 Difference]: Start difference. First operand 73 states and 94 transitions. Second operand 8 states. [2018-12-02 08:12:10,505 WARN L180 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 40 [2018-12-02 08:12:11,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:12:11,486 INFO L93 Difference]: Finished difference Result 83 states and 103 transitions. [2018-12-02 08:12:11,508 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 08:12:11,508 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 26 [2018-12-02 08:12:11,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:12:11,509 INFO L225 Difference]: With dead ends: 83 [2018-12-02 08:12:11,509 INFO L226 Difference]: Without dead ends: 69 [2018-12-02 08:12:11,510 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-12-02 08:12:11,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2018-12-02 08:12:11,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2018-12-02 08:12:11,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2018-12-02 08:12:11,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 88 transitions. [2018-12-02 08:12:11,514 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 88 transitions. Word has length 26 [2018-12-02 08:12:11,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:12:11,514 INFO L480 AbstractCegarLoop]: Abstraction has 69 states and 88 transitions. [2018-12-02 08:12:11,514 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 08:12:11,514 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 88 transitions. [2018-12-02 08:12:11,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-02 08:12:11,515 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:12:11,515 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 08:12:11,515 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:12:11,515 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:12:11,515 INFO L82 PathProgramCache]: Analyzing trace with hash 236108416, now seen corresponding path program 1 times [2018-12-02 08:12:11,515 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 08:12:11,516 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3f711bba-37a2-4a98-980e-742ad8ad3ebc/bin-2019/utaipan/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2018-12-02 08:12:11,519 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:12:15,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:12:15,818 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 08:12:15,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 08:12:15,966 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 08:12:16,027 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 08:12:16,027 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-02 08:12:16,027 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 08:12:16,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 08:12:16,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-12-02 08:12:16,027 INFO L87 Difference]: Start difference. First operand 69 states and 88 transitions. Second operand 8 states. [2018-12-02 08:12:19,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:12:19,628 INFO L93 Difference]: Finished difference Result 69 states and 88 transitions. [2018-12-02 08:12:19,629 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-02 08:12:19,629 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 32 [2018-12-02 08:12:19,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:12:19,630 INFO L225 Difference]: With dead ends: 69 [2018-12-02 08:12:19,630 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 08:12:19,631 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2018-12-02 08:12:19,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 08:12:19,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 08:12:19,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 08:12:19,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 08:12:19,631 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2018-12-02 08:12:19,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:12:19,632 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 08:12:19,632 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 08:12:19,632 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 08:12:19,632 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 08:12:19,637 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 08:12:25,882 WARN L180 SmtUtils]: Spent 6.19 s on a formula simplification that was a NOOP. DAG size: 15 [2018-12-02 08:12:26,044 WARN L180 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 28 [2018-12-02 08:12:26,128 INFO L451 ceAbstractionStarter]: At program point __ieee754_sqrtENTRY(lines 17 125) the Hoare annotation is: true [2018-12-02 08:12:26,129 INFO L448 ceAbstractionStarter]: For program point __ieee754_sqrtFINAL(lines 17 125) no Hoare annotation was computed. [2018-12-02 08:12:26,129 INFO L448 ceAbstractionStarter]: For program point L85(lines 85 86) no Hoare annotation was computed. [2018-12-02 08:12:26,129 INFO L448 ceAbstractionStarter]: For program point L118-1(lines 118 123) no Hoare annotation was computed. [2018-12-02 08:12:26,129 INFO L451 ceAbstractionStarter]: At program point L118-2(lines 118 123) the Hoare annotation is: true [2018-12-02 08:12:26,129 INFO L448 ceAbstractionStarter]: For program point L85-2(lines 85 86) no Hoare annotation was computed. [2018-12-02 08:12:26,129 INFO L448 ceAbstractionStarter]: For program point L118-3(lines 118 123) no Hoare annotation was computed. [2018-12-02 08:12:26,129 INFO L448 ceAbstractionStarter]: For program point L102(lines 102 110) no Hoare annotation was computed. [2018-12-02 08:12:26,129 INFO L448 ceAbstractionStarter]: For program point L69(lines 69 73) no Hoare annotation was computed. [2018-12-02 08:12:26,129 INFO L448 ceAbstractionStarter]: For program point L69-2(lines 69 73) no Hoare annotation was computed. [2018-12-02 08:12:26,129 INFO L448 ceAbstractionStarter]: For program point L37(lines 37 38) no Hoare annotation was computed. [2018-12-02 08:12:26,129 INFO L448 ceAbstractionStarter]: For program point L88(lines 88 89) no Hoare annotation was computed. [2018-12-02 08:12:26,129 INFO L448 ceAbstractionStarter]: For program point L88-2(lines 88 89) no Hoare annotation was computed. [2018-12-02 08:12:26,129 INFO L451 ceAbstractionStarter]: At program point L80-2(lines 80 96) the Hoare annotation is: true [2018-12-02 08:12:26,129 INFO L448 ceAbstractionStarter]: For program point L80-3(lines 17 125) no Hoare annotation was computed. [2018-12-02 08:12:26,130 INFO L448 ceAbstractionStarter]: For program point L105(lines 105 110) no Hoare annotation was computed. [2018-12-02 08:12:26,130 INFO L448 ceAbstractionStarter]: For program point L56(lines 56 59) no Hoare annotation was computed. [2018-12-02 08:12:26,130 INFO L448 ceAbstractionStarter]: For program point L23-1(lines 23 28) no Hoare annotation was computed. [2018-12-02 08:12:26,130 INFO L448 ceAbstractionStarter]: For program point L56-2(lines 56 59) no Hoare annotation was computed. [2018-12-02 08:12:26,130 INFO L451 ceAbstractionStarter]: At program point L23-2(lines 23 28) the Hoare annotation is: true [2018-12-02 08:12:26,130 INFO L448 ceAbstractionStarter]: For program point L23-3(lines 17 125) no Hoare annotation was computed. [2018-12-02 08:12:26,130 INFO L448 ceAbstractionStarter]: For program point L48-2(lines 48 49) no Hoare annotation was computed. [2018-12-02 08:12:26,130 INFO L451 ceAbstractionStarter]: At program point L48-3(lines 48 49) the Hoare annotation is: true [2018-12-02 08:12:26,130 INFO L448 ceAbstractionStarter]: For program point L48-4(lines 48 49) no Hoare annotation was computed. [2018-12-02 08:12:26,130 INFO L448 ceAbstractionStarter]: For program point L106(lines 106 107) no Hoare annotation was computed. [2018-12-02 08:12:26,130 INFO L448 ceAbstractionStarter]: For program point L106-2(lines 106 107) no Hoare annotation was computed. [2018-12-02 08:12:26,130 INFO L448 ceAbstractionStarter]: For program point L98(lines 98 112) no Hoare annotation was computed. [2018-12-02 08:12:26,130 INFO L448 ceAbstractionStarter]: For program point __ieee754_sqrtEXIT(lines 17 125) no Hoare annotation was computed. [2018-12-02 08:12:26,130 INFO L448 ceAbstractionStarter]: For program point L115(lines 115 116) no Hoare annotation was computed. [2018-12-02 08:12:26,130 INFO L448 ceAbstractionStarter]: For program point L115-2(lines 115 116) no Hoare annotation was computed. [2018-12-02 08:12:26,130 INFO L448 ceAbstractionStarter]: For program point L83(lines 83 92) no Hoare annotation was computed. [2018-12-02 08:12:26,130 INFO L448 ceAbstractionStarter]: For program point L83-2(lines 83 92) no Hoare annotation was computed. [2018-12-02 08:12:26,131 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 53) no Hoare annotation was computed. [2018-12-02 08:12:26,131 INFO L448 ceAbstractionStarter]: For program point L42-2(lines 42 53) no Hoare annotation was computed. [2018-12-02 08:12:26,131 INFO L448 ceAbstractionStarter]: For program point L100(lines 100 111) no Hoare annotation was computed. [2018-12-02 08:12:26,131 INFO L448 ceAbstractionStarter]: For program point L34(lines 34 39) no Hoare annotation was computed. [2018-12-02 08:12:26,131 INFO L451 ceAbstractionStarter]: At program point L67-2(lines 67 77) the Hoare annotation is: true [2018-12-02 08:12:26,131 INFO L448 ceAbstractionStarter]: For program point L34-2(lines 34 39) no Hoare annotation was computed. [2018-12-02 08:12:26,131 INFO L448 ceAbstractionStarter]: For program point L67-3(lines 67 77) no Hoare annotation was computed. [2018-12-02 08:12:26,131 INFO L451 ceAbstractionStarter]: At program point L43-2(lines 43 47) the Hoare annotation is: true [2018-12-02 08:12:26,131 INFO L448 ceAbstractionStarter]: For program point L43-3(lines 43 47) no Hoare annotation was computed. [2018-12-02 08:12:26,131 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 38) no Hoare annotation was computed. [2018-12-02 08:12:26,131 INFO L451 ceAbstractionStarter]: At program point isnan_doubleENTRY(line 213) the Hoare annotation is: true [2018-12-02 08:12:26,131 INFO L448 ceAbstractionStarter]: For program point isnan_doubleEXIT(line 213) no Hoare annotation was computed. [2018-12-02 08:12:26,131 INFO L448 ceAbstractionStarter]: For program point isnan_doubleFINAL(line 213) no Hoare annotation was computed. [2018-12-02 08:12:26,131 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 08:12:26,131 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-02 08:12:26,131 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 08:12:26,132 INFO L444 ceAbstractionStarter]: At program point L192(line 192) 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)) [2018-12-02 08:12:26,132 INFO L448 ceAbstractionStarter]: For program point L159(lines 159 162) no Hoare annotation was computed. [2018-12-02 08:12:26,132 INFO L448 ceAbstractionStarter]: For program point L192-1(line 192) no Hoare annotation was computed. [2018-12-02 08:12:26,132 INFO L448 ceAbstractionStarter]: For program point L151(lines 151 165) no Hoare annotation was computed. [2018-12-02 08:12:26,132 INFO L448 ceAbstractionStarter]: For program point __ieee754_acosEXIT(lines 142 211) no Hoare annotation was computed. [2018-12-02 08:12:26,132 INFO L451 ceAbstractionStarter]: At program point __ieee754_acosENTRY(lines 142 211) the Hoare annotation is: true [2018-12-02 08:12:26,132 INFO L448 ceAbstractionStarter]: For program point __ieee754_acosFINAL(lines 142 211) no Hoare annotation was computed. [2018-12-02 08:12:26,133 INFO L448 ceAbstractionStarter]: For program point L194-1(lines 194 199) no Hoare annotation was computed. [2018-12-02 08:12:26,133 INFO L444 ceAbstractionStarter]: At program point L194-2(lines 194 199) 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)) [2018-12-02 08:12:26,133 INFO L448 ceAbstractionStarter]: For program point L194-3(lines 194 199) no Hoare annotation was computed. [2018-12-02 08:12:26,133 INFO L444 ceAbstractionStarter]: At program point L186(line 186) the Hoare annotation is: (exists ((v_prenex_13 (_ BitVec 64))) (let ((.cse0 (bvand (_ bv2147483647 32) ((_ extract 63 32) v_prenex_13)))) (and (= |__ieee754_acos_#in~x| (fp ((_ extract 63 63) v_prenex_13) ((_ extract 62 52) v_prenex_13) ((_ extract 51 0) v_prenex_13))) (not (bvslt .cse0 (_ bv1071644672 32))) (not (bvsge .cse0 (_ bv1072693248 32)))))) [2018-12-02 08:12:26,133 INFO L448 ceAbstractionStarter]: For program point L186-1(line 186) no Hoare annotation was computed. [2018-12-02 08:12:26,133 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 153 157) no Hoare annotation was computed. [2018-12-02 08:12:26,133 INFO L444 ceAbstractionStarter]: At program point L153-2(lines 153 157) the Hoare annotation is: (and (exists ((v_prenex_11 (_ BitVec 64))) (and (= (bvand (_ bv2147483647 32) ((_ extract 63 32) v_prenex_11)) __ieee754_acos_~ix~0) (= __ieee754_acos_~x (fp ((_ extract 63 63) v_prenex_11) ((_ extract 62 52) v_prenex_11) ((_ extract 51 0) v_prenex_11))))) (= |__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)))) [2018-12-02 08:12:26,133 INFO L448 ceAbstractionStarter]: For program point L153-3(lines 151 165) no Hoare annotation was computed. [2018-12-02 08:12:26,133 INFO L448 ceAbstractionStarter]: For program point L178(lines 178 210) no Hoare annotation was computed. [2018-12-02 08:12:26,133 INFO L448 ceAbstractionStarter]: For program point L145-1(lines 145 149) no Hoare annotation was computed. [2018-12-02 08:12:26,133 INFO L444 ceAbstractionStarter]: At program point L145-2(lines 145 149) the Hoare annotation is: (= |__ieee754_acos_#in~x| __ieee754_acos_~x) [2018-12-02 08:12:26,133 INFO L448 ceAbstractionStarter]: For program point L145-3(lines 145 149) no Hoare annotation was computed. [2018-12-02 08:12:26,134 INFO L448 ceAbstractionStarter]: For program point L166(lines 166 210) no Hoare annotation was computed. [2018-12-02 08:12:26,134 INFO L448 ceAbstractionStarter]: For program point L167(lines 167 168) no Hoare annotation was computed. [2018-12-02 08:12:26,134 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 08:12:26,134 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-02 08:12:26,134 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 08:12:26,134 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 08:12:26,134 INFO L444 ceAbstractionStarter]: At program point L225(line 225) the Hoare annotation is: (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven 1.0))) (or (fp.gt main_~x~0 .cse0) (fp.lt main_~x~0 (fp.neg .cse0)))) [2018-12-02 08:12:26,134 INFO L448 ceAbstractionStarter]: For program point L225-1(line 225) no Hoare annotation was computed. [2018-12-02 08:12:26,134 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 232) no Hoare annotation was computed. [2018-12-02 08:12:26,134 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 229) no Hoare annotation was computed. [2018-12-02 08:12:26,134 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 215 235) the Hoare annotation is: true [2018-12-02 08:12:26,134 INFO L448 ceAbstractionStarter]: For program point L223-2(lines 223 232) no Hoare annotation was computed. [2018-12-02 08:12:26,134 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 215 235) no Hoare annotation was computed. [2018-12-02 08:12:26,134 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 215 235) no Hoare annotation was computed. [2018-12-02 08:12:26,134 INFO L448 ceAbstractionStarter]: For program point L229(line 229) no Hoare annotation was computed. [2018-12-02 08:12:26,135 INFO L444 ceAbstractionStarter]: At program point L228(line 228) the Hoare annotation is: (and (exists ((__ieee754_acos_~x (_ FloatingPoint 11 53))) (= (let ((.cse0 (fp.sub roundNearestTiesToEven __ieee754_acos_~x __ieee754_acos_~x))) (fp.div roundNearestTiesToEven .cse0 .cse0)) main_~res~0)) (let ((.cse1 ((_ to_fp 11 53) roundNearestTiesToEven 1.0))) (or (fp.gt main_~x~0 .cse1) (fp.lt main_~x~0 (fp.neg .cse1))))) [2018-12-02 08:12:26,135 INFO L448 ceAbstractionStarter]: For program point L228-1(lines 228 231) no Hoare annotation was computed. [2018-12-02 08:12:26,139 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-02 08:12:26,139 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-02 08:12:26,140 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-02 08:12:26,140 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-02 08:12:26,140 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-02 08:12:26,140 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-02 08:12:26,140 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-02 08:12:26,140 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-02 08:12:26,144 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-02 08:12:26,144 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-02 08:12:26,144 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-02 08:12:26,144 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-02 08:12:26,144 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-02 08:12:26,144 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-02 08:12:26,144 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-02 08:12:26,144 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-02 08:12:26,146 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 08:12:26,146 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 08:12:26,146 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 08:12:26,147 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 08:12:26,147 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 08:12:26,147 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 08:12:26,147 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 08:12:26,147 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 08:12:26,148 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 08:12:26,148 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 08:12:26,148 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 08:12:26,148 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 08:12:26,149 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 08:12:26,149 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 08:12:26,149 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 08:12:26,149 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 08:12:26,150 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 08:12:26,150 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 08:12:26,150 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 08:12:26,150 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 08:12:26,150 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 08:12:26,151 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 08:12:26,151 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 08:12:26,151 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 08:12:26,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 08:12:26 BoogieIcfgContainer [2018-12-02 08:12:26,153 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 08:12:26,154 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 08:12:26,154 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 08:12:26,154 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 08:12:26,154 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:10:39" (3/4) ... [2018-12-02 08:12:26,157 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 08:12:26,162 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrt [2018-12-02 08:12:26,162 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_double [2018-12-02 08:12:26,162 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 08:12:26,162 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_acos [2018-12-02 08:12:26,162 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 08:12:26,166 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-12-02 08:12:26,167 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-12-02 08:12:26,167 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-02 08:12:26,167 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 08:12:26,184 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-12-02 08:12:26,184 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\exists v_prenex_11 : bv64 :: ~bvand32(2147483647bv32, v_prenex_11[63:32]) == ix && x == ~fp~LONGDOUBLE(v_prenex_11[63:63], v_prenex_11[62:52], v_prenex_11[51:0])) && \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) [2018-12-02 08:12:26,185 WARN L221 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 [2018-12-02 08:12:26,223 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_3f711bba-37a2-4a98-980e-742ad8ad3ebc/bin-2019/utaipan/witness.graphml [2018-12-02 08:12:26,223 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 08:12:26,224 INFO L168 Benchmark]: Toolchain (without parser) took 121306.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -180.1 MB). Peak memory consumption was 273.6 MB. Max. memory is 11.5 GB. [2018-12-02 08:12:26,225 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 08:12:26,225 INFO L168 Benchmark]: CACSL2BoogieTranslator took 205.20 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 921.9 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-12-02 08:12:26,225 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 921.9 MB in the beginning and 1.1 GB in the end (delta: -203.0 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2018-12-02 08:12:26,225 INFO L168 Benchmark]: Boogie Preprocessor took 30.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-12-02 08:12:26,225 INFO L168 Benchmark]: RCFGBuilder took 14092.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 43.8 MB). Peak memory consumption was 43.8 MB. Max. memory is 11.5 GB. [2018-12-02 08:12:26,226 INFO L168 Benchmark]: TraceAbstraction took 106857.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 816.4 MB in the end (delta: 258.2 MB). Peak memory consumption was 258.2 MB. Max. memory is 11.5 GB. [2018-12-02 08:12:26,226 INFO L168 Benchmark]: Witness Printer took 69.93 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: -1.6 MB). Free memory was 816.4 MB in the beginning and 1.1 GB in the end (delta: -307.1 MB). Peak memory consumption was 10.3 MB. Max. memory is 11.5 GB. [2018-12-02 08:12:26,227 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 205.20 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 921.9 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 47.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 921.9 MB in the beginning and 1.1 GB in the end (delta: -203.0 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 14092.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 43.8 MB). Peak memory consumption was 43.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 106857.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 816.4 MB in the end (delta: 258.2 MB). Peak memory consumption was 258.2 MB. Max. memory is 11.5 GB. * Witness Printer took 69.93 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: -1.6 MB). Free memory was 816.4 MB in the beginning and 1.1 GB in the end (delta: -307.1 MB). Peak memory consumption was 10.3 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_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,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_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,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_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] * 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: 23]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 153]: Loop Invariant [2018-12-02 08:12:26,230 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-02 08:12:26,230 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-02 08:12:26,231 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-02 08:12:26,231 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-02 08:12:26,231 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-02 08:12:26,231 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-02 08:12:26,231 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-02 08:12:26,231 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-02 08:12:26,232 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-02 08:12:26,232 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-02 08:12:26,232 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-02 08:12:26,232 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-02 08:12:26,232 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-02 08:12:26,232 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-02 08:12:26,232 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-02 08:12:26,233 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] Derived loop invariant: ((\exists v_prenex_11 : bv64 :: ~bvand32(2147483647bv32, v_prenex_11[63:32]) == ix && x == ~fp~LONGDOUBLE(v_prenex_11[63:63], v_prenex_11[62:52], v_prenex_11[51:0])) && \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) - InvariantResult [Line: 194]: Loop Invariant [2018-12-02 08:12:26,233 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 08:12:26,233 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 08:12:26,233 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 08:12:26,233 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 08:12:26,234 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 08:12:26,234 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 08:12:26,234 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 08:12:26,234 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 08:12:26,234 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 08:12:26,234 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 08:12:26,234 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 08:12:26,234 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 08:12:26,235 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 08:12:26,235 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 08:12:26,235 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 08:12:26,235 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 08:12:26,235 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 08:12:26,235 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 08:12:26,235 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 08:12:26,235 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 08:12:26,235 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 08:12:26,236 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 08:12:26,236 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 08:12:26,236 WARN L416 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: 48]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 43]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 80]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 145]: Loop Invariant Derived loop invariant: \old(x) == x - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 84 locations, 1 error locations. SAFE Result, 106.8s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 46.6s AutomataDifference, 0.0s DeadEndRemovalTime, 6.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 537 SDtfs, 157 SDslu, 1945 SDs, 0 SdLazy, 172 SolverSat, 5 SolverUnsat, 11 SolverUnknown, 0 SolverNotchecked, 39.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 162 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 41.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=84occurred 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, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 20 LocationsWithAnnotation, 46 PreInvPairs, 64 NumberOfFragments, 223 HoareAnnotationTreeSize, 46 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 20 FomulaSimplificationsInter, 64 FormulaSimplificationTreeSizeReductionInter, 6.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 9.0s SatisfiabilityAnalysisTime, 44.2s InterpolantComputationTime, 154 NumberOfCodeBlocks, 154 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 148 ConstructedInterpolants, 36 QuantifiedInterpolants, 24237 SizeOfPredicates, 20 NumberOfNonLiveVariables, 699 ConjunctsInSsa, 46 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...