./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1270d_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_de6a1245-c9e5-42cb-96d5-06a1cf2be927/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_de6a1245-c9e5-42cb-96d5-06a1cf2be927/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_de6a1245-c9e5-42cb-96d5-06a1cf2be927/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_de6a1245-c9e5-42cb-96d5-06a1cf2be927/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1270d_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_de6a1245-c9e5-42cb-96d5-06a1cf2be927/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_de6a1245-c9e5-42cb-96d5-06a1cf2be927/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 5fe31b16a9cb808afe0897c04a27b4a4516ff173 .............................................................................................................................................................................................................................................................................................................................................................. 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_de6a1245-c9e5-42cb-96d5-06a1cf2be927/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_de6a1245-c9e5-42cb-96d5-06a1cf2be927/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_de6a1245-c9e5-42cb-96d5-06a1cf2be927/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_de6a1245-c9e5-42cb-96d5-06a1cf2be927/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1270d_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_de6a1245-c9e5-42cb-96d5-06a1cf2be927/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_de6a1245-c9e5-42cb-96d5-06a1cf2be927/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 5fe31b16a9cb808afe0897c04a27b4a4516ff173 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 16:09:18,786 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 16:09:18,787 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 16:09:18,794 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 16:09:18,794 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 16:09:18,795 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 16:09:18,796 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 16:09:18,797 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 16:09:18,798 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 16:09:18,798 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 16:09:18,799 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 16:09:18,799 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 16:09:18,800 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 16:09:18,800 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 16:09:18,801 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 16:09:18,801 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 16:09:18,802 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 16:09:18,803 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 16:09:18,805 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 16:09:18,806 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 16:09:18,806 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 16:09:18,807 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 16:09:18,809 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 16:09:18,809 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 16:09:18,809 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 16:09:18,810 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 16:09:18,810 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 16:09:18,811 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 16:09:18,811 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 16:09:18,812 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 16:09:18,812 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 16:09:18,813 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 16:09:18,813 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 16:09:18,813 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 16:09:18,813 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 16:09:18,814 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 16:09:18,814 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_de6a1245-c9e5-42cb-96d5-06a1cf2be927/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 16:09:18,821 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 16:09:18,822 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 16:09:18,822 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 16:09:18,822 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 16:09:18,823 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 16:09:18,823 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 16:09:18,823 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 16:09:18,823 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 16:09:18,823 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 16:09:18,823 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 16:09:18,823 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 16:09:18,824 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 16:09:18,824 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 16:09:18,824 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 16:09:18,824 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 16:09:18,824 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 16:09:18,825 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 16:09:18,825 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 16:09:18,825 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 16:09:18,825 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 16:09:18,825 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 16:09:18,825 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 16:09:18,825 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 16:09:18,825 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 16:09:18,826 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 16:09:18,826 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 16:09:18,826 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 16:09:18,826 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 16:09:18,826 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 16:09:18,826 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 16:09:18,826 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 16:09:18,827 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 16:09:18,827 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 16:09:18,827 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 16:09:18,827 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 16:09:18,827 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 16:09:18,827 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 16:09:18,827 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_de6a1245-c9e5-42cb-96d5-06a1cf2be927/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 -> 5fe31b16a9cb808afe0897c04a27b4a4516ff173 [2018-11-18 16:09:18,851 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 16:09:18,859 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 16:09:18,861 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 16:09:18,862 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 16:09:18,862 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 16:09:18,862 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_de6a1245-c9e5-42cb-96d5-06a1cf2be927/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_1270d_true-unreach-call.c [2018-11-18 16:09:18,898 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_de6a1245-c9e5-42cb-96d5-06a1cf2be927/bin-2019/utaipan/data/8e95f109d/c3063d77cb424e86bf258f09f30d6fff/FLAG6329815c2 [2018-11-18 16:09:19,206 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 16:09:19,206 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_de6a1245-c9e5-42cb-96d5-06a1cf2be927/sv-benchmarks/c/float-newlib/float_req_bl_1270d_true-unreach-call.c [2018-11-18 16:09:19,212 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_de6a1245-c9e5-42cb-96d5-06a1cf2be927/bin-2019/utaipan/data/8e95f109d/c3063d77cb424e86bf258f09f30d6fff/FLAG6329815c2 [2018-11-18 16:09:19,221 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_de6a1245-c9e5-42cb-96d5-06a1cf2be927/bin-2019/utaipan/data/8e95f109d/c3063d77cb424e86bf258f09f30d6fff [2018-11-18 16:09:19,223 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 16:09:19,224 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 16:09:19,224 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 16:09:19,224 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 16:09:19,226 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 16:09:19,227 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:09:19" (1/1) ... [2018-11-18 16:09:19,228 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cffd6b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:09:19, skipping insertion in model container [2018-11-18 16:09:19,229 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:09:19" (1/1) ... [2018-11-18 16:09:19,236 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 16:09:19,253 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 16:09:19,379 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:09:19,381 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 16:09:19,409 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:09:19,427 INFO L195 MainTranslator]: Completed translation [2018-11-18 16:09:19,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:09:19 WrapperNode [2018-11-18 16:09:19,428 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 16:09:19,428 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 16:09:19,428 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 16:09:19,428 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 16:09:19,473 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:09:19" (1/1) ... [2018-11-18 16:09:19,483 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:09:19" (1/1) ... [2018-11-18 16:09:19,488 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 16:09:19,488 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 16:09:19,488 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 16:09:19,488 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 16:09:19,494 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:09:19" (1/1) ... [2018-11-18 16:09:19,494 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:09:19" (1/1) ... [2018-11-18 16:09:19,496 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:09:19" (1/1) ... [2018-11-18 16:09:19,497 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:09:19" (1/1) ... [2018-11-18 16:09:19,512 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:09:19" (1/1) ... [2018-11-18 16:09:19,519 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:09:19" (1/1) ... [2018-11-18 16:09:19,522 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:09:19" (1/1) ... [2018-11-18 16:09:19,525 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 16:09:19,525 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 16:09:19,525 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 16:09:19,525 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 16:09:19,526 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:09:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_de6a1245-c9e5-42cb-96d5-06a1cf2be927/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 16:09:19,567 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 16:09:19,567 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 16:09:19,567 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-18 16:09:19,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 16:09:19,567 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2018-11-18 16:09:19,567 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2018-11-18 16:09:19,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 16:09:19,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 16:09:19,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-18 16:09:19,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 16:09:19,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 16:09:19,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 16:09:19,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 16:09:19,568 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_hypotf [2018-11-18 16:09:19,568 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_hypotf [2018-11-18 16:09:19,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 16:09:19,568 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-11-18 16:09:19,569 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-11-18 16:09:19,969 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 16:09:19,970 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:09:19 BoogieIcfgContainer [2018-11-18 16:09:19,970 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 16:09:19,970 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 16:09:19,970 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 16:09:19,973 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 16:09:19,973 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 04:09:19" (1/3) ... [2018-11-18 16:09:19,973 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c548e47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 04:09:19, skipping insertion in model container [2018-11-18 16:09:19,973 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:09:19" (2/3) ... [2018-11-18 16:09:19,974 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c548e47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 04:09:19, skipping insertion in model container [2018-11-18 16:09:19,974 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:09:19" (3/3) ... [2018-11-18 16:09:19,975 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1270d_true-unreach-call.c [2018-11-18 16:09:19,981 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 16:09:19,986 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 16:09:19,995 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 16:09:20,017 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 16:09:20,017 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 16:09:20,018 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 16:09:20,018 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 16:09:20,018 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 16:09:20,018 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 16:09:20,018 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 16:09:20,018 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 16:09:20,031 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states. [2018-11-18 16:09:20,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-18 16:09:20,037 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:09:20,038 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:09:20,039 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:09:20,043 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:09:20,043 INFO L82 PathProgramCache]: Analyzing trace with hash 1904118098, now seen corresponding path program 1 times [2018-11-18 16:09:20,045 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:09:20,074 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:09:20,075 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:09:20,075 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:09:20,075 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:09:20,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:09:20,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:09:20,134 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:09:20,135 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 16:09:20,135 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:09:20,142 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 16:09:20,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 16:09:20,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 16:09:20,151 INFO L87 Difference]: Start difference. First operand 104 states. Second operand 2 states. [2018-11-18 16:09:20,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:09:20,175 INFO L93 Difference]: Finished difference Result 200 states and 317 transitions. [2018-11-18 16:09:20,176 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 16:09:20,177 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 28 [2018-11-18 16:09:20,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:09:20,184 INFO L225 Difference]: With dead ends: 200 [2018-11-18 16:09:20,184 INFO L226 Difference]: Without dead ends: 100 [2018-11-18 16:09:20,188 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 16:09:20,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2018-11-18 16:09:20,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2018-11-18 16:09:20,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-11-18 16:09:20,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 122 transitions. [2018-11-18 16:09:20,220 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 122 transitions. Word has length 28 [2018-11-18 16:09:20,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:09:20,220 INFO L480 AbstractCegarLoop]: Abstraction has 100 states and 122 transitions. [2018-11-18 16:09:20,220 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 16:09:20,220 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 122 transitions. [2018-11-18 16:09:20,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-18 16:09:20,221 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:09:20,222 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:09:20,222 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:09:20,222 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:09:20,222 INFO L82 PathProgramCache]: Analyzing trace with hash 2078513152, now seen corresponding path program 1 times [2018-11-18 16:09:20,222 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:09:20,223 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:09:20,223 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:09:20,223 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:09:20,224 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:09:20,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:09:20,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:09:20,317 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-18 16:09:20,340 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 04:09:20 BoogieIcfgContainer [2018-11-18 16:09:20,340 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 16:09:20,340 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 16:09:20,340 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 16:09:20,340 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 16:09:20,341 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:09:19" (3/4) ... [2018-11-18 16:09:20,343 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 16:09:20,343 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 16:09:20,344 INFO L168 Benchmark]: Toolchain (without parser) took 1120.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 959.2 MB in the beginning and 1.0 GB in the end (delta: -84.0 MB). Peak memory consumption was 41.8 MB. Max. memory is 11.5 GB. [2018-11-18 16:09:20,345 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:09:20,345 INFO L168 Benchmark]: CACSL2BoogieTranslator took 203.87 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 943.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-18 16:09:20,345 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 943.1 MB in the beginning and 1.1 GB in the end (delta: -180.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. [2018-11-18 16:09:20,346 INFO L168 Benchmark]: Boogie Preprocessor took 36.86 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 16:09:20,346 INFO L168 Benchmark]: RCFGBuilder took 444.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 41.2 MB). Peak memory consumption was 41.2 MB. Max. memory is 11.5 GB. [2018-11-18 16:09:20,347 INFO L168 Benchmark]: TraceAbstraction took 369.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 36.0 MB). Peak memory consumption was 36.0 MB. Max. memory is 11.5 GB. [2018-11-18 16:09:20,347 INFO L168 Benchmark]: Witness Printer took 3.22 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:09:20,349 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 203.87 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 943.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 59.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 943.1 MB in the beginning and 1.1 GB in the end (delta: -180.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 36.86 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 444.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 41.2 MB). Peak memory consumption was 41.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 369.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 36.0 MB). Peak memory consumption was 36.0 MB. Max. memory is 11.5 GB. * Witness Printer took 3.22 ms. Allocated memory is still 1.2 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: 234]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryArithmeticFLOAToperation at line 118, overapproximation of bitwiseAnd at line 218. Possible FailurePath: [L12] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; VAL [\old(one_sqrt)=10737418249, \old(tiny_sqrt)=10737418255, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L229] float x = __VERIFIER_nondet_float(); [L230] float y = -1.0f / 0.0f; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418247] [L231] CALL, EXPR __ieee754_hypotf(x, y) VAL [\old(x)=10737418247, \old(y)=10737418248, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L82] float a = x, b = y, t1, t2, y1, y2, w; [L83] __int32_t j, k, ha, hb; VAL [\old(x)=10737418247, \old(y)=10737418248, a=10737418247, b=10737418248, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418247, y=10737418248] [L86] FCALL ieee_float_shape_type gf_u; [L87] FCALL gf_u.value = (x) [L88] EXPR, FCALL gf_u.word [L88] (ha) = gf_u.word [L89] COND FALSE !(0) VAL [\old(x)=10737418247, \old(y)=10737418248, a=10737418247, b=10737418248, ha=-2147483648, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418247, y=10737418248] [L90] ha &= 0x7fffffffL VAL [\old(x)=10737418247, \old(y)=10737418248, a=10737418247, b=10737418248, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418247, y=10737418248] [L92] FCALL ieee_float_shape_type gf_u; [L93] FCALL gf_u.value = (y) [L94] EXPR, FCALL gf_u.word [L94] (hb) = gf_u.word [L95] COND FALSE !(0) VAL [\old(x)=10737418247, \old(y)=10737418248, a=10737418247, b=10737418248, hb=-2147483648, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418247, y=10737418248] [L96] hb &= 0x7fffffffL VAL [\old(x)=10737418247, \old(y)=10737418248, a=10737418247, b=10737418248, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418247, y=10737418248] [L97] COND TRUE hb > ha [L98] a = y [L99] b = x [L100] j = ha [L101] ha = hb [L102] hb = j VAL [\old(x)=10737418247, \old(y)=10737418248, a=10737418248, b=10737418247, ha=251658239, hb=-2, j=-2, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418247, y=10737418248] [L108] FCALL ieee_float_shape_type sf_u; [L109] FCALL sf_u.word = (ha) [L110] EXPR, FCALL sf_u.value [L110] (a) = sf_u.value [L111] COND FALSE !(0) VAL [\old(x)=10737418247, \old(y)=10737418248, a=10737418246, b=10737418247, ha=251658239, hb=-2, j=-2, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418247, y=10737418248] [L113] FCALL ieee_float_shape_type sf_u; [L114] FCALL sf_u.word = (hb) [L115] EXPR, FCALL sf_u.value [L115] (b) = sf_u.value [L116] COND FALSE !(0) VAL [\old(x)=10737418247, \old(y)=10737418248, a=10737418246, b=10737418259, ha=251658239, hb=-2, j=-2, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418247, y=10737418248] [L117] COND TRUE (ha - hb) > 0xf000000L [L118] RET return a + b; VAL [\old(x)=10737418247, \old(y)=10737418248, a=10737418246, b=10737418259, ha=251658239, hb=-2, j=-2, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418247, y=10737418248] [L231] EXPR __ieee754_hypotf(x, y) VAL [__ieee754_hypotf(x, y)=10737418243, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418247, y=10737418248] [L231] float res = __ieee754_hypotf(x, y); [L233] CALL, EXPR isinf_float(res) VAL [\old(x)=10737418243, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L212] __int32_t ix; VAL [\old(x)=10737418243, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418243] [L214] FCALL ieee_float_shape_type gf_u; [L215] FCALL gf_u.value = (x) [L216] EXPR, FCALL gf_u.word [L216] (ix) = gf_u.word [L217] COND FALSE !(0) VAL [\old(x)=10737418243, ix=2147483647, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418243] [L218] ix &= 0x7fffffff [L219] RET return ((ix) == 0x7f800000L); VAL [\old(x)=10737418243, \result=0, ix=0, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418243] [L233] EXPR isinf_float(res) VAL [isinf_float(res)=0, one_sqrt=1, res=10737418243, tiny_sqrt=1/1000000000000000000000000000000, x=10737418247, y=10737418248] [L233] COND TRUE !isinf_float(res) [L234] __VERIFIER_error() VAL [one_sqrt=1, res=10737418243, tiny_sqrt=1/1000000000000000000000000000000, x=10737418247, y=10737418248] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 104 locations, 1 error locations. UNSAFE Result, 0.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 126 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=104occurred 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, 61 NumberOfCodeBlocks, 61 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 27 ConstructedInterpolants, 0 QuantifiedInterpolants, 729 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-5842f4b [2018-11-18 16:09:21,747 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 16:09:21,748 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 16:09:21,757 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 16:09:21,757 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 16:09:21,758 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 16:09:21,758 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 16:09:21,759 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 16:09:21,761 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 16:09:21,761 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 16:09:21,762 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 16:09:21,762 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 16:09:21,763 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 16:09:21,763 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 16:09:21,764 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 16:09:21,765 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 16:09:21,766 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 16:09:21,767 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 16:09:21,768 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 16:09:21,769 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 16:09:21,770 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 16:09:21,771 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 16:09:21,772 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 16:09:21,772 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 16:09:21,772 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 16:09:21,773 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 16:09:21,774 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 16:09:21,774 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 16:09:21,775 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 16:09:21,775 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 16:09:21,775 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 16:09:21,776 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 16:09:21,776 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 16:09:21,777 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 16:09:21,777 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 16:09:21,778 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 16:09:21,778 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_de6a1245-c9e5-42cb-96d5-06a1cf2be927/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-18 16:09:21,788 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 16:09:21,788 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 16:09:21,789 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 16:09:21,789 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 16:09:21,789 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 16:09:21,790 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 16:09:21,790 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 16:09:21,790 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 16:09:21,790 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 16:09:21,790 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 16:09:21,791 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 16:09:21,791 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 16:09:21,791 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 16:09:21,791 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 16:09:21,791 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 16:09:21,791 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 16:09:21,791 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 16:09:21,791 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 16:09:21,792 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 16:09:21,792 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 16:09:21,792 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 16:09:21,792 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 16:09:21,793 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 16:09:21,794 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 16:09:21,794 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 16:09:21,794 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 16:09:21,794 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 16:09:21,794 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 16:09:21,794 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 16:09:21,794 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 16:09:21,794 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 16:09:21,795 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-18 16:09:21,795 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 16:09:21,795 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 16:09:21,795 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 16:09:21,795 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_de6a1245-c9e5-42cb-96d5-06a1cf2be927/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 -> 5fe31b16a9cb808afe0897c04a27b4a4516ff173 [2018-11-18 16:09:21,827 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 16:09:21,836 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 16:09:21,838 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 16:09:21,840 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 16:09:21,840 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 16:09:21,840 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_de6a1245-c9e5-42cb-96d5-06a1cf2be927/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_1270d_true-unreach-call.c [2018-11-18 16:09:21,883 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_de6a1245-c9e5-42cb-96d5-06a1cf2be927/bin-2019/utaipan/data/150a0dcf0/a8225d17d7f94b0fa9f96b996c80ddb0/FLAG60c58c26c [2018-11-18 16:09:22,218 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 16:09:22,219 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_de6a1245-c9e5-42cb-96d5-06a1cf2be927/sv-benchmarks/c/float-newlib/float_req_bl_1270d_true-unreach-call.c [2018-11-18 16:09:22,224 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_de6a1245-c9e5-42cb-96d5-06a1cf2be927/bin-2019/utaipan/data/150a0dcf0/a8225d17d7f94b0fa9f96b996c80ddb0/FLAG60c58c26c [2018-11-18 16:09:22,638 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_de6a1245-c9e5-42cb-96d5-06a1cf2be927/bin-2019/utaipan/data/150a0dcf0/a8225d17d7f94b0fa9f96b996c80ddb0 [2018-11-18 16:09:22,640 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 16:09:22,641 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 16:09:22,642 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 16:09:22,642 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 16:09:22,645 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 16:09:22,645 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:09:22" (1/1) ... [2018-11-18 16:09:22,647 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26edcba7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:09:22, skipping insertion in model container [2018-11-18 16:09:22,648 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:09:22" (1/1) ... [2018-11-18 16:09:22,654 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 16:09:22,675 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 16:09:22,826 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:09:22,830 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 16:09:22,872 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:09:22,892 INFO L195 MainTranslator]: Completed translation [2018-11-18 16:09:22,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:09:22 WrapperNode [2018-11-18 16:09:22,892 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 16:09:22,893 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 16:09:22,893 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 16:09:22,893 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 16:09:22,900 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:09:22" (1/1) ... [2018-11-18 16:09:22,911 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:09:22" (1/1) ... [2018-11-18 16:09:22,918 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 16:09:22,918 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 16:09:22,918 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 16:09:22,918 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 16:09:22,924 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:09:22" (1/1) ... [2018-11-18 16:09:22,924 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:09:22" (1/1) ... [2018-11-18 16:09:22,927 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:09:22" (1/1) ... [2018-11-18 16:09:22,927 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:09:22" (1/1) ... [2018-11-18 16:09:22,942 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:09:22" (1/1) ... [2018-11-18 16:09:22,996 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:09:22" (1/1) ... [2018-11-18 16:09:22,998 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:09:22" (1/1) ... [2018-11-18 16:09:23,003 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 16:09:23,003 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 16:09:23,003 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 16:09:23,003 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 16:09:23,004 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:09:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_de6a1245-c9e5-42cb-96d5-06a1cf2be927/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 16:09:23,038 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 16:09:23,038 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 16:09:23,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-11-18 16:09:23,039 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2018-11-18 16:09:23,039 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2018-11-18 16:09:23,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 16:09:23,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 16:09:23,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 16:09:23,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-18 16:09:23,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 16:09:23,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 16:09:23,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-11-18 16:09:23,040 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_hypotf [2018-11-18 16:09:23,040 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_hypotf [2018-11-18 16:09:23,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-18 16:09:23,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 16:09:23,040 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-11-18 16:09:23,040 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-11-18 16:09:23,295 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 16:09:23,429 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 16:09:24,241 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 16:09:24,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:09:24 BoogieIcfgContainer [2018-11-18 16:09:24,241 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 16:09:24,242 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 16:09:24,242 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 16:09:24,244 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 16:09:24,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 04:09:22" (1/3) ... [2018-11-18 16:09:24,245 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@527cad8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 04:09:24, skipping insertion in model container [2018-11-18 16:09:24,245 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:09:22" (2/3) ... [2018-11-18 16:09:24,245 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@527cad8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 04:09:24, skipping insertion in model container [2018-11-18 16:09:24,245 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:09:24" (3/3) ... [2018-11-18 16:09:24,246 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1270d_true-unreach-call.c [2018-11-18 16:09:24,252 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 16:09:24,257 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 16:09:24,270 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 16:09:24,288 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 16:09:24,289 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 16:09:24,289 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 16:09:24,289 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 16:09:24,289 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 16:09:24,289 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 16:09:24,289 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 16:09:24,289 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 16:09:24,289 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 16:09:24,299 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states. [2018-11-18 16:09:24,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-18 16:09:24,303 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:09:24,304 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:09:24,305 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:09:24,308 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:09:24,308 INFO L82 PathProgramCache]: Analyzing trace with hash 992188458, now seen corresponding path program 1 times [2018-11-18 16:09:24,312 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 16:09:24,312 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_de6a1245-c9e5-42cb-96d5-06a1cf2be927/bin-2019/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-11-18 16:09:24,317 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:09:24,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:09:24,381 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 16:09:24,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:09:24,392 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 16:09:24,401 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:09:24,401 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 16:09:24,403 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 16:09:24,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 16:09:24,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 16:09:24,412 INFO L87 Difference]: Start difference. First operand 103 states. Second operand 2 states. [2018-11-18 16:09:24,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:09:24,435 INFO L93 Difference]: Finished difference Result 198 states and 315 transitions. [2018-11-18 16:09:24,435 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 16:09:24,436 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 27 [2018-11-18 16:09:24,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:09:24,443 INFO L225 Difference]: With dead ends: 198 [2018-11-18 16:09:24,443 INFO L226 Difference]: Without dead ends: 99 [2018-11-18 16:09:24,446 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 16:09:24,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2018-11-18 16:09:24,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2018-11-18 16:09:24,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2018-11-18 16:09:24,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 121 transitions. [2018-11-18 16:09:24,478 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 121 transitions. Word has length 27 [2018-11-18 16:09:24,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:09:24,478 INFO L480 AbstractCegarLoop]: Abstraction has 99 states and 121 transitions. [2018-11-18 16:09:24,478 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 16:09:24,478 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 121 transitions. [2018-11-18 16:09:24,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-18 16:09:24,479 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:09:24,480 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:09:24,480 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:09:24,480 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:09:24,480 INFO L82 PathProgramCache]: Analyzing trace with hash 695116984, now seen corresponding path program 1 times [2018-11-18 16:09:24,481 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 16:09:24,481 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_de6a1245-c9e5-42cb-96d5-06a1cf2be927/bin-2019/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-11-18 16:09:24,486 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:09:24,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:09:24,566 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 16:09:24,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:09:24,880 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 16:09:24,887 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:09:24,887 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-18 16:09:24,888 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 16:09:24,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 16:09:24,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-11-18 16:09:24,889 INFO L87 Difference]: Start difference. First operand 99 states and 121 transitions. Second operand 9 states. [2018-11-18 16:09:51,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:09:51,336 INFO L93 Difference]: Finished difference Result 200 states and 244 transitions. [2018-11-18 16:09:51,376 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-18 16:09:51,376 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 32 [2018-11-18 16:09:51,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:09:51,379 INFO L225 Difference]: With dead ends: 200 [2018-11-18 16:09:51,379 INFO L226 Difference]: Without dead ends: 138 [2018-11-18 16:09:51,380 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2018-11-18 16:09:51,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2018-11-18 16:09:51,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 105. [2018-11-18 16:09:51,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2018-11-18 16:09:51,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 127 transitions. [2018-11-18 16:09:51,390 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 127 transitions. Word has length 32 [2018-11-18 16:09:51,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:09:51,391 INFO L480 AbstractCegarLoop]: Abstraction has 105 states and 127 transitions. [2018-11-18 16:09:51,391 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 16:09:51,391 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 127 transitions. [2018-11-18 16:09:51,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-18 16:09:51,391 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:09:51,392 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:09:51,392 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:09:51,392 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:09:51,392 INFO L82 PathProgramCache]: Analyzing trace with hash -1605705606, now seen corresponding path program 1 times [2018-11-18 16:09:51,393 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 16:09:51,393 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_de6a1245-c9e5-42cb-96d5-06a1cf2be927/bin-2019/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-11-18 16:09:51,395 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:09:51,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:09:51,464 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 16:09:53,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:09:53,922 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 16:09:53,930 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:09:53,930 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2018-11-18 16:09:53,931 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-11-18 16:09:53,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-11-18 16:09:53,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=237, Unknown=0, NotChecked=0, Total=272 [2018-11-18 16:09:53,931 INFO L87 Difference]: Start difference. First operand 105 states and 127 transitions. Second operand 17 states. [2018-11-18 16:09:58,277 WARN L180 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2018-11-18 16:10:39,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:10:39,829 INFO L93 Difference]: Finished difference Result 164 states and 200 transitions. [2018-11-18 16:10:39,869 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-18 16:10:39,870 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 32 [2018-11-18 16:10:39,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:10:39,871 INFO L225 Difference]: With dead ends: 164 [2018-11-18 16:10:39,871 INFO L226 Difference]: Without dead ends: 157 [2018-11-18 16:10:39,872 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=99, Invalid=657, Unknown=0, NotChecked=0, Total=756 [2018-11-18 16:10:39,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2018-11-18 16:10:39,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 105. [2018-11-18 16:10:39,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2018-11-18 16:10:39,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 126 transitions. [2018-11-18 16:10:39,885 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 126 transitions. Word has length 32 [2018-11-18 16:10:39,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:10:39,886 INFO L480 AbstractCegarLoop]: Abstraction has 105 states and 126 transitions. [2018-11-18 16:10:39,886 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-11-18 16:10:39,886 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 126 transitions. [2018-11-18 16:10:39,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-18 16:10:39,887 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:10:39,887 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:10:39,887 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:10:39,887 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:10:39,887 INFO L82 PathProgramCache]: Analyzing trace with hash 575000717, now seen corresponding path program 1 times [2018-11-18 16:10:39,888 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 16:10:39,888 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_de6a1245-c9e5-42cb-96d5-06a1cf2be927/bin-2019/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-11-18 16:10:39,891 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:10:39,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:10:39,938 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 16:10:40,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:10:40,027 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 16:10:40,034 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:10:40,034 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-18 16:10:40,035 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 16:10:40,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 16:10:40,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 16:10:40,035 INFO L87 Difference]: Start difference. First operand 105 states and 126 transitions. Second operand 8 states. [2018-11-18 16:10:53,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:10:53,758 INFO L93 Difference]: Finished difference Result 176 states and 210 transitions. [2018-11-18 16:10:53,808 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 16:10:53,808 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 35 [2018-11-18 16:10:53,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:10:53,809 INFO L225 Difference]: With dead ends: 176 [2018-11-18 16:10:53,809 INFO L226 Difference]: Without dead ends: 113 [2018-11-18 16:10:53,810 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2018-11-18 16:10:53,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2018-11-18 16:10:53,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 99. [2018-11-18 16:10:53,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2018-11-18 16:10:53,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 119 transitions. [2018-11-18 16:10:53,822 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 119 transitions. Word has length 35 [2018-11-18 16:10:53,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:10:53,822 INFO L480 AbstractCegarLoop]: Abstraction has 99 states and 119 transitions. [2018-11-18 16:10:53,822 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 16:10:53,822 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 119 transitions. [2018-11-18 16:10:53,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-18 16:10:53,823 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:10:53,823 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:10:53,824 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:10:53,824 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:10:53,824 INFO L82 PathProgramCache]: Analyzing trace with hash 465048743, now seen corresponding path program 1 times [2018-11-18 16:10:53,825 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 16:10:53,826 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_de6a1245-c9e5-42cb-96d5-06a1cf2be927/bin-2019/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-11-18 16:10:53,830 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:10:53,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:10:53,902 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 16:10:54,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:10:54,227 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 16:10:54,235 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:10:54,235 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2018-11-18 16:10:54,236 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-18 16:10:54,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-18 16:10:54,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2018-11-18 16:10:54,236 INFO L87 Difference]: Start difference. First operand 99 states and 119 transitions. Second operand 15 states. [2018-11-18 16:11:11,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:11:11,154 INFO L93 Difference]: Finished difference Result 122 states and 145 transitions. [2018-11-18 16:11:11,154 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-18 16:11:11,155 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 37 [2018-11-18 16:11:11,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:11:11,156 INFO L225 Difference]: With dead ends: 122 [2018-11-18 16:11:11,156 INFO L226 Difference]: Without dead ends: 114 [2018-11-18 16:11:11,156 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=88, Invalid=562, Unknown=0, NotChecked=0, Total=650 [2018-11-18 16:11:11,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2018-11-18 16:11:11,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 108. [2018-11-18 16:11:11,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2018-11-18 16:11:11,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 130 transitions. [2018-11-18 16:11:11,167 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 130 transitions. Word has length 37 [2018-11-18 16:11:11,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:11:11,168 INFO L480 AbstractCegarLoop]: Abstraction has 108 states and 130 transitions. [2018-11-18 16:11:11,168 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-18 16:11:11,168 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 130 transitions. [2018-11-18 16:11:11,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-18 16:11:11,169 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:11:11,169 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:11:11,169 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:11:11,169 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:11:11,170 INFO L82 PathProgramCache]: Analyzing trace with hash -546068507, now seen corresponding path program 1 times [2018-11-18 16:11:11,170 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 16:11:11,170 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_de6a1245-c9e5-42cb-96d5-06a1cf2be927/bin-2019/utaipan/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2018-11-18 16:11:11,174 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:11:11,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:11:11,243 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 16:11:11,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:11:11,312 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 16:11:11,320 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:11:11,321 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 16:11:11,321 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 16:11:11,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 16:11:11,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 16:11:11,321 INFO L87 Difference]: Start difference. First operand 108 states and 130 transitions. Second operand 7 states. [2018-11-18 16:11:22,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:11:22,142 INFO L93 Difference]: Finished difference Result 122 states and 143 transitions. [2018-11-18 16:11:22,189 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 16:11:22,189 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 37 [2018-11-18 16:11:22,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:11:22,189 INFO L225 Difference]: With dead ends: 122 [2018-11-18 16:11:22,190 INFO L226 Difference]: Without dead ends: 106 [2018-11-18 16:11:22,190 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-11-18 16:11:22,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2018-11-18 16:11:22,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2018-11-18 16:11:22,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2018-11-18 16:11:22,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 126 transitions. [2018-11-18 16:11:22,199 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 126 transitions. Word has length 37 [2018-11-18 16:11:22,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:11:22,199 INFO L480 AbstractCegarLoop]: Abstraction has 106 states and 126 transitions. [2018-11-18 16:11:22,199 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 16:11:22,199 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 126 transitions. [2018-11-18 16:11:22,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-18 16:11:22,200 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:11:22,200 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:11:22,201 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:11:22,201 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:11:22,201 INFO L82 PathProgramCache]: Analyzing trace with hash -2024480219, now seen corresponding path program 1 times [2018-11-18 16:11:22,201 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 16:11:22,201 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_de6a1245-c9e5-42cb-96d5-06a1cf2be927/bin-2019/utaipan/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2018-11-18 16:11:22,209 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:11:22,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:11:22,278 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 16:11:22,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:11:22,426 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 16:11:22,438 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:11:22,439 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-18 16:11:22,439 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 16:11:22,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 16:11:22,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2018-11-18 16:11:22,439 INFO L87 Difference]: Start difference. First operand 106 states and 126 transitions. Second operand 9 states. [2018-11-18 16:11:37,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:11:37,662 INFO L93 Difference]: Finished difference Result 122 states and 141 transitions. [2018-11-18 16:11:37,713 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 16:11:37,713 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 37 [2018-11-18 16:11:37,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:11:37,714 INFO L225 Difference]: With dead ends: 122 [2018-11-18 16:11:37,714 INFO L226 Difference]: Without dead ends: 108 [2018-11-18 16:11:37,715 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2018-11-18 16:11:37,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2018-11-18 16:11:37,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 106. [2018-11-18 16:11:37,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2018-11-18 16:11:37,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 125 transitions. [2018-11-18 16:11:37,725 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 125 transitions. Word has length 37 [2018-11-18 16:11:37,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:11:37,726 INFO L480 AbstractCegarLoop]: Abstraction has 106 states and 125 transitions. [2018-11-18 16:11:37,726 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 16:11:37,726 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 125 transitions. [2018-11-18 16:11:37,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-18 16:11:37,727 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:11:37,727 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:11:37,727 INFO L423 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:11:37,727 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:11:37,727 INFO L82 PathProgramCache]: Analyzing trace with hash 1259369827, now seen corresponding path program 1 times [2018-11-18 16:11:37,728 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 16:11:37,728 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_de6a1245-c9e5-42cb-96d5-06a1cf2be927/bin-2019/utaipan/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2018-11-18 16:11:37,731 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:11:37,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:11:37,800 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 16:11:38,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:11:38,180 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 16:11:38,187 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:11:38,187 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2018-11-18 16:11:38,188 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-18 16:11:38,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-18 16:11:38,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2018-11-18 16:11:38,188 INFO L87 Difference]: Start difference. First operand 106 states and 125 transitions. Second operand 16 states. [2018-11-18 16:11:57,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:11:57,110 INFO L93 Difference]: Finished difference Result 118 states and 137 transitions. [2018-11-18 16:11:57,110 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-18 16:11:57,110 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 37 [2018-11-18 16:11:57,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:11:57,111 INFO L225 Difference]: With dead ends: 118 [2018-11-18 16:11:57,111 INFO L226 Difference]: Without dead ends: 109 [2018-11-18 16:11:57,111 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=94, Invalid=662, Unknown=0, NotChecked=0, Total=756 [2018-11-18 16:11:57,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2018-11-18 16:11:57,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 106. [2018-11-18 16:11:57,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2018-11-18 16:11:57,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 124 transitions. [2018-11-18 16:11:57,121 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 124 transitions. Word has length 37 [2018-11-18 16:11:57,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:11:57,121 INFO L480 AbstractCegarLoop]: Abstraction has 106 states and 124 transitions. [2018-11-18 16:11:57,121 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-18 16:11:57,121 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 124 transitions. [2018-11-18 16:11:57,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-18 16:11:57,122 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:11:57,122 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:11:57,122 INFO L423 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:11:57,123 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:11:57,123 INFO L82 PathProgramCache]: Analyzing trace with hash -20493851, now seen corresponding path program 1 times [2018-11-18 16:11:57,123 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 16:11:57,123 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_de6a1245-c9e5-42cb-96d5-06a1cf2be927/bin-2019/utaipan/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2018-11-18 16:11:57,126 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:11:57,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:11:57,191 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 16:11:57,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:11:57,268 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 16:11:57,275 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:11:57,275 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-18 16:11:57,276 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 16:11:57,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 16:11:57,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 16:11:57,276 INFO L87 Difference]: Start difference. First operand 106 states and 124 transitions. Second operand 8 states. [2018-11-18 16:12:12,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:12:12,280 INFO L93 Difference]: Finished difference Result 154 states and 178 transitions. [2018-11-18 16:12:12,331 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 16:12:12,331 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 37 [2018-11-18 16:12:12,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:12:12,332 INFO L225 Difference]: With dead ends: 154 [2018-11-18 16:12:12,332 INFO L226 Difference]: Without dead ends: 96 [2018-11-18 16:12:12,333 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2018-11-18 16:12:12,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2018-11-18 16:12:12,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2018-11-18 16:12:12,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2018-11-18 16:12:12,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 112 transitions. [2018-11-18 16:12:12,338 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 112 transitions. Word has length 37 [2018-11-18 16:12:12,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:12:12,338 INFO L480 AbstractCegarLoop]: Abstraction has 96 states and 112 transitions. [2018-11-18 16:12:12,339 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 16:12:12,339 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 112 transitions. [2018-11-18 16:12:12,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-18 16:12:12,339 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:12:12,339 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:12:12,339 INFO L423 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:12:12,339 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:12:12,339 INFO L82 PathProgramCache]: Analyzing trace with hash -334731819, now seen corresponding path program 1 times [2018-11-18 16:12:12,340 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 16:12:12,340 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_de6a1245-c9e5-42cb-96d5-06a1cf2be927/bin-2019/utaipan/mathsat Starting monitored process 11 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with mathsat -unsat_core_generation=3 [2018-11-18 16:12:12,342 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:12:12,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:12:12,394 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 16:12:12,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:12:12,640 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 16:12:12,648 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:12:12,648 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-18 16:12:12,648 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 16:12:12,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 16:12:12,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2018-11-18 16:12:12,648 INFO L87 Difference]: Start difference. First operand 96 states and 112 transitions. Second operand 9 states. [2018-11-18 16:12:26,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:12:26,002 INFO L93 Difference]: Finished difference Result 102 states and 119 transitions. [2018-11-18 16:12:26,047 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-18 16:12:26,048 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 40 [2018-11-18 16:12:26,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:12:26,048 INFO L225 Difference]: With dead ends: 102 [2018-11-18 16:12:26,048 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 16:12:26,048 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2018-11-18 16:12:26,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 16:12:26,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 16:12:26,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 16:12:26,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 16:12:26,049 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 40 [2018-11-18 16:12:26,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:12:26,049 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 16:12:26,049 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 16:12:26,049 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 16:12:26,049 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 16:12:26,052 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 16:12:26,636 INFO L425 ceAbstractionStarter]: For program point L213-1(lines 213 217) no Hoare annotation was computed. [2018-11-18 16:12:26,636 INFO L421 ceAbstractionStarter]: At program point L213-3(lines 213 217) the Hoare annotation is: (= |isinf_float_#in~x| isinf_float_~x) [2018-11-18 16:12:26,636 INFO L425 ceAbstractionStarter]: For program point L213-4(lines 213 217) no Hoare annotation was computed. [2018-11-18 16:12:26,636 INFO L428 ceAbstractionStarter]: At program point isinf_floatENTRY(lines 211 220) the Hoare annotation is: true [2018-11-18 16:12:26,636 INFO L425 ceAbstractionStarter]: For program point isinf_floatEXIT(lines 211 220) no Hoare annotation was computed. [2018-11-18 16:12:26,636 INFO L425 ceAbstractionStarter]: For program point isinf_floatFINAL(lines 211 220) no Hoare annotation was computed. [2018-11-18 16:12:26,636 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 16:12:26,636 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-18 16:12:26,636 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 16:12:26,636 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 16:12:26,636 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-18 16:12:26,636 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 16:12:26,636 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 16:12:26,636 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 222 238) the Hoare annotation is: true [2018-11-18 16:12:26,636 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 222 238) no Hoare annotation was computed. [2018-11-18 16:12:26,636 INFO L425 ceAbstractionStarter]: For program point L234(line 234) no Hoare annotation was computed. [2018-11-18 16:12:26,637 INFO L421 ceAbstractionStarter]: At program point L233(line 233) the Hoare annotation is: (and (exists ((v___ieee754_hypotf_~hb~0_30 (_ BitVec 32))) (and (= (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) v___ieee754_hypotf_~hb~0_30) ((_ extract 30 23) v___ieee754_hypotf_~hb~0_30) ((_ extract 22 0) v___ieee754_hypotf_~hb~0_30))) (= main_~res~0 (let ((.cse0 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_30))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)))))) (= main_~y~0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24)))) [2018-11-18 16:12:26,637 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 222 238) no Hoare annotation was computed. [2018-11-18 16:12:26,637 INFO L425 ceAbstractionStarter]: For program point L233-1(lines 233 236) no Hoare annotation was computed. [2018-11-18 16:12:26,637 INFO L421 ceAbstractionStarter]: At program point L231(line 231) the Hoare annotation is: (= main_~y~0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24))) [2018-11-18 16:12:26,637 INFO L425 ceAbstractionStarter]: For program point L231-1(line 231) no Hoare annotation was computed. [2018-11-18 16:12:26,637 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 234) no Hoare annotation was computed. [2018-11-18 16:12:26,637 INFO L425 ceAbstractionStarter]: For program point L85-1(lines 85 89) no Hoare annotation was computed. [2018-11-18 16:12:26,637 INFO L421 ceAbstractionStarter]: At program point L85-3(lines 85 89) the Hoare annotation is: (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y) [2018-11-18 16:12:26,637 INFO L425 ceAbstractionStarter]: For program point L85-4(lines 85 89) no Hoare annotation was computed. [2018-11-18 16:12:26,637 INFO L425 ceAbstractionStarter]: For program point L185-1(lines 185 189) no Hoare annotation was computed. [2018-11-18 16:12:26,637 INFO L421 ceAbstractionStarter]: At program point L185-3(lines 185 189) the Hoare annotation is: (and (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y) (exists ((v___ieee754_hypotf_~hb~0_36 (_ BitVec 32))) (and (= |__ieee754_hypotf_#in~y| (fp ((_ extract 31 31) v___ieee754_hypotf_~hb~0_36) ((_ extract 30 23) v___ieee754_hypotf_~hb~0_36) ((_ extract 22 0) v___ieee754_hypotf_~hb~0_36))) (not (= (bvadd (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_36) (_ bv2155872256 32)) (_ bv0 32)))))) [2018-11-18 16:12:26,637 INFO L425 ceAbstractionStarter]: For program point L185-4(lines 185 189) no Hoare annotation was computed. [2018-11-18 16:12:26,637 INFO L425 ceAbstractionStarter]: For program point __ieee754_hypotfFINAL(lines 81 208) no Hoare annotation was computed. [2018-11-18 16:12:26,637 INFO L425 ceAbstractionStarter]: For program point __ieee754_hypotfEXIT(lines 81 208) no Hoare annotation was computed. [2018-11-18 16:12:26,637 INFO L425 ceAbstractionStarter]: For program point L121(lines 121 144) no Hoare annotation was computed. [2018-11-18 16:12:26,637 INFO L425 ceAbstractionStarter]: For program point L121-1(lines 81 208) no Hoare annotation was computed. [2018-11-18 16:12:26,637 INFO L425 ceAbstractionStarter]: For program point L122(lines 122 129) no Hoare annotation was computed. [2018-11-18 16:12:26,637 INFO L425 ceAbstractionStarter]: For program point L139(lines 139 143) no Hoare annotation was computed. [2018-11-18 16:12:26,637 INFO L425 ceAbstractionStarter]: For program point L139-2(lines 121 144) no Hoare annotation was computed. [2018-11-18 16:12:26,638 INFO L425 ceAbstractionStarter]: For program point L107(lines 107 111) no Hoare annotation was computed. [2018-11-18 16:12:26,638 INFO L425 ceAbstractionStarter]: For program point L107-2(lines 81 208) no Hoare annotation was computed. [2018-11-18 16:12:26,638 INFO L425 ceAbstractionStarter]: For program point L124(lines 124 125) no Hoare annotation was computed. [2018-11-18 16:12:26,638 INFO L425 ceAbstractionStarter]: For program point L91-1(lines 91 95) no Hoare annotation was computed. [2018-11-18 16:12:26,638 INFO L425 ceAbstractionStarter]: For program point L124-2(lines 122 129) no Hoare annotation was computed. [2018-11-18 16:12:26,638 INFO L421 ceAbstractionStarter]: At program point L91-3(lines 91 95) the Hoare annotation is: (and (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y) (exists ((v___ieee754_hypotf_~ha~0_29 (_ BitVec 32))) (= __ieee754_hypotf_~ha~0 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_29)))) [2018-11-18 16:12:26,638 INFO L425 ceAbstractionStarter]: For program point L91-4(lines 91 95) no Hoare annotation was computed. [2018-11-18 16:12:26,638 INFO L425 ceAbstractionStarter]: For program point L191-1(lines 191 195) no Hoare annotation was computed. [2018-11-18 16:12:26,638 INFO L421 ceAbstractionStarter]: At program point L191-3(lines 191 195) the Hoare annotation is: (and (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y) (exists ((v___ieee754_hypotf_~hb~0_36 (_ BitVec 32))) (and (= |__ieee754_hypotf_#in~y| (fp ((_ extract 31 31) v___ieee754_hypotf_~hb~0_36) ((_ extract 30 23) v___ieee754_hypotf_~hb~0_36) ((_ extract 22 0) v___ieee754_hypotf_~hb~0_36))) (not (= (bvadd (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_36) (_ bv2155872256 32)) (_ bv0 32)))))) [2018-11-18 16:12:26,638 INFO L425 ceAbstractionStarter]: For program point L191-4(lines 191 195) no Hoare annotation was computed. [2018-11-18 16:12:26,638 INFO L425 ceAbstractionStarter]: For program point L175(lines 175 198) no Hoare annotation was computed. [2018-11-18 16:12:26,638 INFO L425 ceAbstractionStarter]: For program point L175-2(lines 81 208) no Hoare annotation was computed. [2018-11-18 16:12:26,638 INFO L425 ceAbstractionStarter]: For program point L126-1(lines 126 127) no Hoare annotation was computed. [2018-11-18 16:12:26,638 INFO L425 ceAbstractionStarter]: For program point L176-1(lines 176 180) no Hoare annotation was computed. [2018-11-18 16:12:26,638 INFO L421 ceAbstractionStarter]: At program point L176-3(lines 176 180) the Hoare annotation is: (and (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y) (exists ((v___ieee754_hypotf_~hb~0_36 (_ BitVec 32))) (and (= |__ieee754_hypotf_#in~y| (fp ((_ extract 31 31) v___ieee754_hypotf_~hb~0_36) ((_ extract 30 23) v___ieee754_hypotf_~hb~0_36) ((_ extract 22 0) v___ieee754_hypotf_~hb~0_36))) (not (= (bvadd (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_36) (_ bv2155872256 32)) (_ bv0 32)))))) [2018-11-18 16:12:26,638 INFO L425 ceAbstractionStarter]: For program point L176-4(lines 176 180) no Hoare annotation was computed. [2018-11-18 16:12:26,638 INFO L425 ceAbstractionStarter]: For program point L161-1(lines 161 165) no Hoare annotation was computed. [2018-11-18 16:12:26,638 INFO L421 ceAbstractionStarter]: At program point L161-3(lines 161 165) the Hoare annotation is: (and (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y) (exists ((v___ieee754_hypotf_~hb~0_36 (_ BitVec 32))) (and (= |__ieee754_hypotf_#in~y| (fp ((_ extract 31 31) v___ieee754_hypotf_~hb~0_36) ((_ extract 30 23) v___ieee754_hypotf_~hb~0_36) ((_ extract 22 0) v___ieee754_hypotf_~hb~0_36))) (not (= (bvadd (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_36) (_ bv2155872256 32)) (_ bv0 32)))))) [2018-11-18 16:12:26,638 INFO L425 ceAbstractionStarter]: For program point L145(lines 145 172) no Hoare annotation was computed. [2018-11-18 16:12:26,638 INFO L425 ceAbstractionStarter]: For program point L112(lines 112 116) no Hoare annotation was computed. [2018-11-18 16:12:26,638 INFO L425 ceAbstractionStarter]: For program point L112-2(lines 81 208) no Hoare annotation was computed. [2018-11-18 16:12:26,639 INFO L425 ceAbstractionStarter]: For program point L112-3(lines 81 208) no Hoare annotation was computed. [2018-11-18 16:12:26,639 INFO L428 ceAbstractionStarter]: At program point __ieee754_hypotfENTRY(lines 81 208) the Hoare annotation is: true [2018-11-18 16:12:26,639 INFO L425 ceAbstractionStarter]: For program point L146(lines 146 171) no Hoare annotation was computed. [2018-11-18 16:12:26,639 INFO L425 ceAbstractionStarter]: For program point L97(lines 97 106) no Hoare annotation was computed. [2018-11-18 16:12:26,639 INFO L421 ceAbstractionStarter]: At program point L197(line 197) the Hoare annotation is: (and (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y) (exists ((v___ieee754_hypotf_~hb~0_36 (_ BitVec 32))) (and (= |__ieee754_hypotf_#in~y| (fp ((_ extract 31 31) v___ieee754_hypotf_~hb~0_36) ((_ extract 30 23) v___ieee754_hypotf_~hb~0_36) ((_ extract 22 0) v___ieee754_hypotf_~hb~0_36))) (not (= (bvadd (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_36) (_ bv2155872256 32)) (_ bv0 32)))))) [2018-11-18 16:12:26,639 INFO L425 ceAbstractionStarter]: For program point L197-1(line 197) no Hoare annotation was computed. [2018-11-18 16:12:26,639 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 171) no Hoare annotation was computed. [2018-11-18 16:12:26,639 INFO L421 ceAbstractionStarter]: At program point L182(line 182) the Hoare annotation is: (and (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y) (exists ((v___ieee754_hypotf_~hb~0_36 (_ BitVec 32))) (and (= |__ieee754_hypotf_#in~y| (fp ((_ extract 31 31) v___ieee754_hypotf_~hb~0_36) ((_ extract 30 23) v___ieee754_hypotf_~hb~0_36) ((_ extract 22 0) v___ieee754_hypotf_~hb~0_36))) (not (= (bvadd (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_36) (_ bv2155872256 32)) (_ bv0 32)))))) [2018-11-18 16:12:26,639 INFO L425 ceAbstractionStarter]: For program point L182-1(line 182) no Hoare annotation was computed. [2018-11-18 16:12:26,639 INFO L425 ceAbstractionStarter]: For program point L149-1(lines 149 153) no Hoare annotation was computed. [2018-11-18 16:12:26,639 INFO L421 ceAbstractionStarter]: At program point L149-3(lines 149 153) the Hoare annotation is: (and (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y) (exists ((v___ieee754_hypotf_~hb~0_36 (_ BitVec 32))) (and (= |__ieee754_hypotf_#in~y| (fp ((_ extract 31 31) v___ieee754_hypotf_~hb~0_36) ((_ extract 30 23) v___ieee754_hypotf_~hb~0_36) ((_ extract 22 0) v___ieee754_hypotf_~hb~0_36))) (not (= (bvadd (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_36) (_ bv2155872256 32)) (_ bv0 32)))))) [2018-11-18 16:12:26,639 INFO L425 ceAbstractionStarter]: For program point L149-4(lines 149 153) no Hoare annotation was computed. [2018-11-18 16:12:26,639 INFO L425 ceAbstractionStarter]: For program point L166(lines 166 170) no Hoare annotation was computed. [2018-11-18 16:12:26,639 INFO L425 ceAbstractionStarter]: For program point L166-2(lines 157 171) no Hoare annotation was computed. [2018-11-18 16:12:26,639 INFO L425 ceAbstractionStarter]: For program point L200-1(lines 200 204) no Hoare annotation was computed. [2018-11-18 16:12:26,639 INFO L425 ceAbstractionStarter]: For program point L134-1(lines 134 138) no Hoare annotation was computed. [2018-11-18 16:12:26,639 INFO L421 ceAbstractionStarter]: At program point L200-3(lines 200 204) the Hoare annotation is: (and (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y) (exists ((v___ieee754_hypotf_~hb~0_36 (_ BitVec 32))) (and (= |__ieee754_hypotf_#in~y| (fp ((_ extract 31 31) v___ieee754_hypotf_~hb~0_36) ((_ extract 30 23) v___ieee754_hypotf_~hb~0_36) ((_ extract 22 0) v___ieee754_hypotf_~hb~0_36))) (not (= (bvadd (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_36) (_ bv2155872256 32)) (_ bv0 32)))))) [2018-11-18 16:12:26,639 INFO L425 ceAbstractionStarter]: For program point L200-4(lines 200 204) no Hoare annotation was computed. [2018-11-18 16:12:26,639 INFO L421 ceAbstractionStarter]: At program point L134-3(lines 134 138) the Hoare annotation is: (and (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y) (exists ((v___ieee754_hypotf_~hb~0_36 (_ BitVec 32))) (and (= |__ieee754_hypotf_#in~y| (fp ((_ extract 31 31) v___ieee754_hypotf_~hb~0_36) ((_ extract 30 23) v___ieee754_hypotf_~hb~0_36) ((_ extract 22 0) v___ieee754_hypotf_~hb~0_36))) (not (= (bvadd (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_36) (_ bv2155872256 32)) (_ bv0 32)))))) [2018-11-18 16:12:26,639 INFO L425 ceAbstractionStarter]: For program point L35-2(lines 35 39) no Hoare annotation was computed. [2018-11-18 16:12:26,640 INFO L425 ceAbstractionStarter]: For program point L31(lines 31 32) no Hoare annotation was computed. [2018-11-18 16:12:26,640 INFO L425 ceAbstractionStarter]: For program point L52(lines 52 56) no Hoare annotation was computed. [2018-11-18 16:12:26,640 INFO L425 ceAbstractionStarter]: For program point L19-1(lines 19 23) no Hoare annotation was computed. [2018-11-18 16:12:26,640 INFO L425 ceAbstractionStarter]: For program point L52-2(lines 52 56) no Hoare annotation was computed. [2018-11-18 16:12:26,640 INFO L428 ceAbstractionStarter]: At program point L19-3(lines 19 23) the Hoare annotation is: true [2018-11-18 16:12:26,640 INFO L425 ceAbstractionStarter]: For program point L19-4(lines 19 23) no Hoare annotation was computed. [2018-11-18 16:12:26,640 INFO L425 ceAbstractionStarter]: For program point L73-1(lines 73 77) no Hoare annotation was computed. [2018-11-18 16:12:26,640 INFO L428 ceAbstractionStarter]: At program point L73-3(lines 73 77) the Hoare annotation is: true [2018-11-18 16:12:26,640 INFO L425 ceAbstractionStarter]: For program point L73-4(lines 73 77) no Hoare annotation was computed. [2018-11-18 16:12:26,640 INFO L425 ceAbstractionStarter]: For program point L36-1(lines 36 37) no Hoare annotation was computed. [2018-11-18 16:12:26,640 INFO L425 ceAbstractionStarter]: For program point L36-3(lines 36 37) no Hoare annotation was computed. [2018-11-18 16:12:26,640 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 68) no Hoare annotation was computed. [2018-11-18 16:12:26,640 INFO L428 ceAbstractionStarter]: At program point L36-4(lines 36 37) the Hoare annotation is: true [2018-11-18 16:12:26,640 INFO L425 ceAbstractionStarter]: For program point L36-5(lines 36 37) no Hoare annotation was computed. [2018-11-18 16:12:26,640 INFO L425 ceAbstractionStarter]: For program point L61(lines 61 70) no Hoare annotation was computed. [2018-11-18 16:12:26,640 INFO L428 ceAbstractionStarter]: At program point __ieee754_sqrtfENTRY(lines 14 79) the Hoare annotation is: true [2018-11-18 16:12:26,640 INFO L425 ceAbstractionStarter]: For program point __ieee754_sqrtfFINAL(lines 14 79) no Hoare annotation was computed. [2018-11-18 16:12:26,640 INFO L425 ceAbstractionStarter]: For program point L29(lines 29 30) no Hoare annotation was computed. [2018-11-18 16:12:26,640 INFO L425 ceAbstractionStarter]: For program point __ieee754_sqrtfEXIT(lines 14 79) no Hoare annotation was computed. [2018-11-18 16:12:26,640 INFO L425 ceAbstractionStarter]: For program point L50-1(lines 50 59) no Hoare annotation was computed. [2018-11-18 16:12:26,640 INFO L428 ceAbstractionStarter]: At program point L50-3(lines 50 59) the Hoare annotation is: true [2018-11-18 16:12:26,640 INFO L425 ceAbstractionStarter]: For program point L50-4(lines 14 79) no Hoare annotation was computed. [2018-11-18 16:12:26,640 INFO L425 ceAbstractionStarter]: For program point L42(lines 42 43) no Hoare annotation was computed. [2018-11-18 16:12:26,640 INFO L425 ceAbstractionStarter]: For program point L42-2(lines 42 43) no Hoare annotation was computed. [2018-11-18 16:12:26,641 INFO L425 ceAbstractionStarter]: For program point L63(lines 63 69) no Hoare annotation was computed. [2018-11-18 16:12:26,641 INFO L425 ceAbstractionStarter]: For program point L26(lines 26 27) no Hoare annotation was computed. [2018-11-18 16:12:26,641 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 39) no Hoare annotation was computed. [2018-11-18 16:12:26,648 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,648 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,648 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,649 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,649 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,649 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,650 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,650 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,650 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,650 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,650 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,651 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,651 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,651 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,651 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,651 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,652 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,652 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,653 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,653 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,653 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,653 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,653 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,653 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,654 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,654 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,654 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,654 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,654 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,654 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,654 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,655 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,655 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_29,QUANTIFIED] [2018-11-18 16:12:26,655 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_29,QUANTIFIED] [2018-11-18 16:12:26,655 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,655 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,655 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,655 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,656 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,656 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,656 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,656 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,656 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,656 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,657 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,657 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,657 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,657 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,657 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,657 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,658 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,658 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,658 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,658 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,659 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,659 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,659 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,659 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 04:12:26 BoogieIcfgContainer [2018-11-18 16:12:26,660 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 16:12:26,661 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 16:12:26,661 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 16:12:26,661 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 16:12:26,661 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:09:24" (3/4) ... [2018-11-18 16:12:26,664 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 16:12:26,668 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isinf_float [2018-11-18 16:12:26,668 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 16:12:26,668 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 16:12:26,668 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_hypotf [2018-11-18 16:12:26,668 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrtf [2018-11-18 16:12:26,674 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 73 nodes and edges [2018-11-18 16:12:26,674 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 33 nodes and edges [2018-11-18 16:12:26,674 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 16:12:26,674 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-18 16:12:26,691 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(y) == y [2018-11-18 16:12:26,691 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-11-18 16:12:26,691 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(y) == y && (\exists v___ieee754_hypotf_~ha~0_29 : bv32 :: ha == ~bvand32(2147483647bv32, v___ieee754_hypotf_~ha~0_29)) [2018-11-18 16:12:26,692 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(y) == y && (\exists v___ieee754_hypotf_~hb~0_36 : bv32 :: \old(y) == ~fp~LONGDOUBLE(v___ieee754_hypotf_~hb~0_36[31:31], v___ieee754_hypotf_~hb~0_36[30:23], v___ieee754_hypotf_~hb~0_36[22:0]) && !(~bvadd64(~bvand32(2147483647bv32, v___ieee754_hypotf_~hb~0_36), 2155872256bv32) == 0bv32)) [2018-11-18 16:12:26,692 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(y) == y && (\exists v___ieee754_hypotf_~hb~0_36 : bv32 :: \old(y) == ~fp~LONGDOUBLE(v___ieee754_hypotf_~hb~0_36[31:31], v___ieee754_hypotf_~hb~0_36[30:23], v___ieee754_hypotf_~hb~0_36[22:0]) && !(~bvadd64(~bvand32(2147483647bv32, v___ieee754_hypotf_~hb~0_36), 2155872256bv32) == 0bv32)) [2018-11-18 16:12:26,692 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(y) == y && (\exists v___ieee754_hypotf_~hb~0_36 : bv32 :: \old(y) == ~fp~LONGDOUBLE(v___ieee754_hypotf_~hb~0_36[31:31], v___ieee754_hypotf_~hb~0_36[30:23], v___ieee754_hypotf_~hb~0_36[22:0]) && !(~bvadd64(~bvand32(2147483647bv32, v___ieee754_hypotf_~hb~0_36), 2155872256bv32) == 0bv32)) [2018-11-18 16:12:26,692 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(y) == y && (\exists v___ieee754_hypotf_~hb~0_36 : bv32 :: \old(y) == ~fp~LONGDOUBLE(v___ieee754_hypotf_~hb~0_36[31:31], v___ieee754_hypotf_~hb~0_36[30:23], v___ieee754_hypotf_~hb~0_36[22:0]) && !(~bvadd64(~bvand32(2147483647bv32, v___ieee754_hypotf_~hb~0_36), 2155872256bv32) == 0bv32)) [2018-11-18 16:12:26,692 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(y) == y && (\exists v___ieee754_hypotf_~hb~0_36 : bv32 :: \old(y) == ~fp~LONGDOUBLE(v___ieee754_hypotf_~hb~0_36[31:31], v___ieee754_hypotf_~hb~0_36[30:23], v___ieee754_hypotf_~hb~0_36[22:0]) && !(~bvadd64(~bvand32(2147483647bv32, v___ieee754_hypotf_~hb~0_36), 2155872256bv32) == 0bv32)) [2018-11-18 16:12:26,693 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(y) == y && (\exists v___ieee754_hypotf_~hb~0_36 : bv32 :: \old(y) == ~fp~LONGDOUBLE(v___ieee754_hypotf_~hb~0_36[31:31], v___ieee754_hypotf_~hb~0_36[30:23], v___ieee754_hypotf_~hb~0_36[22:0]) && !(~bvadd64(~bvand32(2147483647bv32, v___ieee754_hypotf_~hb~0_36), 2155872256bv32) == 0bv32)) [2018-11-18 16:12:26,693 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(y) == y && (\exists v___ieee754_hypotf_~hb~0_36 : bv32 :: \old(y) == ~fp~LONGDOUBLE(v___ieee754_hypotf_~hb~0_36[31:31], v___ieee754_hypotf_~hb~0_36[30:23], v___ieee754_hypotf_~hb~0_36[22:0]) && !(~bvadd64(~bvand32(2147483647bv32, v___ieee754_hypotf_~hb~0_36), 2155872256bv32) == 0bv32)) [2018-11-18 16:12:26,726 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_de6a1245-c9e5-42cb-96d5-06a1cf2be927/bin-2019/utaipan/witness.graphml [2018-11-18 16:12:26,726 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 16:12:26,727 INFO L168 Benchmark]: Toolchain (without parser) took 184086.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 190.3 MB). Free memory was 949.2 MB in the beginning and 902.0 MB in the end (delta: 47.2 MB). Peak memory consumption was 237.5 MB. Max. memory is 11.5 GB. [2018-11-18 16:12:26,727 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:12:26,727 INFO L168 Benchmark]: CACSL2BoogieTranslator took 250.98 ms. Allocated memory is still 1.0 GB. Free memory was 949.2 MB in the beginning and 927.7 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-18 16:12:26,727 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.60 ms. Allocated memory is still 1.0 GB. Free memory is still 927.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:12:26,728 INFO L168 Benchmark]: Boogie Preprocessor took 84.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 927.7 MB in the beginning and 1.1 GB in the end (delta: -200.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 11.5 GB. [2018-11-18 16:12:26,728 INFO L168 Benchmark]: RCFGBuilder took 1238.03 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: 49.8 MB). Peak memory consumption was 49.8 MB. Max. memory is 11.5 GB. [2018-11-18 16:12:26,728 INFO L168 Benchmark]: TraceAbstraction took 182419.01 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 50.3 MB). Free memory was 1.1 GB in the beginning and 909.1 MB in the end (delta: 169.1 MB). Peak memory consumption was 219.4 MB. Max. memory is 11.5 GB. [2018-11-18 16:12:26,728 INFO L168 Benchmark]: Witness Printer took 65.36 ms. Allocated memory is still 1.2 GB. Free memory was 909.1 MB in the beginning and 902.0 MB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2018-11-18 16:12:26,730 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 250.98 ms. Allocated memory is still 1.0 GB. Free memory was 949.2 MB in the beginning and 927.7 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 24.60 ms. Allocated memory is still 1.0 GB. Free memory is still 927.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 84.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 927.7 MB in the beginning and 1.1 GB in the end (delta: -200.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1238.03 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: 49.8 MB). Peak memory consumption was 49.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 182419.01 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 50.3 MB). Free memory was 1.1 GB in the beginning and 909.1 MB in the end (delta: 169.1 MB). Peak memory consumption was 219.4 MB. Max. memory is 11.5 GB. * Witness Printer took 65.36 ms. Allocated memory is still 1.2 GB. Free memory was 909.1 MB in the beginning and 902.0 MB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 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___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_29,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_29,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 234]: 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: 85]: Loop Invariant Derived loop invariant: \old(y) == y - InvariantResult [Line: 149]: Loop Invariant [2018-11-18 16:12:26,733 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,733 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,733 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,734 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,734 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,734 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,734 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,734 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] Derived loop invariant: \old(y) == y && (\exists v___ieee754_hypotf_~hb~0_36 : bv32 :: \old(y) == ~fp~LONGDOUBLE(v___ieee754_hypotf_~hb~0_36[31:31], v___ieee754_hypotf_~hb~0_36[30:23], v___ieee754_hypotf_~hb~0_36[22:0]) && !(~bvadd64(~bvand32(2147483647bv32, v___ieee754_hypotf_~hb~0_36), 2155872256bv32) == 0bv32)) - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 191]: Loop Invariant [2018-11-18 16:12:26,734 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,735 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,735 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,735 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,735 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,735 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,735 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,735 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] Derived loop invariant: \old(y) == y && (\exists v___ieee754_hypotf_~hb~0_36 : bv32 :: \old(y) == ~fp~LONGDOUBLE(v___ieee754_hypotf_~hb~0_36[31:31], v___ieee754_hypotf_~hb~0_36[30:23], v___ieee754_hypotf_~hb~0_36[22:0]) && !(~bvadd64(~bvand32(2147483647bv32, v___ieee754_hypotf_~hb~0_36), 2155872256bv32) == 0bv32)) - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 200]: Loop Invariant [2018-11-18 16:12:26,736 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,736 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,736 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,736 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,736 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,736 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,736 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,737 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] Derived loop invariant: \old(y) == y && (\exists v___ieee754_hypotf_~hb~0_36 : bv32 :: \old(y) == ~fp~LONGDOUBLE(v___ieee754_hypotf_~hb~0_36[31:31], v___ieee754_hypotf_~hb~0_36[30:23], v___ieee754_hypotf_~hb~0_36[22:0]) && !(~bvadd64(~bvand32(2147483647bv32, v___ieee754_hypotf_~hb~0_36), 2155872256bv32) == 0bv32)) - InvariantResult [Line: 134]: Loop Invariant [2018-11-18 16:12:26,737 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,737 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,737 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,737 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,738 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,738 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,738 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,738 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] Derived loop invariant: \old(y) == y && (\exists v___ieee754_hypotf_~hb~0_36 : bv32 :: \old(y) == ~fp~LONGDOUBLE(v___ieee754_hypotf_~hb~0_36[31:31], v___ieee754_hypotf_~hb~0_36[30:23], v___ieee754_hypotf_~hb~0_36[22:0]) && !(~bvadd64(~bvand32(2147483647bv32, v___ieee754_hypotf_~hb~0_36), 2155872256bv32) == 0bv32)) - InvariantResult [Line: 91]: Loop Invariant [2018-11-18 16:12:26,738 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_29,QUANTIFIED] [2018-11-18 16:12:26,738 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_29,QUANTIFIED] Derived loop invariant: \old(y) == y && (\exists v___ieee754_hypotf_~ha~0_29 : bv32 :: ha == ~bvand32(2147483647bv32, v___ieee754_hypotf_~ha~0_29)) - InvariantResult [Line: 73]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 213]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 176]: Loop Invariant [2018-11-18 16:12:26,739 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,739 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,739 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,739 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,739 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,739 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,740 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,740 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] Derived loop invariant: \old(y) == y && (\exists v___ieee754_hypotf_~hb~0_36 : bv32 :: \old(y) == ~fp~LONGDOUBLE(v___ieee754_hypotf_~hb~0_36[31:31], v___ieee754_hypotf_~hb~0_36[30:23], v___ieee754_hypotf_~hb~0_36[22:0]) && !(~bvadd64(~bvand32(2147483647bv32, v___ieee754_hypotf_~hb~0_36), 2155872256bv32) == 0bv32)) - InvariantResult [Line: 36]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 185]: Loop Invariant [2018-11-18 16:12:26,740 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,740 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,740 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,740 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,741 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,741 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,741 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,741 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] Derived loop invariant: \old(y) == y && (\exists v___ieee754_hypotf_~hb~0_36 : bv32 :: \old(y) == ~fp~LONGDOUBLE(v___ieee754_hypotf_~hb~0_36[31:31], v___ieee754_hypotf_~hb~0_36[30:23], v___ieee754_hypotf_~hb~0_36[22:0]) && !(~bvadd64(~bvand32(2147483647bv32, v___ieee754_hypotf_~hb~0_36), 2155872256bv32) == 0bv32)) - InvariantResult [Line: 161]: Loop Invariant [2018-11-18 16:12:26,741 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,741 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,741 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,742 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,742 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,742 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,742 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] [2018-11-18 16:12:26,742 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_36,QUANTIFIED] Derived loop invariant: \old(y) == y && (\exists v___ieee754_hypotf_~hb~0_36 : bv32 :: \old(y) == ~fp~LONGDOUBLE(v___ieee754_hypotf_~hb~0_36[31:31], v___ieee754_hypotf_~hb~0_36[30:23], v___ieee754_hypotf_~hb~0_36[22:0]) && !(~bvadd64(~bvand32(2147483647bv32, v___ieee754_hypotf_~hb~0_36), 2155872256bv32) == 0bv32)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 103 locations, 1 error locations. SAFE Result, 182.3s OverallTime, 10 OverallIterations, 1 TraceHistogramMax, 176.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 1117 SDtfs, 1405 SDslu, 6945 SDs, 0 SdLazy, 2011 SolverSat, 104 SolverUnsat, 65 SolverUnknown, 0 SolverNotchecked, 167.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 401 GetRequests, 261 SyntacticMatches, 0 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 252 ImplicationChecksByTransitivity, 10.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=108occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 110 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 25 LocationsWithAnnotation, 108 PreInvPairs, 210 NumberOfFragments, 285 HoareAnnotationTreeSize, 108 FomulaSimplifications, 3161 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 25 FomulaSimplificationsInter, 789 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 4.1s InterpolantComputationTime, 351 NumberOfCodeBlocks, 351 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 341 ConstructedInterpolants, 132 QuantifiedInterpolants, 120796 SizeOfPredicates, 46 NumberOfNonLiveVariables, 1074 ConjunctsInSsa, 104 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...