./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0260_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_eb0ec58a-7ebe-4c09-b6a1-b861c3d91bc4/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_eb0ec58a-7ebe-4c09-b6a1-b861c3d91bc4/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_eb0ec58a-7ebe-4c09-b6a1-b861c3d91bc4/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_eb0ec58a-7ebe-4c09-b6a1-b861c3d91bc4/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0260_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_eb0ec58a-7ebe-4c09-b6a1-b861c3d91bc4/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_eb0ec58a-7ebe-4c09-b6a1-b861c3d91bc4/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 f4df82ea580918989808f581f8b270f0b85e6120 ........................................................................................................................................................................................................................................................................................................................................................................................... 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_eb0ec58a-7ebe-4c09-b6a1-b861c3d91bc4/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_eb0ec58a-7ebe-4c09-b6a1-b861c3d91bc4/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_eb0ec58a-7ebe-4c09-b6a1-b861c3d91bc4/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_eb0ec58a-7ebe-4c09-b6a1-b861c3d91bc4/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0260_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_eb0ec58a-7ebe-4c09-b6a1-b861c3d91bc4/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_eb0ec58a-7ebe-4c09-b6a1-b861c3d91bc4/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 f4df82ea580918989808f581f8b270f0b85e6120 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 04:32:50,472 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 04:32:50,473 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 04:32:50,481 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 04:32:50,481 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 04:32:50,482 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 04:32:50,483 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 04:32:50,484 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 04:32:50,485 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 04:32:50,485 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 04:32:50,486 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 04:32:50,486 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 04:32:50,487 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 04:32:50,487 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 04:32:50,488 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 04:32:50,489 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 04:32:50,489 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 04:32:50,490 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 04:32:50,492 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 04:32:50,493 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 04:32:50,493 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 04:32:50,494 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 04:32:50,496 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 04:32:50,496 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 04:32:50,496 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 04:32:50,497 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 04:32:50,497 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 04:32:50,498 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 04:32:50,498 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 04:32:50,499 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 04:32:50,499 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 04:32:50,500 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 04:32:50,500 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 04:32:50,500 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 04:32:50,501 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 04:32:50,501 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 04:32:50,501 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_eb0ec58a-7ebe-4c09-b6a1-b861c3d91bc4/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-10 04:32:50,511 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 04:32:50,511 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 04:32:50,512 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 04:32:50,512 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 04:32:50,512 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 04:32:50,512 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 04:32:50,512 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-10 04:32:50,513 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 04:32:50,513 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-10 04:32:50,513 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-10 04:32:50,513 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 04:32:50,513 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 04:32:50,514 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 04:32:50,514 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 04:32:50,514 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 04:32:50,514 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 04:32:50,514 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 04:32:50,514 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 04:32:50,514 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 04:32:50,515 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 04:32:50,515 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 04:32:50,515 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 04:32:50,515 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 04:32:50,515 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 04:32:50,515 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 04:32:50,515 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 04:32:50,516 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 04:32:50,516 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 04:32:50,516 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 04:32:50,516 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 04:32:50,516 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-10 04:32:50,516 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 04:32:50,516 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 04:32:50,516 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-10 04:32:50,517 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_eb0ec58a-7ebe-4c09-b6a1-b861c3d91bc4/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 -> f4df82ea580918989808f581f8b270f0b85e6120 [2018-11-10 04:32:50,539 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 04:32:50,548 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 04:32:50,550 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 04:32:50,551 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 04:32:50,551 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 04:32:50,551 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_eb0ec58a-7ebe-4c09-b6a1-b861c3d91bc4/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0260_true-unreach-call.c [2018-11-10 04:32:50,587 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_eb0ec58a-7ebe-4c09-b6a1-b861c3d91bc4/bin-2019/utaipan/data/3eb4e549c/b08c2e33c2f048299537d6b8d88167e9/FLAG40209a085 [2018-11-10 04:32:50,983 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 04:32:50,983 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_eb0ec58a-7ebe-4c09-b6a1-b861c3d91bc4/sv-benchmarks/c/float-newlib/float_req_bl_0260_true-unreach-call.c [2018-11-10 04:32:50,988 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_eb0ec58a-7ebe-4c09-b6a1-b861c3d91bc4/bin-2019/utaipan/data/3eb4e549c/b08c2e33c2f048299537d6b8d88167e9/FLAG40209a085 [2018-11-10 04:32:50,996 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_eb0ec58a-7ebe-4c09-b6a1-b861c3d91bc4/bin-2019/utaipan/data/3eb4e549c/b08c2e33c2f048299537d6b8d88167e9 [2018-11-10 04:32:50,998 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 04:32:50,999 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 04:32:51,000 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 04:32:51,000 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 04:32:51,002 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 04:32:51,002 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:32:50" (1/1) ... [2018-11-10 04:32:51,004 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fbc8502 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:32:51, skipping insertion in model container [2018-11-10 04:32:51,004 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:32:50" (1/1) ... [2018-11-10 04:32:51,009 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 04:32:51,027 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 04:32:51,157 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 04:32:51,160 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 04:32:51,186 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 04:32:51,199 INFO L193 MainTranslator]: Completed translation [2018-11-10 04:32:51,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:32:51 WrapperNode [2018-11-10 04:32:51,199 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 04:32:51,200 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 04:32:51,200 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 04:32:51,200 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 04:32:51,205 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:32:51" (1/1) ... [2018-11-10 04:32:51,212 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:32:51" (1/1) ... [2018-11-10 04:32:51,274 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 04:32:51,274 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 04:32:51,274 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 04:32:51,274 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 04:32:51,283 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:32:51" (1/1) ... [2018-11-10 04:32:51,283 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:32:51" (1/1) ... [2018-11-10 04:32:51,287 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:32:51" (1/1) ... [2018-11-10 04:32:51,287 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:32:51" (1/1) ... [2018-11-10 04:32:51,294 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:32:51" (1/1) ... [2018-11-10 04:32:51,300 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:32:51" (1/1) ... [2018-11-10 04:32:51,303 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:32:51" (1/1) ... [2018-11-10 04:32:51,306 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 04:32:51,307 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 04:32:51,307 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 04:32:51,307 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 04:32:51,308 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:32:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_eb0ec58a-7ebe-4c09-b6a1-b861c3d91bc4/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 [2018-11-10 04:32:51,349 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 04:32:51,349 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 04:32:51,349 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_asinf [2018-11-10 04:32:51,349 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_asinf [2018-11-10 04:32:51,349 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-11-10 04:32:51,349 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-11-10 04:32:51,349 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 04:32:51,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 04:32:51,349 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-11-10 04:32:51,350 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-11-10 04:32:51,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 04:32:51,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 04:32:51,350 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-11-10 04:32:51,350 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-11-10 04:32:51,739 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 04:32:51,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:32:51 BoogieIcfgContainer [2018-11-10 04:32:51,740 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 04:32:51,741 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 04:32:51,741 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 04:32:51,743 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 04:32:51,744 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 04:32:50" (1/3) ... [2018-11-10 04:32:51,744 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6245f27b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 04:32:51, skipping insertion in model container [2018-11-10 04:32:51,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:32:51" (2/3) ... [2018-11-10 04:32:51,745 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6245f27b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 04:32:51, skipping insertion in model container [2018-11-10 04:32:51,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:32:51" (3/3) ... [2018-11-10 04:32:51,746 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0260_true-unreach-call.c [2018-11-10 04:32:51,755 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 04:32:51,761 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 04:32:51,775 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 04:32:51,801 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 04:32:51,801 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 04:32:51,801 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 04:32:51,801 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 04:32:51,801 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 04:32:51,801 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 04:32:51,802 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 04:32:51,802 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 04:32:51,816 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states. [2018-11-10 04:32:51,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 04:32:51,821 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:32:51,822 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] [2018-11-10 04:32:51,824 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 04:32:51,829 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:32:51,829 INFO L82 PathProgramCache]: Analyzing trace with hash -909407616, now seen corresponding path program 1 times [2018-11-10 04:32:51,831 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 04:32:51,872 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:32:51,872 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:32:51,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:32:51,873 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 04:32:51,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:32:51,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:32:51,954 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:32:51,954 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 04:32:51,954 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 04:32:51,958 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-10 04:32:51,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-10 04:32:51,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 04:32:51,970 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 2 states. [2018-11-10 04:32:51,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:32:51,986 INFO L93 Difference]: Finished difference Result 148 states and 218 transitions. [2018-11-10 04:32:51,986 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 04:32:51,987 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 21 [2018-11-10 04:32:51,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:32:51,993 INFO L225 Difference]: With dead ends: 148 [2018-11-10 04:32:51,994 INFO L226 Difference]: Without dead ends: 74 [2018-11-10 04:32:51,996 INFO L605 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 [2018-11-10 04:32:52,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2018-11-10 04:32:52,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2018-11-10 04:32:52,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2018-11-10 04:32:52,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 91 transitions. [2018-11-10 04:32:52,024 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 91 transitions. Word has length 21 [2018-11-10 04:32:52,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:32:52,024 INFO L481 AbstractCegarLoop]: Abstraction has 74 states and 91 transitions. [2018-11-10 04:32:52,024 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-10 04:32:52,024 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 91 transitions. [2018-11-10 04:32:52,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-10 04:32:52,025 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:32:52,025 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 04:32:52,025 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 04:32:52,026 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:32:52,026 INFO L82 PathProgramCache]: Analyzing trace with hash 1895543027, now seen corresponding path program 1 times [2018-11-10 04:32:52,026 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 04:32:52,027 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:32:52,027 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:32:52,027 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:32:52,027 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 04:32:52,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 04:32:52,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 04:32:52,099 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-10 04:32:52,112 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 04:32:52,113 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 04:32:52,113 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 04:32:52,114 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 04:32:52,114 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 04:32:52,114 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 04:32:52,114 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 04:32:52,115 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 04:32:52,115 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 04:32:52,115 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 04:32:52,115 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 04:32:52,115 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 04:32:52,116 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 04:32:52,116 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 04:32:52,116 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 04:32:52,116 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 04:32:52,116 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 04:32:52,117 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 04:32:52,117 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 04:32:52,117 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 04:32:52,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 04:32:52 BoogieIcfgContainer [2018-11-10 04:32:52,135 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 04:32:52,136 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 04:32:52,136 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 04:32:52,136 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 04:32:52,137 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:32:51" (3/4) ... [2018-11-10 04:32:52,139 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 04:32:52,139 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 04:32:52,140 INFO L168 Benchmark]: Toolchain (without parser) took 1141.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 960.2 MB in the beginning and 1.1 GB in the end (delta: -90.0 MB). Peak memory consumption was 40.6 MB. Max. memory is 11.5 GB. [2018-11-10 04:32:52,141 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 04:32:52,141 INFO L168 Benchmark]: CACSL2BoogieTranslator took 199.88 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 943.0 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 11.5 GB. [2018-11-10 04:32:52,142 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 943.0 MB in the beginning and 1.1 GB in the end (delta: -187.3 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. [2018-11-10 04:32:52,142 INFO L168 Benchmark]: Boogie Preprocessor took 32.39 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 04:32:52,143 INFO L168 Benchmark]: RCFGBuilder took 432.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 39.9 MB). Peak memory consumption was 39.9 MB. Max. memory is 11.5 GB. [2018-11-10 04:32:52,143 INFO L168 Benchmark]: TraceAbstraction took 395.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. [2018-11-10 04:32:52,143 INFO L168 Benchmark]: Witness Printer took 3.42 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 04:32:52,146 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 199.88 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 943.0 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 74.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 943.0 MB in the beginning and 1.1 GB in the end (delta: -187.3 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 32.39 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 432.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 39.9 MB). Peak memory consumption was 39.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 395.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. * Witness Printer took 3.42 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 188]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 13, overapproximation of someUnaryDOUBLEoperation at line 102, overapproximation of bitwiseAnd at line 116, overapproximation of someUnaryFLOAToperation at line 100, overapproximation of someBinaryArithmeticFLOAToperation at line 119. Possible FailurePath: [L15] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L98-L106] static const float one_asin = 1.0000000000e+00, huge_asin = 1.000e+30, pio2_hi_asin = 1.57079637050628662109375f, pio2_lo_asin = -4.37113900018624283e-8f, pio4_hi_asin = 0.785398185253143310546875f, pS0_asin = 1.6666667163e-01, pS1_asin = -3.2556581497e-01, pS2_asin = 2.0121252537e-01, pS3_asin = -4.0055535734e-02, pS4_asin = 7.9153501429e-04, pS5_asin = 3.4793309169e-05, qS1_asin = -2.4033949375e+00, qS2_asin = 2.0209457874e+00, qS3_asin = -6.8828397989e-01, qS4_asin = 7.7038154006e-02; VAL [\old(huge_asin)=6442450966, \old(one_asin)=6442450953, \old(one_sqrt)=6442450950, \old(pio2_hi_asin)=6442450952, \old(pio2_lo_asin)=6442450961, \old(pio4_hi_asin)=6442450954, \old(pS0_asin)=6442450960, \old(pS1_asin)=6442450955, \old(pS2_asin)=6442450948, \old(pS3_asin)=6442450959, \old(pS4_asin)=6442450964, \old(pS5_asin)=6442450957, \old(qS1_asin)=6442450967, \old(qS2_asin)=6442450965, \old(qS3_asin)=6442450946, \old(qS4_asin)=6442450962, \old(tiny_sqrt)=6442450963, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L183] float x = 0.0f / 0.0f; VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L184] CALL, EXPR __ieee754_asinf(x) VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L109] float t, w, p, q, c, r, s; [L110] __int32_t hx, ix; VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L112] CALL ieee_float_shape_type gf_u; [L112] RET ieee_float_shape_type gf_u; [L113] CALL gf_u.value = (x) [L113] RET gf_u.value = (x) [L114] CALL, EXPR gf_u.word [L114] RET, EXPR gf_u.word [L114] (hx) = gf_u.word [L114] RET (hx) = gf_u.word [L115] COND FALSE !(0) VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L116] ix = hx & 0x7fffffff VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L117] COND TRUE ix == 0x3f800000 [L119] RET return x * pio2_hi_asin + x * pio2_lo_asin; VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L184] EXPR __ieee754_asinf(x) VAL [__ieee754_asinf(x)=6442450949, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=6442450956] [L184] float res = __ieee754_asinf(x); [L187] CALL, EXPR isnan_float(res) VAL [\old(x)=6442450949, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L13] RET return x != x; VAL [\old(x)=6442450949, \result=0, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=6442450949] [L187] EXPR isnan_float(res) VAL [huge_asin=1000000000000000000000000000000, isnan_float(res)=0, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, res=6442450949, tiny_sqrt=1/1000000000000000000000000000000, x=6442450956] [L187] COND TRUE !isnan_float(res) [L188] __VERIFIER_error() VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, res=6442450949, tiny_sqrt=1/1000000000000000000000000000000, x=6442450956] - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 78 locations, 1 error locations. UNSAFE Result, 0.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 95 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=78occurred 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, 43 NumberOfCodeBlocks, 43 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 400 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 0.1.23-1dbac8b [2018-11-10 04:32:53,567 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 04:32:53,568 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 04:32:53,575 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 04:32:53,575 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 04:32:53,576 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 04:32:53,577 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 04:32:53,578 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 04:32:53,579 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 04:32:53,579 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 04:32:53,580 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 04:32:53,580 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 04:32:53,581 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 04:32:53,581 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 04:32:53,582 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 04:32:53,583 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 04:32:53,583 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 04:32:53,585 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 04:32:53,586 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 04:32:53,587 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 04:32:53,588 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 04:32:53,588 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 04:32:53,590 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 04:32:53,590 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 04:32:53,590 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 04:32:53,591 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 04:32:53,592 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 04:32:53,592 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 04:32:53,593 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 04:32:53,594 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 04:32:53,594 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 04:32:53,594 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 04:32:53,594 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 04:32:53,594 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 04:32:53,595 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 04:32:53,596 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 04:32:53,596 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_eb0ec58a-7ebe-4c09-b6a1-b861c3d91bc4/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-10 04:32:53,606 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 04:32:53,606 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 04:32:53,607 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 04:32:53,607 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 04:32:53,607 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 04:32:53,607 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 04:32:53,607 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 04:32:53,608 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 04:32:53,608 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 04:32:53,608 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 04:32:53,608 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 04:32:53,608 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 04:32:53,609 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 04:32:53,609 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 04:32:53,609 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 04:32:53,609 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 04:32:53,609 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 04:32:53,609 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 04:32:53,609 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 04:32:53,609 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 04:32:53,610 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 04:32:53,610 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 04:32:53,610 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 04:32:53,610 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 04:32:53,610 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 04:32:53,610 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 04:32:53,610 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 04:32:53,611 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 04:32:53,611 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-10 04:32:53,611 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 04:32:53,611 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 04:32:53,611 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 04:32:53,611 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_eb0ec58a-7ebe-4c09-b6a1-b861c3d91bc4/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 -> f4df82ea580918989808f581f8b270f0b85e6120 [2018-11-10 04:32:53,639 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 04:32:53,647 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 04:32:53,649 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 04:32:53,650 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 04:32:53,650 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 04:32:53,651 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_eb0ec58a-7ebe-4c09-b6a1-b861c3d91bc4/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0260_true-unreach-call.c [2018-11-10 04:32:53,686 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_eb0ec58a-7ebe-4c09-b6a1-b861c3d91bc4/bin-2019/utaipan/data/2f6db268f/136e16fdd005487ca705fee86070c6e4/FLAGda566313a [2018-11-10 04:32:53,995 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 04:32:53,996 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_eb0ec58a-7ebe-4c09-b6a1-b861c3d91bc4/sv-benchmarks/c/float-newlib/float_req_bl_0260_true-unreach-call.c [2018-11-10 04:32:54,001 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_eb0ec58a-7ebe-4c09-b6a1-b861c3d91bc4/bin-2019/utaipan/data/2f6db268f/136e16fdd005487ca705fee86070c6e4/FLAGda566313a [2018-11-10 04:32:54,009 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_eb0ec58a-7ebe-4c09-b6a1-b861c3d91bc4/bin-2019/utaipan/data/2f6db268f/136e16fdd005487ca705fee86070c6e4 [2018-11-10 04:32:54,011 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 04:32:54,012 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 04:32:54,012 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 04:32:54,013 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 04:32:54,015 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 04:32:54,015 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:32:54" (1/1) ... [2018-11-10 04:32:54,017 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2635eeab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:32:54, skipping insertion in model container [2018-11-10 04:32:54,017 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:32:54" (1/1) ... [2018-11-10 04:32:54,022 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 04:32:54,043 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 04:32:54,193 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 04:32:54,197 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 04:32:54,235 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 04:32:54,253 INFO L193 MainTranslator]: Completed translation [2018-11-10 04:32:54,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:32:54 WrapperNode [2018-11-10 04:32:54,253 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 04:32:54,254 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 04:32:54,254 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 04:32:54,254 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 04:32:54,259 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:32:54" (1/1) ... [2018-11-10 04:32:54,269 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:32:54" (1/1) ... [2018-11-10 04:32:54,296 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 04:32:54,296 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 04:32:54,296 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 04:32:54,296 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 04:32:54,302 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:32:54" (1/1) ... [2018-11-10 04:32:54,302 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:32:54" (1/1) ... [2018-11-10 04:32:54,308 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:32:54" (1/1) ... [2018-11-10 04:32:54,308 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:32:54" (1/1) ... [2018-11-10 04:32:54,320 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:32:54" (1/1) ... [2018-11-10 04:32:54,326 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:32:54" (1/1) ... [2018-11-10 04:32:54,330 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:32:54" (1/1) ... [2018-11-10 04:32:54,334 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 04:32:54,334 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 04:32:54,334 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 04:32:54,334 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 04:32:54,336 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:32:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_eb0ec58a-7ebe-4c09-b6a1-b861c3d91bc4/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 [2018-11-10 04:32:54,425 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 04:32:54,425 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 04:32:54,425 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_asinf [2018-11-10 04:32:54,425 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_asinf [2018-11-10 04:32:54,425 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-11-10 04:32:54,425 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-11-10 04:32:54,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 04:32:54,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 04:32:54,426 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-11-10 04:32:54,426 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-11-10 04:32:54,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 04:32:54,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 04:32:54,426 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-11-10 04:32:54,426 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-11-10 04:32:54,622 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 04:33:01,640 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 04:33:01,678 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 04:33:04,017 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 04:33:04,494 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 04:33:04,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:33:04 BoogieIcfgContainer [2018-11-10 04:33:04,495 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 04:33:04,495 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 04:33:04,495 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 04:33:04,498 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 04:33:04,498 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 04:32:54" (1/3) ... [2018-11-10 04:33:04,498 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5de26122 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 04:33:04, skipping insertion in model container [2018-11-10 04:33:04,498 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:32:54" (2/3) ... [2018-11-10 04:33:04,499 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5de26122 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 04:33:04, skipping insertion in model container [2018-11-10 04:33:04,499 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:33:04" (3/3) ... [2018-11-10 04:33:04,500 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0260_true-unreach-call.c [2018-11-10 04:33:04,505 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 04:33:04,509 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 04:33:04,518 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 04:33:04,534 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 04:33:04,534 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 04:33:04,535 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 04:33:04,535 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 04:33:04,535 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 04:33:04,535 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 04:33:04,535 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 04:33:04,535 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 04:33:04,535 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 04:33:04,546 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states. [2018-11-10 04:33:04,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-10 04:33:04,551 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:33:04,552 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] [2018-11-10 04:33:04,553 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 04:33:04,556 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:33:04,557 INFO L82 PathProgramCache]: Analyzing trace with hash 19313515, now seen corresponding path program 1 times [2018-11-10 04:33:04,559 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 04:33:04,560 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_eb0ec58a-7ebe-4c09-b6a1-b861c3d91bc4/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 [2018-11-10 04:33:04,563 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:33:04,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:33:04,742 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 04:33:04,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:33:04,757 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 04:33:04,770 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:33:04,770 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 04:33:04,772 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-10 04:33:04,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-10 04:33:04,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 04:33:04,781 INFO L87 Difference]: Start difference. First operand 77 states. Second operand 2 states. [2018-11-10 04:33:04,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:33:04,802 INFO L93 Difference]: Finished difference Result 146 states and 216 transitions. [2018-11-10 04:33:04,802 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 04:33:04,803 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 20 [2018-11-10 04:33:04,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:33:04,811 INFO L225 Difference]: With dead ends: 146 [2018-11-10 04:33:04,811 INFO L226 Difference]: Without dead ends: 73 [2018-11-10 04:33:04,813 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 04:33:04,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2018-11-10 04:33:04,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2018-11-10 04:33:04,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2018-11-10 04:33:04,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 90 transitions. [2018-11-10 04:33:04,842 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 90 transitions. Word has length 20 [2018-11-10 04:33:04,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:33:04,842 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 90 transitions. [2018-11-10 04:33:04,842 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-10 04:33:04,842 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 90 transitions. [2018-11-10 04:33:04,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 04:33:04,843 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:33:04,843 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] [2018-11-10 04:33:04,844 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 04:33:04,844 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:33:04,844 INFO L82 PathProgramCache]: Analyzing trace with hash 823911669, now seen corresponding path program 1 times [2018-11-10 04:33:04,844 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 04:33:04,845 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_eb0ec58a-7ebe-4c09-b6a1-b861c3d91bc4/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 [2018-11-10 04:33:04,853 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:33:05,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:33:05,032 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 04:33:05,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:33:05,142 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 04:33:05,157 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:33:05,157 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 04:33:05,158 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 04:33:05,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 04:33:05,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-10 04:33:05,159 INFO L87 Difference]: Start difference. First operand 73 states and 90 transitions. Second operand 7 states. [2018-11-10 04:33:10,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:33:10,926 INFO L93 Difference]: Finished difference Result 85 states and 101 transitions. [2018-11-10 04:33:10,927 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-10 04:33:10,928 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 21 [2018-11-10 04:33:10,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:33:10,930 INFO L225 Difference]: With dead ends: 85 [2018-11-10 04:33:10,931 INFO L226 Difference]: Without dead ends: 75 [2018-11-10 04:33:10,931 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-11-10 04:33:10,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2018-11-10 04:33:10,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 73. [2018-11-10 04:33:10,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2018-11-10 04:33:10,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 89 transitions. [2018-11-10 04:33:10,941 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 89 transitions. Word has length 21 [2018-11-10 04:33:10,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:33:10,941 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 89 transitions. [2018-11-10 04:33:10,941 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 04:33:10,941 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 89 transitions. [2018-11-10 04:33:10,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-10 04:33:10,942 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:33:10,942 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 04:33:10,942 INFO L424 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 04:33:10,942 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:33:10,943 INFO L82 PathProgramCache]: Analyzing trace with hash -960001939, now seen corresponding path program 1 times [2018-11-10 04:33:10,943 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 04:33:10,943 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_eb0ec58a-7ebe-4c09-b6a1-b861c3d91bc4/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 [2018-11-10 04:33:10,949 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:33:11,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:33:11,146 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 04:33:12,943 WARN L179 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2018-11-10 04:33:14,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:33:14,935 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 04:33:14,945 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:33:14,945 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-10 04:33:14,945 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-10 04:33:14,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-10 04:33:14,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-10 04:33:14,946 INFO L87 Difference]: Start difference. First operand 73 states and 89 transitions. Second operand 9 states. [2018-11-10 04:33:20,407 WARN L179 SmtUtils]: Spent 1.39 s on a formula simplification that was a NOOP. DAG size: 9 [2018-11-10 04:33:27,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:33:27,567 INFO L93 Difference]: Finished difference Result 82 states and 98 transitions. [2018-11-10 04:33:27,567 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-10 04:33:27,567 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2018-11-10 04:33:27,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:33:27,569 INFO L225 Difference]: With dead ends: 82 [2018-11-10 04:33:27,569 INFO L226 Difference]: Without dead ends: 75 [2018-11-10 04:33:27,569 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 7.4s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-11-10 04:33:27,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2018-11-10 04:33:27,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 73. [2018-11-10 04:33:27,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2018-11-10 04:33:27,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 88 transitions. [2018-11-10 04:33:27,578 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 88 transitions. Word has length 22 [2018-11-10 04:33:27,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:33:27,578 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 88 transitions. [2018-11-10 04:33:27,579 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-10 04:33:27,579 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 88 transitions. [2018-11-10 04:33:27,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-10 04:33:27,579 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:33:27,580 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 04:33:27,580 INFO L424 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 04:33:27,580 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:33:27,580 INFO L82 PathProgramCache]: Analyzing trace with hash -431370173, now seen corresponding path program 1 times [2018-11-10 04:33:27,580 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 04:33:27,580 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_eb0ec58a-7ebe-4c09-b6a1-b861c3d91bc4/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 [2018-11-10 04:33:27,583 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:33:28,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:33:28,585 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 04:33:28,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:33:28,671 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 04:33:28,694 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:33:28,695 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 04:33:28,695 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 04:33:28,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 04:33:28,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-10 04:33:28,696 INFO L87 Difference]: Start difference. First operand 73 states and 88 transitions. Second operand 7 states. [2018-11-10 04:33:33,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:33:33,877 INFO L93 Difference]: Finished difference Result 86 states and 101 transitions. [2018-11-10 04:33:33,879 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 04:33:33,879 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 24 [2018-11-10 04:33:33,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:33:33,880 INFO L225 Difference]: With dead ends: 86 [2018-11-10 04:33:33,880 INFO L226 Difference]: Without dead ends: 68 [2018-11-10 04:33:33,881 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-11-10 04:33:33,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2018-11-10 04:33:33,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2018-11-10 04:33:33,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2018-11-10 04:33:33,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 80 transitions. [2018-11-10 04:33:33,888 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 80 transitions. Word has length 24 [2018-11-10 04:33:33,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:33:33,888 INFO L481 AbstractCegarLoop]: Abstraction has 68 states and 80 transitions. [2018-11-10 04:33:33,889 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 04:33:33,889 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 80 transitions. [2018-11-10 04:33:33,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-10 04:33:33,890 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:33:33,890 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, 1, 1, 1, 1] [2018-11-10 04:33:33,890 INFO L424 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 04:33:33,890 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:33:33,890 INFO L82 PathProgramCache]: Analyzing trace with hash 1951694685, now seen corresponding path program 1 times [2018-11-10 04:33:33,891 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 04:33:33,891 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_eb0ec58a-7ebe-4c09-b6a1-b861c3d91bc4/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 [2018-11-10 04:33:33,895 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:33:35,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:33:35,097 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 04:33:35,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:33:35,182 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 04:33:35,203 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:33:35,203 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 04:33:35,204 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 04:33:35,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 04:33:35,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-10 04:33:35,204 INFO L87 Difference]: Start difference. First operand 68 states and 80 transitions. Second operand 7 states. [2018-11-10 04:33:37,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:33:37,638 INFO L93 Difference]: Finished difference Result 68 states and 80 transitions. [2018-11-10 04:33:37,639 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 04:33:37,639 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 44 [2018-11-10 04:33:37,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:33:37,639 INFO L225 Difference]: With dead ends: 68 [2018-11-10 04:33:37,639 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 04:33:37,640 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-11-10 04:33:37,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 04:33:37,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 04:33:37,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 04:33:37,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 04:33:37,641 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 44 [2018-11-10 04:33:37,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:33:37,641 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 04:33:37,641 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 04:33:37,641 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 04:33:37,641 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 04:33:37,644 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-10 04:33:37,824 INFO L425 ceAbstractionStarter]: For program point isnan_floatFINAL(line 13) no Hoare annotation was computed. [2018-11-10 04:33:37,824 INFO L428 ceAbstractionStarter]: At program point isnan_floatENTRY(line 13) the Hoare annotation is: true [2018-11-10 04:33:37,824 INFO L425 ceAbstractionStarter]: For program point isnan_floatEXIT(line 13) no Hoare annotation was computed. [2018-11-10 04:33:37,824 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-10 04:33:37,824 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-10 04:33:37,824 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 04:33:37,824 INFO L425 ceAbstractionStarter]: For program point fabs_floatEXIT(lines 83 96) no Hoare annotation was computed. [2018-11-10 04:33:37,825 INFO L425 ceAbstractionStarter]: For program point L85-1(lines 85 89) no Hoare annotation was computed. [2018-11-10 04:33:37,825 INFO L428 ceAbstractionStarter]: At program point L85-3(lines 85 89) the Hoare annotation is: true [2018-11-10 04:33:37,825 INFO L425 ceAbstractionStarter]: For program point fabs_floatFINAL(lines 83 96) no Hoare annotation was computed. [2018-11-10 04:33:37,825 INFO L425 ceAbstractionStarter]: For program point L90(lines 90 94) no Hoare annotation was computed. [2018-11-10 04:33:37,825 INFO L425 ceAbstractionStarter]: For program point L90-2(lines 83 96) no Hoare annotation was computed. [2018-11-10 04:33:37,825 INFO L425 ceAbstractionStarter]: For program point L90-3(lines 90 94) no Hoare annotation was computed. [2018-11-10 04:33:37,825 INFO L428 ceAbstractionStarter]: At program point fabs_floatENTRY(lines 83 96) the Hoare annotation is: true [2018-11-10 04:33:37,825 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 04:33:37,825 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-10 04:33:37,825 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 04:33:37,825 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 04:33:37,826 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 176 193) the Hoare annotation is: true [2018-11-10 04:33:37,826 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 176 193) no Hoare annotation was computed. [2018-11-10 04:33:37,826 INFO L425 ceAbstractionStarter]: For program point L188(line 188) no Hoare annotation was computed. [2018-11-10 04:33:37,826 INFO L421 ceAbstractionStarter]: At program point L187(line 187) the Hoare annotation is: (let ((.cse1 (fp.div RNE (_ +zero 8 24) (_ +zero 8 24)))) (and (= (let ((.cse0 (fp.sub RNE .cse1 .cse1))) (fp.div RNE .cse0 .cse0)) main_~res~0) (= .cse1 main_~x~0))) [2018-11-10 04:33:37,826 INFO L425 ceAbstractionStarter]: For program point L187-1(lines 187 190) no Hoare annotation was computed. [2018-11-10 04:33:37,826 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 176 193) no Hoare annotation was computed. [2018-11-10 04:33:37,826 INFO L421 ceAbstractionStarter]: At program point L184(line 184) the Hoare annotation is: (= (fp.div RNE (_ +zero 8 24) (_ +zero 8 24)) main_~x~0) [2018-11-10 04:33:37,826 INFO L425 ceAbstractionStarter]: For program point L184-1(line 184) no Hoare annotation was computed. [2018-11-10 04:33:37,826 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 188) no Hoare annotation was computed. [2018-11-10 04:33:37,826 INFO L425 ceAbstractionStarter]: For program point L159(lines 159 163) no Hoare annotation was computed. [2018-11-10 04:33:37,826 INFO L425 ceAbstractionStarter]: For program point L159-2(lines 151 169) no Hoare annotation was computed. [2018-11-10 04:33:37,827 INFO L425 ceAbstractionStarter]: For program point L159-3(lines 159 163) no Hoare annotation was computed. [2018-11-10 04:33:37,827 INFO L425 ceAbstractionStarter]: For program point L122(lines 122 137) no Hoare annotation was computed. [2018-11-10 04:33:37,827 INFO L421 ceAbstractionStarter]: At program point L122-1(lines 122 137) the Hoare annotation is: (and (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (= (bvand __ieee754_asinf_~hx~1 (_ bv2147483647 32)) __ieee754_asinf_~ix~2))) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (not (bvsgt (bvand __ieee754_asinf_~hx~1 (_ bv2147483647 32)) (_ bv1065353216 32))))) (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|)) [2018-11-10 04:33:37,827 INFO L421 ceAbstractionStarter]: At program point L147(line 147) the Hoare annotation is: (and (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (= (bvand __ieee754_asinf_~hx~1 (_ bv2147483647 32)) __ieee754_asinf_~ix~2))) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (not (bvsgt (bvand __ieee754_asinf_~hx~1 (_ bv2147483647 32)) (_ bv1065353216 32))))) (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|)) [2018-11-10 04:33:37,827 INFO L425 ceAbstractionStarter]: For program point L147-1(line 147) no Hoare annotation was computed. [2018-11-10 04:33:37,827 INFO L425 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-10 04:33:37,827 INFO L425 ceAbstractionStarter]: For program point L123(lines 123 136) no Hoare annotation was computed. [2018-11-10 04:33:37,827 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 169) no Hoare annotation was computed. [2018-11-10 04:33:37,827 INFO L425 ceAbstractionStarter]: For program point L148-2(lines 108 174) no Hoare annotation was computed. [2018-11-10 04:33:37,827 INFO L425 ceAbstractionStarter]: For program point L111-1(lines 111 115) no Hoare annotation was computed. [2018-11-10 04:33:37,827 INFO L421 ceAbstractionStarter]: At program point L111-3(lines 111 115) the Hoare annotation is: (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) [2018-11-10 04:33:37,828 INFO L425 ceAbstractionStarter]: For program point L111-4(lines 111 115) no Hoare annotation was computed. [2018-11-10 04:33:37,828 INFO L425 ceAbstractionStarter]: For program point L124(lines 124 125) no Hoare annotation was computed. [2018-11-10 04:33:37,828 INFO L425 ceAbstractionStarter]: For program point L120(lines 120 137) no Hoare annotation was computed. [2018-11-10 04:33:37,828 INFO L428 ceAbstractionStarter]: At program point __ieee754_asinfENTRY(lines 108 174) the Hoare annotation is: true [2018-11-10 04:33:37,828 INFO L425 ceAbstractionStarter]: For program point __ieee754_asinfFINAL(lines 108 174) no Hoare annotation was computed. [2018-11-10 04:33:37,828 INFO L425 ceAbstractionStarter]: For program point __ieee754_asinfEXIT(lines 108 174) no Hoare annotation was computed. [2018-11-10 04:33:37,828 INFO L425 ceAbstractionStarter]: For program point L154-1(lines 154 158) no Hoare annotation was computed. [2018-11-10 04:33:37,828 INFO L421 ceAbstractionStarter]: At program point L154-3(lines 154 158) the Hoare annotation is: (and (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (= (bvand __ieee754_asinf_~hx~1 (_ bv2147483647 32)) __ieee754_asinf_~ix~2))) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (not (bvsgt (bvand __ieee754_asinf_~hx~1 (_ bv2147483647 32)) (_ bv1065353216 32))))) (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|)) [2018-11-10 04:33:37,828 INFO L425 ceAbstractionStarter]: For program point L117(lines 117 137) no Hoare annotation was computed. [2018-11-10 04:33:37,828 INFO L425 ceAbstractionStarter]: For program point L64(lines 64 73) no Hoare annotation was computed. [2018-11-10 04:33:37,828 INFO L425 ceAbstractionStarter]: For program point L32(lines 32 33) no Hoare annotation was computed. [2018-11-10 04:33:37,829 INFO L425 ceAbstractionStarter]: For program point L53-1(lines 53 62) no Hoare annotation was computed. [2018-11-10 04:33:37,829 INFO L428 ceAbstractionStarter]: At program point L53-3(lines 53 62) the Hoare annotation is: true [2018-11-10 04:33:37,829 INFO L425 ceAbstractionStarter]: For program point L53-4(lines 17 82) no Hoare annotation was computed. [2018-11-10 04:33:37,829 INFO L428 ceAbstractionStarter]: At program point __ieee754_sqrtfENTRY(lines 17 82) the Hoare annotation is: true [2018-11-10 04:33:37,829 INFO L425 ceAbstractionStarter]: For program point L45(lines 45 46) no Hoare annotation was computed. [2018-11-10 04:33:37,829 INFO L425 ceAbstractionStarter]: For program point L45-2(lines 45 46) no Hoare annotation was computed. [2018-11-10 04:33:37,829 INFO L425 ceAbstractionStarter]: For program point __ieee754_sqrtfFINAL(lines 17 82) no Hoare annotation was computed. [2018-11-10 04:33:37,829 INFO L425 ceAbstractionStarter]: For program point L66(lines 66 72) no Hoare annotation was computed. [2018-11-10 04:33:37,829 INFO L425 ceAbstractionStarter]: For program point L29(lines 29 30) no Hoare annotation was computed. [2018-11-10 04:33:37,829 INFO L425 ceAbstractionStarter]: For program point __ieee754_sqrtfEXIT(lines 17 82) no Hoare annotation was computed. [2018-11-10 04:33:37,829 INFO L425 ceAbstractionStarter]: For program point L38(lines 38 42) no Hoare annotation was computed. [2018-11-10 04:33:37,829 INFO L425 ceAbstractionStarter]: For program point L38-2(lines 38 42) no Hoare annotation was computed. [2018-11-10 04:33:37,829 INFO L425 ceAbstractionStarter]: For program point L34(lines 34 35) no Hoare annotation was computed. [2018-11-10 04:33:37,829 INFO L425 ceAbstractionStarter]: For program point L55(lines 55 59) no Hoare annotation was computed. [2018-11-10 04:33:37,830 INFO L425 ceAbstractionStarter]: For program point L22-1(lines 22 26) no Hoare annotation was computed. [2018-11-10 04:33:37,830 INFO L425 ceAbstractionStarter]: For program point L55-2(lines 55 59) no Hoare annotation was computed. [2018-11-10 04:33:37,830 INFO L428 ceAbstractionStarter]: At program point L22-3(lines 22 26) the Hoare annotation is: true [2018-11-10 04:33:37,830 INFO L425 ceAbstractionStarter]: For program point L22-4(lines 22 26) no Hoare annotation was computed. [2018-11-10 04:33:37,830 INFO L425 ceAbstractionStarter]: For program point L76-1(lines 76 80) no Hoare annotation was computed. [2018-11-10 04:33:37,830 INFO L428 ceAbstractionStarter]: At program point L76-3(lines 76 80) the Hoare annotation is: true [2018-11-10 04:33:37,830 INFO L425 ceAbstractionStarter]: For program point L76-4(lines 76 80) no Hoare annotation was computed. [2018-11-10 04:33:37,830 INFO L425 ceAbstractionStarter]: For program point L39-1(lines 39 40) no Hoare annotation was computed. [2018-11-10 04:33:37,830 INFO L425 ceAbstractionStarter]: For program point L39-3(lines 39 40) no Hoare annotation was computed. [2018-11-10 04:33:37,830 INFO L425 ceAbstractionStarter]: For program point L68(lines 68 71) no Hoare annotation was computed. [2018-11-10 04:33:37,830 INFO L428 ceAbstractionStarter]: At program point L39-4(lines 39 40) the Hoare annotation is: true [2018-11-10 04:33:37,830 INFO L425 ceAbstractionStarter]: For program point L39-5(lines 39 40) no Hoare annotation was computed. [2018-11-10 04:33:37,837 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 04:33:37,837 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 04:33:37,838 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 04:33:37,838 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 04:33:37,838 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 04:33:37,838 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 04:33:37,838 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 04:33:37,838 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 04:33:37,842 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 04:33:37,842 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 04:33:37,843 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 04:33:37,843 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 04:33:37,843 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 04:33:37,843 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 04:33:37,843 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 04:33:37,843 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 04:33:37,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 04:33:37 BoogieIcfgContainer [2018-11-10 04:33:37,846 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 04:33:37,846 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 04:33:37,846 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 04:33:37,846 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 04:33:37,847 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:33:04" (3/4) ... [2018-11-10 04:33:37,850 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 04:33:37,854 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_float [2018-11-10 04:33:37,854 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 04:33:37,854 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_float [2018-11-10 04:33:37,854 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 04:33:37,855 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_asinf [2018-11-10 04:33:37,855 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrtf [2018-11-10 04:33:37,861 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 122 nodes and edges [2018-11-10 04:33:37,862 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 63 nodes and edges [2018-11-10 04:33:37,862 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-10 04:33:37,863 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-10 04:33:37,882 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-11-10 04:33:37,883 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\old(x) == x && (\exists __ieee754_asinf_~hx~1 : bv32 :: ~fp~LONGDOUBLE(__ieee754_asinf_~hx~1[31:31], __ieee754_asinf_~hx~1[30:23], __ieee754_asinf_~hx~1[22:0]) == \old(x) && ~bvand32(__ieee754_asinf_~hx~1, 2147483647bv32) == ix)) && (\exists __ieee754_asinf_~hx~1 : bv32 :: ~fp~LONGDOUBLE(__ieee754_asinf_~hx~1[31:31], __ieee754_asinf_~hx~1[30:23], __ieee754_asinf_~hx~1[22:0]) == \old(x) && !~bvsgt32(~bvand32(__ieee754_asinf_~hx~1, 2147483647bv32), 1065353216bv32))) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == \old(x) [2018-11-10 04:33:37,918 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_eb0ec58a-7ebe-4c09-b6a1-b861c3d91bc4/bin-2019/utaipan/witness.graphml [2018-11-10 04:33:37,919 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 04:33:37,919 INFO L168 Benchmark]: Toolchain (without parser) took 43907.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 949.8 MB in the beginning and 846.1 MB in the end (delta: 103.6 MB). Peak memory consumption was 230.0 MB. Max. memory is 11.5 GB. [2018-11-10 04:33:37,920 INFO L168 Benchmark]: CDTParser took 0.12 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. [2018-11-10 04:33:37,920 INFO L168 Benchmark]: CACSL2BoogieTranslator took 241.32 ms. Allocated memory is still 1.0 GB. Free memory was 949.8 MB in the beginning and 932.6 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 11.5 GB. [2018-11-10 04:33:37,920 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.92 ms. Allocated memory is still 1.0 GB. Free memory was 932.6 MB in the beginning and 927.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 04:33:37,921 INFO L168 Benchmark]: Boogie Preprocessor took 37.83 ms. Allocated memory is still 1.0 GB. Free memory was 927.2 MB in the beginning and 921.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 04:33:37,921 INFO L168 Benchmark]: RCFGBuilder took 10160.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 921.8 MB in the beginning and 1.1 GB in the end (delta: -141.2 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2018-11-10 04:33:37,921 INFO L168 Benchmark]: TraceAbstraction took 33350.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 853.2 MB in the end (delta: 209.8 MB). Peak memory consumption was 209.8 MB. Max. memory is 11.5 GB. [2018-11-10 04:33:37,921 INFO L168 Benchmark]: Witness Printer took 72.51 ms. Allocated memory is still 1.2 GB. Free memory was 853.2 MB in the beginning and 846.1 MB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2018-11-10 04:33:37,923 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 241.32 ms. Allocated memory is still 1.0 GB. Free memory was 949.8 MB in the beginning and 932.6 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.92 ms. Allocated memory is still 1.0 GB. Free memory was 932.6 MB in the beginning and 927.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.83 ms. Allocated memory is still 1.0 GB. Free memory was 927.2 MB in the beginning and 921.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 10160.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 921.8 MB in the beginning and 1.1 GB in the end (delta: -141.2 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 33350.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 853.2 MB in the end (delta: 209.8 MB). Peak memory consumption was 209.8 MB. Max. memory is 11.5 GB. * Witness Printer took 72.51 ms. Allocated memory is still 1.2 GB. Free memory was 853.2 MB in the beginning and 846.1 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[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 188]: 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: 76]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 154]: Loop Invariant [2018-11-10 04:33:37,926 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 04:33:37,927 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 04:33:37,927 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 04:33:37,927 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 04:33:37,927 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 04:33:37,927 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 04:33:37,927 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 04:33:37,927 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 04:33:37,928 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 04:33:37,928 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 04:33:37,928 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 04:33:37,928 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 04:33:37,929 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 04:33:37,929 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 04:33:37,929 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 04:33:37,929 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] Derived loop invariant: ((\old(x) == x && (\exists __ieee754_asinf_~hx~1 : bv32 :: ~fp~LONGDOUBLE(__ieee754_asinf_~hx~1[31:31], __ieee754_asinf_~hx~1[30:23], __ieee754_asinf_~hx~1[22:0]) == \old(x) && ~bvand32(__ieee754_asinf_~hx~1, 2147483647bv32) == ix)) && (\exists __ieee754_asinf_~hx~1 : bv32 :: ~fp~LONGDOUBLE(__ieee754_asinf_~hx~1[31:31], __ieee754_asinf_~hx~1[30:23], __ieee754_asinf_~hx~1[22:0]) == \old(x) && !~bvsgt32(~bvand32(__ieee754_asinf_~hx~1, 2147483647bv32), 1065353216bv32))) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == \old(x) - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 77 locations, 1 error locations. SAFE Result, 33.3s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 26.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 388 SDtfs, 201 SDslu, 1465 SDs, 0 SdLazy, 186 SolverSat, 23 SolverUnsat, 6 SolverUnknown, 0 SolverNotchecked, 20.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 139 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 8.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=77occurred 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, 5 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 19 LocationsWithAnnotation, 30 PreInvPairs, 40 NumberOfFragments, 191 HoareAnnotationTreeSize, 30 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 19 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 2.4s SatisfiabilityAnalysisTime, 4.2s InterpolantComputationTime, 131 NumberOfCodeBlocks, 131 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 126 ConstructedInterpolants, 20 QuantifiedInterpolants, 18681 SizeOfPredicates, 37 NumberOfNonLiveVariables, 697 ConjunctsInSsa, 48 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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...