./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0971_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_8195e6ec-4e86-4288-89e4-7bfd5659487e/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8195e6ec-4e86-4288-89e4-7bfd5659487e/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8195e6ec-4e86-4288-89e4-7bfd5659487e/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8195e6ec-4e86-4288-89e4-7bfd5659487e/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0971_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8195e6ec-4e86-4288-89e4-7bfd5659487e/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8195e6ec-4e86-4288-89e4-7bfd5659487e/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 1aaf670562012dae9985b4d351583e88df305330 ............................................................................................................................................................................................................................................................................................................................................... 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_8195e6ec-4e86-4288-89e4-7bfd5659487e/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8195e6ec-4e86-4288-89e4-7bfd5659487e/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8195e6ec-4e86-4288-89e4-7bfd5659487e/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8195e6ec-4e86-4288-89e4-7bfd5659487e/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0971_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8195e6ec-4e86-4288-89e4-7bfd5659487e/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8195e6ec-4e86-4288-89e4-7bfd5659487e/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 1aaf670562012dae9985b4d351583e88df305330 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 18:07:32,533 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 18:07:32,534 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 18:07:32,540 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 18:07:32,541 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 18:07:32,541 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 18:07:32,542 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 18:07:32,543 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 18:07:32,543 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 18:07:32,544 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 18:07:32,544 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 18:07:32,544 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 18:07:32,545 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 18:07:32,545 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 18:07:32,546 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 18:07:32,546 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 18:07:32,547 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 18:07:32,548 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 18:07:32,549 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 18:07:32,549 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 18:07:32,550 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 18:07:32,550 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 18:07:32,552 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 18:07:32,552 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 18:07:32,552 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 18:07:32,552 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 18:07:32,553 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 18:07:32,553 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 18:07:32,554 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 18:07:32,554 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 18:07:32,554 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 18:07:32,555 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 18:07:32,555 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 18:07:32,555 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 18:07:32,555 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 18:07:32,556 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 18:07:32,556 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8195e6ec-4e86-4288-89e4-7bfd5659487e/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-08 18:07:32,563 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 18:07:32,563 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 18:07:32,563 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 18:07:32,563 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 18:07:32,564 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-08 18:07:32,564 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-08 18:07:32,564 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-08 18:07:32,564 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-08 18:07:32,564 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-08 18:07:32,564 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-08 18:07:32,564 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-08 18:07:32,564 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-08 18:07:32,564 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-08 18:07:32,565 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 18:07:32,565 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 18:07:32,565 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 18:07:32,565 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 18:07:32,565 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 18:07:32,565 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 18:07:32,565 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 18:07:32,565 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 18:07:32,565 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 18:07:32,565 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 18:07:32,566 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 18:07:32,566 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 18:07:32,566 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 18:07:32,566 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 18:07:32,566 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 18:07:32,566 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 18:07:32,566 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 18:07:32,566 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 18:07:32,566 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 18:07:32,566 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-08 18:07:32,567 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 18:07:32,567 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 18:07:32,567 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-08 18:07:32,567 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_8195e6ec-4e86-4288-89e4-7bfd5659487e/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 -> 1aaf670562012dae9985b4d351583e88df305330 [2018-12-08 18:07:32,584 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 18:07:32,590 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 18:07:32,592 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 18:07:32,593 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 18:07:32,593 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 18:07:32,594 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8195e6ec-4e86-4288-89e4-7bfd5659487e/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0971_true-unreach-call.c [2018-12-08 18:07:32,629 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8195e6ec-4e86-4288-89e4-7bfd5659487e/bin-2019/utaipan/data/cd81883e9/5448ba3c029a4c3280569e48b42207f2/FLAGdbbda5481 [2018-12-08 18:07:32,975 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 18:07:32,976 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8195e6ec-4e86-4288-89e4-7bfd5659487e/sv-benchmarks/c/float-newlib/double_req_bl_0971_true-unreach-call.c [2018-12-08 18:07:32,980 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8195e6ec-4e86-4288-89e4-7bfd5659487e/bin-2019/utaipan/data/cd81883e9/5448ba3c029a4c3280569e48b42207f2/FLAGdbbda5481 [2018-12-08 18:07:33,368 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8195e6ec-4e86-4288-89e4-7bfd5659487e/bin-2019/utaipan/data/cd81883e9/5448ba3c029a4c3280569e48b42207f2 [2018-12-08 18:07:33,372 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 18:07:33,373 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 18:07:33,374 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 18:07:33,374 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 18:07:33,378 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 18:07:33,379 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 06:07:33" (1/1) ... [2018-12-08 18:07:33,383 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a347b11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:07:33, skipping insertion in model container [2018-12-08 18:07:33,383 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 06:07:33" (1/1) ... [2018-12-08 18:07:33,390 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 18:07:33,406 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 18:07:33,522 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 18:07:33,524 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 18:07:33,551 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 18:07:33,592 INFO L195 MainTranslator]: Completed translation [2018-12-08 18:07:33,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:07:33 WrapperNode [2018-12-08 18:07:33,593 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 18:07:33,593 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 18:07:33,593 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 18:07:33,594 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 18:07:33,599 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:07:33" (1/1) ... [2018-12-08 18:07:33,605 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:07:33" (1/1) ... [2018-12-08 18:07:33,610 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 18:07:33,610 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 18:07:33,610 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 18:07:33,610 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 18:07:33,616 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:07:33" (1/1) ... [2018-12-08 18:07:33,617 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:07:33" (1/1) ... [2018-12-08 18:07:33,618 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:07:33" (1/1) ... [2018-12-08 18:07:33,619 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:07:33" (1/1) ... [2018-12-08 18:07:33,627 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:07:33" (1/1) ... [2018-12-08 18:07:33,631 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:07:33" (1/1) ... [2018-12-08 18:07:33,633 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:07:33" (1/1) ... [2018-12-08 18:07:33,635 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 18:07:33,635 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 18:07:33,635 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 18:07:33,635 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 18:07:33,636 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:07:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8195e6ec-4e86-4288-89e4-7bfd5659487e/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 18:07:33,667 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-12-08 18:07:33,667 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-12-08 18:07:33,667 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log10 [2018-12-08 18:07:33,667 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log10 [2018-12-08 18:07:33,667 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log [2018-12-08 18:07:33,667 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log [2018-12-08 18:07:33,668 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 18:07:33,668 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 18:07:33,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-08 18:07:33,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-08 18:07:33,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 18:07:33,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 18:07:33,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-08 18:07:33,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 18:07:33,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 18:07:33,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 18:07:33,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-08 18:07:33,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 18:07:33,893 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 18:07:33,893 INFO L280 CfgBuilder]: Removed 12 assue(true) statements. [2018-12-08 18:07:33,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 06:07:33 BoogieIcfgContainer [2018-12-08 18:07:33,894 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 18:07:33,894 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 18:07:33,894 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 18:07:33,896 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 18:07:33,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 06:07:33" (1/3) ... [2018-12-08 18:07:33,897 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3557111c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 06:07:33, skipping insertion in model container [2018-12-08 18:07:33,897 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:07:33" (2/3) ... [2018-12-08 18:07:33,897 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3557111c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 06:07:33, skipping insertion in model container [2018-12-08 18:07:33,897 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 06:07:33" (3/3) ... [2018-12-08 18:07:33,898 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0971_true-unreach-call.c [2018-12-08 18:07:33,904 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 18:07:33,909 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 18:07:33,919 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 18:07:33,938 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 18:07:33,938 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 18:07:33,938 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 18:07:33,938 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 18:07:33,938 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 18:07:33,938 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 18:07:33,938 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 18:07:33,938 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 18:07:33,949 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states. [2018-12-08 18:07:33,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-08 18:07:33,953 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:07:33,953 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:07:33,954 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:07:33,958 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:07:33,958 INFO L82 PathProgramCache]: Analyzing trace with hash -550785216, now seen corresponding path program 1 times [2018-12-08 18:07:33,959 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 18:07:33,988 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:07:33,988 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:07:33,988 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:07:33,988 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 18:07:34,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:07:34,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:07:34,051 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:07:34,051 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 18:07:34,051 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 18:07:34,054 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-08 18:07:34,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-08 18:07:34,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 18:07:34,063 INFO L87 Difference]: Start difference. First operand 58 states. Second operand 2 states. [2018-12-08 18:07:34,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:07:34,078 INFO L93 Difference]: Finished difference Result 108 states and 163 transitions. [2018-12-08 18:07:34,078 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-08 18:07:34,079 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 22 [2018-12-08 18:07:34,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:07:34,084 INFO L225 Difference]: With dead ends: 108 [2018-12-08 18:07:34,084 INFO L226 Difference]: Without dead ends: 54 [2018-12-08 18:07:34,087 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 18:07:34,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2018-12-08 18:07:34,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2018-12-08 18:07:34,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2018-12-08 18:07:34,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 68 transitions. [2018-12-08 18:07:34,110 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 68 transitions. Word has length 22 [2018-12-08 18:07:34,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:07:34,111 INFO L480 AbstractCegarLoop]: Abstraction has 54 states and 68 transitions. [2018-12-08 18:07:34,111 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-08 18:07:34,111 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 68 transitions. [2018-12-08 18:07:34,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-08 18:07:34,111 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:07:34,111 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:07:34,112 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:07:34,112 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:07:34,112 INFO L82 PathProgramCache]: Analyzing trace with hash -1652815115, now seen corresponding path program 1 times [2018-12-08 18:07:34,112 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 18:07:34,112 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:07:34,113 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:07:34,113 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:07:34,113 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 18:07:34,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 18:07:34,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 18:07:34,168 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-08 18:07:34,192 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 06:07:34 BoogieIcfgContainer [2018-12-08 18:07:34,192 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 18:07:34,192 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 18:07:34,192 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 18:07:34,192 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 18:07:34,193 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 06:07:33" (3/4) ... [2018-12-08 18:07:34,195 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-08 18:07:34,195 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 18:07:34,195 INFO L168 Benchmark]: Toolchain (without parser) took 823.54 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 78.1 MB). Free memory was 952.4 MB in the beginning and 996.1 MB in the end (delta: -43.8 MB). Peak memory consumption was 34.4 MB. Max. memory is 11.5 GB. [2018-12-08 18:07:34,196 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 18:07:34,197 INFO L168 Benchmark]: CACSL2BoogieTranslator took 218.80 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 78.1 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -120.1 MB). Peak memory consumption was 29.6 MB. Max. memory is 11.5 GB. [2018-12-08 18:07:34,197 INFO L168 Benchmark]: Boogie Procedure Inliner took 16.59 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-12-08 18:07:34,197 INFO L168 Benchmark]: Boogie Preprocessor took 24.65 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 18:07:34,198 INFO L168 Benchmark]: RCFGBuilder took 258.71 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 34.2 MB). Peak memory consumption was 34.2 MB. Max. memory is 11.5 GB. [2018-12-08 18:07:34,198 INFO L168 Benchmark]: TraceAbstraction took 297.97 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 996.1 MB in the end (delta: 38.6 MB). Peak memory consumption was 38.6 MB. Max. memory is 11.5 GB. [2018-12-08 18:07:34,198 INFO L168 Benchmark]: Witness Printer took 2.77 ms. Allocated memory is still 1.1 GB. Free memory is still 996.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 18:07:34,200 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 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 218.80 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 78.1 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -120.1 MB). Peak memory consumption was 29.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 16.59 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.65 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 258.71 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 34.2 MB). Peak memory consumption was 34.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 297.97 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 996.1 MB in the end (delta: 38.6 MB). Peak memory consumption was 38.6 MB. Max. memory is 11.5 GB. * Witness Printer took 2.77 ms. Allocated memory is still 1.1 GB. Free memory is still 996.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 175]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 161, overapproximation of bitwiseOr at line 132, overapproximation of someBinaryArithmeticDOUBLEoperation at line 133. Possible FailurePath: [L17-L26] static const double ln2_hi_log = 6.93147180369123816490e-01, ln2_lo_log = 1.90821492927058770002e-10, two54_log = 1.80143985094819840000e+16, Lg1_log = 6.666666666666735130e-01, Lg2_log = 3.999999999940941908e-01, Lg3_log = 2.857142874366239149e-01, Lg4_log = 2.222219843214978396e-01, Lg5_log = 1.818357216161805012e-01, Lg6_log = 1.531383769920937332e-01, Lg7_log = 1.479819860511658591e-01; [L28] static const double zero = 0.0; [L111-L114] static const double two54_log10 = 1.80143985094819840000e+16, ivln10_log10 = 4.34294481903251816668e-01, log10_2hi_log10 = 3.01029995663611771306e-01, log10_2lo_log10 = 3.69423907715893078616e-13; [L116] static const double zero_log10 = 0.0; VAL [\old(ivln10_log10)=8589934602, \old(Lg1_log)=8589934599, \old(Lg2_log)=8589934600, \old(Lg3_log)=8589934601, \old(Lg4_log)=8589934604, \old(Lg5_log)=8589934605, \old(Lg6_log)=8589934613, \old(Lg7_log)=8589934610, \old(ln2_hi_log)=8589934592, \old(ln2_lo_log)=8589934594, \old(log10_2hi_log10)=8589934595, \old(log10_2lo_log10)=8589934612, \old(two54_log)=8589934614, \old(two54_log10)=8589934596, \old(zero)=8589934616, \old(zero_log10)=8589934607, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L170] double x = 0.0 / 0.0; VAL [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L171] CALL, EXPR __ieee754_log10(x) VAL [\old(x)=8589934611, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L119] double y, z; [L120] __int32_t i, k, hx; [L121] __uint32_t lx; VAL [\old(x)=8589934611, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, x=8589934611, zero=0, zero_log10=0] [L124] ieee_double_shape_type ew_u; [L125] ew_u.value = (x) [L126] EXPR ew_u.parts.msw [L126] (hx) = ew_u.parts.msw [L127] EXPR ew_u.parts.lsw [L127] (lx) = ew_u.parts.lsw [L130] k = 0 VAL [\old(x)=8589934611, hx=-1, ivln10_log10=108573620475812954167/250000000000000000000, k=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, lx=5, two54_log=18014398509481984, two54_log10=18014398509481984, x=8589934611, zero=0, zero_log10=0] [L131] COND TRUE hx < 0x00100000 VAL [\old(x)=8589934611, hx=-1, ivln10_log10=108573620475812954167/250000000000000000000, k=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, lx=5, two54_log=18014398509481984, two54_log10=18014398509481984, x=8589934611, zero=0, zero_log10=0] [L132] COND TRUE ((hx & 0x7fffffff) | lx) == 0 [L133] return -two54_log10 / zero_log10; VAL [\old(x)=8589934611, hx=-1, ivln10_log10=108573620475812954167/250000000000000000000, k=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, lx=5, two54_log=18014398509481984, two54_log10=18014398509481984, x=8589934611, zero=0, zero_log10=0] [L171] RET, EXPR __ieee754_log10(x) VAL [__ieee754_log10(x)=8589934593, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, x=8589934611, zero=0, zero_log10=0] [L171] double res = __ieee754_log10(x); [L174] CALL, EXPR isnan_double(res) VAL [\old(x)=8589934593, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L161] return x != x; VAL [\old(x)=8589934593, \result=0, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, x=8589934593, zero=0, zero_log10=0] [L174] RET, EXPR isnan_double(res) VAL [isnan_double(res)=0, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, res=8589934593, two54_log=18014398509481984, two54_log10=18014398509481984, x=8589934611, zero=0, zero_log10=0] [L174] COND TRUE !isnan_double(res) [L175] __VERIFIER_error() VAL [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, res=8589934593, two54_log=18014398509481984, two54_log10=18014398509481984, x=8589934611, zero=0, zero_log10=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 58 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 72 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=58occurred 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, 45 NumberOfCodeBlocks, 45 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 441 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-08 18:07:35,441 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 18:07:35,442 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 18:07:35,448 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 18:07:35,448 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 18:07:35,449 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 18:07:35,449 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 18:07:35,450 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 18:07:35,451 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 18:07:35,451 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 18:07:35,452 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 18:07:35,452 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 18:07:35,452 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 18:07:35,453 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 18:07:35,453 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 18:07:35,454 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 18:07:35,454 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 18:07:35,455 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 18:07:35,456 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 18:07:35,457 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 18:07:35,457 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 18:07:35,458 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 18:07:35,460 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 18:07:35,460 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 18:07:35,460 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 18:07:35,461 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 18:07:35,461 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 18:07:35,462 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 18:07:35,463 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 18:07:35,463 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 18:07:35,464 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 18:07:35,464 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 18:07:35,464 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 18:07:35,464 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 18:07:35,465 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 18:07:35,465 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 18:07:35,465 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8195e6ec-4e86-4288-89e4-7bfd5659487e/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-08 18:07:35,476 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 18:07:35,476 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 18:07:35,477 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 18:07:35,477 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 18:07:35,477 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-08 18:07:35,477 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-08 18:07:35,477 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-08 18:07:35,477 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-08 18:07:35,477 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-08 18:07:35,478 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-08 18:07:35,478 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 18:07:35,478 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 18:07:35,478 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 18:07:35,478 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 18:07:35,478 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 18:07:35,479 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 18:07:35,479 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 18:07:35,479 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-08 18:07:35,479 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-08 18:07:35,479 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 18:07:35,479 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 18:07:35,479 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 18:07:35,479 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 18:07:35,480 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 18:07:35,480 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 18:07:35,480 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 18:07:35,480 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 18:07:35,480 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 18:07:35,480 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 18:07:35,480 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 18:07:35,480 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 18:07:35,480 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-08 18:07:35,480 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 18:07:35,480 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-08 18:07:35,480 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-08 18:07:35,481 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_8195e6ec-4e86-4288-89e4-7bfd5659487e/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 -> 1aaf670562012dae9985b4d351583e88df305330 [2018-12-08 18:07:35,505 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 18:07:35,514 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 18:07:35,516 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 18:07:35,518 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 18:07:35,518 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 18:07:35,518 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8195e6ec-4e86-4288-89e4-7bfd5659487e/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0971_true-unreach-call.c [2018-12-08 18:07:35,561 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8195e6ec-4e86-4288-89e4-7bfd5659487e/bin-2019/utaipan/data/28ab4a228/75d55a17eb654d9587808f98cc9c2737/FLAG60aae2d18 [2018-12-08 18:07:35,965 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 18:07:35,965 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8195e6ec-4e86-4288-89e4-7bfd5659487e/sv-benchmarks/c/float-newlib/double_req_bl_0971_true-unreach-call.c [2018-12-08 18:07:35,971 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8195e6ec-4e86-4288-89e4-7bfd5659487e/bin-2019/utaipan/data/28ab4a228/75d55a17eb654d9587808f98cc9c2737/FLAG60aae2d18 [2018-12-08 18:07:35,979 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8195e6ec-4e86-4288-89e4-7bfd5659487e/bin-2019/utaipan/data/28ab4a228/75d55a17eb654d9587808f98cc9c2737 [2018-12-08 18:07:35,981 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 18:07:35,982 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 18:07:35,982 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 18:07:35,983 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 18:07:35,985 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 18:07:35,985 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 06:07:35" (1/1) ... [2018-12-08 18:07:35,987 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36a0bb1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:07:35, skipping insertion in model container [2018-12-08 18:07:35,987 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 06:07:35" (1/1) ... [2018-12-08 18:07:35,993 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 18:07:36,011 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 18:07:36,137 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 18:07:36,141 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 18:07:36,171 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 18:07:36,187 INFO L195 MainTranslator]: Completed translation [2018-12-08 18:07:36,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:07:36 WrapperNode [2018-12-08 18:07:36,188 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 18:07:36,188 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 18:07:36,188 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 18:07:36,188 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 18:07:36,193 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:07:36" (1/1) ... [2018-12-08 18:07:36,201 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:07:36" (1/1) ... [2018-12-08 18:07:36,233 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 18:07:36,233 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 18:07:36,233 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 18:07:36,233 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 18:07:36,239 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:07:36" (1/1) ... [2018-12-08 18:07:36,239 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:07:36" (1/1) ... [2018-12-08 18:07:36,242 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:07:36" (1/1) ... [2018-12-08 18:07:36,242 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:07:36" (1/1) ... [2018-12-08 18:07:36,251 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:07:36" (1/1) ... [2018-12-08 18:07:36,255 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:07:36" (1/1) ... [2018-12-08 18:07:36,257 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:07:36" (1/1) ... [2018-12-08 18:07:36,259 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 18:07:36,260 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 18:07:36,260 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 18:07:36,260 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 18:07:36,260 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:07:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8195e6ec-4e86-4288-89e4-7bfd5659487e/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 18:07:36,289 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-12-08 18:07:36,290 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-12-08 18:07:36,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-12-08 18:07:36,290 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log10 [2018-12-08 18:07:36,290 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log10 [2018-12-08 18:07:36,290 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log [2018-12-08 18:07:36,290 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log [2018-12-08 18:07:36,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-12-08 18:07:36,290 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 18:07:36,290 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 18:07:36,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 18:07:36,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 18:07:36,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 18:07:36,291 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-08 18:07:36,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 18:07:36,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 18:07:36,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-08 18:07:36,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 18:07:36,415 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:07:40,444 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:07:40,531 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:07:46,846 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:08:05,096 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:08:05,154 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:08:05,385 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 18:08:05,385 INFO L280 CfgBuilder]: Removed 12 assue(true) statements. [2018-12-08 18:08:05,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 06:08:05 BoogieIcfgContainer [2018-12-08 18:08:05,385 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 18:08:05,386 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 18:08:05,386 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 18:08:05,388 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 18:08:05,388 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 06:07:35" (1/3) ... [2018-12-08 18:08:05,388 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cbe2cbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 06:08:05, skipping insertion in model container [2018-12-08 18:08:05,388 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:07:36" (2/3) ... [2018-12-08 18:08:05,388 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cbe2cbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 06:08:05, skipping insertion in model container [2018-12-08 18:08:05,389 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 06:08:05" (3/3) ... [2018-12-08 18:08:05,389 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0971_true-unreach-call.c [2018-12-08 18:08:05,395 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 18:08:05,399 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 18:08:05,409 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 18:08:05,425 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 18:08:05,426 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 18:08:05,426 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 18:08:05,426 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 18:08:05,426 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 18:08:05,426 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 18:08:05,426 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 18:08:05,426 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 18:08:05,426 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 18:08:05,436 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states. [2018-12-08 18:08:05,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-08 18:08:05,440 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:08:05,440 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:08:05,441 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:08:05,444 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:08:05,445 INFO L82 PathProgramCache]: Analyzing trace with hash -1509043075, now seen corresponding path program 1 times [2018-12-08 18:08:05,447 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 18:08:05,447 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8195e6ec-4e86-4288-89e4-7bfd5659487e/bin-2019/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-12-08 18:08:05,451 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:08:06,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:08:06,148 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 18:08:06,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:08:06,161 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 18:08:06,178 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:08:06,178 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 18:08:06,180 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-08 18:08:06,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-08 18:08:06,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 18:08:06,189 INFO L87 Difference]: Start difference. First operand 57 states. Second operand 2 states. [2018-12-08 18:08:06,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:08:06,205 INFO L93 Difference]: Finished difference Result 106 states and 161 transitions. [2018-12-08 18:08:06,205 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-08 18:08:06,206 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 21 [2018-12-08 18:08:06,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:08:06,214 INFO L225 Difference]: With dead ends: 106 [2018-12-08 18:08:06,214 INFO L226 Difference]: Without dead ends: 53 [2018-12-08 18:08:06,217 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 18:08:06,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-12-08 18:08:06,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2018-12-08 18:08:06,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-12-08 18:08:06,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 67 transitions. [2018-12-08 18:08:06,241 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 67 transitions. Word has length 21 [2018-12-08 18:08:06,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:08:06,241 INFO L480 AbstractCegarLoop]: Abstraction has 53 states and 67 transitions. [2018-12-08 18:08:06,241 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-08 18:08:06,241 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 67 transitions. [2018-12-08 18:08:06,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-08 18:08:06,242 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:08:06,242 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:08:06,242 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:08:06,242 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:08:06,242 INFO L82 PathProgramCache]: Analyzing trace with hash -898305620, now seen corresponding path program 1 times [2018-12-08 18:08:06,243 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 18:08:06,243 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8195e6ec-4e86-4288-89e4-7bfd5659487e/bin-2019/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-12-08 18:08:06,246 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:08:06,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:08:06,929 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 18:08:07,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:08:07,026 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 18:08:07,040 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:08:07,040 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 18:08:07,041 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 18:08:07,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 18:08:07,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 18:08:07,042 INFO L87 Difference]: Start difference. First operand 53 states and 67 transitions. Second operand 6 states. [2018-12-08 18:08:12,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:08:12,012 INFO L93 Difference]: Finished difference Result 67 states and 81 transitions. [2018-12-08 18:08:12,018 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 18:08:12,018 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2018-12-08 18:08:12,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:08:12,020 INFO L225 Difference]: With dead ends: 67 [2018-12-08 18:08:12,020 INFO L226 Difference]: Without dead ends: 57 [2018-12-08 18:08:12,020 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-08 18:08:12,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-12-08 18:08:12,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 53. [2018-12-08 18:08:12,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-12-08 18:08:12,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 66 transitions. [2018-12-08 18:08:12,025 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 66 transitions. Word has length 22 [2018-12-08 18:08:12,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:08:12,025 INFO L480 AbstractCegarLoop]: Abstraction has 53 states and 66 transitions. [2018-12-08 18:08:12,025 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 18:08:12,025 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 66 transitions. [2018-12-08 18:08:12,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-08 18:08:12,026 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:08:12,026 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:08:12,026 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:08:12,026 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:08:12,026 INFO L82 PathProgramCache]: Analyzing trace with hash -2001373173, now seen corresponding path program 1 times [2018-12-08 18:08:12,026 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 18:08:12,027 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8195e6ec-4e86-4288-89e4-7bfd5659487e/bin-2019/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-12-08 18:08:12,029 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:08:12,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:08:12,131 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 18:08:12,864 WARN L180 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 5 [2018-12-08 18:08:13,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:08:13,491 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 18:08:13,500 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:08:13,500 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-08 18:08:13,500 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 18:08:13,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 18:08:13,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-08 18:08:13,501 INFO L87 Difference]: Start difference. First operand 53 states and 66 transitions. Second operand 9 states. [2018-12-08 18:08:14,634 WARN L180 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-12-08 18:08:22,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:08:22,356 INFO L93 Difference]: Finished difference Result 64 states and 78 transitions. [2018-12-08 18:08:22,469 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-08 18:08:22,469 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2018-12-08 18:08:22,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:08:22,470 INFO L225 Difference]: With dead ends: 64 [2018-12-08 18:08:22,470 INFO L226 Difference]: Without dead ends: 57 [2018-12-08 18:08:22,470 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-12-08 18:08:22,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-12-08 18:08:22,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 54. [2018-12-08 18:08:22,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2018-12-08 18:08:22,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 67 transitions. [2018-12-08 18:08:22,478 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 67 transitions. Word has length 22 [2018-12-08 18:08:22,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:08:22,478 INFO L480 AbstractCegarLoop]: Abstraction has 54 states and 67 transitions. [2018-12-08 18:08:22,479 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 18:08:22,479 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 67 transitions. [2018-12-08 18:08:22,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-08 18:08:22,479 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:08:22,479 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:08:22,480 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:08:22,480 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:08:22,480 INFO L82 PathProgramCache]: Analyzing trace with hash 1147051480, now seen corresponding path program 1 times [2018-12-08 18:08:22,480 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 18:08:22,480 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8195e6ec-4e86-4288-89e4-7bfd5659487e/bin-2019/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-12-08 18:08:22,484 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:08:23,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:08:23,191 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 18:08:25,581 WARN L854 $PredicateComparison]: unable to prove that (and (= (fp.div roundNearestTiesToEven (fp.sub roundNearestTiesToEven |c___ieee754_log10_#in~x| |c___ieee754_log10_#in~x|) c_~zero_log10~0) |c___ieee754_log10_#res|) (= (_ +zero 11 53) c_~zero_log10~0)) is different from true [2018-12-08 18:08:25,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:08:25,666 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 18:08:25,680 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:08:25,680 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-08 18:08:25,680 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-08 18:08:25,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-08 18:08:25,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=56, Unknown=1, NotChecked=14, Total=90 [2018-12-08 18:08:25,681 INFO L87 Difference]: Start difference. First operand 54 states and 67 transitions. Second operand 10 states. [2018-12-08 18:08:30,187 WARN L854 $PredicateComparison]: unable to prove that (and (= (fp.div roundNearestTiesToEven (fp.sub roundNearestTiesToEven |c___ieee754_log10_#in~x| |c___ieee754_log10_#in~x|) c_~zero_log10~0) |c___ieee754_log10_#res|) (= c___ieee754_log10_~x |c___ieee754_log10_#in~x|) (= (_ +zero 11 53) c_~zero_log10~0)) is different from true [2018-12-08 18:08:32,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:08:32,437 INFO L93 Difference]: Finished difference Result 62 states and 75 transitions. [2018-12-08 18:08:32,438 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-08 18:08:32,438 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 23 [2018-12-08 18:08:32,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:08:32,439 INFO L225 Difference]: With dead ends: 62 [2018-12-08 18:08:32,439 INFO L226 Difference]: Without dead ends: 55 [2018-12-08 18:08:32,440 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=42, Invalid=120, Unknown=2, NotChecked=46, Total=210 [2018-12-08 18:08:32,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-12-08 18:08:32,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 54. [2018-12-08 18:08:32,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2018-12-08 18:08:32,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 66 transitions. [2018-12-08 18:08:32,446 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 66 transitions. Word has length 23 [2018-12-08 18:08:32,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:08:32,446 INFO L480 AbstractCegarLoop]: Abstraction has 54 states and 66 transitions. [2018-12-08 18:08:32,446 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-08 18:08:32,447 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 66 transitions. [2018-12-08 18:08:32,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-08 18:08:32,447 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:08:32,447 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:08:32,448 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:08:32,448 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:08:32,448 INFO L82 PathProgramCache]: Analyzing trace with hash -1259065987, now seen corresponding path program 1 times [2018-12-08 18:08:32,448 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 18:08:32,448 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8195e6ec-4e86-4288-89e4-7bfd5659487e/bin-2019/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-12-08 18:08:32,452 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:08:32,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:08:32,731 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 18:08:32,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:08:32,842 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 18:08:32,852 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:08:32,852 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 18:08:32,852 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 18:08:32,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 18:08:32,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-08 18:08:32,853 INFO L87 Difference]: Start difference. First operand 54 states and 66 transitions. Second operand 7 states. [2018-12-08 18:08:34,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:08:34,273 INFO L93 Difference]: Finished difference Result 68 states and 80 transitions. [2018-12-08 18:08:34,274 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 18:08:34,274 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2018-12-08 18:08:34,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:08:34,275 INFO L225 Difference]: With dead ends: 68 [2018-12-08 18:08:34,275 INFO L226 Difference]: Without dead ends: 49 [2018-12-08 18:08:34,275 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-08 18:08:34,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2018-12-08 18:08:34,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2018-12-08 18:08:34,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-12-08 18:08:34,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 59 transitions. [2018-12-08 18:08:34,279 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 59 transitions. Word has length 26 [2018-12-08 18:08:34,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:08:34,279 INFO L480 AbstractCegarLoop]: Abstraction has 49 states and 59 transitions. [2018-12-08 18:08:34,279 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 18:08:34,279 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 59 transitions. [2018-12-08 18:08:34,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-08 18:08:34,280 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:08:34,280 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:08:34,280 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:08:34,280 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:08:34,280 INFO L82 PathProgramCache]: Analyzing trace with hash 1790933833, now seen corresponding path program 1 times [2018-12-08 18:08:34,281 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 18:08:34,281 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8195e6ec-4e86-4288-89e4-7bfd5659487e/bin-2019/utaipan/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2018-12-08 18:08:34,283 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:08:35,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:08:35,162 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 18:08:35,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:08:35,251 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 18:08:35,268 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:08:35,268 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 18:08:35,268 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 18:08:35,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 18:08:35,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-08 18:08:35,269 INFO L87 Difference]: Start difference. First operand 49 states and 59 transitions. Second operand 7 states. [2018-12-08 18:08:35,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:08:35,923 INFO L93 Difference]: Finished difference Result 49 states and 59 transitions. [2018-12-08 18:08:35,925 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 18:08:35,925 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 34 [2018-12-08 18:08:35,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:08:35,925 INFO L225 Difference]: With dead ends: 49 [2018-12-08 18:08:35,925 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 18:08:35,925 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2018-12-08 18:08:35,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 18:08:35,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 18:08:35,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 18:08:35,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 18:08:35,926 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2018-12-08 18:08:35,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:08:35,926 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 18:08:35,926 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 18:08:35,926 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 18:08:35,926 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 18:08:35,929 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 18:08:36,257 INFO L451 ceAbstractionStarter]: At program point isnan_doubleENTRY(line 161) the Hoare annotation is: true [2018-12-08 18:08:36,258 INFO L448 ceAbstractionStarter]: For program point isnan_doubleEXIT(line 161) no Hoare annotation was computed. [2018-12-08 18:08:36,258 INFO L448 ceAbstractionStarter]: For program point isnan_doubleFINAL(line 161) no Hoare annotation was computed. [2018-12-08 18:08:36,258 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-08 18:08:36,258 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-08 18:08:36,258 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 18:08:36,258 INFO L448 ceAbstractionStarter]: For program point L131(lines 131 143) no Hoare annotation was computed. [2018-12-08 18:08:36,258 INFO L448 ceAbstractionStarter]: For program point __ieee754_log10EXIT(lines 118 158) no Hoare annotation was computed. [2018-12-08 18:08:36,258 INFO L448 ceAbstractionStarter]: For program point L131-1(lines 118 158) no Hoare annotation was computed. [2018-12-08 18:08:36,258 INFO L448 ceAbstractionStarter]: For program point L156(line 156) no Hoare annotation was computed. [2018-12-08 18:08:36,258 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 123 128) no Hoare annotation was computed. [2018-12-08 18:08:36,258 INFO L444 ceAbstractionStarter]: At program point L123-2(lines 123 128) the Hoare annotation is: (or (not (= (_ +zero 11 53) ~zero_log10~0)) (= __ieee754_log10_~x |__ieee754_log10_#in~x|)) [2018-12-08 18:08:36,258 INFO L448 ceAbstractionStarter]: For program point L123-3(lines 123 128) no Hoare annotation was computed. [2018-12-08 18:08:36,259 INFO L448 ceAbstractionStarter]: For program point L132(lines 132 133) no Hoare annotation was computed. [2018-12-08 18:08:36,259 INFO L448 ceAbstractionStarter]: For program point __ieee754_log10FINAL(lines 118 158) no Hoare annotation was computed. [2018-12-08 18:08:36,259 INFO L451 ceAbstractionStarter]: At program point __ieee754_log10ENTRY(lines 118 158) the Hoare annotation is: true [2018-12-08 18:08:36,259 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 150 155) no Hoare annotation was computed. [2018-12-08 18:08:36,259 INFO L444 ceAbstractionStarter]: At program point L150-2(lines 150 155) the Hoare annotation is: (or (and (= __ieee754_log10_~x |__ieee754_log10_#in~x|) (exists ((v_prenex_15 (_ BitVec 64))) (let ((.cse0 ((_ extract 63 32) v_prenex_15))) (and (= |__ieee754_log10_#in~x| (fp ((_ extract 63 63) v_prenex_15) ((_ extract 62 52) v_prenex_15) ((_ extract 51 0) v_prenex_15))) (not (bvslt .cse0 (_ bv1048576 32))) (not (bvsge .cse0 (_ bv2146435072 32))))))) (not (= (_ +zero 11 53) ~zero_log10~0)) (exists ((v_prenex_14 (_ BitVec 64))) (let ((.cse1 ((_ extract 63 32) v_prenex_14))) (and (not (bvslt .cse1 (_ bv0 32))) (bvslt .cse1 (_ bv1048576 32)) (= (fp ((_ extract 63 63) v_prenex_14) ((_ extract 62 52) v_prenex_14) ((_ extract 51 0) v_prenex_14)) |__ieee754_log10_#in~x|))))) [2018-12-08 18:08:36,259 INFO L444 ceAbstractionStarter]: At program point L150-3(lines 150 155) the Hoare annotation is: (or (not (= (_ +zero 11 53) ~zero_log10~0)) (exists ((v_prenex_15 (_ BitVec 64))) (let ((.cse0 ((_ extract 63 32) v_prenex_15))) (and (= |__ieee754_log10_#in~x| (fp ((_ extract 63 63) v_prenex_15) ((_ extract 62 52) v_prenex_15) ((_ extract 51 0) v_prenex_15))) (not (bvslt .cse0 (_ bv1048576 32))) (not (bvsge .cse0 (_ bv2146435072 32)))))) (exists ((v_prenex_14 (_ BitVec 64))) (let ((.cse1 ((_ extract 63 32) v_prenex_14))) (and (not (bvslt .cse1 (_ bv0 32))) (bvslt .cse1 (_ bv1048576 32)) (= (fp ((_ extract 63 63) v_prenex_14) ((_ extract 62 52) v_prenex_14) ((_ extract 51 0) v_prenex_14)) |__ieee754_log10_#in~x|))))) [2018-12-08 18:08:36,259 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 138 142) no Hoare annotation was computed. [2018-12-08 18:08:36,259 INFO L444 ceAbstractionStarter]: At program point L138-2(lines 138 142) the Hoare annotation is: (or (and (exists ((v_prenex_14 (_ BitVec 64))) (let ((.cse0 ((_ extract 63 32) v_prenex_14))) (and (not (bvslt .cse0 (_ bv0 32))) (bvslt .cse0 (_ bv1048576 32)) (= (fp ((_ extract 63 63) v_prenex_14) ((_ extract 62 52) v_prenex_14) ((_ extract 51 0) v_prenex_14)) |__ieee754_log10_#in~x|)))) (exists ((v_prenex_13 (_ BitVec 64))) (and (= (fp ((_ extract 63 63) v_prenex_13) ((_ extract 62 52) v_prenex_13) ((_ extract 51 0) v_prenex_13)) |__ieee754_log10_#in~x|) (= __ieee754_log10_~hx~1 ((_ extract 63 32) v_prenex_13))))) (not (= (_ +zero 11 53) ~zero_log10~0))) [2018-12-08 18:08:36,259 INFO L448 ceAbstractionStarter]: For program point L134(lines 134 135) no Hoare annotation was computed. [2018-12-08 18:08:36,259 INFO L451 ceAbstractionStarter]: At program point L35-2(lines 35 40) the Hoare annotation is: true [2018-12-08 18:08:36,259 INFO L448 ceAbstractionStarter]: For program point L35-3(lines 35 40) no Hoare annotation was computed. [2018-12-08 18:08:36,260 INFO L448 ceAbstractionStarter]: For program point __ieee754_logEXIT(lines 30 109) no Hoare annotation was computed. [2018-12-08 18:08:36,260 INFO L448 ceAbstractionStarter]: For program point L44(lines 44 45) no Hoare annotation was computed. [2018-12-08 18:08:36,260 INFO L448 ceAbstractionStarter]: For program point L69(lines 69 85) no Hoare annotation was computed. [2018-12-08 18:08:36,260 INFO L448 ceAbstractionStarter]: For program point L98(lines 98 102) no Hoare annotation was computed. [2018-12-08 18:08:36,260 INFO L448 ceAbstractionStarter]: For program point L61-1(lines 61 66) no Hoare annotation was computed. [2018-12-08 18:08:36,260 INFO L451 ceAbstractionStarter]: At program point L61-2(lines 61 66) the Hoare annotation is: true [2018-12-08 18:08:36,260 INFO L448 ceAbstractionStarter]: For program point L61-3(lines 61 66) no Hoare annotation was computed. [2018-12-08 18:08:36,260 INFO L448 ceAbstractionStarter]: For program point L70(lines 70 77) no Hoare annotation was computed. [2018-12-08 18:08:36,260 INFO L448 ceAbstractionStarter]: For program point L50-1(lines 50 54) no Hoare annotation was computed. [2018-12-08 18:08:36,260 INFO L451 ceAbstractionStarter]: At program point L50-2(lines 50 54) the Hoare annotation is: true [2018-12-08 18:08:36,260 INFO L448 ceAbstractionStarter]: For program point L79(lines 79 84) no Hoare annotation was computed. [2018-12-08 18:08:36,260 INFO L448 ceAbstractionStarter]: For program point L46(lines 46 47) no Hoare annotation was computed. [2018-12-08 18:08:36,260 INFO L451 ceAbstractionStarter]: At program point __ieee754_logENTRY(lines 30 109) the Hoare annotation is: true [2018-12-08 18:08:36,260 INFO L448 ceAbstractionStarter]: For program point __ieee754_logFINAL(lines 30 109) no Hoare annotation was computed. [2018-12-08 18:08:36,260 INFO L448 ceAbstractionStarter]: For program point L104(lines 104 107) no Hoare annotation was computed. [2018-12-08 18:08:36,260 INFO L448 ceAbstractionStarter]: For program point L71(lines 71 76) no Hoare annotation was computed. [2018-12-08 18:08:36,261 INFO L448 ceAbstractionStarter]: For program point L96(lines 96 108) no Hoare annotation was computed. [2018-12-08 18:08:36,261 INFO L448 ceAbstractionStarter]: For program point L43(lines 43 55) no Hoare annotation was computed. [2018-12-08 18:08:36,261 INFO L448 ceAbstractionStarter]: For program point L43-1(lines 30 109) no Hoare annotation was computed. [2018-12-08 18:08:36,261 INFO L448 ceAbstractionStarter]: For program point L35-1(lines 35 40) no Hoare annotation was computed. [2018-12-08 18:08:36,261 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 18:08:36,261 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (= (_ +zero 11 53) ~zero_log10~0) [2018-12-08 18:08:36,261 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 18:08:36,261 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 18:08:36,261 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-12-08 18:08:36,261 INFO L444 ceAbstractionStarter]: At program point L174(line 174) the Hoare annotation is: (or (let ((.cse0 (fp.div roundNearestTiesToEven (_ +zero 11 53) (_ +zero 11 53)))) (and (= main_~x~0 .cse0) (= main_~res~0 (fp.add roundNearestTiesToEven .cse0 .cse0)))) (not (= (_ +zero 11 53) ~zero_log10~0))) [2018-12-08 18:08:36,261 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 163 180) the Hoare annotation is: true [2018-12-08 18:08:36,261 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 174 177) no Hoare annotation was computed. [2018-12-08 18:08:36,261 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 163 180) no Hoare annotation was computed. [2018-12-08 18:08:36,261 INFO L444 ceAbstractionStarter]: At program point L171(line 171) the Hoare annotation is: (or (not (= (_ +zero 11 53) ~zero_log10~0)) (= main_~x~0 (fp.div roundNearestTiesToEven (_ +zero 11 53) (_ +zero 11 53)))) [2018-12-08 18:08:36,261 INFO L448 ceAbstractionStarter]: For program point L171-1(line 171) no Hoare annotation was computed. [2018-12-08 18:08:36,262 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 163 180) no Hoare annotation was computed. [2018-12-08 18:08:36,262 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 175) no Hoare annotation was computed. [2018-12-08 18:08:36,265 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-12-08 18:08:36,265 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-12-08 18:08:36,265 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-12-08 18:08:36,265 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-12-08 18:08:36,266 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-12-08 18:08:36,266 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-12-08 18:08:36,266 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-12-08 18:08:36,266 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-12-08 18:08:36,266 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-12-08 18:08:36,270 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-12-08 18:08:36,270 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-12-08 18:08:36,270 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-12-08 18:08:36,270 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-12-08 18:08:36,270 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-12-08 18:08:36,271 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-12-08 18:08:36,271 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-12-08 18:08:36,271 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-12-08 18:08:36,271 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-12-08 18:08:36,272 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-12-08 18:08:36,272 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-12-08 18:08:36,272 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-12-08 18:08:36,272 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-12-08 18:08:36,272 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-12-08 18:08:36,273 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-12-08 18:08:36,273 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-12-08 18:08:36,273 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-12-08 18:08:36,273 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-12-08 18:08:36,273 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-12-08 18:08:36,273 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-12-08 18:08:36,273 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-12-08 18:08:36,274 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-12-08 18:08:36,274 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-12-08 18:08:36,274 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-12-08 18:08:36,274 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-12-08 18:08:36,274 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-12-08 18:08:36,274 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-12-08 18:08:36,274 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-12-08 18:08:36,275 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-12-08 18:08:36,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 06:08:36 BoogieIcfgContainer [2018-12-08 18:08:36,276 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 18:08:36,276 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 18:08:36,276 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 18:08:36,276 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 18:08:36,276 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 06:08:05" (3/4) ... [2018-12-08 18:08:36,279 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 18:08:36,282 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_double [2018-12-08 18:08:36,283 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 18:08:36,283 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_log10 [2018-12-08 18:08:36,283 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_log [2018-12-08 18:08:36,283 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 18:08:36,287 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 44 nodes and edges [2018-12-08 18:08:36,287 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2018-12-08 18:08:36,287 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-08 18:08:36,287 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-08 18:08:36,303 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(~Pluszero~LONGDOUBLE() == zero_log10) || x == \old(x) [2018-12-08 18:08:36,303 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\exists v_prenex_14 : bv64 :: (!~bvslt32(v_prenex_14[63:32], 0bv32) && ~bvslt32(v_prenex_14[63:32], 1048576bv32)) && ~fp~LONGDOUBLE(v_prenex_14[63:63], v_prenex_14[62:52], v_prenex_14[51:0]) == \old(x)) && (\exists v_prenex_13 : bv64 :: ~fp~LONGDOUBLE(v_prenex_13[63:63], v_prenex_13[62:52], v_prenex_13[51:0]) == \old(x) && hx == v_prenex_13[63:32])) || !(~Pluszero~LONGDOUBLE() == zero_log10) [2018-12-08 18:08:36,303 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((x == \old(x) && (\exists v_prenex_15 : bv64 :: (\old(x) == ~fp~LONGDOUBLE(v_prenex_15[63:63], v_prenex_15[62:52], v_prenex_15[51:0]) && !~bvslt32(v_prenex_15[63:32], 1048576bv32)) && !~bvsge32(v_prenex_15[63:32], 2146435072bv32))) || !(~Pluszero~LONGDOUBLE() == zero_log10)) || (\exists v_prenex_14 : bv64 :: (!~bvslt32(v_prenex_14[63:32], 0bv32) && ~bvslt32(v_prenex_14[63:32], 1048576bv32)) && ~fp~LONGDOUBLE(v_prenex_14[63:63], v_prenex_14[62:52], v_prenex_14[51:0]) == \old(x)) [2018-12-08 18:08:36,322 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8195e6ec-4e86-4288-89e4-7bfd5659487e/bin-2019/utaipan/witness.graphml [2018-12-08 18:08:36,323 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 18:08:36,323 INFO L168 Benchmark]: Toolchain (without parser) took 60341.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 944.7 MB in the beginning and 817.1 MB in the end (delta: 127.6 MB). Peak memory consumption was 264.5 MB. Max. memory is 11.5 GB. [2018-12-08 18:08:36,324 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 18:08:36,324 INFO L168 Benchmark]: CACSL2BoogieTranslator took 205.27 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 928.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-08 18:08:36,324 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -203.3 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. [2018-12-08 18:08:36,324 INFO L168 Benchmark]: Boogie Preprocessor took 26.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-12-08 18:08:36,325 INFO L168 Benchmark]: RCFGBuilder took 29125.83 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: 46.1 MB). Peak memory consumption was 46.1 MB. Max. memory is 11.5 GB. [2018-12-08 18:08:36,325 INFO L168 Benchmark]: TraceAbstraction took 30890.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 823.7 MB in the end (delta: 255.4 MB). Peak memory consumption was 255.4 MB. Max. memory is 11.5 GB. [2018-12-08 18:08:36,325 INFO L168 Benchmark]: Witness Printer took 46.73 ms. Allocated memory is still 1.2 GB. Free memory was 823.7 MB in the beginning and 817.1 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-12-08 18:08:36,326 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 205.27 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 928.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 45.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -203.3 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 29125.83 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: 46.1 MB). Peak memory consumption was 46.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 30890.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 823.7 MB in the end (delta: 255.4 MB). Peak memory consumption was 255.4 MB. Max. memory is 11.5 GB. * Witness Printer took 46.73 ms. Allocated memory is still 1.2 GB. Free memory was 823.7 MB in the beginning and 817.1 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 175]: 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: 138]: Loop Invariant [2018-12-08 18:08:36,329 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-12-08 18:08:36,329 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-12-08 18:08:36,329 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-12-08 18:08:36,329 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-12-08 18:08:36,329 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-12-08 18:08:36,329 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-12-08 18:08:36,329 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-12-08 18:08:36,329 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-12-08 18:08:36,329 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-12-08 18:08:36,330 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-12-08 18:08:36,330 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-12-08 18:08:36,330 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-12-08 18:08:36,330 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-12-08 18:08:36,330 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-12-08 18:08:36,330 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-12-08 18:08:36,330 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-12-08 18:08:36,330 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-12-08 18:08:36,330 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] Derived loop invariant: ((\exists v_prenex_14 : bv64 :: (!~bvslt32(v_prenex_14[63:32], 0bv32) && ~bvslt32(v_prenex_14[63:32], 1048576bv32)) && ~fp~LONGDOUBLE(v_prenex_14[63:63], v_prenex_14[62:52], v_prenex_14[51:0]) == \old(x)) && (\exists v_prenex_13 : bv64 :: ~fp~LONGDOUBLE(v_prenex_13[63:63], v_prenex_13[62:52], v_prenex_13[51:0]) == \old(x) && hx == v_prenex_13[63:32])) || !(~Pluszero~LONGDOUBLE() == zero_log10) - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: !(~Pluszero~LONGDOUBLE() == zero_log10) || x == \old(x) - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 150]: Loop Invariant [2018-12-08 18:08:36,331 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-12-08 18:08:36,331 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-12-08 18:08:36,331 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-12-08 18:08:36,331 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-12-08 18:08:36,331 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-12-08 18:08:36,332 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-12-08 18:08:36,332 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-12-08 18:08:36,332 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-12-08 18:08:36,332 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-12-08 18:08:36,332 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-12-08 18:08:36,332 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-12-08 18:08:36,332 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-12-08 18:08:36,332 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-12-08 18:08:36,333 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-12-08 18:08:36,333 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-12-08 18:08:36,333 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-12-08 18:08:36,333 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-12-08 18:08:36,333 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-12-08 18:08:36,333 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] [2018-12-08 18:08:36,333 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_14,QUANTIFIED] Derived loop invariant: ((x == \old(x) && (\exists v_prenex_15 : bv64 :: (\old(x) == ~fp~LONGDOUBLE(v_prenex_15[63:63], v_prenex_15[62:52], v_prenex_15[51:0]) && !~bvslt32(v_prenex_15[63:32], 1048576bv32)) && !~bvsge32(v_prenex_15[63:32], 2146435072bv32))) || !(~Pluszero~LONGDOUBLE() == zero_log10)) || (\exists v_prenex_14 : bv64 :: (!~bvslt32(v_prenex_14[63:32], 0bv32) && ~bvslt32(v_prenex_14[63:32], 1048576bv32)) && ~fp~LONGDOUBLE(v_prenex_14[63:63], v_prenex_14[62:52], v_prenex_14[51:0]) == \old(x)) - InvariantResult [Line: 35]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 57 locations, 1 error locations. SAFE Result, 30.8s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 22.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 356 SDtfs, 112 SDslu, 1416 SDs, 0 SdLazy, 257 SolverSat, 15 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 17.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 159 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 8.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=57occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 8 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 16 LocationsWithAnnotation, 29 PreInvPairs, 43 NumberOfFragments, 192 HoareAnnotationTreeSize, 29 FomulaSimplifications, 16 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 16 FomulaSimplificationsInter, 115 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 3.0s SatisfiabilityAnalysisTime, 4.4s InterpolantComputationTime, 148 NumberOfCodeBlocks, 148 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 142 ConstructedInterpolants, 26 QuantifiedInterpolants, 21152 SizeOfPredicates, 18 NumberOfNonLiveVariables, 707 ConjunctsInSsa, 47 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...