./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0981_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f1359e70-5173-4613-bdd0-b8529d05705f/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f1359e70-5173-4613-bdd0-b8529d05705f/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f1359e70-5173-4613-bdd0-b8529d05705f/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f1359e70-5173-4613-bdd0-b8529d05705f/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0981_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f1359e70-5173-4613-bdd0-b8529d05705f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f1359e70-5173-4613-bdd0-b8529d05705f/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 a7a942aef31d674fbc5ba5c6ed676ac24f2343b7 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_f1359e70-5173-4613-bdd0-b8529d05705f/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f1359e70-5173-4613-bdd0-b8529d05705f/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f1359e70-5173-4613-bdd0-b8529d05705f/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f1359e70-5173-4613-bdd0-b8529d05705f/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0981_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f1359e70-5173-4613-bdd0-b8529d05705f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f1359e70-5173-4613-bdd0-b8529d05705f/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 a7a942aef31d674fbc5ba5c6ed676ac24f2343b7 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 20:55:03,592 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 20:55:03,594 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 20:55:03,603 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 20:55:03,603 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 20:55:03,604 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 20:55:03,606 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 20:55:03,607 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 20:55:03,608 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 20:55:03,613 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 20:55:03,614 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 20:55:03,614 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 20:55:03,615 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 20:55:03,616 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 20:55:03,617 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 20:55:03,618 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 20:55:03,618 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 20:55:03,620 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 20:55:03,621 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 20:55:03,623 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 20:55:03,623 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 20:55:03,624 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 20:55:03,626 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 20:55:03,626 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 20:55:03,627 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 20:55:03,627 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 20:55:03,628 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 20:55:03,629 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 20:55:03,630 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 20:55:03,630 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 20:55:03,631 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 20:55:03,631 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 20:55:03,631 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 20:55:03,632 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 20:55:03,640 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 20:55:03,642 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 20:55:03,642 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f1359e70-5173-4613-bdd0-b8529d05705f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-10-26 20:55:03,658 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 20:55:03,658 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 20:55:03,659 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 20:55:03,659 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 20:55:03,659 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 20:55:03,659 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 20:55:03,659 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-26 20:55:03,659 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 20:55:03,660 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-26 20:55:03,660 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-26 20:55:03,660 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 20:55:03,660 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 20:55:03,665 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 20:55:03,665 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 20:55:03,665 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 20:55:03,665 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 20:55:03,665 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 20:55:03,666 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 20:55:03,666 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 20:55:03,666 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 20:55:03,666 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 20:55:03,666 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 20:55:03,666 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 20:55:03,667 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 20:55:03,667 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 20:55:03,667 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 20:55:03,667 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 20:55:03,667 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 20:55:03,667 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 20:55:03,667 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 20:55:03,668 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-26 20:55:03,668 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 20:55:03,668 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 20:55:03,668 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-26 20:55:03,668 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_f1359e70-5173-4613-bdd0-b8529d05705f/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 -> a7a942aef31d674fbc5ba5c6ed676ac24f2343b7 [2018-10-26 20:55:03,696 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 20:55:03,709 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 20:55:03,712 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 20:55:03,713 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 20:55:03,713 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 20:55:03,714 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f1359e70-5173-4613-bdd0-b8529d05705f/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0981_true-unreach-call.c [2018-10-26 20:55:03,762 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f1359e70-5173-4613-bdd0-b8529d05705f/bin-2019/utaipan/data/b7c5f256c/394c741b0ac84bb6a0ddb2e7dcd40ef8/FLAGd44465c04 [2018-10-26 20:55:04,153 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 20:55:04,161 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f1359e70-5173-4613-bdd0-b8529d05705f/sv-benchmarks/c/float-newlib/float_req_bl_0981_true-unreach-call.c [2018-10-26 20:55:04,168 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f1359e70-5173-4613-bdd0-b8529d05705f/bin-2019/utaipan/data/b7c5f256c/394c741b0ac84bb6a0ddb2e7dcd40ef8/FLAGd44465c04 [2018-10-26 20:55:04,187 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f1359e70-5173-4613-bdd0-b8529d05705f/bin-2019/utaipan/data/b7c5f256c/394c741b0ac84bb6a0ddb2e7dcd40ef8 [2018-10-26 20:55:04,192 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 20:55:04,194 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 20:55:04,197 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 20:55:04,197 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 20:55:04,201 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 20:55:04,202 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:55:04" (1/1) ... [2018-10-26 20:55:04,204 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22ac8a46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:55:04, skipping insertion in model container [2018-10-26 20:55:04,204 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:55:04" (1/1) ... [2018-10-26 20:55:04,215 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 20:55:04,254 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 20:55:04,448 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:55:04,453 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 20:55:04,501 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:55:04,529 INFO L193 MainTranslator]: Completed translation [2018-10-26 20:55:04,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:55:04 WrapperNode [2018-10-26 20:55:04,530 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 20:55:04,531 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 20:55:04,531 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 20:55:04,531 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 20:55:04,539 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:55:04" (1/1) ... [2018-10-26 20:55:04,551 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:55:04" (1/1) ... [2018-10-26 20:55:04,580 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 20:55:04,581 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 20:55:04,581 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 20:55:04,581 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 20:55:04,590 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:55:04" (1/1) ... [2018-10-26 20:55:04,591 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:55:04" (1/1) ... [2018-10-26 20:55:04,597 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:55:04" (1/1) ... [2018-10-26 20:55:04,598 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:55:04" (1/1) ... [2018-10-26 20:55:04,609 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:55:04" (1/1) ... [2018-10-26 20:55:04,616 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:55:04" (1/1) ... [2018-10-26 20:55:04,693 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:55:04" (1/1) ... [2018-10-26 20:55:04,697 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 20:55:04,697 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 20:55:04,697 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 20:55:04,697 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 20:55:04,698 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:55:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f1359e70-5173-4613-bdd0-b8529d05705f/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 [2018-10-26 20:55:04,750 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 20:55:04,750 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 20:55:04,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 20:55:04,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 20:55:04,750 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2018-10-26 20:55:04,750 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2018-10-26 20:55:04,751 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_logf [2018-10-26 20:55:04,751 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_logf [2018-10-26 20:55:04,751 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log10f [2018-10-26 20:55:04,752 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log10f [2018-10-26 20:55:04,752 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 20:55:04,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 20:55:05,611 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 20:55:05,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:55:05 BoogieIcfgContainer [2018-10-26 20:55:05,612 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 20:55:05,612 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 20:55:05,613 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 20:55:05,615 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 20:55:05,616 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 08:55:04" (1/3) ... [2018-10-26 20:55:05,616 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72d78c73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 08:55:05, skipping insertion in model container [2018-10-26 20:55:05,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:55:04" (2/3) ... [2018-10-26 20:55:05,618 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72d78c73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 08:55:05, skipping insertion in model container [2018-10-26 20:55:05,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:55:05" (3/3) ... [2018-10-26 20:55:05,620 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0981_true-unreach-call.c [2018-10-26 20:55:05,630 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 20:55:05,639 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 20:55:05,654 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 20:55:05,681 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 20:55:05,681 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 20:55:05,681 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 20:55:05,681 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 20:55:05,682 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 20:55:05,682 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 20:55:05,682 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 20:55:05,682 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 20:55:05,697 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states. [2018-10-26 20:55:05,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-26 20:55:05,703 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:55:05,703 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 20:55:05,705 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:55:05,713 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:55:05,713 INFO L82 PathProgramCache]: Analyzing trace with hash 608386884, now seen corresponding path program 1 times [2018-10-26 20:55:05,715 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 20:55:05,759 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:55:05,759 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:55:05,760 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:55:05,760 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 20:55:05,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:55:05,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:55:05,884 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:55:05,885 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-26 20:55:05,885 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 20:55:05,890 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-26 20:55:05,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-26 20:55:05,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-26 20:55:05,906 INFO L87 Difference]: Start difference. First operand 63 states. Second operand 2 states. [2018-10-26 20:55:05,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:55:05,929 INFO L93 Difference]: Finished difference Result 118 states and 178 transitions. [2018-10-26 20:55:05,930 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-26 20:55:05,931 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 23 [2018-10-26 20:55:05,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:55:05,941 INFO L225 Difference]: With dead ends: 118 [2018-10-26 20:55:05,941 INFO L226 Difference]: Without dead ends: 59 [2018-10-26 20:55:05,945 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-26 20:55:05,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2018-10-26 20:55:05,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2018-10-26 20:55:05,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2018-10-26 20:55:05,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 73 transitions. [2018-10-26 20:55:05,985 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 73 transitions. Word has length 23 [2018-10-26 20:55:05,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:55:05,985 INFO L481 AbstractCegarLoop]: Abstraction has 59 states and 73 transitions. [2018-10-26 20:55:05,985 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-26 20:55:05,986 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 73 transitions. [2018-10-26 20:55:05,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-26 20:55:05,986 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:55:05,987 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 20:55:05,987 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:55:05,987 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:55:05,987 INFO L82 PathProgramCache]: Analyzing trace with hash -1248335702, now seen corresponding path program 1 times [2018-10-26 20:55:05,987 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 20:55:05,988 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:55:05,988 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:55:05,990 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:55:05,990 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 20:55:06,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 20:55:06,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 20:55:06,157 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-10-26 20:55:06,182 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:55:06,183 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 20:55:06,183 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:55:06,184 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 20:55:06,188 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:55:06,188 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 20:55:06,188 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:55:06,188 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 20:55:06,189 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:55:06,189 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 20:55:06,189 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:55:06,189 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 20:55:06,190 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:55:06,190 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 20:55:06,190 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:55:06,190 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 20:55:06,191 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:55:06,191 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 20:55:06,191 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:55:06,191 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 20:55:06,192 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:55:06,192 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:55:06,196 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 20:55:06,197 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 20:55:06,198 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:55:06,198 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:55:06,198 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 20:55:06,198 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 20:55:06,199 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:55:06,199 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:55:06,199 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 20:55:06,199 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 20:55:06,200 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:55:06,200 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:55:06,200 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 20:55:06,200 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 20:55:06,239 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 08:55:06 BoogieIcfgContainer [2018-10-26 20:55:06,242 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 20:55:06,243 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 20:55:06,243 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 20:55:06,243 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 20:55:06,244 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:55:05" (3/4) ... [2018-10-26 20:55:06,248 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-10-26 20:55:06,248 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 20:55:06,249 INFO L168 Benchmark]: Toolchain (without parser) took 2055.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.7 MB). Free memory was 963.4 MB in the beginning and 1.1 GB in the end (delta: -117.7 MB). Peak memory consumption was 48.0 MB. Max. memory is 11.5 GB. [2018-10-26 20:55:06,251 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 20:55:06,251 INFO L168 Benchmark]: CACSL2BoogieTranslator took 333.09 ms. Allocated memory is still 1.0 GB. Free memory was 963.4 MB in the beginning and 946.2 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 11.5 GB. [2018-10-26 20:55:06,252 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.93 ms. Allocated memory is still 1.0 GB. Free memory was 946.2 MB in the beginning and 940.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-26 20:55:06,252 INFO L168 Benchmark]: Boogie Preprocessor took 116.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.7 MB). Free memory was 940.8 MB in the beginning and 1.2 GB in the end (delta: -221.4 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. [2018-10-26 20:55:06,253 INFO L168 Benchmark]: RCFGBuilder took 914.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 41.2 MB). Peak memory consumption was 41.2 MB. Max. memory is 11.5 GB. [2018-10-26 20:55:06,253 INFO L168 Benchmark]: TraceAbstraction took 629.87 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: 40.0 MB). Peak memory consumption was 40.0 MB. Max. memory is 11.5 GB. [2018-10-26 20:55:06,254 INFO L168 Benchmark]: Witness Printer took 5.19 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 20:55:06,259 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 333.09 ms. Allocated memory is still 1.0 GB. Free memory was 963.4 MB in the beginning and 946.2 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 49.93 ms. Allocated memory is still 1.0 GB. Free memory was 946.2 MB in the beginning and 940.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 116.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.7 MB). Free memory was 940.8 MB in the beginning and 1.2 GB in the end (delta: -221.4 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 914.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 41.2 MB). Peak memory consumption was 41.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 629.87 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: 40.0 MB). Peak memory consumption was 40.0 MB. Max. memory is 11.5 GB. * Witness Printer took 5.19 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 168]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryArithmeticFLOAToperation at line 116, overapproximation of bitwiseAnd at line 151. Possible FailurePath: [L11-L15] static const float ln2_hi_log = 6.9313812256e-01, ln2_lo_log = 9.0580006145e-06, two25_log = 3.355443200e+07, Lg1_log = 6.6666668653e-01, Lg2_log = 4.0000000596e-01, Lg3_log = 2.8571429849e-01, Lg4_log = 2.2222198546e-01, Lg5_log = 1.8183572590e-01, Lg6_log = 1.5313838422e-01, Lg7_log = 1.4798198640e-01; [L17] static const float zero_log = 0.0; [L97-L100] static const float two25_log10 = 3.3554432000e+07, ivln10_log10 = 4.3429449201e-01, log10_2hi_log10 = 3.0102920532e-01, log10_2lo_log10 = 7.9034151668e-07; [L102] static const float zero = 0.0; VAL [\old(ivln10_log10)=6442450947, \old(Lg1_log)=6442450966, \old(Lg2_log)=6442450968, \old(Lg3_log)=6442450946, \old(Lg4_log)=6442450950, \old(Lg5_log)=6442450951, \old(Lg6_log)=6442450964, \old(Lg7_log)=6442450960, \old(ln2_hi_log)=6442450949, \old(ln2_lo_log)=6442450954, \old(log10_2hi_log10)=6442450958, \old(log10_2lo_log10)=6442450962, \old(two25_log)=6442450959, \old(two25_log10)=6442450961, \old(zero)=6442450967, \old(zero_log)=6442450957, ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L163] float x = 1.0f / 0.0f; VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L164] CALL, EXPR __ieee754_log10f(x) VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L105] float y, z; [L106] __int32_t i, k, hx; VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L109] CALL ieee_float_shape_type gf_u; [L109] RET ieee_float_shape_type gf_u; [L110] CALL gf_u.value = (x) [L110] RET gf_u.value = (x) [L111] CALL, EXPR gf_u.word [L111] RET, EXPR gf_u.word [L111] (hx) = gf_u.word [L111] RET (hx) = gf_u.word [L112] COND FALSE !(0) VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L114] k = 0 VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L115] COND TRUE ((hx & 0x7fffffff) == 0) [L116] RET return -two25_log10 / zero; VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L164] EXPR __ieee754_log10f(x) VAL [__ieee754_log10f(x)=6442450945, ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, x=6442450965, zero=0, zero_log=0] [L164] float res = __ieee754_log10f(x); [L167] CALL, EXPR isinf_float(res) VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L145] __int32_t ix; VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L147] CALL ieee_float_shape_type gf_u; [L147] RET ieee_float_shape_type gf_u; [L148] CALL gf_u.value = (x) [L148] RET gf_u.value = (x) [L149] CALL, EXPR gf_u.word [L149] RET, EXPR gf_u.word [L149] (ix) = gf_u.word [L149] RET (ix) = gf_u.word [L150] COND FALSE !(0) VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L151] ix &= 0x7fffffff [L152] RET return ((ix) == 0x7f800000L); VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L167] EXPR isinf_float(res) VAL [isinf_float(res)=0, ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, res=6442450945, two25_log=33554432, two25_log10=33554432, x=6442450965, zero=0, zero_log=0] [L167] COND TRUE !isinf_float(res) [L168] __VERIFIER_error() VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, res=6442450945, two25_log=33554432, two25_log10=33554432, x=6442450965, zero=0, zero_log=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 63 locations, 1 error locations. UNSAFE Result, 0.5s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 77 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=63occurred 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, 48 NumberOfCodeBlocks, 48 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 484 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-1dbac8b [2018-10-26 20:55:08,398 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 20:55:08,400 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 20:55:08,409 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 20:55:08,410 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 20:55:08,410 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 20:55:08,412 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 20:55:08,414 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 20:55:08,415 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 20:55:08,416 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 20:55:08,416 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 20:55:08,417 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 20:55:08,418 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 20:55:08,419 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 20:55:08,421 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 20:55:08,424 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 20:55:08,425 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 20:55:08,426 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 20:55:08,427 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 20:55:08,429 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 20:55:08,430 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 20:55:08,431 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 20:55:08,434 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 20:55:08,434 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 20:55:08,434 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 20:55:08,435 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 20:55:08,436 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 20:55:08,436 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 20:55:08,437 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 20:55:08,438 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 20:55:08,439 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 20:55:08,439 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 20:55:08,440 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 20:55:08,440 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 20:55:08,442 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 20:55:08,442 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 20:55:08,443 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f1359e70-5173-4613-bdd0-b8529d05705f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-10-26 20:55:08,455 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 20:55:08,455 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 20:55:08,456 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 20:55:08,456 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 20:55:08,456 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 20:55:08,456 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 20:55:08,457 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 20:55:08,457 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 20:55:08,458 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 20:55:08,458 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 20:55:08,458 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 20:55:08,458 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 20:55:08,458 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 20:55:08,459 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 20:55:08,459 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 20:55:08,459 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-26 20:55:08,459 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-26 20:55:08,459 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 20:55:08,459 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 20:55:08,459 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 20:55:08,460 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 20:55:08,460 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 20:55:08,460 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 20:55:08,460 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 20:55:08,460 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 20:55:08,460 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 20:55:08,463 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 20:55:08,463 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 20:55:08,463 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-10-26 20:55:08,463 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 20:55:08,463 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-26 20:55:08,463 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-26 20:55:08,463 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_f1359e70-5173-4613-bdd0-b8529d05705f/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 -> a7a942aef31d674fbc5ba5c6ed676ac24f2343b7 [2018-10-26 20:55:08,498 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 20:55:08,512 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 20:55:08,516 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 20:55:08,517 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 20:55:08,517 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 20:55:08,518 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f1359e70-5173-4613-bdd0-b8529d05705f/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0981_true-unreach-call.c [2018-10-26 20:55:08,567 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f1359e70-5173-4613-bdd0-b8529d05705f/bin-2019/utaipan/data/2d0ebd498/4fce387a208746a2abc24c40c21c500d/FLAG4f30ab267 [2018-10-26 20:55:08,970 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 20:55:08,970 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f1359e70-5173-4613-bdd0-b8529d05705f/sv-benchmarks/c/float-newlib/float_req_bl_0981_true-unreach-call.c [2018-10-26 20:55:08,985 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f1359e70-5173-4613-bdd0-b8529d05705f/bin-2019/utaipan/data/2d0ebd498/4fce387a208746a2abc24c40c21c500d/FLAG4f30ab267 [2018-10-26 20:55:08,996 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f1359e70-5173-4613-bdd0-b8529d05705f/bin-2019/utaipan/data/2d0ebd498/4fce387a208746a2abc24c40c21c500d [2018-10-26 20:55:08,999 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 20:55:09,001 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 20:55:09,002 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 20:55:09,002 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 20:55:09,006 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 20:55:09,006 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:55:08" (1/1) ... [2018-10-26 20:55:09,009 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5356465f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:55:09, skipping insertion in model container [2018-10-26 20:55:09,009 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:55:08" (1/1) ... [2018-10-26 20:55:09,018 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 20:55:09,042 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 20:55:09,219 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:55:09,225 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 20:55:09,272 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:55:09,294 INFO L193 MainTranslator]: Completed translation [2018-10-26 20:55:09,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:55:09 WrapperNode [2018-10-26 20:55:09,295 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 20:55:09,296 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 20:55:09,296 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 20:55:09,296 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 20:55:09,303 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:55:09" (1/1) ... [2018-10-26 20:55:09,316 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:55:09" (1/1) ... [2018-10-26 20:55:09,348 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 20:55:09,349 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 20:55:09,349 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 20:55:09,349 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 20:55:09,358 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:55:09" (1/1) ... [2018-10-26 20:55:09,358 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:55:09" (1/1) ... [2018-10-26 20:55:09,364 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:55:09" (1/1) ... [2018-10-26 20:55:09,364 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:55:09" (1/1) ... [2018-10-26 20:55:09,379 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:55:09" (1/1) ... [2018-10-26 20:55:09,386 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:55:09" (1/1) ... [2018-10-26 20:55:09,396 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:55:09" (1/1) ... [2018-10-26 20:55:09,403 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 20:55:09,404 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 20:55:09,404 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 20:55:09,404 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 20:55:09,405 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:55:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f1359e70-5173-4613-bdd0-b8529d05705f/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 [2018-10-26 20:55:09,509 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 20:55:09,510 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 20:55:09,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 20:55:09,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 20:55:09,510 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2018-10-26 20:55:09,511 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2018-10-26 20:55:09,511 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_logf [2018-10-26 20:55:09,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_logf [2018-10-26 20:55:09,511 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log10f [2018-10-26 20:55:09,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log10f [2018-10-26 20:55:09,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 20:55:09,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 20:55:09,809 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 20:55:09,977 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 20:55:22,730 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 20:55:23,534 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 20:55:25,822 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 20:55:26,039 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 20:55:26,040 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:55:26 BoogieIcfgContainer [2018-10-26 20:55:26,040 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 20:55:26,041 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 20:55:26,041 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 20:55:26,049 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 20:55:26,049 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 08:55:08" (1/3) ... [2018-10-26 20:55:26,050 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64093f4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 08:55:26, skipping insertion in model container [2018-10-26 20:55:26,050 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:55:09" (2/3) ... [2018-10-26 20:55:26,051 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64093f4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 08:55:26, skipping insertion in model container [2018-10-26 20:55:26,051 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:55:26" (3/3) ... [2018-10-26 20:55:26,054 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0981_true-unreach-call.c [2018-10-26 20:55:26,065 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 20:55:26,073 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 20:55:26,088 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 20:55:26,122 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-26 20:55:26,123 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 20:55:26,123 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 20:55:26,123 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 20:55:26,124 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 20:55:26,124 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 20:55:26,124 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 20:55:26,124 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 20:55:26,124 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 20:55:26,144 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states. [2018-10-26 20:55:26,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-26 20:55:26,151 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:55:26,152 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 20:55:26,155 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:55:26,161 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:55:26,162 INFO L82 PathProgramCache]: Analyzing trace with hash -877315629, now seen corresponding path program 1 times [2018-10-26 20:55:26,167 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 20:55:26,167 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f1359e70-5173-4613-bdd0-b8529d05705f/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 [2018-10-26 20:55:26,180 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:55:26,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:55:26,471 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 20:55:26,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:55:26,487 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 20:55:26,503 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:55:26,503 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-26 20:55:26,506 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-26 20:55:26,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-26 20:55:26,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-26 20:55:26,518 INFO L87 Difference]: Start difference. First operand 62 states. Second operand 2 states. [2018-10-26 20:55:26,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:55:26,544 INFO L93 Difference]: Finished difference Result 116 states and 176 transitions. [2018-10-26 20:55:26,544 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-26 20:55:26,546 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 22 [2018-10-26 20:55:26,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:55:26,557 INFO L225 Difference]: With dead ends: 116 [2018-10-26 20:55:26,557 INFO L226 Difference]: Without dead ends: 58 [2018-10-26 20:55:26,562 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-26 20:55:26,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2018-10-26 20:55:26,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2018-10-26 20:55:26,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2018-10-26 20:55:26,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 72 transitions. [2018-10-26 20:55:26,606 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 72 transitions. Word has length 22 [2018-10-26 20:55:26,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:55:26,607 INFO L481 AbstractCegarLoop]: Abstraction has 58 states and 72 transitions. [2018-10-26 20:55:26,607 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-26 20:55:26,607 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 72 transitions. [2018-10-26 20:55:26,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-26 20:55:26,608 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:55:26,608 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 20:55:26,610 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:55:26,610 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:55:26,610 INFO L82 PathProgramCache]: Analyzing trace with hash -23468183, now seen corresponding path program 1 times [2018-10-26 20:55:26,611 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 20:55:26,611 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f1359e70-5173-4613-bdd0-b8529d05705f/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 [2018-10-26 20:55:26,618 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:55:26,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:55:26,938 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 20:55:27,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:55:27,208 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 20:55:27,218 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:55:27,218 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-26 20:55:27,220 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-26 20:55:27,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-26 20:55:27,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-10-26 20:55:27,220 INFO L87 Difference]: Start difference. First operand 58 states and 72 transitions. Second operand 6 states. [2018-10-26 20:55:29,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:55:29,104 INFO L93 Difference]: Finished difference Result 75 states and 88 transitions. [2018-10-26 20:55:29,105 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-26 20:55:29,105 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2018-10-26 20:55:29,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:55:29,108 INFO L225 Difference]: With dead ends: 75 [2018-10-26 20:55:29,108 INFO L226 Difference]: Without dead ends: 62 [2018-10-26 20:55:29,109 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-10-26 20:55:29,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2018-10-26 20:55:29,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 58. [2018-10-26 20:55:29,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2018-10-26 20:55:29,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 71 transitions. [2018-10-26 20:55:29,118 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 71 transitions. Word has length 24 [2018-10-26 20:55:29,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:55:29,118 INFO L481 AbstractCegarLoop]: Abstraction has 58 states and 71 transitions. [2018-10-26 20:55:29,118 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-26 20:55:29,118 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 71 transitions. [2018-10-26 20:55:29,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-26 20:55:29,119 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:55:29,119 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 20:55:29,120 INFO L424 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:55:29,120 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:55:29,120 INFO L82 PathProgramCache]: Analyzing trace with hash 285277437, now seen corresponding path program 1 times [2018-10-26 20:55:29,122 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 20:55:29,122 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f1359e70-5173-4613-bdd0-b8529d05705f/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 [2018-10-26 20:55:29,131 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:55:29,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:55:29,376 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 20:55:29,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:55:29,462 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 20:55:29,474 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:55:29,474 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-26 20:55:29,475 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-26 20:55:29,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-26 20:55:29,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-10-26 20:55:29,475 INFO L87 Difference]: Start difference. First operand 58 states and 71 transitions. Second operand 6 states. [2018-10-26 20:55:30,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:55:30,816 INFO L93 Difference]: Finished difference Result 75 states and 87 transitions. [2018-10-26 20:55:30,818 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-26 20:55:30,818 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 25 [2018-10-26 20:55:30,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:55:30,819 INFO L225 Difference]: With dead ends: 75 [2018-10-26 20:55:30,820 INFO L226 Difference]: Without dead ends: 62 [2018-10-26 20:55:30,820 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-10-26 20:55:30,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2018-10-26 20:55:30,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 58. [2018-10-26 20:55:30,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2018-10-26 20:55:30,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 70 transitions. [2018-10-26 20:55:30,830 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 70 transitions. Word has length 25 [2018-10-26 20:55:30,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:55:30,830 INFO L481 AbstractCegarLoop]: Abstraction has 58 states and 70 transitions. [2018-10-26 20:55:30,830 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-26 20:55:30,830 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 70 transitions. [2018-10-26 20:55:30,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-26 20:55:30,831 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:55:30,832 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 20:55:30,832 INFO L424 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:55:30,832 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:55:30,832 INFO L82 PathProgramCache]: Analyzing trace with hash 92845037, now seen corresponding path program 1 times [2018-10-26 20:55:30,834 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 20:55:30,835 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f1359e70-5173-4613-bdd0-b8529d05705f/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 [2018-10-26 20:55:30,840 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:55:30,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:55:30,949 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 20:55:31,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:55:31,718 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 20:55:31,733 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:55:31,733 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-10-26 20:55:31,734 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-10-26 20:55:31,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-10-26 20:55:31,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-10-26 20:55:31,734 INFO L87 Difference]: Start difference. First operand 58 states and 70 transitions. Second operand 11 states. [2018-10-26 20:55:32,275 WARN L179 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-10-26 20:55:35,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:55:35,750 INFO L93 Difference]: Finished difference Result 67 states and 79 transitions. [2018-10-26 20:55:35,751 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-10-26 20:55:35,751 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 26 [2018-10-26 20:55:35,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:55:35,752 INFO L225 Difference]: With dead ends: 67 [2018-10-26 20:55:35,753 INFO L226 Difference]: Without dead ends: 60 [2018-10-26 20:55:35,753 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2018-10-26 20:55:35,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2018-10-26 20:55:35,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 58. [2018-10-26 20:55:35,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2018-10-26 20:55:35,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 69 transitions. [2018-10-26 20:55:35,762 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 69 transitions. Word has length 26 [2018-10-26 20:55:35,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:55:35,763 INFO L481 AbstractCegarLoop]: Abstraction has 58 states and 69 transitions. [2018-10-26 20:55:35,763 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-10-26 20:55:35,764 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 69 transitions. [2018-10-26 20:55:35,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-10-26 20:55:35,764 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:55:35,764 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 20:55:35,765 INFO L424 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:55:35,765 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:55:35,765 INFO L82 PathProgramCache]: Analyzing trace with hash -532484596, now seen corresponding path program 1 times [2018-10-26 20:55:35,765 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 20:55:35,765 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f1359e70-5173-4613-bdd0-b8529d05705f/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 [2018-10-26 20:55:35,774 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:55:36,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:55:36,306 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 20:55:36,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:55:36,380 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 20:55:36,393 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:55:36,393 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-26 20:55:36,394 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-26 20:55:36,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-26 20:55:36,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-10-26 20:55:36,394 INFO L87 Difference]: Start difference. First operand 58 states and 69 transitions. Second operand 6 states. [2018-10-26 20:55:37,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:55:37,098 INFO L93 Difference]: Finished difference Result 60 states and 71 transitions. [2018-10-26 20:55:37,100 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-26 20:55:37,100 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 39 [2018-10-26 20:55:37,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:55:37,101 INFO L225 Difference]: With dead ends: 60 [2018-10-26 20:55:37,101 INFO L226 Difference]: Without dead ends: 0 [2018-10-26 20:55:37,101 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-10-26 20:55:37,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-26 20:55:37,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-26 20:55:37,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-26 20:55:37,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-26 20:55:37,102 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2018-10-26 20:55:37,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:55:37,103 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-26 20:55:37,103 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-26 20:55:37,103 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-26 20:55:37,103 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 20:55:37,108 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-26 20:55:37,321 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-10-26 20:55:37,321 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-10-26 20:55:37,322 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-26 20:55:37,322 INFO L425 ceAbstractionStarter]: For program point L146-1(lines 146 150) no Hoare annotation was computed. [2018-10-26 20:55:37,322 INFO L428 ceAbstractionStarter]: At program point isinf_floatENTRY(lines 144 153) the Hoare annotation is: true [2018-10-26 20:55:37,322 INFO L421 ceAbstractionStarter]: At program point L146-3(lines 146 150) the Hoare annotation is: (= |isinf_float_#in~x| isinf_float_~x) [2018-10-26 20:55:37,322 INFO L425 ceAbstractionStarter]: For program point L146-4(lines 146 150) no Hoare annotation was computed. [2018-10-26 20:55:37,322 INFO L425 ceAbstractionStarter]: For program point isinf_floatEXIT(lines 144 153) no Hoare annotation was computed. [2018-10-26 20:55:37,322 INFO L425 ceAbstractionStarter]: For program point isinf_floatFINAL(lines 144 153) no Hoare annotation was computed. [2018-10-26 20:55:37,322 INFO L425 ceAbstractionStarter]: For program point L56(lines 56 63) no Hoare annotation was computed. [2018-10-26 20:55:37,323 INFO L425 ceAbstractionStarter]: For program point L23-1(lines 23 27) no Hoare annotation was computed. [2018-10-26 20:55:37,323 INFO L428 ceAbstractionStarter]: At program point L23-3(lines 23 27) the Hoare annotation is: true [2018-10-26 20:55:37,323 INFO L425 ceAbstractionStarter]: For program point L23-4(lines 23 27) no Hoare annotation was computed. [2018-10-26 20:55:37,323 INFO L425 ceAbstractionStarter]: For program point L48-1(lines 48 52) no Hoare annotation was computed. [2018-10-26 20:55:37,323 INFO L428 ceAbstractionStarter]: At program point L48-3(lines 48 52) the Hoare annotation is: true [2018-10-26 20:55:37,323 INFO L425 ceAbstractionStarter]: For program point L48-4(lines 48 52) no Hoare annotation was computed. [2018-10-26 20:55:37,323 INFO L425 ceAbstractionStarter]: For program point L36(lines 36 44) no Hoare annotation was computed. [2018-10-26 20:55:37,323 INFO L425 ceAbstractionStarter]: For program point L36-1(lines 36 44) no Hoare annotation was computed. [2018-10-26 20:55:37,324 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 70) no Hoare annotation was computed. [2018-10-26 20:55:37,324 INFO L425 ceAbstractionStarter]: For program point L32(lines 32 33) no Hoare annotation was computed. [2018-10-26 20:55:37,324 INFO L428 ceAbstractionStarter]: At program point __ieee754_logfENTRY(lines 19 95) the Hoare annotation is: true [2018-10-26 20:55:37,324 INFO L425 ceAbstractionStarter]: For program point L90(lines 90 93) no Hoare annotation was computed. [2018-10-26 20:55:37,324 INFO L425 ceAbstractionStarter]: For program point __ieee754_logfFINAL(lines 19 95) no Hoare annotation was computed. [2018-10-26 20:55:37,324 INFO L425 ceAbstractionStarter]: For program point L57(lines 57 62) no Hoare annotation was computed. [2018-10-26 20:55:37,324 INFO L425 ceAbstractionStarter]: For program point L82(lines 82 94) no Hoare annotation was computed. [2018-10-26 20:55:37,327 INFO L425 ceAbstractionStarter]: For program point __ieee754_logfEXIT(lines 19 95) no Hoare annotation was computed. [2018-10-26 20:55:37,328 INFO L425 ceAbstractionStarter]: For program point L34(lines 34 35) no Hoare annotation was computed. [2018-10-26 20:55:37,328 INFO L425 ceAbstractionStarter]: For program point L30(lines 30 31) no Hoare annotation was computed. [2018-10-26 20:55:37,328 INFO L425 ceAbstractionStarter]: For program point L55(lines 55 71) no Hoare annotation was computed. [2018-10-26 20:55:37,328 INFO L425 ceAbstractionStarter]: For program point L84(lines 84 88) no Hoare annotation was computed. [2018-10-26 20:55:37,328 INFO L425 ceAbstractionStarter]: For program point L39-1(lines 39 43) no Hoare annotation was computed. [2018-10-26 20:55:37,328 INFO L428 ceAbstractionStarter]: At program point L39-3(lines 39 43) the Hoare annotation is: true [2018-10-26 20:55:37,328 INFO L425 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-10-26 20:55:37,328 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 120) no Hoare annotation was computed. [2018-10-26 20:55:37,329 INFO L425 ceAbstractionStarter]: For program point L115(lines 115 116) no Hoare annotation was computed. [2018-10-26 20:55:37,329 INFO L428 ceAbstractionStarter]: At program point __ieee754_log10fENTRY(lines 104 141) the Hoare annotation is: true [2018-10-26 20:55:37,329 INFO L425 ceAbstractionStarter]: For program point __ieee754_log10fEXIT(lines 104 141) no Hoare annotation was computed. [2018-10-26 20:55:37,329 INFO L425 ceAbstractionStarter]: For program point L124-1(lines 124 128) no Hoare annotation was computed. [2018-10-26 20:55:37,329 INFO L425 ceAbstractionStarter]: For program point __ieee754_log10fFINAL(lines 104 141) no Hoare annotation was computed. [2018-10-26 20:55:37,329 INFO L421 ceAbstractionStarter]: At program point L124-3(lines 124 128) the Hoare annotation is: (and (exists ((__ieee754_log10f_~hx~0 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_log10f_~hx~0) ((_ extract 30 23) __ieee754_log10f_~hx~0) ((_ extract 22 0) __ieee754_log10f_~hx~0)) |__ieee754_log10f_#in~x|) (bvslt __ieee754_log10f_~hx~0 (_ bv2139095040 32)))) (= (fp ((_ extract 31 31) __ieee754_log10f_~hx~0) ((_ extract 30 23) __ieee754_log10f_~hx~0) ((_ extract 22 0) __ieee754_log10f_~hx~0)) |__ieee754_log10f_#in~x|)) [2018-10-26 20:55:37,329 INFO L425 ceAbstractionStarter]: For program point L108-1(lines 108 112) no Hoare annotation was computed. [2018-10-26 20:55:37,330 INFO L421 ceAbstractionStarter]: At program point L108-3(lines 108 112) the Hoare annotation is: (= |__ieee754_log10f_#in~x| __ieee754_log10f_~x) [2018-10-26 20:55:37,330 INFO L425 ceAbstractionStarter]: For program point L108-4(lines 108 112) no Hoare annotation was computed. [2018-10-26 20:55:37,330 INFO L425 ceAbstractionStarter]: For program point L121(lines 121 129) no Hoare annotation was computed. [2018-10-26 20:55:37,330 INFO L425 ceAbstractionStarter]: For program point L121-1(lines 121 129) no Hoare annotation was computed. [2018-10-26 20:55:37,330 INFO L425 ceAbstractionStarter]: For program point L117(lines 117 118) no Hoare annotation was computed. [2018-10-26 20:55:37,330 INFO L425 ceAbstractionStarter]: For program point L134-1(lines 134 138) no Hoare annotation was computed. [2018-10-26 20:55:37,330 INFO L421 ceAbstractionStarter]: At program point L134-3(lines 134 138) the Hoare annotation is: (exists ((__ieee754_log10f_~hx~0 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_log10f_~hx~0) ((_ extract 30 23) __ieee754_log10f_~hx~0) ((_ extract 22 0) __ieee754_log10f_~hx~0)) |__ieee754_log10f_#in~x|) (bvslt __ieee754_log10f_~hx~0 (_ bv2139095040 32)))) [2018-10-26 20:55:37,331 INFO L421 ceAbstractionStarter]: At program point L134-4(lines 134 138) the Hoare annotation is: (exists ((__ieee754_log10f_~hx~0 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_log10f_~hx~0) ((_ extract 30 23) __ieee754_log10f_~hx~0) ((_ extract 22 0) __ieee754_log10f_~hx~0)) |__ieee754_log10f_#in~x|) (bvslt __ieee754_log10f_~hx~0 (_ bv2139095040 32)))) [2018-10-26 20:55:37,331 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-26 20:55:37,331 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-10-26 20:55:37,331 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-26 20:55:37,331 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-26 20:55:37,331 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 168) no Hoare annotation was computed. [2018-10-26 20:55:37,331 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 155 172) the Hoare annotation is: true [2018-10-26 20:55:37,332 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 155 172) no Hoare annotation was computed. [2018-10-26 20:55:37,332 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 155 172) no Hoare annotation was computed. [2018-10-26 20:55:37,332 INFO L425 ceAbstractionStarter]: For program point L168(line 168) no Hoare annotation was computed. [2018-10-26 20:55:37,332 INFO L421 ceAbstractionStarter]: At program point L167(line 167) the Hoare annotation is: (let ((.cse0 (fp.div RNE ((_ to_fp 8 24) RNE 1.0) (_ +zero 8 24)))) (and (= .cse0 main_~x~0) (= (fp.add RNE .cse0 .cse0) main_~res~0))) [2018-10-26 20:55:37,332 INFO L425 ceAbstractionStarter]: For program point L167-1(lines 167 170) no Hoare annotation was computed. [2018-10-26 20:55:37,332 INFO L421 ceAbstractionStarter]: At program point L164(line 164) the Hoare annotation is: (= (fp.div RNE ((_ to_fp 8 24) RNE 1.0) (_ +zero 8 24)) main_~x~0) [2018-10-26 20:55:37,337 INFO L425 ceAbstractionStarter]: For program point L164-1(line 164) no Hoare annotation was computed. [2018-10-26 20:55:37,349 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-10-26 20:55:37,350 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-10-26 20:55:37,350 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-10-26 20:55:37,350 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-10-26 20:55:37,351 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-10-26 20:55:37,351 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-10-26 20:55:37,351 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-10-26 20:55:37,351 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-10-26 20:55:37,352 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-10-26 20:55:37,354 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-10-26 20:55:37,354 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-10-26 20:55:37,355 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-10-26 20:55:37,355 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-10-26 20:55:37,356 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-10-26 20:55:37,356 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-10-26 20:55:37,356 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-10-26 20:55:37,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 08:55:37 BoogieIcfgContainer [2018-10-26 20:55:37,360 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 20:55:37,360 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 20:55:37,360 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 20:55:37,361 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 20:55:37,361 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:55:26" (3/4) ... [2018-10-26 20:55:37,366 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 20:55:37,372 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-10-26 20:55:37,372 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isinf_float [2018-10-26 20:55:37,373 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_logf [2018-10-26 20:55:37,373 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_log10f [2018-10-26 20:55:37,373 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-10-26 20:55:37,382 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 117 nodes and edges [2018-10-26 20:55:37,383 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 62 nodes and edges [2018-10-26 20:55:37,383 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2018-10-26 20:55:37,384 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-10-26 20:55:37,411 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-10-26 20:55:37,412 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-10-26 20:55:37,412 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists __ieee754_log10f_~hx~0 : bv32 :: ~fp~LONGDOUBLE(__ieee754_log10f_~hx~0[31:31], __ieee754_log10f_~hx~0[30:23], __ieee754_log10f_~hx~0[22:0]) == \old(x) && ~bvslt32(__ieee754_log10f_~hx~0, 2139095040bv32)) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == \old(x) [2018-10-26 20:55:37,413 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists __ieee754_log10f_~hx~0 : bv32 :: ~fp~LONGDOUBLE(__ieee754_log10f_~hx~0[31:31], __ieee754_log10f_~hx~0[30:23], __ieee754_log10f_~hx~0[22:0]) == \old(x) && ~bvslt32(__ieee754_log10f_~hx~0, 2139095040bv32)) [2018-10-26 20:55:37,457 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f1359e70-5173-4613-bdd0-b8529d05705f/bin-2019/utaipan/witness.graphml [2018-10-26 20:55:37,457 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 20:55:37,458 INFO L168 Benchmark]: Toolchain (without parser) took 28457.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 180.4 MB). Free memory was 951.9 MB in the beginning and 913.3 MB in the end (delta: 38.6 MB). Peak memory consumption was 218.9 MB. Max. memory is 11.5 GB. [2018-10-26 20:55:37,458 INFO L168 Benchmark]: CDTParser took 0.44 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 20:55:37,458 INFO L168 Benchmark]: CACSL2BoogieTranslator took 293.49 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 MB in the beginning and 935.8 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-10-26 20:55:37,459 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.66 ms. Allocated memory is still 1.0 GB. Free memory was 935.8 MB in the beginning and 930.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-26 20:55:37,459 INFO L168 Benchmark]: Boogie Preprocessor took 54.97 ms. Allocated memory is still 1.0 GB. Free memory is still 930.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 20:55:37,459 INFO L168 Benchmark]: RCFGBuilder took 16635.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 180.4 MB). Free memory was 930.4 MB in the beginning and 1.1 GB in the end (delta: -189.9 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. [2018-10-26 20:55:37,460 INFO L168 Benchmark]: TraceAbstraction took 11319.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 920.0 MB in the end (delta: 200.3 MB). Peak memory consumption was 200.3 MB. Max. memory is 11.5 GB. [2018-10-26 20:55:37,460 INFO L168 Benchmark]: Witness Printer took 96.82 ms. Allocated memory is still 1.2 GB. Free memory was 920.0 MB in the beginning and 913.3 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-10-26 20:55:37,464 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 293.49 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 MB in the beginning and 935.8 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 52.66 ms. Allocated memory is still 1.0 GB. Free memory was 935.8 MB in the beginning and 930.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 54.97 ms. Allocated memory is still 1.0 GB. Free memory is still 930.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 16635.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 180.4 MB). Free memory was 930.4 MB in the beginning and 1.1 GB in the end (delta: -189.9 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 11319.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 920.0 MB in the end (delta: 200.3 MB). Peak memory consumption was 200.3 MB. Max. memory is 11.5 GB. * Witness Printer took 96.82 ms. Allocated memory is still 1.2 GB. Free memory was 920.0 MB in the beginning and 913.3 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 168]: 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: 48]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 134]: Loop Invariant [2018-10-26 20:55:37,468 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-10-26 20:55:37,468 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-10-26 20:55:37,468 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-10-26 20:55:37,468 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-10-26 20:55:37,468 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-10-26 20:55:37,468 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-10-26 20:55:37,478 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-10-26 20:55:37,478 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] Derived loop invariant: (\exists __ieee754_log10f_~hx~0 : bv32 :: ~fp~LONGDOUBLE(__ieee754_log10f_~hx~0[31:31], __ieee754_log10f_~hx~0[30:23], __ieee754_log10f_~hx~0[22:0]) == \old(x) && ~bvslt32(__ieee754_log10f_~hx~0, 2139095040bv32)) - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 108]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 124]: Loop Invariant [2018-10-26 20:55:37,479 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-10-26 20:55:37,479 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-10-26 20:55:37,479 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-10-26 20:55:37,479 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-10-26 20:55:37,479 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-10-26 20:55:37,479 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-10-26 20:55:37,479 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-10-26 20:55:37,480 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] Derived loop invariant: (\exists __ieee754_log10f_~hx~0 : bv32 :: ~fp~LONGDOUBLE(__ieee754_log10f_~hx~0[31:31], __ieee754_log10f_~hx~0[30:23], __ieee754_log10f_~hx~0[22:0]) == \old(x) && ~bvslt32(__ieee754_log10f_~hx~0, 2139095040bv32)) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == \old(x) - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 62 locations, 1 error locations. SAFE Result, 11.2s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 8.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 311 SDtfs, 67 SDslu, 1165 SDs, 0 SdLazy, 202 SolverSat, 11 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 6.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 145 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=62occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 10 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 17 LocationsWithAnnotation, 29 PreInvPairs, 39 NumberOfFragments, 101 HoareAnnotationTreeSize, 29 FomulaSimplifications, 19 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 17 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 136 NumberOfCodeBlocks, 136 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 131 ConstructedInterpolants, 14 QuantifiedInterpolants, 16761 SizeOfPredicates, 39 NumberOfNonLiveVariables, 764 ConjunctsInSsa, 50 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...