./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0960a_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f5bd1100-c7aa-432d-9bc2-8e0be8583989/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f5bd1100-c7aa-432d-9bc2-8e0be8583989/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f5bd1100-c7aa-432d-9bc2-8e0be8583989/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f5bd1100-c7aa-432d-9bc2-8e0be8583989/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0960a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f5bd1100-c7aa-432d-9bc2-8e0be8583989/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f5bd1100-c7aa-432d-9bc2-8e0be8583989/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 643b85cfda98ac4fd84758bc794baabdbceeba64 ................................................................................................................................................................................................................................................................................................................................. 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_f5bd1100-c7aa-432d-9bc2-8e0be8583989/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f5bd1100-c7aa-432d-9bc2-8e0be8583989/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f5bd1100-c7aa-432d-9bc2-8e0be8583989/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f5bd1100-c7aa-432d-9bc2-8e0be8583989/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0960a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f5bd1100-c7aa-432d-9bc2-8e0be8583989/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f5bd1100-c7aa-432d-9bc2-8e0be8583989/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 643b85cfda98ac4fd84758bc794baabdbceeba64 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 19:15:12,734 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 19:15:12,735 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 19:15:12,742 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 19:15:12,742 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 19:15:12,743 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 19:15:12,744 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 19:15:12,745 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 19:15:12,746 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 19:15:12,747 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 19:15:12,747 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 19:15:12,748 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 19:15:12,748 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 19:15:12,749 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 19:15:12,750 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 19:15:12,750 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 19:15:12,751 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 19:15:12,752 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 19:15:12,754 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 19:15:12,755 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 19:15:12,755 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 19:15:12,756 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 19:15:12,758 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 19:15:12,758 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 19:15:12,758 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 19:15:12,759 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 19:15:12,759 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 19:15:12,760 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 19:15:12,761 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 19:15:12,761 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 19:15:12,761 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 19:15:12,762 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 19:15:12,762 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 19:15:12,762 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 19:15:12,763 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 19:15:12,763 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 19:15:12,763 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f5bd1100-c7aa-432d-9bc2-8e0be8583989/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 19:15:12,772 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 19:15:12,772 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 19:15:12,773 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 19:15:12,773 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 19:15:12,773 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 19:15:12,773 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 19:15:12,773 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 19:15:12,773 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 19:15:12,774 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 19:15:12,774 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 19:15:12,774 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 19:15:12,774 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 19:15:12,774 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 19:15:12,775 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 19:15:12,775 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 19:15:12,775 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 19:15:12,775 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 19:15:12,775 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 19:15:12,776 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 19:15:12,776 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 19:15:12,776 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 19:15:12,776 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 19:15:12,776 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 19:15:12,776 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 19:15:12,776 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 19:15:12,777 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 19:15:12,777 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 19:15:12,777 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 19:15:12,777 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 19:15:12,777 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 19:15:12,777 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 19:15:12,778 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 19:15:12,778 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 19:15:12,778 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 19:15:12,778 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 19:15:12,778 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 19:15:12,778 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_f5bd1100-c7aa-432d-9bc2-8e0be8583989/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 -> 643b85cfda98ac4fd84758bc794baabdbceeba64 [2018-12-02 19:15:12,799 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 19:15:12,806 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 19:15:12,808 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 19:15:12,809 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 19:15:12,809 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 19:15:12,810 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f5bd1100-c7aa-432d-9bc2-8e0be8583989/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0960a_true-unreach-call.c [2018-12-02 19:15:12,843 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f5bd1100-c7aa-432d-9bc2-8e0be8583989/bin-2019/utaipan/data/ebf46fcf2/131823e9184445e99814b53201574f44/FLAGb448d32e1 [2018-12-02 19:15:13,241 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 19:15:13,241 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f5bd1100-c7aa-432d-9bc2-8e0be8583989/sv-benchmarks/c/float-newlib/float_req_bl_0960a_true-unreach-call.c [2018-12-02 19:15:13,245 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f5bd1100-c7aa-432d-9bc2-8e0be8583989/bin-2019/utaipan/data/ebf46fcf2/131823e9184445e99814b53201574f44/FLAGb448d32e1 [2018-12-02 19:15:13,670 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f5bd1100-c7aa-432d-9bc2-8e0be8583989/bin-2019/utaipan/data/ebf46fcf2/131823e9184445e99814b53201574f44 [2018-12-02 19:15:13,672 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 19:15:13,672 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 19:15:13,673 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 19:15:13,673 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 19:15:13,675 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 19:15:13,675 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:15:13" (1/1) ... [2018-12-02 19:15:13,677 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a347b11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:15:13, skipping insertion in model container [2018-12-02 19:15:13,677 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:15:13" (1/1) ... [2018-12-02 19:15:13,683 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 19:15:13,695 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 19:15:13,809 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 19:15:13,812 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 19:15:13,836 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 19:15:13,881 INFO L195 MainTranslator]: Completed translation [2018-12-02 19:15:13,881 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:15:13 WrapperNode [2018-12-02 19:15:13,881 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 19:15:13,882 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 19:15:13,882 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 19:15:13,882 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 19:15:13,889 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:15:13" (1/1) ... [2018-12-02 19:15:13,897 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:15:13" (1/1) ... [2018-12-02 19:15:13,903 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 19:15:13,904 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 19:15:13,904 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 19:15:13,904 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 19:15:13,910 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:15:13" (1/1) ... [2018-12-02 19:15:13,910 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:15:13" (1/1) ... [2018-12-02 19:15:13,913 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:15:13" (1/1) ... [2018-12-02 19:15:13,913 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:15:13" (1/1) ... [2018-12-02 19:15:13,924 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:15:13" (1/1) ... [2018-12-02 19:15:13,929 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:15:13" (1/1) ... [2018-12-02 19:15:13,930 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:15:13" (1/1) ... [2018-12-02 19:15:13,932 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 19:15:13,932 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 19:15:13,932 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 19:15:13,932 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 19:15:13,933 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:15:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f5bd1100-c7aa-432d-9bc2-8e0be8583989/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 19:15:13,964 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 19:15:13,964 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 19:15:13,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-02 19:15:13,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-02 19:15:13,964 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2018-12-02 19:15:13,964 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2018-12-02 19:15:13,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 19:15:13,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 19:15:13,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-02 19:15:13,965 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 19:15:13,965 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_logf [2018-12-02 19:15:13,965 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_logf [2018-12-02 19:15:13,965 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log10f [2018-12-02 19:15:13,965 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log10f [2018-12-02 19:15:13,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 19:15:13,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 19:15:13,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-02 19:15:13,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 19:15:14,181 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 19:15:14,181 INFO L280 CfgBuilder]: Removed 14 assue(true) statements. [2018-12-02 19:15:14,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:15:14 BoogieIcfgContainer [2018-12-02 19:15:14,182 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 19:15:14,182 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 19:15:14,182 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 19:15:14,184 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 19:15:14,184 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 07:15:13" (1/3) ... [2018-12-02 19:15:14,185 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@629f0985 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:15:14, skipping insertion in model container [2018-12-02 19:15:14,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:15:13" (2/3) ... [2018-12-02 19:15:14,185 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@629f0985 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:15:14, skipping insertion in model container [2018-12-02 19:15:14,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:15:14" (3/3) ... [2018-12-02 19:15:14,186 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0960a_true-unreach-call.c [2018-12-02 19:15:14,192 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 19:15:14,196 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 19:15:14,205 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 19:15:14,223 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 19:15:14,223 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 19:15:14,223 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 19:15:14,224 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 19:15:14,224 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 19:15:14,224 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 19:15:14,224 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 19:15:14,224 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 19:15:14,233 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states. [2018-12-02 19:15:14,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-02 19:15:14,237 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 19:15:14,237 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 19:15:14,239 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 19:15:14,242 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 19:15:14,242 INFO L82 PathProgramCache]: Analyzing trace with hash 1623804891, now seen corresponding path program 1 times [2018-12-02 19:15:14,243 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 19:15:14,271 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 19:15:14,271 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 19:15:14,271 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 19:15:14,271 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 19:15:14,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 19:15:14,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 19:15:14,332 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 19:15:14,333 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 19:15:14,333 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 19:15:14,336 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 19:15:14,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 19:15:14,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 19:15:14,344 INFO L87 Difference]: Start difference. First operand 63 states. Second operand 2 states. [2018-12-02 19:15:14,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 19:15:14,360 INFO L93 Difference]: Finished difference Result 118 states and 178 transitions. [2018-12-02 19:15:14,360 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 19:15:14,361 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 23 [2018-12-02 19:15:14,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 19:15:14,366 INFO L225 Difference]: With dead ends: 118 [2018-12-02 19:15:14,366 INFO L226 Difference]: Without dead ends: 59 [2018-12-02 19:15:14,368 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 19:15:14,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2018-12-02 19:15:14,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2018-12-02 19:15:14,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2018-12-02 19:15:14,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 73 transitions. [2018-12-02 19:15:14,392 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 73 transitions. Word has length 23 [2018-12-02 19:15:14,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 19:15:14,392 INFO L480 AbstractCegarLoop]: Abstraction has 59 states and 73 transitions. [2018-12-02 19:15:14,392 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 19:15:14,393 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 73 transitions. [2018-12-02 19:15:14,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-02 19:15:14,393 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 19:15:14,393 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 19:15:14,393 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 19:15:14,394 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 19:15:14,394 INFO L82 PathProgramCache]: Analyzing trace with hash 1366088645, now seen corresponding path program 1 times [2018-12-02 19:15:14,394 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 19:15:14,394 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 19:15:14,394 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 19:15:14,394 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 19:15:14,395 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 19:15:14,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 19:15:14,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 19:15:14,452 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-02 19:15:14,478 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 07:15:14 BoogieIcfgContainer [2018-12-02 19:15:14,478 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 19:15:14,478 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 19:15:14,479 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 19:15:14,479 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 19:15:14,479 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:15:14" (3/4) ... [2018-12-02 19:15:14,481 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-02 19:15:14,481 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 19:15:14,482 INFO L168 Benchmark]: Toolchain (without parser) took 809.98 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 952.4 MB in the beginning and 1.0 GB in the end (delta: -92.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. [2018-12-02 19:15:14,483 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 19:15:14,483 INFO L168 Benchmark]: CACSL2BoogieTranslator took 208.66 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -163.1 MB). Peak memory consumption was 29.6 MB. Max. memory is 11.5 GB. [2018-12-02 19:15:14,483 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.50 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-12-02 19:15:14,484 INFO L168 Benchmark]: Boogie Preprocessor took 28.54 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 19:15:14,484 INFO L168 Benchmark]: RCFGBuilder took 249.52 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 33.0 MB). Peak memory consumption was 33.0 MB. Max. memory is 11.5 GB. [2018-12-02 19:15:14,484 INFO L168 Benchmark]: TraceAbstraction took 296.10 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 33.9 MB). Peak memory consumption was 33.9 MB. Max. memory is 11.5 GB. [2018-12-02 19:15:14,485 INFO L168 Benchmark]: Witness Printer took 2.95 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 19:15:14,487 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 208.66 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -163.1 MB). Peak memory consumption was 29.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.50 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.54 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 249.52 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 33.0 MB). Peak memory consumption was 33.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 296.10 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 33.9 MB). Peak memory consumption was 33.9 MB. Max. memory is 11.5 GB. * Witness Printer took 2.95 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 167]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryArithmeticFLOAToperation at line 117, overapproximation of bitwiseAnd at line 152. Possible FailurePath: [L12-L16] 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; [L18] static const float zero_log = 0.0; [L98-L101] 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; [L103] static const float zero = 0.0; VAL [\old(ivln10_log10)=10737418253, \old(Lg1_log)=10737418250, \old(Lg2_log)=10737418251, \old(Lg3_log)=10737418252, \old(Lg4_log)=10737418255, \old(Lg5_log)=10737418256, \old(Lg6_log)=10737418264, \old(Lg7_log)=10737418261, \old(ln2_hi_log)=10737418242, \old(ln2_lo_log)=10737418245, \old(log10_2hi_log10)=10737418247, \old(log10_2lo_log10)=10737418263, \old(two25_log)=10737418260, \old(two25_log10)=10737418248, \old(zero)=10737418265, \old(zero_log)=10737418246, 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] [L162] float x = 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, x=0, zero=0, zero_log=0] [L163] CALL, EXPR __ieee754_log10f(x) VAL [\old(x)=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, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L106] float y, z; [L107] __int32_t i, k, hx; VAL [\old(x)=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, two25_log=33554432, two25_log10=33554432, x=0, zero=0, zero_log=0] [L110] ieee_float_shape_type gf_u; [L111] gf_u.value = (x) [L112] EXPR gf_u.word [L112] (hx) = gf_u.word [L115] k = 0 VAL [\old(x)=0, hx=-2147483648, ivln10_log10=43429449201/100000000000, k=0, 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=0, zero=0, zero_log=0] [L116] COND TRUE ((hx & 0x7fffffff) == 0) [L117] return -two25_log10 / zero; VAL [\old(x)=0, hx=-2147483648, ivln10_log10=43429449201/100000000000, k=0, 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=0, zero=0, zero_log=0] [L163] RET, EXPR __ieee754_log10f(x) VAL [__ieee754_log10f(x)=10737418241, 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=0, zero=0, zero_log=0] [L163] float res = __ieee754_log10f(x); [L166] CALL, EXPR isinf_float(res) VAL [\old(x)=10737418241, 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] [L146] __int32_t ix; VAL [\old(x)=10737418241, 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=10737418241, zero=0, zero_log=0] [L148] ieee_float_shape_type gf_u; [L149] gf_u.value = (x) [L150] EXPR gf_u.word [L150] (ix) = gf_u.word [L152] ix &= 0x7fffffff [L153] return ((ix) == 0x7f800000L); VAL [\old(x)=10737418241, \result=0, ivln10_log10=43429449201/100000000000, ix=0, 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=10737418241, zero=0, zero_log=0] [L166] RET, 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=10737418241, two25_log=33554432, two25_log10=33554432, x=0, zero=0, zero_log=0] [L166] COND TRUE !isinf_float(res) [L167] __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=10737418241, two25_log=33554432, two25_log10=33554432, x=0, zero=0, zero_log=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 63 locations, 1 error locations. UNSAFE Result, 0.2s 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 0.1.23-635dfa2 [2018-12-02 19:15:15,862 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 19:15:15,863 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 19:15:15,869 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 19:15:15,869 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 19:15:15,870 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 19:15:15,870 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 19:15:15,871 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 19:15:15,872 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 19:15:15,872 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 19:15:15,873 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 19:15:15,873 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 19:15:15,873 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 19:15:15,874 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 19:15:15,874 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 19:15:15,875 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 19:15:15,875 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 19:15:15,876 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 19:15:15,877 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 19:15:15,878 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 19:15:15,878 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 19:15:15,879 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 19:15:15,880 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 19:15:15,880 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 19:15:15,880 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 19:15:15,881 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 19:15:15,881 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 19:15:15,881 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 19:15:15,882 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 19:15:15,882 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 19:15:15,882 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 19:15:15,883 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 19:15:15,883 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 19:15:15,883 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 19:15:15,884 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 19:15:15,884 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 19:15:15,884 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f5bd1100-c7aa-432d-9bc2-8e0be8583989/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-02 19:15:15,891 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 19:15:15,892 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 19:15:15,892 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 19:15:15,892 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 19:15:15,892 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 19:15:15,892 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 19:15:15,892 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 19:15:15,892 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 19:15:15,893 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 19:15:15,893 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 19:15:15,893 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 19:15:15,893 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 19:15:15,893 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 19:15:15,893 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 19:15:15,893 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 19:15:15,893 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 19:15:15,893 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 19:15:15,893 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-02 19:15:15,894 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-02 19:15:15,894 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 19:15:15,894 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 19:15:15,894 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 19:15:15,894 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 19:15:15,894 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 19:15:15,894 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 19:15:15,894 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 19:15:15,894 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 19:15:15,894 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 19:15:15,894 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 19:15:15,894 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 19:15:15,895 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 19:15:15,895 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-02 19:15:15,895 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 19:15:15,895 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-02 19:15:15,895 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-02 19:15:15,895 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_f5bd1100-c7aa-432d-9bc2-8e0be8583989/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 -> 643b85cfda98ac4fd84758bc794baabdbceeba64 [2018-12-02 19:15:15,913 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 19:15:15,923 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 19:15:15,925 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 19:15:15,926 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 19:15:15,927 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 19:15:15,927 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f5bd1100-c7aa-432d-9bc2-8e0be8583989/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0960a_true-unreach-call.c [2018-12-02 19:15:15,971 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f5bd1100-c7aa-432d-9bc2-8e0be8583989/bin-2019/utaipan/data/6ca2d454f/db1e214395e14a6db3b4fab6b085a29a/FLAG528168360 [2018-12-02 19:15:16,373 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 19:15:16,373 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f5bd1100-c7aa-432d-9bc2-8e0be8583989/sv-benchmarks/c/float-newlib/float_req_bl_0960a_true-unreach-call.c [2018-12-02 19:15:16,378 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f5bd1100-c7aa-432d-9bc2-8e0be8583989/bin-2019/utaipan/data/6ca2d454f/db1e214395e14a6db3b4fab6b085a29a/FLAG528168360 [2018-12-02 19:15:16,386 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f5bd1100-c7aa-432d-9bc2-8e0be8583989/bin-2019/utaipan/data/6ca2d454f/db1e214395e14a6db3b4fab6b085a29a [2018-12-02 19:15:16,388 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 19:15:16,389 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 19:15:16,389 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 19:15:16,389 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 19:15:16,391 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 19:15:16,392 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:15:16" (1/1) ... [2018-12-02 19:15:16,394 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36a0bb1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:15:16, skipping insertion in model container [2018-12-02 19:15:16,394 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:15:16" (1/1) ... [2018-12-02 19:15:16,399 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 19:15:16,416 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 19:15:16,544 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 19:15:16,548 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 19:15:16,581 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 19:15:16,596 INFO L195 MainTranslator]: Completed translation [2018-12-02 19:15:16,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:15:16 WrapperNode [2018-12-02 19:15:16,597 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 19:15:16,597 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 19:15:16,597 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 19:15:16,597 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 19:15:16,602 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:15:16" (1/1) ... [2018-12-02 19:15:16,610 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:15:16" (1/1) ... [2018-12-02 19:15:16,614 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 19:15:16,614 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 19:15:16,614 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 19:15:16,614 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 19:15:16,652 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:15:16" (1/1) ... [2018-12-02 19:15:16,652 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:15:16" (1/1) ... [2018-12-02 19:15:16,655 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:15:16" (1/1) ... [2018-12-02 19:15:16,655 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:15:16" (1/1) ... [2018-12-02 19:15:16,665 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:15:16" (1/1) ... [2018-12-02 19:15:16,670 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:15:16" (1/1) ... [2018-12-02 19:15:16,671 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:15:16" (1/1) ... [2018-12-02 19:15:16,674 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 19:15:16,674 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 19:15:16,674 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 19:15:16,674 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 19:15:16,675 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:15:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f5bd1100-c7aa-432d-9bc2-8e0be8583989/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 19:15:16,706 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 19:15:16,706 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 19:15:16,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-12-02 19:15:16,706 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2018-12-02 19:15:16,706 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2018-12-02 19:15:16,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 19:15:16,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 19:15:16,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 19:15:16,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-02 19:15:16,706 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_logf [2018-12-02 19:15:16,707 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_logf [2018-12-02 19:15:16,707 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log10f [2018-12-02 19:15:16,707 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log10f [2018-12-02 19:15:16,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 19:15:16,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 19:15:16,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-12-02 19:15:16,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-02 19:15:16,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 19:15:16,805 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 19:15:18,916 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 19:15:28,441 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 19:15:28,544 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 19:15:30,686 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 19:15:31,135 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 19:15:31,135 INFO L280 CfgBuilder]: Removed 14 assue(true) statements. [2018-12-02 19:15:31,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:15:31 BoogieIcfgContainer [2018-12-02 19:15:31,135 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 19:15:31,136 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 19:15:31,136 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 19:15:31,138 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 19:15:31,138 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 07:15:16" (1/3) ... [2018-12-02 19:15:31,139 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@322eb422 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:15:31, skipping insertion in model container [2018-12-02 19:15:31,139 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:15:16" (2/3) ... [2018-12-02 19:15:31,139 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@322eb422 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:15:31, skipping insertion in model container [2018-12-02 19:15:31,139 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:15:31" (3/3) ... [2018-12-02 19:15:31,140 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0960a_true-unreach-call.c [2018-12-02 19:15:31,146 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 19:15:31,150 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 19:15:31,159 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 19:15:31,176 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 19:15:31,177 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 19:15:31,177 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 19:15:31,177 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 19:15:31,177 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 19:15:31,177 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 19:15:31,177 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 19:15:31,177 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 19:15:31,177 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 19:15:31,187 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states. [2018-12-02 19:15:31,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-02 19:15:31,190 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 19:15:31,191 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 19:15:31,192 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 19:15:31,195 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 19:15:31,196 INFO L82 PathProgramCache]: Analyzing trace with hash 1510744437, now seen corresponding path program 1 times [2018-12-02 19:15:31,198 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 19:15:31,198 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f5bd1100-c7aa-432d-9bc2-8e0be8583989/bin-2019/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-12-02 19:15:31,203 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 19:15:31,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 19:15:31,412 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 19:15:31,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 19:15:31,423 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 19:15:31,434 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 19:15:31,434 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 19:15:31,436 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 19:15:31,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 19:15:31,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 19:15:31,445 INFO L87 Difference]: Start difference. First operand 62 states. Second operand 2 states. [2018-12-02 19:15:31,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 19:15:31,461 INFO L93 Difference]: Finished difference Result 116 states and 176 transitions. [2018-12-02 19:15:31,461 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 19:15:31,462 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 22 [2018-12-02 19:15:31,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 19:15:31,470 INFO L225 Difference]: With dead ends: 116 [2018-12-02 19:15:31,471 INFO L226 Difference]: Without dead ends: 58 [2018-12-02 19:15:31,473 INFO L631 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 [2018-12-02 19:15:31,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2018-12-02 19:15:31,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2018-12-02 19:15:31,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2018-12-02 19:15:31,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 72 transitions. [2018-12-02 19:15:31,498 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 72 transitions. Word has length 22 [2018-12-02 19:15:31,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 19:15:31,499 INFO L480 AbstractCegarLoop]: Abstraction has 58 states and 72 transitions. [2018-12-02 19:15:31,499 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 19:15:31,499 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 72 transitions. [2018-12-02 19:15:31,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-02 19:15:31,500 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 19:15:31,500 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 19:15:31,501 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 19:15:31,501 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 19:15:31,501 INFO L82 PathProgramCache]: Analyzing trace with hash 615057415, now seen corresponding path program 1 times [2018-12-02 19:15:31,502 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 19:15:31,502 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f5bd1100-c7aa-432d-9bc2-8e0be8583989/bin-2019/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-12-02 19:15:31,506 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 19:15:31,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 19:15:31,724 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 19:15:31,936 WARN L180 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-12-02 19:15:32,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 19:15:32,079 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 19:15:32,093 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 19:15:32,093 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-02 19:15:32,094 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-02 19:15:32,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-02 19:15:32,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-02 19:15:32,095 INFO L87 Difference]: Start difference. First operand 58 states and 72 transitions. Second operand 10 states. [2018-12-02 19:15:33,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 19:15:33,931 INFO L93 Difference]: Finished difference Result 65 states and 79 transitions. [2018-12-02 19:15:33,931 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-02 19:15:33,931 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 24 [2018-12-02 19:15:33,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 19:15:33,932 INFO L225 Difference]: With dead ends: 65 [2018-12-02 19:15:33,932 INFO L226 Difference]: Without dead ends: 58 [2018-12-02 19:15:33,933 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2018-12-02 19:15:33,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2018-12-02 19:15:33,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2018-12-02 19:15:33,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2018-12-02 19:15:33,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 71 transitions. [2018-12-02 19:15:33,940 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 71 transitions. Word has length 24 [2018-12-02 19:15:33,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 19:15:33,940 INFO L480 AbstractCegarLoop]: Abstraction has 58 states and 71 transitions. [2018-12-02 19:15:33,940 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-02 19:15:33,940 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 71 transitions. [2018-12-02 19:15:33,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-02 19:15:33,941 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 19:15:33,941 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 19:15:33,941 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 19:15:33,941 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 19:15:33,941 INFO L82 PathProgramCache]: Analyzing trace with hash -1505985488, now seen corresponding path program 1 times [2018-12-02 19:15:33,942 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 19:15:33,942 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f5bd1100-c7aa-432d-9bc2-8e0be8583989/bin-2019/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-12-02 19:15:33,945 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 19:15:34,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 19:15:34,150 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 19:15:34,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 19:15:34,185 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 19:15:34,194 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 19:15:34,194 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 19:15:34,194 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 19:15:34,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 19:15:34,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 19:15:34,195 INFO L87 Difference]: Start difference. First operand 58 states and 71 transitions. Second operand 6 states. [2018-12-02 19:15:34,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 19:15:34,826 INFO L93 Difference]: Finished difference Result 62 states and 75 transitions. [2018-12-02 19:15:34,827 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-02 19:15:34,827 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 25 [2018-12-02 19:15:34,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 19:15:34,827 INFO L225 Difference]: With dead ends: 62 [2018-12-02 19:15:34,828 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 19:15:34,828 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-12-02 19:15:34,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 19:15:34,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 19:15:34,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 19:15:34,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 19:15:34,829 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2018-12-02 19:15:34,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 19:15:34,829 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 19:15:34,829 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 19:15:34,829 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 19:15:34,829 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 19:15:34,832 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 19:15:35,105 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 147 151) no Hoare annotation was computed. [2018-12-02 19:15:35,105 INFO L444 ceAbstractionStarter]: At program point L147-2(lines 147 151) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 33554432.0)) ~two25_log10~0)) (not (= ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)) ~zero~0)) (= |isinf_float_#in~x| isinf_float_~x)) [2018-12-02 19:15:35,105 INFO L448 ceAbstractionStarter]: For program point L147-3(lines 147 151) no Hoare annotation was computed. [2018-12-02 19:15:35,105 INFO L451 ceAbstractionStarter]: At program point isinf_floatENTRY(lines 145 154) the Hoare annotation is: true [2018-12-02 19:15:35,105 INFO L448 ceAbstractionStarter]: For program point isinf_floatEXIT(lines 145 154) no Hoare annotation was computed. [2018-12-02 19:15:35,106 INFO L448 ceAbstractionStarter]: For program point isinf_floatFINAL(lines 145 154) no Hoare annotation was computed. [2018-12-02 19:15:35,106 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 19:15:35,106 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-02 19:15:35,106 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 19:15:35,106 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 32) no Hoare annotation was computed. [2018-12-02 19:15:35,106 INFO L448 ceAbstractionStarter]: For program point L56(lines 56 72) no Hoare annotation was computed. [2018-12-02 19:15:35,106 INFO L448 ceAbstractionStarter]: For program point L85(lines 85 89) no Hoare annotation was computed. [2018-12-02 19:15:35,106 INFO L448 ceAbstractionStarter]: For program point L40-1(lines 40 44) no Hoare annotation was computed. [2018-12-02 19:15:35,106 INFO L451 ceAbstractionStarter]: At program point L40-2(lines 40 44) the Hoare annotation is: true [2018-12-02 19:15:35,106 INFO L451 ceAbstractionStarter]: At program point __ieee754_logfENTRY(lines 20 96) the Hoare annotation is: true [2018-12-02 19:15:35,106 INFO L448 ceAbstractionStarter]: For program point __ieee754_logfFINAL(lines 20 96) no Hoare annotation was computed. [2018-12-02 19:15:35,106 INFO L448 ceAbstractionStarter]: For program point L57(lines 57 64) no Hoare annotation was computed. [2018-12-02 19:15:35,106 INFO L448 ceAbstractionStarter]: For program point L24-1(lines 24 28) no Hoare annotation was computed. [2018-12-02 19:15:35,106 INFO L451 ceAbstractionStarter]: At program point L24-2(lines 24 28) the Hoare annotation is: true [2018-12-02 19:15:35,106 INFO L448 ceAbstractionStarter]: For program point L24-3(lines 24 28) no Hoare annotation was computed. [2018-12-02 19:15:35,106 INFO L448 ceAbstractionStarter]: For program point L49-1(lines 49 53) no Hoare annotation was computed. [2018-12-02 19:15:35,107 INFO L451 ceAbstractionStarter]: At program point L49-2(lines 49 53) the Hoare annotation is: true [2018-12-02 19:15:35,107 INFO L448 ceAbstractionStarter]: For program point L49-3(lines 49 53) no Hoare annotation was computed. [2018-12-02 19:15:35,107 INFO L448 ceAbstractionStarter]: For program point L37(lines 37 45) no Hoare annotation was computed. [2018-12-02 19:15:35,107 INFO L448 ceAbstractionStarter]: For program point L37-1(lines 37 45) no Hoare annotation was computed. [2018-12-02 19:15:35,107 INFO L448 ceAbstractionStarter]: For program point L66(lines 66 71) no Hoare annotation was computed. [2018-12-02 19:15:35,107 INFO L448 ceAbstractionStarter]: For program point L33(lines 33 34) no Hoare annotation was computed. [2018-12-02 19:15:35,107 INFO L448 ceAbstractionStarter]: For program point __ieee754_logfEXIT(lines 20 96) no Hoare annotation was computed. [2018-12-02 19:15:35,107 INFO L448 ceAbstractionStarter]: For program point L91(lines 91 94) no Hoare annotation was computed. [2018-12-02 19:15:35,107 INFO L448 ceAbstractionStarter]: For program point L58(lines 58 63) no Hoare annotation was computed. [2018-12-02 19:15:35,107 INFO L448 ceAbstractionStarter]: For program point L83(lines 83 95) no Hoare annotation was computed. [2018-12-02 19:15:35,107 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 36) no Hoare annotation was computed. [2018-12-02 19:15:35,107 INFO L448 ceAbstractionStarter]: For program point L122(lines 122 130) no Hoare annotation was computed. [2018-12-02 19:15:35,107 INFO L448 ceAbstractionStarter]: For program point L122-1(lines 122 130) no Hoare annotation was computed. [2018-12-02 19:15:35,107 INFO L448 ceAbstractionStarter]: For program point L118(lines 118 119) no Hoare annotation was computed. [2018-12-02 19:15:35,107 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 135 139) no Hoare annotation was computed. [2018-12-02 19:15:35,108 INFO L444 ceAbstractionStarter]: At program point L135-2(lines 135 139) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 33554432.0)) ~two25_log10~0)) (not (= ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)) ~zero~0)) (exists ((__ieee754_log10f_~hx~0 (_ BitVec 32))) (and (not (= (_ bv0 32) (bvand (_ bv2147483647 32) __ieee754_log10f_~hx~0))) (= (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|)))) [2018-12-02 19:15:35,108 INFO L444 ceAbstractionStarter]: At program point L135-3(lines 135 139) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 33554432.0)) ~two25_log10~0)) (not (= ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)) ~zero~0)) (exists ((__ieee754_log10f_~hx~0 (_ BitVec 32))) (and (not (= (_ bv0 32) (bvand (_ bv2147483647 32) __ieee754_log10f_~hx~0))) (= (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|)))) [2018-12-02 19:15:35,108 INFO L448 ceAbstractionStarter]: For program point L140(line 140) no Hoare annotation was computed. [2018-12-02 19:15:35,108 INFO L451 ceAbstractionStarter]: At program point __ieee754_log10fENTRY(lines 105 142) the Hoare annotation is: true [2018-12-02 19:15:35,108 INFO L448 ceAbstractionStarter]: For program point __ieee754_log10fEXIT(lines 105 142) no Hoare annotation was computed. [2018-12-02 19:15:35,108 INFO L448 ceAbstractionStarter]: For program point __ieee754_log10fFINAL(lines 105 142) no Hoare annotation was computed. [2018-12-02 19:15:35,108 INFO L448 ceAbstractionStarter]: For program point L120(lines 120 121) no Hoare annotation was computed. [2018-12-02 19:15:35,108 INFO L448 ceAbstractionStarter]: For program point L116(lines 116 117) no Hoare annotation was computed. [2018-12-02 19:15:35,108 INFO L448 ceAbstractionStarter]: For program point L125-1(lines 125 129) no Hoare annotation was computed. [2018-12-02 19:15:35,108 INFO L444 ceAbstractionStarter]: At program point L125-2(lines 125 129) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 33554432.0)) ~two25_log10~0)) (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|) (exists ((__ieee754_log10f_~hx~0 (_ BitVec 32))) (and (not (= (_ bv0 32) (bvand (_ bv2147483647 32) __ieee754_log10f_~hx~0))) (= (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|)))) (not (= ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)) ~zero~0))) [2018-12-02 19:15:35,108 INFO L448 ceAbstractionStarter]: For program point L109-1(lines 109 113) no Hoare annotation was computed. [2018-12-02 19:15:35,109 INFO L444 ceAbstractionStarter]: At program point L109-2(lines 109 113) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 33554432.0)) ~two25_log10~0)) (not (= ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)) ~zero~0)) (= |__ieee754_log10f_#in~x| __ieee754_log10f_~x)) [2018-12-02 19:15:35,109 INFO L448 ceAbstractionStarter]: For program point L109-3(lines 109 113) no Hoare annotation was computed. [2018-12-02 19:15:35,109 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 19:15:35,109 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)) ~zero~0) (= ~two25_log10~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 33554432.0)))) [2018-12-02 19:15:35,109 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 19:15:35,109 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 19:15:35,109 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 156 172) the Hoare annotation is: true [2018-12-02 19:15:35,109 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 156 172) no Hoare annotation was computed. [2018-12-02 19:15:35,109 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 167) no Hoare annotation was computed. [2018-12-02 19:15:35,109 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 156 172) no Hoare annotation was computed. [2018-12-02 19:15:35,109 INFO L448 ceAbstractionStarter]: For program point L167(line 167) no Hoare annotation was computed. [2018-12-02 19:15:35,109 INFO L444 ceAbstractionStarter]: At program point L166(line 166) the Hoare annotation is: (let ((.cse0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 33554432.0))) (.cse1 ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)))) (or (not (= .cse0 ~two25_log10~0)) (= (fp.div roundNearestTiesToEven (fp.neg .cse0) .cse1) main_~res~0) (not (= .cse1 ~zero~0)))) [2018-12-02 19:15:35,109 INFO L448 ceAbstractionStarter]: For program point L166-1(lines 166 169) no Hoare annotation was computed. [2018-12-02 19:15:35,110 INFO L444 ceAbstractionStarter]: At program point L163(line 163) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 33554432.0)) ~two25_log10~0)) (not (= ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)) ~zero~0)) (= (_ +zero 8 24) main_~x~0)) [2018-12-02 19:15:35,110 INFO L448 ceAbstractionStarter]: For program point L163-1(line 163) no Hoare annotation was computed. [2018-12-02 19:15:35,115 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 19:15:35,116 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 19:15:35,116 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 19:15:35,117 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 19:15:35,117 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 19:15:35,117 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 19:15:35,118 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 19:15:35,118 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 19:15:35,119 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 19:15:35,119 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-02 19:15:35,119 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-02 19:15:35,119 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-02 19:15:35,119 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-02 19:15:35,119 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 19:15:35,120 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 19:15:35,120 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 19:15:35,120 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-02 19:15:35,120 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-02 19:15:35,120 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-02 19:15:35,120 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-02 19:15:35,121 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 19:15:35,121 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 19:15:35,121 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 19:15:35,121 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 19:15:35,121 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 19:15:35,121 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 19:15:35,122 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 19:15:35,122 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 19:15:35,122 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-02 19:15:35,122 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-02 19:15:35,122 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-02 19:15:35,122 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-02 19:15:35,123 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 19:15:35,123 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 19:15:35,123 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 19:15:35,123 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-02 19:15:35,123 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-02 19:15:35,123 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-02 19:15:35,123 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-02 19:15:35,124 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 19:15:35,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 07:15:35 BoogieIcfgContainer [2018-12-02 19:15:35,125 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 19:15:35,125 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 19:15:35,125 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 19:15:35,125 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 19:15:35,126 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:15:31" (3/4) ... [2018-12-02 19:15:35,128 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 19:15:35,132 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isinf_float [2018-12-02 19:15:35,132 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 19:15:35,132 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_logf [2018-12-02 19:15:35,132 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_log10f [2018-12-02 19:15:35,132 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 19:15:35,136 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2018-12-02 19:15:35,136 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-12-02 19:15:35,136 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-02 19:15:35,136 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 19:15:35,152 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7)) == two25_log10) || !(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) == zero)) || \old(x) == x [2018-12-02 19:15:35,152 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7)) == two25_log10) || !(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) == zero)) || \old(x) == x [2018-12-02 19:15:35,152 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7)) == two25_log10) || (~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == \old(x) && (\exists __ieee754_log10f_~hx~0 : bv32 :: !(0bv32 == ~bvand32(2147483647bv32, __ieee754_log10f_~hx~0)) && ~fp~LONGDOUBLE(__ieee754_log10f_~hx~0[31:31], __ieee754_log10f_~hx~0[30:23], __ieee754_log10f_~hx~0[22:0]) == \old(x)))) || !(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) == zero) [2018-12-02 19:15:35,153 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7)) == two25_log10) || !(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) == zero)) || (\exists __ieee754_log10f_~hx~0 : bv32 :: !(0bv32 == ~bvand32(2147483647bv32, __ieee754_log10f_~hx~0)) && ~fp~LONGDOUBLE(__ieee754_log10f_~hx~0[31:31], __ieee754_log10f_~hx~0[30:23], __ieee754_log10f_~hx~0[22:0]) == \old(x)) [2018-12-02 19:15:35,171 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f5bd1100-c7aa-432d-9bc2-8e0be8583989/bin-2019/utaipan/witness.graphml [2018-12-02 19:15:35,171 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 19:15:35,172 INFO L168 Benchmark]: Toolchain (without parser) took 18783.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 944.7 MB in the beginning and 938.4 MB in the end (delta: 6.3 MB). Peak memory consumption was 161.0 MB. Max. memory is 11.5 GB. [2018-12-02 19:15:35,172 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 19:15:35,172 INFO L168 Benchmark]: CACSL2BoogieTranslator took 207.60 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 928.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-02 19:15:35,172 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.09 ms. Allocated memory is still 1.0 GB. Free memory is still 928.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 19:15:35,173 INFO L168 Benchmark]: Boogie Preprocessor took 59.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -214.7 MB). Peak memory consumption was 19.6 MB. Max. memory is 11.5 GB. [2018-12-02 19:15:35,173 INFO L168 Benchmark]: RCFGBuilder took 14461.56 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: 38.8 MB). Peak memory consumption was 38.8 MB. Max. memory is 11.5 GB. [2018-12-02 19:15:35,173 INFO L168 Benchmark]: TraceAbstraction took 3989.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 944.9 MB in the end (delta: 159.6 MB). Peak memory consumption was 159.6 MB. Max. memory is 11.5 GB. [2018-12-02 19:15:35,173 INFO L168 Benchmark]: Witness Printer took 45.95 ms. Allocated memory is still 1.2 GB. Free memory was 944.9 MB in the beginning and 938.4 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-12-02 19:15:35,174 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 207.60 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 928.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 17.09 ms. Allocated memory is still 1.0 GB. Free memory is still 928.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 59.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -214.7 MB). Peak memory consumption was 19.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 14461.56 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: 38.8 MB). Peak memory consumption was 38.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3989.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 944.9 MB in the end (delta: 159.6 MB). Peak memory consumption was 159.6 MB. Max. memory is 11.5 GB. * Witness Printer took 45.95 ms. Allocated memory is still 1.2 GB. Free memory was 944.9 MB in the beginning and 938.4 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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - 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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - 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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - 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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - 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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 167]: 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: 49]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 147]: Loop Invariant [2018-12-02 19:15:35,177 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 19:15:35,177 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 19:15:35,177 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 19:15:35,177 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 19:15:35,177 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 19:15:35,178 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7)) == two25_log10) || !(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) == zero)) || \old(x) == x - InvariantResult [Line: 135]: Loop Invariant [2018-12-02 19:15:35,178 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 19:15:35,178 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 19:15:35,178 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 19:15:35,178 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-02 19:15:35,178 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-02 19:15:35,178 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-02 19:15:35,179 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-02 19:15:35,179 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 19:15:35,179 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 19:15:35,179 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 19:15:35,179 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-02 19:15:35,179 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-02 19:15:35,179 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-02 19:15:35,179 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] Derived loop invariant: (!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7)) == two25_log10) || !(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) == zero)) || (\exists __ieee754_log10f_~hx~0 : bv32 :: !(0bv32 == ~bvand32(2147483647bv32, __ieee754_log10f_~hx~0)) && ~fp~LONGDOUBLE(__ieee754_log10f_~hx~0[31:31], __ieee754_log10f_~hx~0[30:23], __ieee754_log10f_~hx~0[22:0]) == \old(x)) - InvariantResult [Line: 109]: Loop Invariant [2018-12-02 19:15:35,180 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 19:15:35,180 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 19:15:35,180 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 19:15:35,180 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 19:15:35,180 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 19:15:35,180 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7)) == two25_log10) || !(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) == zero)) || \old(x) == x - InvariantResult [Line: 125]: Loop Invariant [2018-12-02 19:15:35,180 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 19:15:35,181 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 19:15:35,181 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-02 19:15:35,181 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-02 19:15:35,181 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-02 19:15:35,181 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-02 19:15:35,181 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 19:15:35,181 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 19:15:35,181 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 19:15:35,182 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-02 19:15:35,182 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-02 19:15:35,182 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-02 19:15:35,182 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-02 19:15:35,182 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7)) == two25_log10) || (~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == \old(x) && (\exists __ieee754_log10f_~hx~0 : bv32 :: !(0bv32 == ~bvand32(2147483647bv32, __ieee754_log10f_~hx~0)) && ~fp~LONGDOUBLE(__ieee754_log10f_~hx~0[31:31], __ieee754_log10f_~hx~0[30:23], __ieee754_log10f_~hx~0[22:0]) == \old(x)))) || !(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) == zero) - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 62 locations, 1 error locations. SAFE Result, 3.9s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 2.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 192 SDtfs, 91 SDslu, 616 SDs, 0 SdLazy, 105 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 78 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.6s 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 17 LocationsWithAnnotation, 25 PreInvPairs, 35 NumberOfFragments, 210 HoareAnnotationTreeSize, 25 FomulaSimplifications, 34 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 17 FomulaSimplificationsInter, 279 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 71 NumberOfCodeBlocks, 71 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 68 ConstructedInterpolants, 5 QuantifiedInterpolants, 10132 SizeOfPredicates, 8 NumberOfNonLiveVariables, 337 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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...