./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1122a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_1b6e6780-1deb-43ac-9398-fb9b20902f1b/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_1b6e6780-1deb-43ac-9398-fb9b20902f1b/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1b6e6780-1deb-43ac-9398-fb9b20902f1b/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1b6e6780-1deb-43ac-9398-fb9b20902f1b/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1122a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_1b6e6780-1deb-43ac-9398-fb9b20902f1b/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1b6e6780-1deb-43ac-9398-fb9b20902f1b/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d0f6d13a759f4ddcf05c9602696acd1e2bc4b5be ................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_1b6e6780-1deb-43ac-9398-fb9b20902f1b/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_1b6e6780-1deb-43ac-9398-fb9b20902f1b/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1b6e6780-1deb-43ac-9398-fb9b20902f1b/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1b6e6780-1deb-43ac-9398-fb9b20902f1b/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1122a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_1b6e6780-1deb-43ac-9398-fb9b20902f1b/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1b6e6780-1deb-43ac-9398-fb9b20902f1b/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d0f6d13a759f4ddcf05c9602696acd1e2bc4b5be .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2020-12-09 12:24:22,864 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 12:24:22,866 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 12:24:22,888 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 12:24:22,888 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 12:24:22,889 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 12:24:22,890 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 12:24:22,892 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 12:24:22,894 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 12:24:22,895 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 12:24:22,896 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 12:24:22,897 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 12:24:22,897 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 12:24:22,898 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 12:24:22,899 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 12:24:22,900 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 12:24:22,901 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 12:24:22,901 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 12:24:22,903 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 12:24:22,905 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 12:24:22,906 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 12:24:22,907 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 12:24:22,908 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 12:24:22,913 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 12:24:22,916 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 12:24:22,916 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 12:24:22,916 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 12:24:22,917 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 12:24:22,918 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 12:24:22,918 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 12:24:22,919 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 12:24:22,919 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 12:24:22,920 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 12:24:22,921 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 12:24:22,921 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 12:24:22,921 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 12:24:22,922 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 12:24:22,922 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 12:24:22,922 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 12:24:22,923 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 12:24:22,923 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 12:24:22,924 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1b6e6780-1deb-43ac-9398-fb9b20902f1b/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-12-09 12:24:22,945 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 12:24:22,945 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 12:24:22,946 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 12:24:22,946 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 12:24:22,946 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 12:24:22,946 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 12:24:22,947 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 12:24:22,947 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 12:24:22,947 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 12:24:22,947 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 12:24:22,952 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 12:24:22,952 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 12:24:22,952 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 12:24:22,952 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 12:24:22,952 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 12:24:22,953 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 12:24:22,953 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 12:24:22,953 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 12:24:22,954 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 12:24:22,954 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 12:24:22,954 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 12:24:22,954 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 12:24:22,954 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 12:24:22,954 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 12:24:22,954 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 12:24:22,954 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 12:24:22,955 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 12:24:22,955 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 12:24:22,955 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 12:24:22,955 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 12:24:22,955 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 12:24:22,955 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 12:24:22,955 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 12:24:22,956 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 12:24:22,956 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 12:24:22,956 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 12:24:22,956 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 12:24:22,956 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 12:24:22,956 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 12:24:22,957 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_1b6e6780-1deb-43ac-9398-fb9b20902f1b/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_1b6e6780-1deb-43ac-9398-fb9b20902f1b/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d0f6d13a759f4ddcf05c9602696acd1e2bc4b5be [2020-12-09 12:24:23,137 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 12:24:23,154 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 12:24:23,156 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 12:24:23,156 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 12:24:23,157 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 12:24:23,158 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1b6e6780-1deb-43ac-9398-fb9b20902f1b/bin/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_1122a.c [2020-12-09 12:24:23,200 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1b6e6780-1deb-43ac-9398-fb9b20902f1b/bin/utaipan/data/8002f70dc/db6c3112a6ca4a34b8f53608d240315d/FLAG050acf921 [2020-12-09 12:24:23,564 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 12:24:23,564 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1b6e6780-1deb-43ac-9398-fb9b20902f1b/sv-benchmarks/c/float-newlib/float_req_bl_1122a.c [2020-12-09 12:24:23,570 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1b6e6780-1deb-43ac-9398-fb9b20902f1b/bin/utaipan/data/8002f70dc/db6c3112a6ca4a34b8f53608d240315d/FLAG050acf921 [2020-12-09 12:24:23,582 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1b6e6780-1deb-43ac-9398-fb9b20902f1b/bin/utaipan/data/8002f70dc/db6c3112a6ca4a34b8f53608d240315d [2020-12-09 12:24:23,584 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 12:24:23,585 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 12:24:23,587 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 12:24:23,587 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 12:24:23,590 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 12:24:23,591 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:24:23" (1/1) ... [2020-12-09 12:24:23,593 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@371cd412 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:24:23, skipping insertion in model container [2020-12-09 12:24:23,593 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:24:23" (1/1) ... [2020-12-09 12:24:23,600 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 12:24:23,618 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 12:24:23,742 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1b6e6780-1deb-43ac-9398-fb9b20902f1b/sv-benchmarks/c/float-newlib/float_req_bl_1122a.c[2725,2738] [2020-12-09 12:24:23,745 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 12:24:23,750 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 12:24:23,773 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1b6e6780-1deb-43ac-9398-fb9b20902f1b/sv-benchmarks/c/float-newlib/float_req_bl_1122a.c[2725,2738] [2020-12-09 12:24:23,774 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 12:24:23,785 INFO L208 MainTranslator]: Completed translation [2020-12-09 12:24:23,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:24:23 WrapperNode [2020-12-09 12:24:23,786 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 12:24:23,786 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 12:24:23,787 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 12:24:23,787 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 12:24:23,792 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:24:23" (1/1) ... [2020-12-09 12:24:23,799 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:24:23" (1/1) ... [2020-12-09 12:24:23,818 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 12:24:23,819 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 12:24:23,819 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 12:24:23,819 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 12:24:23,826 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:24:23" (1/1) ... [2020-12-09 12:24:23,826 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:24:23" (1/1) ... [2020-12-09 12:24:23,828 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:24:23" (1/1) ... [2020-12-09 12:24:23,829 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:24:23" (1/1) ... [2020-12-09 12:24:23,835 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:24:23" (1/1) ... [2020-12-09 12:24:23,840 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:24:23" (1/1) ... [2020-12-09 12:24:23,842 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:24:23" (1/1) ... [2020-12-09 12:24:23,844 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 12:24:23,845 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 12:24:23,845 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 12:24:23,845 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 12:24:23,846 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:24:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1b6e6780-1deb-43ac-9398-fb9b20902f1b/bin/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 [2020-12-09 12:24:23,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-09 12:24:23,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 12:24:23,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-09 12:24:23,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-12-09 12:24:23,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-12-09 12:24:23,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 12:24:23,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 12:24:23,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-09 12:24:23,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-12-09 12:24:23,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-09 12:24:24,234 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 12:24:24,235 INFO L299 CfgBuilder]: Removed 20 assume(true) statements. [2020-12-09 12:24:24,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:24:24 BoogieIcfgContainer [2020-12-09 12:24:24,237 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 12:24:24,239 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 12:24:24,239 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 12:24:24,241 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 12:24:24,241 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 12:24:23" (1/3) ... [2020-12-09 12:24:24,242 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@698e32c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:24:24, skipping insertion in model container [2020-12-09 12:24:24,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:24:23" (2/3) ... [2020-12-09 12:24:24,242 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@698e32c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:24:24, skipping insertion in model container [2020-12-09 12:24:24,243 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:24:24" (3/3) ... [2020-12-09 12:24:24,244 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1122a.c [2020-12-09 12:24:24,253 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 12:24:24,256 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-09 12:24:24,265 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-09 12:24:24,284 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 12:24:24,284 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 12:24:24,284 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 12:24:24,284 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 12:24:24,284 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 12:24:24,284 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 12:24:24,285 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 12:24:24,285 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 12:24:24,294 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states. [2020-12-09 12:24:24,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-09 12:24:24,297 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 12:24:24,298 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 12:24:24,298 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 12:24:24,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 12:24:24,302 INFO L82 PathProgramCache]: Analyzing trace with hash 1340340375, now seen corresponding path program 1 times [2020-12-09 12:24:24,308 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 12:24:24,308 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446915062] [2020-12-09 12:24:24,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 12:24:24,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 12:24:24,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 12:24:24,400 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446915062] [2020-12-09 12:24:24,400 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 12:24:24,401 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 12:24:24,401 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4283410] [2020-12-09 12:24:24,404 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-09 12:24:24,404 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 12:24:24,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-09 12:24:24,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-09 12:24:24,414 INFO L87 Difference]: Start difference. First operand 34 states. Second operand 2 states. [2020-12-09 12:24:24,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 12:24:24,427 INFO L93 Difference]: Finished difference Result 67 states and 111 transitions. [2020-12-09 12:24:24,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-09 12:24:24,428 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2020-12-09 12:24:24,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 12:24:24,434 INFO L225 Difference]: With dead ends: 67 [2020-12-09 12:24:24,434 INFO L226 Difference]: Without dead ends: 32 [2020-12-09 12:24:24,436 INFO L677 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 [2020-12-09 12:24:24,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-12-09 12:24:24,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2020-12-09 12:24:24,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-12-09 12:24:24,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 44 transitions. [2020-12-09 12:24:24,459 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 44 transitions. Word has length 8 [2020-12-09 12:24:24,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 12:24:24,459 INFO L481 AbstractCegarLoop]: Abstraction has 32 states and 44 transitions. [2020-12-09 12:24:24,459 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-09 12:24:24,459 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 44 transitions. [2020-12-09 12:24:24,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-09 12:24:24,459 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 12:24:24,459 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 12:24:24,460 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-09 12:24:24,460 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 12:24:24,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 12:24:24,460 INFO L82 PathProgramCache]: Analyzing trace with hash 932107514, now seen corresponding path program 1 times [2020-12-09 12:24:24,461 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 12:24:24,461 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69809426] [2020-12-09 12:24:24,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 12:24:24,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-09 12:24:24,507 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-09 12:24:24,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-09 12:24:24,539 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-09 12:24:24,557 INFO L173 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2020-12-09 12:24:24,557 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-09 12:24:24,557 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-09 12:24:24,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 12:24:24 BoogieIcfgContainer [2020-12-09 12:24:24,577 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 12:24:24,578 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 12:24:24,578 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 12:24:24,578 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 12:24:24,578 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:24:24" (3/4) ... [2020-12-09 12:24:24,580 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-09 12:24:24,581 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 12:24:24,582 INFO L168 Benchmark]: Toolchain (without parser) took 995.86 ms. Allocated memory is still 109.1 MB. Free memory was 82.5 MB in the beginning and 52.1 MB in the end (delta: 30.3 MB). Peak memory consumption was 30.4 MB. Max. memory is 16.1 GB. [2020-12-09 12:24:24,582 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 71.3 MB. Free memory was 43.4 MB in the beginning and 43.3 MB in the end (delta: 75.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 12:24:24,583 INFO L168 Benchmark]: CACSL2BoogieTranslator took 198.85 ms. Allocated memory is still 109.1 MB. Free memory was 82.1 MB in the beginning and 80.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-09 12:24:24,583 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.87 ms. Allocated memory is still 109.1 MB. Free memory was 80.1 MB in the beginning and 77.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 12:24:24,584 INFO L168 Benchmark]: Boogie Preprocessor took 25.62 ms. Allocated memory is still 109.1 MB. Free memory was 77.9 MB in the beginning and 76.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 12:24:24,584 INFO L168 Benchmark]: RCFGBuilder took 392.22 ms. Allocated memory is still 109.1 MB. Free memory was 76.2 MB in the beginning and 78.3 MB in the end (delta: -2.2 MB). Peak memory consumption was 27.7 MB. Max. memory is 16.1 GB. [2020-12-09 12:24:24,585 INFO L168 Benchmark]: TraceAbstraction took 338.76 ms. Allocated memory is still 109.1 MB. Free memory was 77.8 MB in the beginning and 52.6 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2020-12-09 12:24:24,585 INFO L168 Benchmark]: Witness Printer took 2.89 ms. Allocated memory is still 109.1 MB. Free memory was 52.6 MB in the beginning and 52.1 MB in the end (delta: 504.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 12:24:24,588 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 71.3 MB. Free memory was 43.4 MB in the beginning and 43.3 MB in the end (delta: 75.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 198.85 ms. Allocated memory is still 109.1 MB. Free memory was 82.1 MB in the beginning and 80.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 31.87 ms. Allocated memory is still 109.1 MB. Free memory was 80.1 MB in the beginning and 77.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 25.62 ms. Allocated memory is still 109.1 MB. Free memory was 77.9 MB in the beginning and 76.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 392.22 ms. Allocated memory is still 109.1 MB. Free memory was 76.2 MB in the beginning and 78.3 MB in the end (delta: -2.2 MB). Peak memory consumption was 27.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 338.76 ms. Allocated memory is still 109.1 MB. Free memory was 77.8 MB in the beginning and 52.6 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * Witness Printer took 2.89 ms. Allocated memory is still 109.1 MB. Free memory was 52.6 MB in the beginning and 52.1 MB in the end (delta: 504.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 125]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 110, overapproximation of someUnaryDOUBLEoperation at line 16, overapproximation of bitwiseAnd at line 32, overapproximation of someBinaryArithmeticFLOAToperation at line 37, overapproximation of bitwiseXor at line 33. Possible FailurePath: [L14-L17] static const float one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; [L119] float x = 1.0f / 0.0f; [L120] float y = __VERIFIER_nondet_float(); [L20] __int32_t n, hx, hy, hz, ix, iy, sx, i; VAL [one_fmod=1, Zero_fmod={9:0}] [L23] ieee_float_shape_type gf_u; [L24] gf_u.value = (x) [L25] EXPR gf_u.word [L25] (hx) = gf_u.word [L28] ieee_float_shape_type gf_u; [L29] gf_u.value = (y) [L30] EXPR gf_u.word [L30] (hy) = gf_u.word [L32] sx = hx & 0x80000000 [L33] hx ^= sx [L34] hy &= 0x7fffffff VAL [one_fmod=1, Zero_fmod={9:0}] [L36] COND TRUE ((hy) == 0) || !((hx) < 0x7f800000L) || ((hy) > 0x7f800000L) [L37] return (x * y) / (x * y); VAL [one_fmod=1, Zero_fmod={9:0}] [L121] float res = fmod_float(x, y); [L110] return x != x; [L124] COND TRUE !isnan_float(res) [L125] reach_error() VAL [one_fmod=1, Zero_fmod={9:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 34 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.2s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 46 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=34occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 49 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: 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 0.2.0-7b2dab5 [2020-12-09 12:24:26,169 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 12:24:26,171 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 12:24:26,200 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 12:24:26,201 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 12:24:26,202 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 12:24:26,204 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 12:24:26,206 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 12:24:26,208 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 12:24:26,209 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 12:24:26,210 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 12:24:26,215 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 12:24:26,216 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 12:24:26,217 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 12:24:26,218 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 12:24:26,219 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 12:24:26,220 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 12:24:26,221 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 12:24:26,223 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 12:24:26,225 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 12:24:26,227 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 12:24:26,229 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 12:24:26,230 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 12:24:26,231 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 12:24:26,235 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 12:24:26,235 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 12:24:26,235 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 12:24:26,236 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 12:24:26,237 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 12:24:26,238 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 12:24:26,238 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 12:24:26,239 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 12:24:26,240 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 12:24:26,241 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 12:24:26,242 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 12:24:26,242 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 12:24:26,243 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 12:24:26,243 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 12:24:26,243 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 12:24:26,244 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 12:24:26,245 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 12:24:26,246 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1b6e6780-1deb-43ac-9398-fb9b20902f1b/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-12-09 12:24:26,270 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 12:24:26,270 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 12:24:26,271 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 12:24:26,271 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 12:24:26,271 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 12:24:26,271 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 12:24:26,271 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 12:24:26,272 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 12:24:26,272 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 12:24:26,272 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 12:24:26,273 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 12:24:26,273 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 12:24:26,273 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 12:24:26,273 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 12:24:26,273 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 12:24:26,274 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 12:24:26,274 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 12:24:26,274 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-09 12:24:26,274 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-09 12:24:26,274 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 12:24:26,274 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 12:24:26,275 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 12:24:26,275 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 12:24:26,275 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 12:24:26,275 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-09 12:24:26,275 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 12:24:26,275 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 12:24:26,276 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 12:24:26,276 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 12:24:26,276 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 12:24:26,276 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-09 12:24:26,276 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-09 12:24:26,277 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 12:24:26,277 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 12:24:26,277 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 12:24:26,277 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_1b6e6780-1deb-43ac-9398-fb9b20902f1b/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_1b6e6780-1deb-43ac-9398-fb9b20902f1b/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d0f6d13a759f4ddcf05c9602696acd1e2bc4b5be [2020-12-09 12:24:26,519 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 12:24:26,537 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 12:24:26,539 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 12:24:26,540 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 12:24:26,540 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 12:24:26,541 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1b6e6780-1deb-43ac-9398-fb9b20902f1b/bin/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_1122a.c [2020-12-09 12:24:26,582 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1b6e6780-1deb-43ac-9398-fb9b20902f1b/bin/utaipan/data/746cb404e/c746a03d2f7c49a1bb918a1ed47b21b2/FLAG59999dfc7 [2020-12-09 12:24:26,959 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 12:24:26,959 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1b6e6780-1deb-43ac-9398-fb9b20902f1b/sv-benchmarks/c/float-newlib/float_req_bl_1122a.c [2020-12-09 12:24:26,965 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1b6e6780-1deb-43ac-9398-fb9b20902f1b/bin/utaipan/data/746cb404e/c746a03d2f7c49a1bb918a1ed47b21b2/FLAG59999dfc7 [2020-12-09 12:24:26,978 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1b6e6780-1deb-43ac-9398-fb9b20902f1b/bin/utaipan/data/746cb404e/c746a03d2f7c49a1bb918a1ed47b21b2 [2020-12-09 12:24:26,980 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 12:24:26,982 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 12:24:26,983 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 12:24:26,983 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 12:24:26,985 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 12:24:26,986 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:24:26" (1/1) ... [2020-12-09 12:24:26,987 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b20ddfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:24:26, skipping insertion in model container [2020-12-09 12:24:26,988 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:24:26" (1/1) ... [2020-12-09 12:24:26,993 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 12:24:27,011 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 12:24:27,152 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1b6e6780-1deb-43ac-9398-fb9b20902f1b/sv-benchmarks/c/float-newlib/float_req_bl_1122a.c[2725,2738] [2020-12-09 12:24:27,154 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 12:24:27,164 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 12:24:27,190 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1b6e6780-1deb-43ac-9398-fb9b20902f1b/sv-benchmarks/c/float-newlib/float_req_bl_1122a.c[2725,2738] [2020-12-09 12:24:27,190 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 12:24:27,204 INFO L208 MainTranslator]: Completed translation [2020-12-09 12:24:27,204 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:24:27 WrapperNode [2020-12-09 12:24:27,205 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 12:24:27,205 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 12:24:27,206 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 12:24:27,206 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 12:24:27,211 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:24:27" (1/1) ... [2020-12-09 12:24:27,220 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:24:27" (1/1) ... [2020-12-09 12:24:27,238 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 12:24:27,239 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 12:24:27,239 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 12:24:27,239 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 12:24:27,245 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:24:27" (1/1) ... [2020-12-09 12:24:27,246 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:24:27" (1/1) ... [2020-12-09 12:24:27,250 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:24:27" (1/1) ... [2020-12-09 12:24:27,250 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:24:27" (1/1) ... [2020-12-09 12:24:27,258 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:24:27" (1/1) ... [2020-12-09 12:24:27,263 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:24:27" (1/1) ... [2020-12-09 12:24:27,266 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:24:27" (1/1) ... [2020-12-09 12:24:27,269 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 12:24:27,270 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 12:24:27,270 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 12:24:27,270 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 12:24:27,271 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:24:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1b6e6780-1deb-43ac-9398-fb9b20902f1b/bin/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 [2020-12-09 12:24:27,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2020-12-09 12:24:27,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-09 12:24:27,329 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 12:24:27,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-12-09 12:24:27,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-09 12:24:27,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 12:24:27,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 12:24:27,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2020-12-09 12:24:27,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-09 12:24:27,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-09 12:24:29,887 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 12:24:29,888 INFO L299 CfgBuilder]: Removed 20 assume(true) statements. [2020-12-09 12:24:29,889 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:24:29 BoogieIcfgContainer [2020-12-09 12:24:29,889 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 12:24:29,890 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 12:24:29,890 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 12:24:29,896 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 12:24:29,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 12:24:26" (1/3) ... [2020-12-09 12:24:29,897 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@382443aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:24:29, skipping insertion in model container [2020-12-09 12:24:29,897 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:24:27" (2/3) ... [2020-12-09 12:24:29,897 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@382443aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:24:29, skipping insertion in model container [2020-12-09 12:24:29,897 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:24:29" (3/3) ... [2020-12-09 12:24:29,898 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1122a.c [2020-12-09 12:24:29,908 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 12:24:29,910 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-09 12:24:29,917 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-09 12:24:29,932 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 12:24:29,932 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 12:24:29,932 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 12:24:29,933 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 12:24:29,933 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 12:24:29,933 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 12:24:29,933 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 12:24:29,933 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 12:24:29,942 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states. [2020-12-09 12:24:29,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-09 12:24:29,945 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 12:24:29,945 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 12:24:29,946 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 12:24:29,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 12:24:29,949 INFO L82 PathProgramCache]: Analyzing trace with hash 666555284, now seen corresponding path program 1 times [2020-12-09 12:24:29,957 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 12:24:29,958 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [211732829] [2020-12-09 12:24:29,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1b6e6780-1deb-43ac-9398-fb9b20902f1b/bin/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 [2020-12-09 12:24:30,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 12:24:30,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 1 conjunts are in the unsatisfiable core [2020-12-09 12:24:30,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 12:24:30,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 12:24:30,238 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 12:24:30,239 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [211732829] [2020-12-09 12:24:30,239 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 12:24:30,239 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 12:24:30,240 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469928185] [2020-12-09 12:24:30,242 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-09 12:24:30,242 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 12:24:30,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-09 12:24:30,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-09 12:24:30,256 INFO L87 Difference]: Start difference. First operand 42 states. Second operand 2 states. [2020-12-09 12:24:30,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 12:24:30,269 INFO L93 Difference]: Finished difference Result 82 states and 138 transitions. [2020-12-09 12:24:30,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-09 12:24:30,270 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-12-09 12:24:30,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 12:24:30,276 INFO L225 Difference]: With dead ends: 82 [2020-12-09 12:24:30,276 INFO L226 Difference]: Without dead ends: 39 [2020-12-09 12:24:30,278 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-09 12:24:30,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2020-12-09 12:24:30,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2020-12-09 12:24:30,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-12-09 12:24:30,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 54 transitions. [2020-12-09 12:24:30,301 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 54 transitions. Word has length 10 [2020-12-09 12:24:30,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 12:24:30,301 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 54 transitions. [2020-12-09 12:24:30,301 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-09 12:24:30,302 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2020-12-09 12:24:30,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-09 12:24:30,302 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 12:24:30,302 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 12:24:30,503 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-09 12:24:30,504 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 12:24:30,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 12:24:30,507 INFO L82 PathProgramCache]: Analyzing trace with hash 131116369, now seen corresponding path program 1 times [2020-12-09 12:24:30,509 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 12:24:30,510 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1145568251] [2020-12-09 12:24:30,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1b6e6780-1deb-43ac-9398-fb9b20902f1b/bin/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 [2020-12-09 12:24:30,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 12:24:30,828 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 11 conjunts are in the unsatisfiable core [2020-12-09 12:24:30,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 12:24:32,090 WARN L197 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2020-12-09 12:24:33,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 12:24:33,102 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 12:24:33,102 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1145568251] [2020-12-09 12:24:33,102 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 12:24:33,102 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-09 12:24:33,103 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528308987] [2020-12-09 12:24:33,104 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-09 12:24:33,104 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 12:24:33,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-09 12:24:33,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-12-09 12:24:33,105 INFO L87 Difference]: Start difference. First operand 39 states and 54 transitions. Second operand 7 states. [2020-12-09 12:24:37,778 WARN L197 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 15 [2020-12-09 12:24:39,579 WARN L197 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 17 [2020-12-09 12:24:40,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 12:24:40,905 INFO L93 Difference]: Finished difference Result 49 states and 62 transitions. [2020-12-09 12:24:40,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-09 12:24:40,905 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 12 [2020-12-09 12:24:40,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 12:24:40,906 INFO L225 Difference]: With dead ends: 49 [2020-12-09 12:24:40,906 INFO L226 Difference]: Without dead ends: 44 [2020-12-09 12:24:40,907 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-12-09 12:24:40,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2020-12-09 12:24:40,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 39. [2020-12-09 12:24:40,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-12-09 12:24:40,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 53 transitions. [2020-12-09 12:24:40,912 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 53 transitions. Word has length 12 [2020-12-09 12:24:40,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 12:24:40,915 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 53 transitions. [2020-12-09 12:24:40,915 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-09 12:24:40,915 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 53 transitions. [2020-12-09 12:24:40,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-09 12:24:40,915 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 12:24:40,915 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 12:24:41,116 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-09 12:24:41,117 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 12:24:41,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 12:24:41,119 INFO L82 PathProgramCache]: Analyzing trace with hash -302456811, now seen corresponding path program 1 times [2020-12-09 12:24:41,121 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 12:24:41,121 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [530872376] [2020-12-09 12:24:41,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1b6e6780-1deb-43ac-9398-fb9b20902f1b/bin/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 [2020-12-09 12:24:41,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 12:24:41,235 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 9 conjunts are in the unsatisfiable core [2020-12-09 12:24:41,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 12:24:41,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 12:24:41,333 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 12:24:41,333 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [530872376] [2020-12-09 12:24:41,334 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 12:24:41,334 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-09 12:24:41,334 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19778330] [2020-12-09 12:24:41,334 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 12:24:41,334 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 12:24:41,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 12:24:41,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-09 12:24:41,335 INFO L87 Difference]: Start difference. First operand 39 states and 53 transitions. Second operand 4 states. [2020-12-09 12:24:41,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 12:24:41,395 INFO L93 Difference]: Finished difference Result 39 states and 53 transitions. [2020-12-09 12:24:41,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-09 12:24:41,396 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-12-09 12:24:41,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 12:24:41,396 INFO L225 Difference]: With dead ends: 39 [2020-12-09 12:24:41,396 INFO L226 Difference]: Without dead ends: 0 [2020-12-09 12:24:41,397 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-09 12:24:41,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-09 12:24:41,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-09 12:24:41,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-09 12:24:41,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-09 12:24:41,398 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2020-12-09 12:24:41,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 12:24:41,398 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-09 12:24:41,398 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 12:24:41,398 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-09 12:24:41,398 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-09 12:24:41,599 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-09 12:24:41,604 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-09 12:24:41,959 WARN L197 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2020-12-09 12:24:42,640 WARN L197 SmtUtils]: Spent 664.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2020-12-09 12:24:42,696 INFO L262 CegarLoopResult]: For program point L27(lines 27 31) no Hoare annotation was computed. [2020-12-09 12:24:42,696 INFO L262 CegarLoopResult]: For program point L60-1(lines 60 65) no Hoare annotation was computed. [2020-12-09 12:24:42,697 INFO L262 CegarLoopResult]: For program point L27-1(lines 19 107) no Hoare annotation was computed. [2020-12-09 12:24:42,697 INFO L262 CegarLoopResult]: For program point L27-2(lines 27 31) no Hoare annotation was computed. [2020-12-09 12:24:42,697 INFO L258 CegarLoopResult]: At program point L110(line 110) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|) (exists ((ULTIMATE.start_fmod_float_~y (_ FloatingPoint 8 24))) (= (let ((.cse0 (fp.mul roundNearestTiesToEven (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)) ULTIMATE.start_fmod_float_~y))) (fp.div roundNearestTiesToEven .cse0 .cse0)) |ULTIMATE.start_fmod_float_#res|))) [2020-12-09 12:24:42,697 INFO L262 CegarLoopResult]: For program point L69(lines 69 75) no Hoare annotation was computed. [2020-12-09 12:24:42,697 INFO L262 CegarLoopResult]: For program point L36(lines 36 37) no Hoare annotation was computed. [2020-12-09 12:24:42,697 INFO L258 CegarLoopResult]: At program point L69-2(lines 67 76) the Hoare annotation is: false [2020-12-09 12:24:42,697 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-09 12:24:42,697 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-09 12:24:42,697 INFO L262 CegarLoopResult]: For program point L78(lines 78 80) no Hoare annotation was computed. [2020-12-09 12:24:42,697 INFO L262 CegarLoopResult]: For program point L78-2(lines 19 107) no Hoare annotation was computed. [2020-12-09 12:24:42,698 INFO L262 CegarLoopResult]: For program point L54-1(lines 19 107) no Hoare annotation was computed. [2020-12-09 12:24:42,698 INFO L262 CegarLoopResult]: For program point L38(lines 38 39) no Hoare annotation was computed. [2020-12-09 12:24:42,698 INFO L265 CegarLoopResult]: At program point L129(lines 112 130) the Hoare annotation is: true [2020-12-09 12:24:42,698 INFO L262 CegarLoopResult]: For program point L88(lines 88 105) no Hoare annotation was computed. [2020-12-09 12:24:42,698 INFO L262 CegarLoopResult]: For program point L22-1(lines 22 26) no Hoare annotation was computed. [2020-12-09 12:24:42,698 INFO L258 CegarLoopResult]: At program point L22-2(lines 22 26) the Hoare annotation is: (and (= currentRoundingMode roundNearestTiesToEven) (exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start_fmod_float_~x (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))))) [2020-12-09 12:24:42,698 INFO L262 CegarLoopResult]: For program point L72(lines 72 73) no Hoare annotation was computed. [2020-12-09 12:24:42,698 INFO L262 CegarLoopResult]: For program point L48(lines 19 107) no Hoare annotation was computed. [2020-12-09 12:24:42,698 INFO L258 CegarLoopResult]: At program point L106(lines 19 107) the Hoare annotation is: (exists ((ULTIMATE.start_fmod_float_~y (_ FloatingPoint 8 24))) (= (let ((.cse0 (fp.mul roundNearestTiesToEven (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)) ULTIMATE.start_fmod_float_~y))) (fp.div roundNearestTiesToEven .cse0 .cse0)) |ULTIMATE.start_fmod_float_#res|)) [2020-12-09 12:24:42,698 INFO L262 CegarLoopResult]: For program point L40(lines 40 41) no Hoare annotation was computed. [2020-12-09 12:24:42,698 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-09 12:24:42,698 INFO L262 CegarLoopResult]: For program point L90-1(lines 90 94) no Hoare annotation was computed. [2020-12-09 12:24:42,699 INFO L258 CegarLoopResult]: At program point L90-2(lines 90 94) the Hoare annotation is: false [2020-12-09 12:24:42,699 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 125) no Hoare annotation was computed. [2020-12-09 12:24:42,699 INFO L262 CegarLoopResult]: For program point L49-2(lines 49 50) no Hoare annotation was computed. [2020-12-09 12:24:42,699 INFO L258 CegarLoopResult]: At program point L49-3(lines 49 50) the Hoare annotation is: false [2020-12-09 12:24:42,699 INFO L262 CegarLoopResult]: For program point L99-1(lines 99 103) no Hoare annotation was computed. [2020-12-09 12:24:42,699 INFO L258 CegarLoopResult]: At program point L99-2(lines 99 103) the Hoare annotation is: false [2020-12-09 12:24:42,699 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-09 12:24:42,699 INFO L262 CegarLoopResult]: For program point L99-3(lines 99 103) no Hoare annotation was computed. [2020-12-09 12:24:42,699 INFO L262 CegarLoopResult]: For program point L124(lines 124 127) no Hoare annotation was computed. [2020-12-09 12:24:42,699 INFO L262 CegarLoopResult]: For program point L42(lines 42 46) no Hoare annotation was computed. [2020-12-09 12:24:42,699 INFO L262 CegarLoopResult]: For program point L42-1(lines 19 107) no Hoare annotation was computed. [2020-12-09 12:24:42,699 INFO L262 CegarLoopResult]: For program point L67-1(lines 67 76) no Hoare annotation was computed. [2020-12-09 12:24:42,699 INFO L262 CegarLoopResult]: For program point L67-3(lines 67 76) no Hoare annotation was computed. [2020-12-09 12:24:42,700 INFO L262 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-12-09 12:24:42,700 INFO L258 CegarLoopResult]: At program point L84-2(lines 84 87) the Hoare annotation is: false [2020-12-09 12:24:42,700 INFO L262 CegarLoopResult]: For program point L84-3(lines 19 107) no Hoare annotation was computed. [2020-12-09 12:24:42,700 INFO L262 CegarLoopResult]: For program point L43-2(lines 43 44) no Hoare annotation was computed. [2020-12-09 12:24:42,700 INFO L258 CegarLoopResult]: At program point L43-3(lines 43 44) the Hoare annotation is: false [2020-12-09 12:24:42,708 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 12:24:42,709 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 12:24:42,709 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 12:24:42,710 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 12:24:42,710 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] [2020-12-09 12:24:42,710 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 12:24:42,710 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 12:24:42,710 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 12:24:42,710 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] [2020-12-09 12:24:42,715 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 12:24:42,715 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 12:24:42,715 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 12:24:42,715 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 12:24:42,715 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] [2020-12-09 12:24:42,716 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 12:24:42,716 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 12:24:42,716 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 12:24:42,716 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] [2020-12-09 12:24:42,718 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 12:24:42,718 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 12:24:42,718 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 12:24:42,718 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 12:24:42,718 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] [2020-12-09 12:24:42,718 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 12:24:42,718 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 12:24:42,719 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 12:24:42,719 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] [2020-12-09 12:24:42,719 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 12:24:42,720 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 12:24:42,720 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 12:24:42,720 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 12:24:42,720 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] [2020-12-09 12:24:42,720 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 12:24:42,720 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 12:24:42,721 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 12:24:42,721 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] [2020-12-09 12:24:42,722 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 12:24:42,722 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 12:24:42,722 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 12:24:42,722 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 12:24:42,723 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 12:24:42,723 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 12:24:42,724 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 12:24:42 BoogieIcfgContainer [2020-12-09 12:24:42,725 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 12:24:42,725 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 12:24:42,725 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 12:24:42,725 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 12:24:42,726 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:24:29" (3/4) ... [2020-12-09 12:24:42,728 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-09 12:24:42,738 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-12-09 12:24:42,738 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2020-12-09 12:24:42,738 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 12:24:42,739 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 12:24:42,761 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) [2020-12-09 12:24:42,770 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_1b6e6780-1deb-43ac-9398-fb9b20902f1b/bin/utaipan/witness.graphml [2020-12-09 12:24:42,770 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 12:24:42,771 INFO L168 Benchmark]: Toolchain (without parser) took 15788.54 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 23.6 MB in the beginning and 26.6 MB in the end (delta: -3.0 MB). Peak memory consumption was 7.3 MB. Max. memory is 16.1 GB. [2020-12-09 12:24:42,771 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 48.2 MB. Free memory is still 30.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 12:24:42,771 INFO L168 Benchmark]: CACSL2BoogieTranslator took 221.83 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 23.4 MB in the beginning and 38.7 MB in the end (delta: -15.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 16.1 GB. [2020-12-09 12:24:42,772 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.73 ms. Allocated memory is still 58.7 MB. Free memory was 38.7 MB in the beginning and 36.8 MB in the end (delta: 1.9 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 12:24:42,772 INFO L168 Benchmark]: Boogie Preprocessor took 30.83 ms. Allocated memory is still 58.7 MB. Free memory was 36.6 MB in the beginning and 34.9 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 12:24:42,773 INFO L168 Benchmark]: RCFGBuilder took 2618.96 ms. Allocated memory is still 58.7 MB. Free memory was 34.9 MB in the beginning and 22.8 MB in the end (delta: 12.0 MB). Peak memory consumption was 14.3 MB. Max. memory is 16.1 GB. [2020-12-09 12:24:42,773 INFO L168 Benchmark]: TraceAbstraction took 12834.36 ms. Allocated memory is still 58.7 MB. Free memory was 22.5 MB in the beginning and 29.0 MB in the end (delta: -6.5 MB). Peak memory consumption was 3.7 MB. Max. memory is 16.1 GB. [2020-12-09 12:24:42,774 INFO L168 Benchmark]: Witness Printer took 44.68 ms. Allocated memory is still 58.7 MB. Free memory was 29.0 MB in the beginning and 26.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 12:24:42,776 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 48.2 MB. Free memory is still 30.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 221.83 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 23.4 MB in the beginning and 38.7 MB in the end (delta: -15.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 32.73 ms. Allocated memory is still 58.7 MB. Free memory was 38.7 MB in the beginning and 36.8 MB in the end (delta: 1.9 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 30.83 ms. Allocated memory is still 58.7 MB. Free memory was 36.6 MB in the beginning and 34.9 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 2618.96 ms. Allocated memory is still 58.7 MB. Free memory was 34.9 MB in the beginning and 22.8 MB in the end (delta: 12.0 MB). Peak memory consumption was 14.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 12834.36 ms. Allocated memory is still 58.7 MB. Free memory was 22.5 MB in the beginning and 29.0 MB in the end (delta: -6.5 MB). Peak memory consumption was 3.7 MB. Max. memory is 16.1 GB. * Witness Printer took 44.68 ms. Allocated memory is still 58.7 MB. Free memory was 29.0 MB in the beginning and 26.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,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[ULTIMATE.start_fmod_float_~y,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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,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[ULTIMATE.start_fmod_float_~y,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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,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[ULTIMATE.start_fmod_float_~y,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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,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[ULTIMATE.start_fmod_float_~y,QUANTIFIED] - 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[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - 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[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 125]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 19]: Loop Invariant [2020-12-09 12:24:42,783 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 12:24:42,783 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 12:24:42,783 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 12:24:42,783 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 12:24:42,783 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] [2020-12-09 12:24:42,783 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 12:24:42,783 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 12:24:42,784 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 12:24:42,784 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] [2020-12-09 12:24:42,784 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 12:24:42,784 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 12:24:42,784 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 12:24:42,784 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 12:24:42,785 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] [2020-12-09 12:24:42,785 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 12:24:42,785 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 12:24:42,785 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 12:24:42,785 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] Derived loop invariant: (\exists ULTIMATE.start_fmod_float_~y : C_FLOAT :: ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ULTIMATE.start_fmod_float_~y), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ULTIMATE.start_fmod_float_~y)) == \result) - InvariantResult [Line: 112]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 43]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 90]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 110]: Loop Invariant [2020-12-09 12:24:42,786 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 12:24:42,786 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 12:24:42,786 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 12:24:42,786 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 12:24:42,786 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] [2020-12-09 12:24:42,786 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 12:24:42,787 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 12:24:42,787 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 12:24:42,787 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] [2020-12-09 12:24:42,787 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 12:24:42,787 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 12:24:42,787 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 12:24:42,788 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 12:24:42,788 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] [2020-12-09 12:24:42,788 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 12:24:42,788 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 12:24:42,788 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 12:24:42,788 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] Derived loop invariant: 1bv32 == \result && (\exists ULTIMATE.start_fmod_float_~y : C_FLOAT :: ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ULTIMATE.start_fmod_float_~y), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ULTIMATE.start_fmod_float_~y)) == \result) - InvariantResult [Line: 49]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 22]: Loop Invariant [2020-12-09 12:24:42,789 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 12:24:42,789 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 12:24:42,789 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 12:24:42,789 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 12:24:42,789 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 12:24:42,789 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 42 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 11.6s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 7.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 111 SDtfs, 103 SDslu, 146 SDs, 0 SdLazy, 38 SolverSat, 1 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 4.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 24 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 5.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 5 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 10 LocationsWithAnnotation, 10 PreInvPairs, 14 NumberOfFragments, 70 HoareAnnotationTreeSize, 10 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 10 FomulaSimplificationsInter, 8 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 32 ConstructedInterpolants, 7 QuantifiedInterpolants, 2316 SizeOfPredicates, 17 NumberOfNonLiveVariables, 188 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...