./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1092d.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_9e54912b-453c-4bfb-9552-a0a8d6f13027/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_9e54912b-453c-4bfb-9552-a0a8d6f13027/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9e54912b-453c-4bfb-9552-a0a8d6f13027/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9e54912b-453c-4bfb-9552-a0a8d6f13027/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1092d.c -s /tmp/vcloud-vcloud-master/worker/run_dir_9e54912b-453c-4bfb-9552-a0a8d6f13027/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9e54912b-453c-4bfb-9552-a0a8d6f13027/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 f610a17a072f47d6ea9cfa05b6dbea512bdb1b51 ....................................................................................................................................................................................................................................................................................................................... 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_9e54912b-453c-4bfb-9552-a0a8d6f13027/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_9e54912b-453c-4bfb-9552-a0a8d6f13027/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9e54912b-453c-4bfb-9552-a0a8d6f13027/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9e54912b-453c-4bfb-9552-a0a8d6f13027/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1092d.c -s /tmp/vcloud-vcloud-master/worker/run_dir_9e54912b-453c-4bfb-9552-a0a8d6f13027/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9e54912b-453c-4bfb-9552-a0a8d6f13027/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 f610a17a072f47d6ea9cfa05b6dbea512bdb1b51 ............................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 07:39:54,807 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 07:39:54,809 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 07:39:54,855 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 07:39:54,869 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 07:39:54,877 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 07:39:54,879 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 07:39:54,882 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 07:39:54,886 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 07:39:54,890 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 07:39:54,891 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 07:39:54,894 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 07:39:54,896 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 07:39:54,900 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 07:39:54,902 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 07:39:54,905 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 07:39:54,906 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 07:39:54,911 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 07:39:54,914 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 07:39:54,922 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 07:39:54,927 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 07:39:54,928 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 07:39:54,930 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 07:39:54,932 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 07:39:54,938 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 07:39:54,942 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 07:39:54,943 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 07:39:54,944 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 07:39:54,945 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 07:39:54,947 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 07:39:54,947 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 07:39:54,948 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 07:39:54,950 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 07:39:54,951 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 07:39:54,952 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 07:39:54,953 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 07:39:54,953 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 07:39:54,954 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 07:39:54,954 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 07:39:54,955 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 07:39:54,956 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 07:39:54,957 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9e54912b-453c-4bfb-9552-a0a8d6f13027/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-28 07:39:55,006 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 07:39:55,006 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 07:39:55,008 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 07:39:55,008 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-28 07:39:55,008 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-28 07:39:55,008 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-28 07:39:55,009 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-28 07:39:55,009 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-28 07:39:55,009 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-28 07:39:55,009 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-28 07:39:55,010 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-28 07:39:55,010 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-28 07:39:55,011 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-28 07:39:55,011 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-28 07:39:55,011 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-28 07:39:55,012 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 07:39:55,013 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 07:39:55,013 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 07:39:55,013 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 07:39:55,013 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 07:39:55,014 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 07:39:55,014 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 07:39:55,014 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 07:39:55,014 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 07:39:55,015 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 07:39:55,015 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 07:39:55,015 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 07:39:55,016 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 07:39:55,016 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 07:39:55,017 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 07:39:55,018 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 07:39:55,018 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:39:55,018 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 07:39:55,019 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 07:39:55,019 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 07:39:55,019 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-28 07:39:55,019 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 07:39:55,019 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 07:39:55,020 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 07:39:55,020 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 07:39:55,020 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_9e54912b-453c-4bfb-9552-a0a8d6f13027/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_9e54912b-453c-4bfb-9552-a0a8d6f13027/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f610a17a072f47d6ea9cfa05b6dbea512bdb1b51 [2020-11-28 07:39:55,291 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 07:39:55,328 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 07:39:55,331 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 07:39:55,332 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 07:39:55,333 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 07:39:55,334 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9e54912b-453c-4bfb-9552-a0a8d6f13027/bin/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_1092d.c [2020-11-28 07:39:55,440 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9e54912b-453c-4bfb-9552-a0a8d6f13027/bin/utaipan/data/5a425a356/5e0db93bc08049318313ce8859bd3a3c/FLAG71cfe1fd6 [2020-11-28 07:39:55,969 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 07:39:55,970 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9e54912b-453c-4bfb-9552-a0a8d6f13027/sv-benchmarks/c/float-newlib/double_req_bl_1092d.c [2020-11-28 07:39:55,980 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9e54912b-453c-4bfb-9552-a0a8d6f13027/bin/utaipan/data/5a425a356/5e0db93bc08049318313ce8859bd3a3c/FLAG71cfe1fd6 [2020-11-28 07:39:56,348 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9e54912b-453c-4bfb-9552-a0a8d6f13027/bin/utaipan/data/5a425a356/5e0db93bc08049318313ce8859bd3a3c [2020-11-28 07:39:56,351 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 07:39:56,353 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 07:39:56,358 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 07:39:56,358 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 07:39:56,362 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 07:39:56,363 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:39:56" (1/1) ... [2020-11-28 07:39:56,366 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14757f90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:56, skipping insertion in model container [2020-11-28 07:39:56,367 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:39:56" (1/1) ... [2020-11-28 07:39:56,378 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 07:39:56,404 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:39:56,638 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:39:56,648 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 07:39:56,696 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:39:56,709 INFO L208 MainTranslator]: Completed translation [2020-11-28 07:39:56,709 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:56 WrapperNode [2020-11-28 07:39:56,710 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 07:39:56,711 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 07:39:56,711 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 07:39:56,711 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 07:39:56,718 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:56" (1/1) ... [2020-11-28 07:39:56,727 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:56" (1/1) ... [2020-11-28 07:39:56,751 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 07:39:56,751 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 07:39:56,752 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 07:39:56,752 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 07:39:56,760 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:56" (1/1) ... [2020-11-28 07:39:56,761 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:56" (1/1) ... [2020-11-28 07:39:56,765 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:56" (1/1) ... [2020-11-28 07:39:56,765 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:56" (1/1) ... [2020-11-28 07:39:56,785 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:56" (1/1) ... [2020-11-28 07:39:56,790 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:56" (1/1) ... [2020-11-28 07:39:56,792 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:56" (1/1) ... [2020-11-28 07:39:56,812 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 07:39:56,813 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 07:39:56,813 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 07:39:56,813 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 07:39:56,824 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9e54912b-453c-4bfb-9552-a0a8d6f13027/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 [2020-11-28 07:39:56,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 07:39:56,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 07:39:56,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-11-28 07:39:56,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-28 07:39:56,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-11-28 07:39:56,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 07:39:56,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 07:39:56,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-28 07:39:56,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-28 07:39:57,668 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 07:39:57,669 INFO L298 CfgBuilder]: Removed 16 assume(true) statements. [2020-11-28 07:39:57,671 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:39:57 BoogieIcfgContainer [2020-11-28 07:39:57,671 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 07:39:57,673 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 07:39:57,673 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 07:39:57,677 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 07:39:57,677 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 07:39:56" (1/3) ... [2020-11-28 07:39:57,678 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bd42ceb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:39:57, skipping insertion in model container [2020-11-28 07:39:57,678 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:56" (2/3) ... [2020-11-28 07:39:57,679 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bd42ceb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:39:57, skipping insertion in model container [2020-11-28 07:39:57,679 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:39:57" (3/3) ... [2020-11-28 07:39:57,681 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1092d.c [2020-11-28 07:39:57,690 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 07:39:57,694 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-28 07:39:57,704 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-28 07:39:57,727 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 07:39:57,727 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 07:39:57,727 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 07:39:57,728 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 07:39:57,728 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 07:39:57,728 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 07:39:57,728 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 07:39:57,728 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 07:39:57,740 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2020-11-28 07:39:57,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-28 07:39:57,744 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:39:57,745 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:39:57,745 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:39:57,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:39:57,749 INFO L82 PathProgramCache]: Analyzing trace with hash 823485581, now seen corresponding path program 1 times [2020-11-28 07:39:57,757 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-28 07:39:57,758 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476962271] [2020-11-28 07:39:57,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 07:39:57,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:39:57,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:39:57,873 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476962271] [2020-11-28 07:39:57,874 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:39:57,875 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 07:39:57,875 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870278878] [2020-11-28 07:39:57,880 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 07:39:57,880 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-28 07:39:57,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 07:39:57,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 07:39:57,896 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 2 states. [2020-11-28 07:39:57,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:39:57,913 INFO L93 Difference]: Finished difference Result 41 states and 63 transitions. [2020-11-28 07:39:57,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 07:39:57,915 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-11-28 07:39:57,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:39:57,924 INFO L225 Difference]: With dead ends: 41 [2020-11-28 07:39:57,925 INFO L226 Difference]: Without dead ends: 19 [2020-11-28 07:39:57,928 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 [2020-11-28 07:39:57,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2020-11-28 07:39:57,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2020-11-28 07:39:57,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2020-11-28 07:39:57,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 23 transitions. [2020-11-28 07:39:57,961 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 23 transitions. Word has length 10 [2020-11-28 07:39:57,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:39:57,961 INFO L481 AbstractCegarLoop]: Abstraction has 19 states and 23 transitions. [2020-11-28 07:39:57,961 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 07:39:57,962 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2020-11-28 07:39:57,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-28 07:39:57,962 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:39:57,962 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:39:57,963 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 07:39:57,963 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:39:57,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:39:57,964 INFO L82 PathProgramCache]: Analyzing trace with hash -1728640572, now seen corresponding path program 1 times [2020-11-28 07:39:57,964 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-28 07:39:57,964 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821670354] [2020-11-28 07:39:57,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 07:39:58,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 07:39:58,059 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 07:39:58,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 07:39:58,135 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 07:39:58,176 INFO L173 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2020-11-28 07:39:58,176 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-28 07:39:58,177 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 07:39:58,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 07:39:58 BoogieIcfgContainer [2020-11-28 07:39:58,223 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 07:39:58,225 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 07:39:58,225 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 07:39:58,225 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 07:39:58,226 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:39:57" (3/4) ... [2020-11-28 07:39:58,229 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-28 07:39:58,229 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 07:39:58,234 INFO L168 Benchmark]: Toolchain (without parser) took 1878.51 ms. Allocated memory was 100.7 MB in the beginning and 125.8 MB in the end (delta: 25.2 MB). Free memory was 64.0 MB in the beginning and 70.8 MB in the end (delta: -6.8 MB). Peak memory consumption was 19.0 MB. Max. memory is 16.1 GB. [2020-11-28 07:39:58,234 INFO L168 Benchmark]: CDTParser took 14.41 ms. Allocated memory is still 100.7 MB. Free memory was 72.7 MB in the beginning and 80.6 MB in the end (delta: -7.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 07:39:58,236 INFO L168 Benchmark]: CACSL2BoogieTranslator took 352.65 ms. Allocated memory is still 100.7 MB. Free memory was 63.7 MB in the beginning and 74.3 MB in the end (delta: -10.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 07:39:58,237 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.04 ms. Allocated memory is still 100.7 MB. Free memory was 74.3 MB in the beginning and 72.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 07:39:58,238 INFO L168 Benchmark]: Boogie Preprocessor took 60.61 ms. Allocated memory is still 100.7 MB. Free memory was 72.3 MB in the beginning and 70.9 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:39:58,239 INFO L168 Benchmark]: RCFGBuilder took 858.48 ms. Allocated memory was 100.7 MB in the beginning and 125.8 MB in the end (delta: 25.2 MB). Free memory was 70.5 MB in the beginning and 98.0 MB in the end (delta: -27.5 MB). Peak memory consumption was 42.8 MB. Max. memory is 16.1 GB. [2020-11-28 07:39:58,240 INFO L168 Benchmark]: TraceAbstraction took 550.31 ms. Allocated memory is still 125.8 MB. Free memory was 98.0 MB in the beginning and 70.8 MB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2020-11-28 07:39:58,241 INFO L168 Benchmark]: Witness Printer took 5.51 ms. Allocated memory is still 125.8 MB. Free memory is still 70.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:39:58,252 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 14.41 ms. Allocated memory is still 100.7 MB. Free memory was 72.7 MB in the beginning and 80.6 MB in the end (delta: -7.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 352.65 ms. Allocated memory is still 100.7 MB. Free memory was 63.7 MB in the beginning and 74.3 MB in the end (delta: -10.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 40.04 ms. Allocated memory is still 100.7 MB. Free memory was 74.3 MB in the beginning and 72.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 60.61 ms. Allocated memory is still 100.7 MB. Free memory was 72.3 MB in the beginning and 70.9 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 858.48 ms. Allocated memory was 100.7 MB in the beginning and 125.8 MB in the end (delta: 25.2 MB). Free memory was 70.5 MB in the beginning and 98.0 MB in the end (delta: -27.5 MB). Peak memory consumption was 42.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 550.31 ms. Allocated memory is still 125.8 MB. Free memory was 98.0 MB in the beginning and 70.8 MB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. * Witness Printer took 5.51 ms. Allocated memory is still 125.8 MB. Free memory is still 70.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 92, overapproximation of someBinaryArithmeticDOUBLEoperation at line 52, overapproximation of bitwiseAnd at line 91. Possible FailurePath: [L16] static const double huge_ceil = 1.0e300; [L105] double x = -1.0 / 0.0; [L19] __int32_t i0, i1, j0; [L20] __uint32_t i, j; VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L22] ieee_double_shape_type ew_u; [L23] ew_u.value = (x) [L24] EXPR ew_u.parts.msw [L24] (i0) = ew_u.parts.msw [L25] EXPR ew_u.parts.lsw [L25] (i1) = ew_u.parts.lsw [L27] j0 = ((i0 >> 20) & 0x7ff) - 0x3ff VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L28] COND FALSE !(j0 < 20) VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L50] COND TRUE j0 > 51 [L51] COND FALSE !(j0 == 0x400) [L54] return x; VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L106] double res = ceil_double(x); [L84] __int32_t hx, lx; VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L86] ieee_double_shape_type ew_u; [L87] ew_u.value = (x) [L88] EXPR ew_u.parts.msw [L88] (hx) = ew_u.parts.msw [L89] EXPR ew_u.parts.lsw [L89] (lx) = ew_u.parts.lsw [L91] hx &= 0x7fffffff [L92] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L93] hx = 0x7ff00000 - hx [L94] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); [L109] COND TRUE !isinf_double(res) [L3] __assert_fail("0", "double_req_bl_1092d.c", 3, "reach_error") VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 21 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 25 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=21occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 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-a4ecdab [2020-11-28 07:40:00,843 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 07:40:00,845 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 07:40:00,880 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 07:40:00,880 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 07:40:00,882 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 07:40:00,884 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 07:40:00,887 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 07:40:00,889 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 07:40:00,890 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 07:40:00,892 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 07:40:00,893 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 07:40:00,894 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 07:40:00,895 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 07:40:00,897 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 07:40:00,898 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 07:40:00,900 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 07:40:00,901 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 07:40:00,903 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 07:40:00,906 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 07:40:00,907 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 07:40:00,909 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 07:40:00,911 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 07:40:00,912 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 07:40:00,915 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 07:40:00,916 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 07:40:00,916 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 07:40:00,917 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 07:40:00,918 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 07:40:00,919 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 07:40:00,920 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 07:40:00,920 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 07:40:00,921 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 07:40:00,922 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 07:40:00,924 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 07:40:00,924 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 07:40:00,925 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 07:40:00,926 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 07:40:00,926 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 07:40:00,928 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 07:40:00,933 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 07:40:00,933 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9e54912b-453c-4bfb-9552-a0a8d6f13027/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-28 07:40:00,993 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 07:40:00,993 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 07:40:00,995 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 07:40:00,996 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-28 07:40:00,996 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-28 07:40:00,996 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-28 07:40:00,996 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-28 07:40:00,996 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-28 07:40:00,997 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-28 07:40:00,998 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 07:40:00,999 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 07:40:00,999 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 07:40:01,000 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 07:40:01,000 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 07:40:01,000 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 07:40:01,000 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 07:40:01,000 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 07:40:01,001 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-28 07:40:01,001 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-28 07:40:01,001 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 07:40:01,001 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 07:40:01,001 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 07:40:01,001 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 07:40:01,002 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 07:40:01,002 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 07:40:01,002 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 07:40:01,002 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 07:40:01,002 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:40:01,003 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 07:40:01,003 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 07:40:01,003 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 07:40:01,003 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-28 07:40:01,003 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-28 07:40:01,004 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 07:40:01,004 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 07:40:01,004 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 07:40:01,004 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_9e54912b-453c-4bfb-9552-a0a8d6f13027/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_9e54912b-453c-4bfb-9552-a0a8d6f13027/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f610a17a072f47d6ea9cfa05b6dbea512bdb1b51 [2020-11-28 07:40:01,398 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 07:40:01,425 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 07:40:01,428 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 07:40:01,429 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 07:40:01,432 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 07:40:01,433 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9e54912b-453c-4bfb-9552-a0a8d6f13027/bin/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_1092d.c [2020-11-28 07:40:01,512 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9e54912b-453c-4bfb-9552-a0a8d6f13027/bin/utaipan/data/f9ec250c0/bafeb888373a4507aa32ce4513d7da9d/FLAG060e96e1c [2020-11-28 07:40:02,095 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 07:40:02,095 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9e54912b-453c-4bfb-9552-a0a8d6f13027/sv-benchmarks/c/float-newlib/double_req_bl_1092d.c [2020-11-28 07:40:02,102 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9e54912b-453c-4bfb-9552-a0a8d6f13027/bin/utaipan/data/f9ec250c0/bafeb888373a4507aa32ce4513d7da9d/FLAG060e96e1c [2020-11-28 07:40:02,486 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9e54912b-453c-4bfb-9552-a0a8d6f13027/bin/utaipan/data/f9ec250c0/bafeb888373a4507aa32ce4513d7da9d [2020-11-28 07:40:02,494 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 07:40:02,495 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 07:40:02,498 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 07:40:02,499 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 07:40:02,503 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 07:40:02,504 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:40:02" (1/1) ... [2020-11-28 07:40:02,507 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4588f3a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:40:02, skipping insertion in model container [2020-11-28 07:40:02,508 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:40:02" (1/1) ... [2020-11-28 07:40:02,516 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 07:40:02,546 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:40:02,721 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:40:02,735 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 07:40:02,794 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:40:02,840 INFO L208 MainTranslator]: Completed translation [2020-11-28 07:40:02,842 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:40:02 WrapperNode [2020-11-28 07:40:02,842 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 07:40:02,844 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 07:40:02,844 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 07:40:02,844 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 07:40:02,852 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:40:02" (1/1) ... [2020-11-28 07:40:02,873 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:40:02" (1/1) ... [2020-11-28 07:40:02,916 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 07:40:02,918 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 07:40:02,918 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 07:40:02,918 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 07:40:02,927 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:40:02" (1/1) ... [2020-11-28 07:40:02,927 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:40:02" (1/1) ... [2020-11-28 07:40:02,948 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:40:02" (1/1) ... [2020-11-28 07:40:02,949 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:40:02" (1/1) ... [2020-11-28 07:40:02,970 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:40:02" (1/1) ... [2020-11-28 07:40:02,975 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:40:02" (1/1) ... [2020-11-28 07:40:02,980 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:40:02" (1/1) ... [2020-11-28 07:40:02,993 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 07:40:02,995 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 07:40:02,995 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 07:40:02,995 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 07:40:02,996 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:40:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9e54912b-453c-4bfb-9552-a0a8d6f13027/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 [2020-11-28 07:40:03,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-11-28 07:40:03,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-11-28 07:40:03,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-28 07:40:03,082 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 07:40:03,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-28 07:40:03,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 07:40:03,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 07:40:03,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-28 07:40:03,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-28 07:40:04,749 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 07:40:04,750 INFO L298 CfgBuilder]: Removed 16 assume(true) statements. [2020-11-28 07:40:04,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:40:04 BoogieIcfgContainer [2020-11-28 07:40:04,751 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 07:40:04,753 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 07:40:04,753 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 07:40:04,757 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 07:40:04,757 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 07:40:02" (1/3) ... [2020-11-28 07:40:04,758 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25980976 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:40:04, skipping insertion in model container [2020-11-28 07:40:04,758 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:40:02" (2/3) ... [2020-11-28 07:40:04,758 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25980976 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:40:04, skipping insertion in model container [2020-11-28 07:40:04,759 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:40:04" (3/3) ... [2020-11-28 07:40:04,760 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1092d.c [2020-11-28 07:40:04,771 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 07:40:04,775 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-28 07:40:04,787 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-28 07:40:04,812 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 07:40:04,812 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 07:40:04,812 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 07:40:04,812 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 07:40:04,812 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 07:40:04,813 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 07:40:04,813 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 07:40:04,813 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 07:40:04,826 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states. [2020-11-28 07:40:04,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-28 07:40:04,831 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:40:04,832 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:40:04,832 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:40:04,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:40:04,838 INFO L82 PathProgramCache]: Analyzing trace with hash 658478814, now seen corresponding path program 1 times [2020-11-28 07:40:04,850 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-28 07:40:04,851 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [558578461] [2020-11-28 07:40:04,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9e54912b-453c-4bfb-9552-a0a8d6f13027/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 [2020-11-28 07:40:04,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:40:04,999 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-28 07:40:05,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:40:05,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:40:05,026 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:40:05,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:40:05,037 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [558578461] [2020-11-28 07:40:05,037 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:40:05,038 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-28 07:40:05,038 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561699920] [2020-11-28 07:40:05,043 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 07:40:05,043 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-28 07:40:05,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 07:40:05,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 07:40:05,063 INFO L87 Difference]: Start difference. First operand 38 states. Second operand 2 states. [2020-11-28 07:40:05,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:40:05,097 INFO L93 Difference]: Finished difference Result 73 states and 115 transitions. [2020-11-28 07:40:05,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 07:40:05,098 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 13 [2020-11-28 07:40:05,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:40:05,108 INFO L225 Difference]: With dead ends: 73 [2020-11-28 07:40:05,109 INFO L226 Difference]: Without dead ends: 34 [2020-11-28 07:40:05,111 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 07:40:05,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2020-11-28 07:40:05,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2020-11-28 07:40:05,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2020-11-28 07:40:05,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 48 transitions. [2020-11-28 07:40:05,153 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 48 transitions. Word has length 13 [2020-11-28 07:40:05,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:40:05,153 INFO L481 AbstractCegarLoop]: Abstraction has 34 states and 48 transitions. [2020-11-28 07:40:05,153 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 07:40:05,154 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 48 transitions. [2020-11-28 07:40:05,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-28 07:40:05,156 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:40:05,156 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:40:05,378 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-28 07:40:05,378 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:40:05,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:40:05,381 INFO L82 PathProgramCache]: Analyzing trace with hash -1562173395, now seen corresponding path program 1 times [2020-11-28 07:40:05,385 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-28 07:40:05,385 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [13252539] [2020-11-28 07:40:05,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9e54912b-453c-4bfb-9552-a0a8d6f13027/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 [2020-11-28 07:40:05,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:40:05,566 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-28 07:40:05,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:40:05,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:40:05,751 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:40:05,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:40:05,949 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [13252539] [2020-11-28 07:40:05,949 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:40:05,949 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2020-11-28 07:40:05,949 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516896803] [2020-11-28 07:40:05,951 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-28 07:40:05,951 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-28 07:40:05,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-28 07:40:05,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-28 07:40:05,952 INFO L87 Difference]: Start difference. First operand 34 states and 48 transitions. Second operand 8 states. [2020-11-28 07:40:06,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:40:06,335 INFO L93 Difference]: Finished difference Result 42 states and 55 transitions. [2020-11-28 07:40:06,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 07:40:06,336 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 15 [2020-11-28 07:40:06,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:40:06,336 INFO L225 Difference]: With dead ends: 42 [2020-11-28 07:40:06,337 INFO L226 Difference]: Without dead ends: 16 [2020-11-28 07:40:06,338 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-11-28 07:40:06,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2020-11-28 07:40:06,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2020-11-28 07:40:06,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-11-28 07:40:06,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 15 transitions. [2020-11-28 07:40:06,347 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 15 transitions. Word has length 15 [2020-11-28 07:40:06,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:40:06,347 INFO L481 AbstractCegarLoop]: Abstraction has 16 states and 15 transitions. [2020-11-28 07:40:06,347 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-28 07:40:06,347 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2020-11-28 07:40:06,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-28 07:40:06,348 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:40:06,348 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:40:06,549 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-28 07:40:06,549 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:40:06,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:40:06,550 INFO L82 PathProgramCache]: Analyzing trace with hash 1582346339, now seen corresponding path program 1 times [2020-11-28 07:40:06,550 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-28 07:40:06,550 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [206705864] [2020-11-28 07:40:06,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9e54912b-453c-4bfb-9552-a0a8d6f13027/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 [2020-11-28 07:40:06,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 07:40:06,909 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 07:40:07,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 07:40:07,134 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 07:40:07,187 INFO L173 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2020-11-28 07:40:07,188 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-28 07:40:07,388 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-28 07:40:07,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 07:40:07 BoogieIcfgContainer [2020-11-28 07:40:07,423 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 07:40:07,423 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 07:40:07,423 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 07:40:07,424 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 07:40:07,424 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:40:04" (3/4) ... [2020-11-28 07:40:07,426 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-28 07:40:07,484 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_9e54912b-453c-4bfb-9552-a0a8d6f13027/bin/utaipan/witness.graphml [2020-11-28 07:40:07,484 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 07:40:07,486 INFO L168 Benchmark]: Toolchain (without parser) took 4989.89 ms. Allocated memory was 77.6 MB in the beginning and 94.4 MB in the end (delta: 16.8 MB). Free memory was 59.0 MB in the beginning and 61.4 MB in the end (delta: -2.3 MB). Peak memory consumption was 14.6 MB. Max. memory is 16.1 GB. [2020-11-28 07:40:07,487 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 77.6 MB. Free memory was 58.5 MB in the beginning and 58.5 MB in the end (delta: 35.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:40:07,488 INFO L168 Benchmark]: CACSL2BoogieTranslator took 343.95 ms. Allocated memory is still 77.6 MB. Free memory was 58.7 MB in the beginning and 58.8 MB in the end (delta: -77.4 kB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 07:40:07,488 INFO L168 Benchmark]: Boogie Procedure Inliner took 73.00 ms. Allocated memory is still 77.6 MB. Free memory was 58.6 MB in the beginning and 56.9 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:40:07,489 INFO L168 Benchmark]: Boogie Preprocessor took 76.16 ms. Allocated memory is still 77.6 MB. Free memory was 56.9 MB in the beginning and 55.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 07:40:07,490 INFO L168 Benchmark]: RCFGBuilder took 1757.07 ms. Allocated memory is still 77.6 MB. Free memory was 55.0 MB in the beginning and 55.7 MB in the end (delta: -723.9 kB). Peak memory consumption was 24.8 MB. Max. memory is 16.1 GB. [2020-11-28 07:40:07,490 INFO L168 Benchmark]: TraceAbstraction took 2669.69 ms. Allocated memory was 77.6 MB in the beginning and 94.4 MB in the end (delta: 16.8 MB). Free memory was 55.4 MB in the beginning and 64.1 MB in the end (delta: -8.7 MB). Peak memory consumption was 7.7 MB. Max. memory is 16.1 GB. [2020-11-28 07:40:07,491 INFO L168 Benchmark]: Witness Printer took 61.21 ms. Allocated memory is still 94.4 MB. Free memory was 64.1 MB in the beginning and 61.4 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 07:40:07,494 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 77.6 MB. Free memory was 58.5 MB in the beginning and 58.5 MB in the end (delta: 35.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 343.95 ms. Allocated memory is still 77.6 MB. Free memory was 58.7 MB in the beginning and 58.8 MB in the end (delta: -77.4 kB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 73.00 ms. Allocated memory is still 77.6 MB. Free memory was 58.6 MB in the beginning and 56.9 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 76.16 ms. Allocated memory is still 77.6 MB. Free memory was 56.9 MB in the beginning and 55.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1757.07 ms. Allocated memory is still 77.6 MB. Free memory was 55.0 MB in the beginning and 55.7 MB in the end (delta: -723.9 kB). Peak memory consumption was 24.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2669.69 ms. Allocated memory was 77.6 MB in the beginning and 94.4 MB in the end (delta: 16.8 MB). Free memory was 55.4 MB in the beginning and 64.1 MB in the end (delta: -8.7 MB). Peak memory consumption was 7.7 MB. Max. memory is 16.1 GB. * Witness Printer took 61.21 ms. Allocated memory is still 94.4 MB. Free memory was 64.1 MB in the beginning and 61.4 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L16] static const double huge_ceil = 1.0e300; VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L105] double x = -1.0 / 0.0; [L19] __int32_t i0, i1, j0; [L20] __uint32_t i, j; VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L22] ieee_double_shape_type ew_u; [L23] ew_u.value = (x) [L24] EXPR ew_u.parts.msw [L24] (i0) = ew_u.parts.msw [L25] EXPR ew_u.parts.lsw [L25] (i1) = ew_u.parts.lsw [L27] j0 = ((i0 >> 20) & 0x7ff) - 0x3ff VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L28] COND FALSE !(j0 < 20) VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L50] COND TRUE j0 > 51 VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L51] COND TRUE j0 == 0x400 [L52] return x + x; VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L106] double res = ceil_double(x); [L84] __int32_t hx, lx; VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L86] ieee_double_shape_type ew_u; [L87] ew_u.value = (x) [L88] EXPR ew_u.parts.msw [L88] (hx) = ew_u.parts.msw [L89] EXPR ew_u.parts.lsw [L89] (lx) = ew_u.parts.lsw [L91] hx &= 0x7fffffff [L92] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L93] hx = 0x7ff00000 - hx [L94] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L109] COND TRUE !isinf_double(res) [L3] __assert_fail("0", "double_req_bl_1092d.c", 3, "reach_error") VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 38 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 2.5s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 61 SDtfs, 44 SDslu, 6 SDs, 0 SdLazy, 9 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 54 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=38occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 43 NumberOfCodeBlocks, 43 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 52 ConstructedInterpolants, 5 QuantifiedInterpolants, 2332 SizeOfPredicates, 8 NumberOfNonLiveVariables, 110 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 incorrect! Received shutdown request...