./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_f885a8ca-7c95-445d-9ff3-4f7b7fc051af/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_f885a8ca-7c95-445d-9ff3-4f7b7fc051af/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f885a8ca-7c95-445d-9ff3-4f7b7fc051af/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f885a8ca-7c95-445d-9ff3-4f7b7fc051af/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1092d.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f885a8ca-7c95-445d-9ff3-4f7b7fc051af/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f885a8ca-7c95-445d-9ff3-4f7b7fc051af/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_f885a8ca-7c95-445d-9ff3-4f7b7fc051af/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_f885a8ca-7c95-445d-9ff3-4f7b7fc051af/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f885a8ca-7c95-445d-9ff3-4f7b7fc051af/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f885a8ca-7c95-445d-9ff3-4f7b7fc051af/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1092d.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f885a8ca-7c95-445d-9ff3-4f7b7fc051af/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f885a8ca-7c95-445d-9ff3-4f7b7fc051af/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 [2020-11-22 12:56:06,760 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 12:56:06,763 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 12:56:06,825 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 12:56:06,826 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 12:56:06,827 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 12:56:06,829 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 12:56:06,831 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 12:56:06,833 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 12:56:06,834 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 12:56:06,835 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 12:56:06,837 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 12:56:06,837 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 12:56:06,839 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 12:56:06,840 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 12:56:06,842 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 12:56:06,843 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 12:56:06,844 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 12:56:06,846 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 12:56:06,849 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 12:56:06,859 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 12:56:06,861 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 12:56:06,863 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 12:56:06,864 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 12:56:06,868 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 12:56:06,868 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 12:56:06,869 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 12:56:06,870 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 12:56:06,871 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 12:56:06,872 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 12:56:06,872 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 12:56:06,873 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 12:56:06,874 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 12:56:06,875 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 12:56:06,876 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 12:56:06,877 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 12:56:06,877 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 12:56:06,878 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 12:56:06,878 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 12:56:06,879 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 12:56:06,880 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 12:56:06,881 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f885a8ca-7c95-445d-9ff3-4f7b7fc051af/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-22 12:56:06,910 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 12:56:06,910 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 12:56:06,911 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 12:56:06,911 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 12:56:06,912 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 12:56:06,912 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 12:56:06,913 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 12:56:06,913 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 12:56:06,913 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 12:56:06,914 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 12:56:06,914 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 12:56:06,915 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 12:56:06,915 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 12:56:06,916 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 12:56:06,916 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 12:56:06,917 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 12:56:06,917 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 12:56:06,918 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 12:56:06,918 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 12:56:06,918 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 12:56:06,919 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 12:56:06,919 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 12:56:06,920 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 12:56:06,920 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 12:56:06,920 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 12:56:06,921 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 12:56:06,921 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 12:56:06,922 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 12:56:06,922 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 12:56:06,922 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 12:56:06,923 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 12:56:06,923 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 12:56:06,923 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 12:56:06,924 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 12:56:06,924 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 12:56:06,924 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 12:56:06,924 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 12:56:06,925 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 12:56:06,925 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 12:56:06,925 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 12:56:06,925 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_f885a8ca-7c95-445d-9ff3-4f7b7fc051af/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_f885a8ca-7c95-445d-9ff3-4f7b7fc051af/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f610a17a072f47d6ea9cfa05b6dbea512bdb1b51 [2020-11-22 12:56:07,151 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 12:56:07,190 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 12:56:07,193 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 12:56:07,197 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 12:56:07,198 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 12:56:07,199 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f885a8ca-7c95-445d-9ff3-4f7b7fc051af/bin/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_1092d.c [2020-11-22 12:56:07,301 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f885a8ca-7c95-445d-9ff3-4f7b7fc051af/bin/utaipan/data/48f2de4fb/c59285ec1c024ab6a856313b1d661f82/FLAG26dab2391 [2020-11-22 12:56:07,734 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 12:56:07,735 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f885a8ca-7c95-445d-9ff3-4f7b7fc051af/sv-benchmarks/c/float-newlib/double_req_bl_1092d.c [2020-11-22 12:56:07,741 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f885a8ca-7c95-445d-9ff3-4f7b7fc051af/bin/utaipan/data/48f2de4fb/c59285ec1c024ab6a856313b1d661f82/FLAG26dab2391 [2020-11-22 12:56:08,106 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f885a8ca-7c95-445d-9ff3-4f7b7fc051af/bin/utaipan/data/48f2de4fb/c59285ec1c024ab6a856313b1d661f82 [2020-11-22 12:56:08,108 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 12:56:08,110 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 12:56:08,111 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 12:56:08,111 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 12:56:08,123 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 12:56:08,125 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:56:08" (1/1) ... [2020-11-22 12:56:08,128 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e4b71e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:08, skipping insertion in model container [2020-11-22 12:56:08,128 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:56:08" (1/1) ... [2020-11-22 12:56:08,135 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 12:56:08,166 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:56:08,355 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:56:08,363 INFO L203 MainTranslator]: Completed pre-run [2020-11-22 12:56:08,394 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:56:08,409 INFO L208 MainTranslator]: Completed translation [2020-11-22 12:56:08,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:08 WrapperNode [2020-11-22 12:56:08,411 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 12:56:08,412 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-22 12:56:08,412 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-22 12:56:08,413 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-22 12:56:08,420 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:08" (1/1) ... [2020-11-22 12:56:08,438 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:08" (1/1) ... [2020-11-22 12:56:08,475 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-22 12:56:08,476 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-22 12:56:08,476 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-22 12:56:08,476 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-22 12:56:08,483 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:08" (1/1) ... [2020-11-22 12:56:08,484 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:08" (1/1) ... [2020-11-22 12:56:08,486 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:08" (1/1) ... [2020-11-22 12:56:08,487 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:08" (1/1) ... [2020-11-22 12:56:08,495 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:08" (1/1) ... [2020-11-22 12:56:08,500 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:08" (1/1) ... [2020-11-22 12:56:08,502 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:08" (1/1) ... [2020-11-22 12:56:08,505 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-22 12:56:08,506 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-22 12:56:08,506 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-22 12:56:08,506 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-22 12:56:08,507 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f885a8ca-7c95-445d-9ff3-4f7b7fc051af/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 [2020-11-22 12:56:08,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-22 12:56:08,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-22 12:56:08,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-11-22 12:56:08,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-22 12:56:08,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-11-22 12:56:08,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-22 12:56:08,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-22 12:56:08,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-22 12:56:08,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-22 12:56:09,409 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-22 12:56:09,410 INFO L298 CfgBuilder]: Removed 16 assume(true) statements. [2020-11-22 12:56:09,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:56:09 BoogieIcfgContainer [2020-11-22 12:56:09,412 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-22 12:56:09,414 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-22 12:56:09,414 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-22 12:56:09,420 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-22 12:56:09,420 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 12:56:08" (1/3) ... [2020-11-22 12:56:09,421 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fcac546 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:56:09, skipping insertion in model container [2020-11-22 12:56:09,421 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:08" (2/3) ... [2020-11-22 12:56:09,422 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fcac546 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:56:09, skipping insertion in model container [2020-11-22 12:56:09,422 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:56:09" (3/3) ... [2020-11-22 12:56:09,424 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1092d.c [2020-11-22 12:56:09,435 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-22 12:56:09,439 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-22 12:56:09,451 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-22 12:56:09,479 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-22 12:56:09,479 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-22 12:56:09,479 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-22 12:56:09,480 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-22 12:56:09,480 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-22 12:56:09,480 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-22 12:56:09,480 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-22 12:56:09,480 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-22 12:56:09,491 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2020-11-22 12:56:09,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-22 12:56:09,496 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:56:09,497 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:56:09,497 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:56:09,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:56:09,503 INFO L82 PathProgramCache]: Analyzing trace with hash 823485581, now seen corresponding path program 1 times [2020-11-22 12:56:09,512 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-22 12:56:09,513 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591957090] [2020-11-22 12:56:09,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-22 12:56:09,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:56:09,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:56:09,666 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591957090] [2020-11-22 12:56:09,667 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:56:09,668 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-22 12:56:09,669 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204699709] [2020-11-22 12:56:09,672 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-22 12:56:09,673 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-22 12:56:09,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-22 12:56:09,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 12:56:09,690 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 2 states. [2020-11-22 12:56:09,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:56:09,714 INFO L93 Difference]: Finished difference Result 41 states and 63 transitions. [2020-11-22 12:56:09,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-22 12:56:09,716 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-11-22 12:56:09,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:56:09,737 INFO L225 Difference]: With dead ends: 41 [2020-11-22 12:56:09,739 INFO L226 Difference]: Without dead ends: 19 [2020-11-22 12:56:09,741 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 [2020-11-22 12:56:09,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2020-11-22 12:56:09,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2020-11-22 12:56:09,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2020-11-22 12:56:09,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 23 transitions. [2020-11-22 12:56:09,769 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 23 transitions. Word has length 10 [2020-11-22 12:56:09,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:56:09,770 INFO L481 AbstractCegarLoop]: Abstraction has 19 states and 23 transitions. [2020-11-22 12:56:09,770 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-22 12:56:09,770 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2020-11-22 12:56:09,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-22 12:56:09,770 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:56:09,771 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:56:09,771 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-22 12:56:09,771 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:56:09,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:56:09,772 INFO L82 PathProgramCache]: Analyzing trace with hash -1728640572, now seen corresponding path program 1 times [2020-11-22 12:56:09,772 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-22 12:56:09,772 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976832350] [2020-11-22 12:56:09,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-22 12:56:09,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-22 12:56:09,902 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-22 12:56:10,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-22 12:56:10,007 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-22 12:56:10,042 INFO L173 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2020-11-22 12:56:10,042 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-22 12:56:10,043 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-22 12:56:10,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 12:56:10 BoogieIcfgContainer [2020-11-22 12:56:10,086 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-22 12:56:10,087 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-22 12:56:10,087 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-22 12:56:10,088 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-22 12:56:10,088 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:56:09" (3/4) ... [2020-11-22 12:56:10,091 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-22 12:56:10,091 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-22 12:56:10,095 INFO L168 Benchmark]: Toolchain (without parser) took 1983.15 ms. Allocated memory was 88.1 MB in the beginning and 113.2 MB in the end (delta: 25.2 MB). Free memory was 57.3 MB in the beginning and 86.4 MB in the end (delta: -29.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 12:56:10,096 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 88.1 MB. Free memory was 45.6 MB in the beginning and 45.5 MB in the end (delta: 35.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 12:56:10,097 INFO L168 Benchmark]: CACSL2BoogieTranslator took 300.01 ms. Allocated memory is still 88.1 MB. Free memory was 57.1 MB in the beginning and 63.7 MB in the end (delta: -6.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:10,098 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.28 ms. Allocated memory is still 88.1 MB. Free memory was 63.7 MB in the beginning and 62.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:10,099 INFO L168 Benchmark]: Boogie Preprocessor took 29.19 ms. Allocated memory is still 88.1 MB. Free memory was 62.0 MB in the beginning and 60.3 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 12:56:10,100 INFO L168 Benchmark]: RCFGBuilder took 906.12 ms. Allocated memory was 88.1 MB in the beginning and 113.2 MB in the end (delta: 25.2 MB). Free memory was 60.3 MB in the beginning and 76.5 MB in the end (delta: -16.2 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:10,101 INFO L168 Benchmark]: TraceAbstraction took 672.41 ms. Allocated memory is still 113.2 MB. Free memory was 75.9 MB in the beginning and 86.4 MB in the end (delta: -10.5 MB). Peak memory consumption was 29.1 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:10,102 INFO L168 Benchmark]: Witness Printer took 4.95 ms. Allocated memory is still 113.2 MB. Free memory is still 86.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 12:56:10,111 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 88.1 MB. Free memory was 45.6 MB in the beginning and 45.5 MB in the end (delta: 35.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 300.01 ms. Allocated memory is still 88.1 MB. Free memory was 57.1 MB in the beginning and 63.7 MB in the end (delta: -6.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 63.28 ms. Allocated memory is still 88.1 MB. Free memory was 63.7 MB in the beginning and 62.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 29.19 ms. Allocated memory is still 88.1 MB. Free memory was 62.0 MB in the beginning and 60.3 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 906.12 ms. Allocated memory was 88.1 MB in the beginning and 113.2 MB in the end (delta: 25.2 MB). Free memory was 60.3 MB in the beginning and 76.5 MB in the end (delta: -16.2 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 672.41 ms. Allocated memory is still 113.2 MB. Free memory was 75.9 MB in the beginning and 86.4 MB in the end (delta: -10.5 MB). Peak memory consumption was 29.1 MB. Max. memory is 16.1 GB. * Witness Printer took 4.95 ms. Allocated memory is still 113.2 MB. Free memory is still 86.4 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: 0.5s, 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 [2020-11-22 12:56:12,510 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 12:56:12,513 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 12:56:12,565 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 12:56:12,565 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 12:56:12,571 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 12:56:12,573 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 12:56:12,579 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 12:56:12,582 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 12:56:12,588 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 12:56:12,589 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 12:56:12,594 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 12:56:12,595 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 12:56:12,595 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 12:56:12,596 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 12:56:12,597 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 12:56:12,598 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 12:56:12,599 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 12:56:12,601 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 12:56:12,603 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 12:56:12,605 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 12:56:12,606 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 12:56:12,607 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 12:56:12,608 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 12:56:12,611 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 12:56:12,612 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 12:56:12,612 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 12:56:12,613 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 12:56:12,614 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 12:56:12,615 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 12:56:12,615 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 12:56:12,616 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 12:56:12,617 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 12:56:12,618 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 12:56:12,619 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 12:56:12,619 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 12:56:12,620 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 12:56:12,620 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 12:56:12,621 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 12:56:12,622 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 12:56:12,623 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 12:56:12,624 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f885a8ca-7c95-445d-9ff3-4f7b7fc051af/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-22 12:56:12,650 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 12:56:12,650 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 12:56:12,651 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 12:56:12,651 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 12:56:12,651 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 12:56:12,651 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 12:56:12,652 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 12:56:12,652 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 12:56:12,652 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 12:56:12,653 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 12:56:12,653 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 12:56:12,653 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 12:56:12,653 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 12:56:12,653 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 12:56:12,654 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 12:56:12,654 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 12:56:12,654 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 12:56:12,654 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-22 12:56:12,654 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-22 12:56:12,655 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 12:56:12,655 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 12:56:12,655 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 12:56:12,655 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 12:56:12,655 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 12:56:12,656 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-22 12:56:12,656 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 12:56:12,656 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 12:56:12,656 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 12:56:12,656 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 12:56:12,656 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 12:56:12,657 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 12:56:12,657 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-22 12:56:12,657 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-22 12:56:12,657 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 12:56:12,657 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 12:56:12,658 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 12:56:12,658 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_f885a8ca-7c95-445d-9ff3-4f7b7fc051af/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_f885a8ca-7c95-445d-9ff3-4f7b7fc051af/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f610a17a072f47d6ea9cfa05b6dbea512bdb1b51 [2020-11-22 12:56:13,019 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 12:56:13,054 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 12:56:13,059 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 12:56:13,060 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 12:56:13,061 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 12:56:13,061 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f885a8ca-7c95-445d-9ff3-4f7b7fc051af/bin/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_1092d.c [2020-11-22 12:56:13,135 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f885a8ca-7c95-445d-9ff3-4f7b7fc051af/bin/utaipan/data/8727fc711/33a0517ae5d94270ad55ad150bc0b8e8/FLAG57b7e2fb4 [2020-11-22 12:56:13,668 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 12:56:13,669 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f885a8ca-7c95-445d-9ff3-4f7b7fc051af/sv-benchmarks/c/float-newlib/double_req_bl_1092d.c [2020-11-22 12:56:13,676 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f885a8ca-7c95-445d-9ff3-4f7b7fc051af/bin/utaipan/data/8727fc711/33a0517ae5d94270ad55ad150bc0b8e8/FLAG57b7e2fb4 [2020-11-22 12:56:13,999 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f885a8ca-7c95-445d-9ff3-4f7b7fc051af/bin/utaipan/data/8727fc711/33a0517ae5d94270ad55ad150bc0b8e8 [2020-11-22 12:56:14,001 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 12:56:14,002 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 12:56:14,003 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 12:56:14,003 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 12:56:14,007 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 12:56:14,008 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:56:14" (1/1) ... [2020-11-22 12:56:14,010 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fad9617 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:14, skipping insertion in model container [2020-11-22 12:56:14,010 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:56:14" (1/1) ... [2020-11-22 12:56:14,017 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 12:56:14,034 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:56:14,210 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:56:14,222 INFO L203 MainTranslator]: Completed pre-run [2020-11-22 12:56:14,295 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:56:14,319 INFO L208 MainTranslator]: Completed translation [2020-11-22 12:56:14,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:14 WrapperNode [2020-11-22 12:56:14,320 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 12:56:14,321 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-22 12:56:14,322 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-22 12:56:14,322 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-22 12:56:14,329 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:14" (1/1) ... [2020-11-22 12:56:14,352 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:14" (1/1) ... [2020-11-22 12:56:14,389 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-22 12:56:14,391 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-22 12:56:14,391 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-22 12:56:14,391 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-22 12:56:14,399 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:14" (1/1) ... [2020-11-22 12:56:14,399 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:14" (1/1) ... [2020-11-22 12:56:14,418 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:14" (1/1) ... [2020-11-22 12:56:14,419 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:14" (1/1) ... [2020-11-22 12:56:14,428 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:14" (1/1) ... [2020-11-22 12:56:14,443 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:14" (1/1) ... [2020-11-22 12:56:14,448 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:14" (1/1) ... [2020-11-22 12:56:14,461 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-22 12:56:14,462 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-22 12:56:14,468 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-22 12:56:14,468 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-22 12:56:14,469 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f885a8ca-7c95-445d-9ff3-4f7b7fc051af/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 [2020-11-22 12:56:14,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-11-22 12:56:14,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-11-22 12:56:14,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-22 12:56:14,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-22 12:56:14,548 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-22 12:56:14,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-22 12:56:14,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-22 12:56:14,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-22 12:56:14,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-22 12:56:16,182 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-22 12:56:16,183 INFO L298 CfgBuilder]: Removed 16 assume(true) statements. [2020-11-22 12:56:16,184 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:56:16 BoogieIcfgContainer [2020-11-22 12:56:16,185 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-22 12:56:16,186 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-22 12:56:16,186 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-22 12:56:16,189 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-22 12:56:16,190 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 12:56:14" (1/3) ... [2020-11-22 12:56:16,191 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77e11ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:56:16, skipping insertion in model container [2020-11-22 12:56:16,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:14" (2/3) ... [2020-11-22 12:56:16,191 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77e11ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:56:16, skipping insertion in model container [2020-11-22 12:56:16,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:56:16" (3/3) ... [2020-11-22 12:56:16,193 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1092d.c [2020-11-22 12:56:16,204 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-22 12:56:16,208 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-22 12:56:16,220 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-22 12:56:16,244 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-22 12:56:16,244 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-22 12:56:16,244 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-22 12:56:16,244 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-22 12:56:16,244 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-22 12:56:16,245 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-22 12:56:16,245 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-22 12:56:16,245 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-22 12:56:16,258 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states. [2020-11-22 12:56:16,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-22 12:56:16,263 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:56:16,264 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:56:16,264 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:56:16,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:56:16,270 INFO L82 PathProgramCache]: Analyzing trace with hash 658478814, now seen corresponding path program 1 times [2020-11-22 12:56:16,281 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:56:16,281 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1897781779] [2020-11-22 12:56:16,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f885a8ca-7c95-445d-9ff3-4f7b7fc051af/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 [2020-11-22 12:56:16,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:56:16,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-22 12:56:16,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:56:16,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:56:16,407 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:56:16,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:56:16,413 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1897781779] [2020-11-22 12:56:16,413 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:56:16,414 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-22 12:56:16,414 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825172237] [2020-11-22 12:56:16,418 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-22 12:56:16,419 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:56:16,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-22 12:56:16,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 12:56:16,433 INFO L87 Difference]: Start difference. First operand 38 states. Second operand 2 states. [2020-11-22 12:56:16,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:56:16,459 INFO L93 Difference]: Finished difference Result 73 states and 115 transitions. [2020-11-22 12:56:16,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-22 12:56:16,460 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 13 [2020-11-22 12:56:16,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:56:16,469 INFO L225 Difference]: With dead ends: 73 [2020-11-22 12:56:16,469 INFO L226 Difference]: Without dead ends: 34 [2020-11-22 12:56:16,472 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 [2020-11-22 12:56:16,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2020-11-22 12:56:16,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2020-11-22 12:56:16,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2020-11-22 12:56:16,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 48 transitions. [2020-11-22 12:56:16,505 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 48 transitions. Word has length 13 [2020-11-22 12:56:16,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:56:16,506 INFO L481 AbstractCegarLoop]: Abstraction has 34 states and 48 transitions. [2020-11-22 12:56:16,506 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-22 12:56:16,506 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 48 transitions. [2020-11-22 12:56:16,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-22 12:56:16,507 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:56:16,507 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:56:16,723 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-22 12:56:16,724 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:56:16,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:56:16,725 INFO L82 PathProgramCache]: Analyzing trace with hash -1562173395, now seen corresponding path program 1 times [2020-11-22 12:56:16,726 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:56:16,726 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [575113782] [2020-11-22 12:56:16,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f885a8ca-7c95-445d-9ff3-4f7b7fc051af/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 [2020-11-22 12:56:16,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:56:16,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-22 12:56:16,935 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:56:17,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:56:17,164 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:56:17,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:56:17,348 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [575113782] [2020-11-22 12:56:17,348 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:56:17,348 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2020-11-22 12:56:17,348 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303229390] [2020-11-22 12:56:17,350 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-22 12:56:17,350 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:56:17,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-22 12:56:17,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-22 12:56:17,351 INFO L87 Difference]: Start difference. First operand 34 states and 48 transitions. Second operand 8 states. [2020-11-22 12:56:17,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:56:17,690 INFO L93 Difference]: Finished difference Result 42 states and 55 transitions. [2020-11-22 12:56:17,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-22 12:56:17,692 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 15 [2020-11-22 12:56:17,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:56:17,694 INFO L225 Difference]: With dead ends: 42 [2020-11-22 12:56:17,695 INFO L226 Difference]: Without dead ends: 16 [2020-11-22 12:56:17,696 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 [2020-11-22 12:56:17,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2020-11-22 12:56:17,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2020-11-22 12:56:17,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-11-22 12:56:17,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 15 transitions. [2020-11-22 12:56:17,700 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 15 transitions. Word has length 15 [2020-11-22 12:56:17,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:56:17,700 INFO L481 AbstractCegarLoop]: Abstraction has 16 states and 15 transitions. [2020-11-22 12:56:17,706 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-22 12:56:17,706 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2020-11-22 12:56:17,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-22 12:56:17,707 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:56:17,707 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:56:17,922 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-22 12:56:17,922 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:56:17,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:56:17,923 INFO L82 PathProgramCache]: Analyzing trace with hash 1582346339, now seen corresponding path program 1 times [2020-11-22 12:56:17,923 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:56:17,924 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1008947744] [2020-11-22 12:56:17,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f885a8ca-7c95-445d-9ff3-4f7b7fc051af/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 [2020-11-22 12:56:18,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-22 12:56:18,200 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-22 12:56:18,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-22 12:56:18,360 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-22 12:56:18,413 INFO L173 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2020-11-22 12:56:18,415 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-22 12:56:18,616 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-22 12:56:18,652 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 12:56:18 BoogieIcfgContainer [2020-11-22 12:56:18,652 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-22 12:56:18,653 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-22 12:56:18,653 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-22 12:56:18,653 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-22 12:56:18,654 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:56:16" (3/4) ... [2020-11-22 12:56:18,656 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-22 12:56:18,708 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_f885a8ca-7c95-445d-9ff3-4f7b7fc051af/bin/utaipan/witness.graphml [2020-11-22 12:56:18,709 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-22 12:56:18,711 INFO L168 Benchmark]: Toolchain (without parser) took 4707.67 ms. Allocated memory was 62.9 MB in the beginning and 83.9 MB in the end (delta: 21.0 MB). Free memory was 44.4 MB in the beginning and 46.1 MB in the end (delta: -1.7 MB). Peak memory consumption was 18.3 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:18,711 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 62.9 MB. Free memory is still 45.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 12:56:18,712 INFO L168 Benchmark]: CACSL2BoogieTranslator took 317.68 ms. Allocated memory is still 62.9 MB. Free memory was 44.1 MB in the beginning and 45.3 MB in the end (delta: -1.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:18,713 INFO L168 Benchmark]: Boogie Procedure Inliner took 68.15 ms. Allocated memory is still 62.9 MB. Free memory was 45.1 MB in the beginning and 43.3 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:18,713 INFO L168 Benchmark]: Boogie Preprocessor took 70.35 ms. Allocated memory is still 62.9 MB. Free memory was 43.3 MB in the beginning and 41.6 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 12:56:18,714 INFO L168 Benchmark]: RCFGBuilder took 1722.72 ms. Allocated memory was 62.9 MB in the beginning and 83.9 MB in the end (delta: 21.0 MB). Free memory was 41.4 MB in the beginning and 56.9 MB in the end (delta: -15.5 MB). Peak memory consumption was 16.3 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:18,715 INFO L168 Benchmark]: TraceAbstraction took 2466.04 ms. Allocated memory is still 83.9 MB. Free memory was 56.7 MB in the beginning and 48.9 MB in the end (delta: 7.9 MB). Peak memory consumption was 9.4 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:18,715 INFO L168 Benchmark]: Witness Printer took 55.96 ms. Allocated memory is still 83.9 MB. Free memory was 48.9 MB in the beginning and 46.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:18,719 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 62.9 MB. Free memory is still 45.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 317.68 ms. Allocated memory is still 62.9 MB. Free memory was 44.1 MB in the beginning and 45.3 MB in the end (delta: -1.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 68.15 ms. Allocated memory is still 62.9 MB. Free memory was 45.1 MB in the beginning and 43.3 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 70.35 ms. Allocated memory is still 62.9 MB. Free memory was 43.3 MB in the beginning and 41.6 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 1722.72 ms. Allocated memory was 62.9 MB in the beginning and 83.9 MB in the end (delta: 21.0 MB). Free memory was 41.4 MB in the beginning and 56.9 MB in the end (delta: -15.5 MB). Peak memory consumption was 16.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2466.04 ms. Allocated memory is still 83.9 MB. Free memory was 56.7 MB in the beginning and 48.9 MB in the end (delta: 7.9 MB). Peak memory consumption was 9.4 MB. Max. memory is 16.1 GB. * Witness Printer took 55.96 ms. Allocated memory is still 83.9 MB. Free memory was 48.9 MB in the beginning and 46.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 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: 2.3s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.3s, 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, 0.3s 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...