./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/cast_float_ptr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea38a3aa-0ae5-4474-badf-44adb37733c2/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea38a3aa-0ae5-4474-badf-44adb37733c2/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea38a3aa-0ae5-4474-badf-44adb37733c2/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea38a3aa-0ae5-4474-badf-44adb37733c2/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/cast_float_ptr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea38a3aa-0ae5-4474-badf-44adb37733c2/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea38a3aa-0ae5-4474-badf-44adb37733c2/bin/utaipan-9zjyvhn0QE --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 78f30e89596faa37861e47ad729c34c253971261a6589638e8089a38a98c63e4 .................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea38a3aa-0ae5-4474-badf-44adb37733c2/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea38a3aa-0ae5-4474-badf-44adb37733c2/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea38a3aa-0ae5-4474-badf-44adb37733c2/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea38a3aa-0ae5-4474-badf-44adb37733c2/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/cast_float_ptr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea38a3aa-0ae5-4474-badf-44adb37733c2/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea38a3aa-0ae5-4474-badf-44adb37733c2/bin/utaipan-9zjyvhn0QE --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 78f30e89596faa37861e47ad729c34c253971261a6589638e8089a38a98c63e4 ......................................................................................................................................................................................................................................................................................................................... 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 0.2.1-dev-e943c26 [2021-10-24 10:10:25,747 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 10:10:25,752 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 10:10:25,819 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 10:10:25,820 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 10:10:25,826 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 10:10:25,828 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 10:10:25,833 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 10:10:25,837 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 10:10:25,845 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 10:10:25,846 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 10:10:25,849 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 10:10:25,849 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 10:10:25,852 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 10:10:25,855 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 10:10:25,861 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 10:10:25,863 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 10:10:25,864 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 10:10:25,867 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 10:10:25,878 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 10:10:25,880 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 10:10:25,882 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 10:10:25,886 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 10:10:25,887 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 10:10:25,892 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 10:10:25,892 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 10:10:25,893 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 10:10:25,895 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 10:10:25,896 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 10:10:25,897 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 10:10:25,899 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 10:10:25,900 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 10:10:25,902 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 10:10:25,904 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 10:10:25,906 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 10:10:25,906 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 10:10:25,907 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 10:10:25,907 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 10:10:25,908 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 10:10:25,909 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 10:10:25,910 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 10:10:25,911 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea38a3aa-0ae5-4474-badf-44adb37733c2/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-24 10:10:25,968 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 10:10:25,968 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 10:10:25,970 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 10:10:25,970 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 10:10:25,971 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 10:10:25,971 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 10:10:25,971 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-24 10:10:25,972 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 10:10:25,972 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 10:10:25,972 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-24 10:10:25,974 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-24 10:10:25,974 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 10:10:25,974 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-24 10:10:25,975 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-24 10:10:25,975 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-24 10:10:25,976 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 10:10:25,976 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 10:10:25,977 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 10:10:25,977 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 10:10:25,977 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 10:10:25,977 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 10:10:25,978 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 10:10:25,978 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 10:10:25,978 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 10:10:25,979 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 10:10:25,979 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 10:10:25,979 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 10:10:25,980 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 10:10:25,980 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 10:10:25,982 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 10:10:25,982 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:10:25,983 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 10:10:25,983 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 10:10:25,983 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 10:10:25,984 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-24 10:10:25,984 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-24 10:10:25,984 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 10:10:25,985 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 10:10:25,985 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 10:10:25,985 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_worker_vcloud-master_on_vcloud-master/run_dir_ea38a3aa-0ae5-4474-badf-44adb37733c2/bin/utaipan-9zjyvhn0QE/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea38a3aa-0ae5-4474-badf-44adb37733c2/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78f30e89596faa37861e47ad729c34c253971261a6589638e8089a38a98c63e4 [2021-10-24 10:10:26,337 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 10:10:26,364 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 10:10:26,367 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 10:10:26,368 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 10:10:26,369 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 10:10:26,370 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea38a3aa-0ae5-4474-badf-44adb37733c2/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/float-benchs/cast_float_ptr.c [2021-10-24 10:10:26,453 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea38a3aa-0ae5-4474-badf-44adb37733c2/bin/utaipan-9zjyvhn0QE/data/f7a74b8cb/50b0fc310bb7493db7e405e4fd8d380b/FLAG4801995c2 [2021-10-24 10:10:27,070 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 10:10:27,074 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea38a3aa-0ae5-4474-badf-44adb37733c2/sv-benchmarks/c/float-benchs/cast_float_ptr.c [2021-10-24 10:10:27,087 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea38a3aa-0ae5-4474-badf-44adb37733c2/bin/utaipan-9zjyvhn0QE/data/f7a74b8cb/50b0fc310bb7493db7e405e4fd8d380b/FLAG4801995c2 [2021-10-24 10:10:27,426 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea38a3aa-0ae5-4474-badf-44adb37733c2/bin/utaipan-9zjyvhn0QE/data/f7a74b8cb/50b0fc310bb7493db7e405e4fd8d380b [2021-10-24 10:10:27,429 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 10:10:27,431 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 10:10:27,432 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 10:10:27,433 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 10:10:27,437 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 10:10:27,439 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:10:27" (1/1) ... [2021-10-24 10:10:27,440 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@697f5754 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:10:27, skipping insertion in model container [2021-10-24 10:10:27,440 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:10:27" (1/1) ... [2021-10-24 10:10:27,449 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 10:10:27,470 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:10:27,655 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea38a3aa-0ae5-4474-badf-44adb37733c2/sv-benchmarks/c/float-benchs/cast_float_ptr.c[362,375] [2021-10-24 10:10:27,695 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:10:27,707 INFO L203 MainTranslator]: Completed pre-run [2021-10-24 10:10:27,725 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea38a3aa-0ae5-4474-badf-44adb37733c2/sv-benchmarks/c/float-benchs/cast_float_ptr.c[362,375] [2021-10-24 10:10:27,741 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:10:27,761 INFO L208 MainTranslator]: Completed translation [2021-10-24 10:10:27,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:10:27 WrapperNode [2021-10-24 10:10:27,762 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 10:10:27,763 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-24 10:10:27,764 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-24 10:10:27,764 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-24 10:10:27,773 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:10:27" (1/1) ... [2021-10-24 10:10:27,786 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:10:27" (1/1) ... [2021-10-24 10:10:27,819 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-24 10:10:27,820 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-24 10:10:27,821 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-24 10:10:27,821 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-24 10:10:27,830 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:10:27" (1/1) ... [2021-10-24 10:10:27,831 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:10:27" (1/1) ... [2021-10-24 10:10:27,843 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:10:27" (1/1) ... [2021-10-24 10:10:27,845 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:10:27" (1/1) ... [2021-10-24 10:10:27,860 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:10:27" (1/1) ... [2021-10-24 10:10:27,868 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:10:27" (1/1) ... [2021-10-24 10:10:27,870 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:10:27" (1/1) ... [2021-10-24 10:10:27,878 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-24 10:10:27,879 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-24 10:10:27,883 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-24 10:10:27,884 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-24 10:10:27,885 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:10:27" (1/1) ... [2021-10-24 10:10:27,894 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:10:27,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea38a3aa-0ae5-4474-badf-44adb37733c2/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 10:10:27,927 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea38a3aa-0ae5-4474-badf-44adb37733c2/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-24 10:10:27,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea38a3aa-0ae5-4474-badf-44adb37733c2/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-24 10:10:27,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-24 10:10:27,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-24 10:10:27,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-10-24 10:10:27,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-24 10:10:27,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-10-24 10:10:27,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-24 10:10:27,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-24 10:10:27,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-24 10:10:27,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-24 10:10:28,352 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-24 10:10:28,353 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-10-24 10:10:28,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:10:28 BoogieIcfgContainer [2021-10-24 10:10:28,356 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-24 10:10:28,358 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-24 10:10:28,359 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-24 10:10:28,363 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-24 10:10:28,363 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 10:10:27" (1/3) ... [2021-10-24 10:10:28,364 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27376d3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:10:28, skipping insertion in model container [2021-10-24 10:10:28,364 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:10:27" (2/3) ... [2021-10-24 10:10:28,365 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27376d3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:10:28, skipping insertion in model container [2021-10-24 10:10:28,365 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:10:28" (3/3) ... [2021-10-24 10:10:28,367 INFO L111 eAbstractionObserver]: Analyzing ICFG cast_float_ptr.c [2021-10-24 10:10:28,373 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-24 10:10:28,374 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-24 10:10:28,430 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-24 10:10:28,438 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-24 10:10:28,439 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-24 10:10:28,471 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:10:28,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-24 10:10:28,477 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:10:28,477 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-10-24 10:10:28,478 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:10:28,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:10:28,490 INFO L82 PathProgramCache]: Analyzing trace with hash 2125426307, now seen corresponding path program 1 times [2021-10-24 10:10:28,501 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-24 10:10:28,501 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661479954] [2021-10-24 10:10:28,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:10:28,503 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 10:10:28,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-24 10:10:28,672 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-24 10:10:28,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-24 10:10:28,737 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-10-24 10:10:28,740 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-24 10:10:28,741 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:10:28,744 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-24 10:10:28,751 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-24 10:10:28,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 10:10:28 BoogieIcfgContainer [2021-10-24 10:10:28,781 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-24 10:10:28,782 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-24 10:10:28,782 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-24 10:10:28,783 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-24 10:10:28,784 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:10:28" (3/4) ... [2021-10-24 10:10:28,787 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-24 10:10:28,788 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-24 10:10:28,791 INFO L168 Benchmark]: Toolchain (without parser) took 1358.33 ms. Allocated memory was 81.8 MB in the beginning and 104.9 MB in the end (delta: 23.1 MB). Free memory was 45.7 MB in the beginning and 73.9 MB in the end (delta: -28.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:10:28,792 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 81.8 MB. Free memory is still 61.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:10:28,793 INFO L168 Benchmark]: CACSL2BoogieTranslator took 330.06 ms. Allocated memory was 81.8 MB in the beginning and 104.9 MB in the end (delta: 23.1 MB). Free memory was 45.5 MB in the beginning and 81.5 MB in the end (delta: -36.0 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. [2021-10-24 10:10:28,794 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.00 ms. Allocated memory is still 104.9 MB. Free memory was 81.3 MB in the beginning and 79.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-24 10:10:28,795 INFO L168 Benchmark]: Boogie Preprocessor took 57.94 ms. Allocated memory is still 104.9 MB. Free memory was 79.7 MB in the beginning and 78.6 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:10:28,796 INFO L168 Benchmark]: RCFGBuilder took 477.20 ms. Allocated memory is still 104.9 MB. Free memory was 78.4 MB in the beginning and 64.9 MB in the end (delta: 13.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-24 10:10:28,797 INFO L168 Benchmark]: TraceAbstraction took 422.93 ms. Allocated memory is still 104.9 MB. Free memory was 64.5 MB in the beginning and 74.4 MB in the end (delta: -9.9 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:10:28,798 INFO L168 Benchmark]: Witness Printer took 5.85 ms. Allocated memory is still 104.9 MB. Free memory is still 73.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:10:28,802 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 81.8 MB. Free memory is still 61.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 330.06 ms. Allocated memory was 81.8 MB in the beginning and 104.9 MB in the end (delta: 23.1 MB). Free memory was 45.5 MB in the beginning and 81.5 MB in the end (delta: -36.0 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 56.00 ms. Allocated memory is still 104.9 MB. Free memory was 81.3 MB in the beginning and 79.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 57.94 ms. Allocated memory is still 104.9 MB. Free memory was 79.7 MB in the beginning and 78.6 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 477.20 ms. Allocated memory is still 104.9 MB. Free memory was 78.4 MB in the beginning and 64.9 MB in the end (delta: 13.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 422.93 ms. Allocated memory is still 104.9 MB. Free memory was 64.5 MB in the beginning and 74.4 MB in the end (delta: -9.9 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 5.85 ms. Allocated memory is still 104.9 MB. Free memory is still 73.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 5]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 21, overapproximation of bitwiseAnd at line 13. Possible FailurePath: [L34] double a; [L35] float r; [L37] a = __VERIFIER_nondet_double() [L10] double dmax; [L11] float f; [L13] EXPR \read(d) [L13] COND FALSE !((((*(unsigned*)&d) & 0x7FF00000) >> 20) == 2047) [L15] ((unsigned*)&dmax)[0] = 0x47efffff [L16] ((unsigned*)&dmax)[1] = 0xe0000000 [L18] EXPR \read(d) [L18] EXPR \read(dmax) [L18] COND FALSE !(d > dmax) [L21] EXPR \read(d) [L21] EXPR \read(dmax) [L21] COND FALSE !(-d > dmax) [L25] EXPR \read(d) [L25] d >= -3.41e38 && d <= 3.41e38 [L5] COND TRUE !(cond) [L5] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 321.8ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 26.1ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 11.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 9.6ms SsaConstructionTime, 67.6ms SatisfiabilityAnalysisTime, 0.0ms InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 [2021-10-24 10:10:28,866 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea38a3aa-0ae5-4474-badf-44adb37733c2/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 10:10:31,809 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 10:10:31,813 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 10:10:31,877 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 10:10:31,878 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 10:10:31,883 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 10:10:31,886 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 10:10:31,891 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 10:10:31,895 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 10:10:31,905 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 10:10:31,907 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 10:10:31,909 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 10:10:31,910 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 10:10:31,913 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 10:10:31,916 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 10:10:31,920 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 10:10:31,923 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 10:10:31,924 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 10:10:31,926 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 10:10:31,935 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 10:10:31,937 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 10:10:31,939 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 10:10:31,942 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 10:10:31,945 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 10:10:31,955 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 10:10:31,956 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 10:10:31,956 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 10:10:31,958 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 10:10:31,959 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 10:10:31,960 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 10:10:31,961 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 10:10:31,962 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 10:10:31,976 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 10:10:31,977 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 10:10:31,979 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 10:10:31,979 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 10:10:31,981 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 10:10:31,981 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 10:10:31,981 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 10:10:31,983 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 10:10:31,984 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 10:10:31,990 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea38a3aa-0ae5-4474-badf-44adb37733c2/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-24 10:10:32,040 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 10:10:32,040 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 10:10:32,042 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 10:10:32,042 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 10:10:32,042 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 10:10:32,042 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 10:10:32,043 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 10:10:32,043 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 10:10:32,043 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 10:10:32,045 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 10:10:32,046 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 10:10:32,047 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 10:10:32,047 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 10:10:32,047 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 10:10:32,048 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 10:10:32,048 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 10:10:32,048 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 10:10:32,048 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-24 10:10:32,049 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-24 10:10:32,049 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 10:10:32,049 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 10:10:32,049 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 10:10:32,050 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 10:10:32,050 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 10:10:32,050 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-24 10:10:32,051 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 10:10:32,051 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:10:32,051 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 10:10:32,051 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 10:10:32,052 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 10:10:32,052 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-24 10:10:32,052 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-24 10:10:32,052 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 10:10:32,053 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 10:10:32,053 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 10:10:32,054 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_worker_vcloud-master_on_vcloud-master/run_dir_ea38a3aa-0ae5-4474-badf-44adb37733c2/bin/utaipan-9zjyvhn0QE/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea38a3aa-0ae5-4474-badf-44adb37733c2/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78f30e89596faa37861e47ad729c34c253971261a6589638e8089a38a98c63e4 [2021-10-24 10:10:32,466 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 10:10:32,491 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 10:10:32,495 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 10:10:32,497 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 10:10:32,498 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 10:10:32,499 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea38a3aa-0ae5-4474-badf-44adb37733c2/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/float-benchs/cast_float_ptr.c [2021-10-24 10:10:32,577 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea38a3aa-0ae5-4474-badf-44adb37733c2/bin/utaipan-9zjyvhn0QE/data/37337c1bc/a4df12be097748d492741c6f19633bb2/FLAG458530602 [2021-10-24 10:10:33,166 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 10:10:33,168 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea38a3aa-0ae5-4474-badf-44adb37733c2/sv-benchmarks/c/float-benchs/cast_float_ptr.c [2021-10-24 10:10:33,176 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea38a3aa-0ae5-4474-badf-44adb37733c2/bin/utaipan-9zjyvhn0QE/data/37337c1bc/a4df12be097748d492741c6f19633bb2/FLAG458530602 [2021-10-24 10:10:33,507 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea38a3aa-0ae5-4474-badf-44adb37733c2/bin/utaipan-9zjyvhn0QE/data/37337c1bc/a4df12be097748d492741c6f19633bb2 [2021-10-24 10:10:33,510 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 10:10:33,512 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 10:10:33,514 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 10:10:33,515 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 10:10:33,519 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 10:10:33,520 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:10:33" (1/1) ... [2021-10-24 10:10:33,521 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@509fcc08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:10:33, skipping insertion in model container [2021-10-24 10:10:33,521 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:10:33" (1/1) ... [2021-10-24 10:10:33,530 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 10:10:33,545 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:10:33,701 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea38a3aa-0ae5-4474-badf-44adb37733c2/sv-benchmarks/c/float-benchs/cast_float_ptr.c[362,375] [2021-10-24 10:10:33,719 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:10:33,744 INFO L203 MainTranslator]: Completed pre-run [2021-10-24 10:10:33,768 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea38a3aa-0ae5-4474-badf-44adb37733c2/sv-benchmarks/c/float-benchs/cast_float_ptr.c[362,375] [2021-10-24 10:10:33,779 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:10:33,810 INFO L208 MainTranslator]: Completed translation [2021-10-24 10:10:33,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:10:33 WrapperNode [2021-10-24 10:10:33,821 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 10:10:33,823 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-24 10:10:33,823 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-24 10:10:33,823 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-24 10:10:33,831 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:10:33" (1/1) ... [2021-10-24 10:10:33,844 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:10:33" (1/1) ... [2021-10-24 10:10:33,868 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-24 10:10:33,869 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-24 10:10:33,869 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-24 10:10:33,869 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-24 10:10:33,878 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:10:33" (1/1) ... [2021-10-24 10:10:33,878 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:10:33" (1/1) ... [2021-10-24 10:10:33,883 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:10:33" (1/1) ... [2021-10-24 10:10:33,884 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:10:33" (1/1) ... [2021-10-24 10:10:33,894 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:10:33" (1/1) ... [2021-10-24 10:10:33,896 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:10:33" (1/1) ... [2021-10-24 10:10:33,898 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:10:33" (1/1) ... [2021-10-24 10:10:33,902 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-24 10:10:33,903 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-24 10:10:33,904 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-24 10:10:33,904 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-24 10:10:33,905 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:10:33" (1/1) ... [2021-10-24 10:10:33,912 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:10:33,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea38a3aa-0ae5-4474-badf-44adb37733c2/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 10:10:33,938 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea38a3aa-0ae5-4474-badf-44adb37733c2/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-24 10:10:33,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea38a3aa-0ae5-4474-badf-44adb37733c2/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-24 10:10:33,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-10-24 10:10:33,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-10-24 10:10:33,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-24 10:10:33,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-24 10:10:33,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2021-10-24 10:10:33,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-24 10:10:33,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-24 10:10:33,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-24 10:10:33,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2021-10-24 10:10:33,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-24 10:10:33,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-24 10:10:34,580 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-24 10:10:34,581 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-10-24 10:10:34,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:10:34 BoogieIcfgContainer [2021-10-24 10:10:34,583 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-24 10:10:34,608 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-24 10:10:34,608 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-24 10:10:34,612 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-24 10:10:34,612 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 10:10:33" (1/3) ... [2021-10-24 10:10:34,613 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1593bdda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:10:34, skipping insertion in model container [2021-10-24 10:10:34,613 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:10:33" (2/3) ... [2021-10-24 10:10:34,614 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1593bdda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:10:34, skipping insertion in model container [2021-10-24 10:10:34,614 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:10:34" (3/3) ... [2021-10-24 10:10:34,616 INFO L111 eAbstractionObserver]: Analyzing ICFG cast_float_ptr.c [2021-10-24 10:10:34,623 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-24 10:10:34,623 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-24 10:10:34,696 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-24 10:10:34,713 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-24 10:10:34,713 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-24 10:10:34,738 INFO L276 IsEmpty]: Start isEmpty. Operand has 16 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 15 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:10:34,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-24 10:10:34,744 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:10:34,744 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:10:34,745 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:10:34,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:10:34,752 INFO L82 PathProgramCache]: Analyzing trace with hash 1271567759, now seen corresponding path program 1 times [2021-10-24 10:10:34,766 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:10:34,767 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1660609186] [2021-10-24 10:10:34,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:10:34,768 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:10:34,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea38a3aa-0ae5-4474-badf-44adb37733c2/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:10:34,772 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea38a3aa-0ae5-4474-badf-44adb37733c2/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:10:34,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea38a3aa-0ae5-4474-badf-44adb37733c2/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-24 10:10:34,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:10:34,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 13 conjunts are in the unsatisfiable core [2021-10-24 10:10:34,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:10:35,088 INFO L354 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2021-10-24 10:10:35,090 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 62 treesize of output 62 [2021-10-24 10:10:35,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:10:35,825 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:10:36,626 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-10-24 10:10:36,627 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 3017 treesize of output 1 [2021-10-24 10:10:36,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:10:36,633 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:10:36,634 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1660609186] [2021-10-24 10:10:36,635 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1660609186] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:10:36,635 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:10:36,635 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 7] imperfect sequences [] total 11 [2021-10-24 10:10:36,637 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586423167] [2021-10-24 10:10:36,643 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-24 10:10:36,643 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:10:36,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-24 10:10:36,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-10-24 10:10:36,661 INFO L87 Difference]: Start difference. First operand has 16 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 15 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 11 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 11 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:10:38,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:10:38,589 INFO L93 Difference]: Finished difference Result 32 states and 35 transitions. [2021-10-24 10:10:38,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-24 10:10:38,591 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 11 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-10-24 10:10:38,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:10:38,597 INFO L225 Difference]: With dead ends: 32 [2021-10-24 10:10:38,597 INFO L226 Difference]: Without dead ends: 10 [2021-10-24 10:10:38,599 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 958.5ms TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2021-10-24 10:10:38,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2021-10-24 10:10:38,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2021-10-24 10:10:38,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 1.0) internal successors, (9), 9 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:10:38,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 9 transitions. [2021-10-24 10:10:38,628 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 9 transitions. Word has length 9 [2021-10-24 10:10:38,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:10:38,628 INFO L470 AbstractCegarLoop]: Abstraction has 10 states and 9 transitions. [2021-10-24 10:10:38,629 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 11 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:10:38,629 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 9 transitions. [2021-10-24 10:10:38,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-24 10:10:38,629 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:10:38,630 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:10:38,648 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea38a3aa-0ae5-4474-badf-44adb37733c2/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-24 10:10:38,844 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea38a3aa-0ae5-4474-badf-44adb37733c2/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:10:38,844 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:10:38,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:10:38,846 INFO L82 PathProgramCache]: Analyzing trace with hash 1271627341, now seen corresponding path program 1 times [2021-10-24 10:10:38,846 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:10:38,847 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1185148737] [2021-10-24 10:10:38,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:10:38,847 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:10:38,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea38a3aa-0ae5-4474-badf-44adb37733c2/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:10:38,849 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea38a3aa-0ae5-4474-badf-44adb37733c2/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:10:38,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea38a3aa-0ae5-4474-badf-44adb37733c2/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-24 10:10:39,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-24 10:10:39,018 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-24 10:10:39,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-24 10:10:39,143 INFO L133 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-10-24 10:10:39,143 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-24 10:10:39,145 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:10:39,172 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea38a3aa-0ae5-4474-badf-44adb37733c2/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-24 10:10:39,357 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea38a3aa-0ae5-4474-badf-44adb37733c2/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:10:39,364 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-24 10:10:39,393 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 10:10:39 BoogieIcfgContainer [2021-10-24 10:10:39,397 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-24 10:10:39,398 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-24 10:10:39,399 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-24 10:10:39,399 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-24 10:10:39,400 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:10:34" (3/4) ... [2021-10-24 10:10:39,402 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-24 10:10:39,490 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea38a3aa-0ae5-4474-badf-44adb37733c2/bin/utaipan-9zjyvhn0QE/witness.graphml [2021-10-24 10:10:39,492 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-24 10:10:39,496 INFO L168 Benchmark]: Toolchain (without parser) took 5981.48 ms. Allocated memory was 58.7 MB in the beginning and 73.4 MB in the end (delta: 14.7 MB). Free memory was 36.3 MB in the beginning and 44.7 MB in the end (delta: -8.5 MB). Peak memory consumption was 5.8 MB. Max. memory is 16.1 GB. [2021-10-24 10:10:39,500 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 58.7 MB. Free memory was 38.4 MB in the beginning and 38.3 MB in the end (delta: 42.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:10:39,502 INFO L168 Benchmark]: CACSL2BoogieTranslator took 307.36 ms. Allocated memory is still 58.7 MB. Free memory was 36.1 MB in the beginning and 41.3 MB in the end (delta: -5.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-24 10:10:39,503 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.34 ms. Allocated memory is still 58.7 MB. Free memory was 41.1 MB in the beginning and 39.5 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:10:39,504 INFO L168 Benchmark]: Boogie Preprocessor took 34.13 ms. Allocated memory is still 58.7 MB. Free memory was 39.5 MB in the beginning and 38.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-24 10:10:39,505 INFO L168 Benchmark]: RCFGBuilder took 702.78 ms. Allocated memory is still 58.7 MB. Free memory was 38.1 MB in the beginning and 41.1 MB in the end (delta: -3.0 MB). Peak memory consumption was 16.4 MB. Max. memory is 16.1 GB. [2021-10-24 10:10:39,506 INFO L168 Benchmark]: TraceAbstraction took 4789.57 ms. Allocated memory was 58.7 MB in the beginning and 73.4 MB in the end (delta: 14.7 MB). Free memory was 40.7 MB in the beginning and 46.8 MB in the end (delta: -6.2 MB). Peak memory consumption was 7.1 MB. Max. memory is 16.1 GB. [2021-10-24 10:10:39,507 INFO L168 Benchmark]: Witness Printer took 94.63 ms. Allocated memory is still 73.4 MB. Free memory was 46.8 MB in the beginning and 44.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-24 10:10:39,518 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 58.7 MB. Free memory was 38.4 MB in the beginning and 38.3 MB in the end (delta: 42.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 307.36 ms. Allocated memory is still 58.7 MB. Free memory was 36.1 MB in the beginning and 41.3 MB in the end (delta: -5.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 45.34 ms. Allocated memory is still 58.7 MB. Free memory was 41.1 MB in the beginning and 39.5 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 34.13 ms. Allocated memory is still 58.7 MB. Free memory was 39.5 MB in the beginning and 38.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 702.78 ms. Allocated memory is still 58.7 MB. Free memory was 38.1 MB in the beginning and 41.1 MB in the end (delta: -3.0 MB). Peak memory consumption was 16.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4789.57 ms. Allocated memory was 58.7 MB in the beginning and 73.4 MB in the end (delta: 14.7 MB). Free memory was 40.7 MB in the beginning and 46.8 MB in the end (delta: -6.2 MB). Peak memory consumption was 7.1 MB. Max. memory is 16.1 GB. * Witness Printer took 94.63 ms. Allocated memory is still 73.4 MB. Free memory was 46.8 MB in the beginning and 44.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 5]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L34] double a; [L35] float r; [L37] a = __VERIFIER_nondet_double() [L10] double dmax; [L11] float f; [L13] EXPR \read(d) [L13] COND FALSE !((((*(unsigned*)&d) & 0x7FF00000) >> 20) == 2047) [L15] ((unsigned*)&dmax)[0] = 0x47efffff [L16] ((unsigned*)&dmax)[1] = 0xe0000000 [L18] EXPR \read(d) [L18] EXPR \read(dmax) [L18] COND FALSE !(d > dmax) [L21] EXPR \read(d) [L21] EXPR \read(dmax) [L21] COND FALSE !(-d > dmax) [L25] EXPR \read(d) [L25] d >= -3.41e38 && d <= 3.41e38 [L5] COND TRUE !(cond) [L5] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 16 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4668.7ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 15.8ms, AutomataDifference: 1955.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 14.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 15 SDtfs, 22 SDslu, 62 SDs, 0 SdLazy, 87 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1684.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 958.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=16occurred in iteration=0, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 16.8ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 26.3ms SsaConstructionTime, 197.8ms SatisfiabilityAnalysisTime, 1719.1ms InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 16 ConstructedInterpolants, 3 QuantifiedInterpolants, 604 SizeOfPredicates, 8 NumberOfNonLiveVariables, 58 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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! [2021-10-24 10:10:39,584 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea38a3aa-0ae5-4474-badf-44adb37733c2/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...