./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_e8215c1f-ebc0-48a8-a994-e05457bd3d6f/bin/utaipan-tZwUujhuQw/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8215c1f-ebc0-48a8-a994-e05457bd3d6f/bin/utaipan-tZwUujhuQw/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8215c1f-ebc0-48a8-a994-e05457bd3d6f/bin/utaipan-tZwUujhuQw/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8215c1f-ebc0-48a8-a994-e05457bd3d6f/bin/utaipan-tZwUujhuQw/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/cast_float_ptr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8215c1f-ebc0-48a8-a994-e05457bd3d6f/bin/utaipan-tZwUujhuQw/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8215c1f-ebc0-48a8-a994-e05457bd3d6f/bin/utaipan-tZwUujhuQw --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_e8215c1f-ebc0-48a8-a994-e05457bd3d6f/bin/utaipan-tZwUujhuQw/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8215c1f-ebc0-48a8-a994-e05457bd3d6f/bin/utaipan-tZwUujhuQw/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8215c1f-ebc0-48a8-a994-e05457bd3d6f/bin/utaipan-tZwUujhuQw/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8215c1f-ebc0-48a8-a994-e05457bd3d6f/bin/utaipan-tZwUujhuQw/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/cast_float_ptr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8215c1f-ebc0-48a8-a994-e05457bd3d6f/bin/utaipan-tZwUujhuQw/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8215c1f-ebc0-48a8-a994-e05457bd3d6f/bin/utaipan-tZwUujhuQw --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 [2021-10-20 05:18:52,727 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-20 05:18:52,730 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-20 05:18:52,765 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-20 05:18:52,766 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-20 05:18:52,768 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-20 05:18:52,770 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-20 05:18:52,773 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-20 05:18:52,776 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-20 05:18:52,777 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-20 05:18:52,779 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-20 05:18:52,780 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-20 05:18:52,781 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-20 05:18:52,783 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-20 05:18:52,785 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-20 05:18:52,787 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-20 05:18:52,788 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-20 05:18:52,790 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-20 05:18:52,792 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-20 05:18:52,795 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-20 05:18:52,798 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-20 05:18:52,800 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-20 05:18:52,802 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-20 05:18:52,803 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-20 05:18:52,808 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-20 05:18:52,809 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-20 05:18:52,809 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-20 05:18:52,811 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-20 05:18:52,812 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-20 05:18:52,813 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-20 05:18:52,814 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-20 05:18:52,815 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-20 05:18:52,816 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-20 05:18:52,818 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-20 05:18:52,820 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-20 05:18:52,820 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-20 05:18:52,821 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-20 05:18:52,822 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-20 05:18:52,822 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-20 05:18:52,824 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-20 05:18:52,825 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-20 05:18:52,826 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8215c1f-ebc0-48a8-a994-e05457bd3d6f/bin/utaipan-tZwUujhuQw/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-20 05:18:52,864 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-20 05:18:52,864 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-20 05:18:52,865 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-20 05:18:52,865 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-20 05:18:52,866 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-20 05:18:52,866 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-20 05:18:52,866 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-20 05:18:52,870 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-20 05:18:52,870 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-20 05:18:52,871 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-20 05:18:52,879 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-20 05:18:52,880 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-20 05:18:52,880 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-20 05:18:52,880 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-20 05:18:52,881 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-20 05:18:52,882 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-20 05:18:52,882 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-20 05:18:52,882 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-20 05:18:52,883 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-20 05:18:52,883 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-20 05:18:52,883 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-20 05:18:52,884 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-20 05:18:52,884 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-20 05:18:52,885 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-20 05:18:52,885 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-20 05:18:52,885 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-20 05:18:52,886 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-20 05:18:52,886 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-20 05:18:52,886 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-20 05:18:52,888 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-20 05:18:52,889 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-20 05:18:52,889 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-20 05:18:52,890 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-20 05:18:52,890 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-20 05:18:52,890 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-20 05:18:52,890 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-20 05:18:52,891 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-20 05:18:52,891 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-20 05:18:52,891 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-20 05:18:52,892 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_e8215c1f-ebc0-48a8-a994-e05457bd3d6f/bin/utaipan-tZwUujhuQw/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8215c1f-ebc0-48a8-a994-e05457bd3d6f/bin/utaipan-tZwUujhuQw Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78f30e89596faa37861e47ad729c34c253971261a6589638e8089a38a98c63e4 [2021-10-20 05:18:53,256 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-20 05:18:53,303 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-20 05:18:53,306 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-20 05:18:53,307 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-20 05:18:53,309 INFO L275 PluginConnector]: CDTParser initialized [2021-10-20 05:18:53,310 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8215c1f-ebc0-48a8-a994-e05457bd3d6f/bin/utaipan-tZwUujhuQw/../../sv-benchmarks/c/float-benchs/cast_float_ptr.c [2021-10-20 05:18:53,425 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8215c1f-ebc0-48a8-a994-e05457bd3d6f/bin/utaipan-tZwUujhuQw/data/831fdddb0/a5fed2347b8e467aad115ded5d9f2615/FLAG400e13e81 [2021-10-20 05:18:53,959 INFO L306 CDTParser]: Found 1 translation units. [2021-10-20 05:18:53,960 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8215c1f-ebc0-48a8-a994-e05457bd3d6f/sv-benchmarks/c/float-benchs/cast_float_ptr.c [2021-10-20 05:18:53,966 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8215c1f-ebc0-48a8-a994-e05457bd3d6f/bin/utaipan-tZwUujhuQw/data/831fdddb0/a5fed2347b8e467aad115ded5d9f2615/FLAG400e13e81 [2021-10-20 05:18:54,332 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8215c1f-ebc0-48a8-a994-e05457bd3d6f/bin/utaipan-tZwUujhuQw/data/831fdddb0/a5fed2347b8e467aad115ded5d9f2615 [2021-10-20 05:18:54,335 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-20 05:18:54,337 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-20 05:18:54,339 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-20 05:18:54,339 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-20 05:18:54,363 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-20 05:18:54,364 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 05:18:54" (1/1) ... [2021-10-20 05:18:54,365 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63e3d337 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:18:54, skipping insertion in model container [2021-10-20 05:18:54,366 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 05:18:54" (1/1) ... [2021-10-20 05:18:54,375 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-20 05:18:54,394 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-20 05:18:54,585 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_e8215c1f-ebc0-48a8-a994-e05457bd3d6f/sv-benchmarks/c/float-benchs/cast_float_ptr.c[362,375] [2021-10-20 05:18:54,605 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-20 05:18:54,616 INFO L203 MainTranslator]: Completed pre-run [2021-10-20 05:18:54,647 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_e8215c1f-ebc0-48a8-a994-e05457bd3d6f/sv-benchmarks/c/float-benchs/cast_float_ptr.c[362,375] [2021-10-20 05:18:54,665 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-20 05:18:54,687 INFO L208 MainTranslator]: Completed translation [2021-10-20 05:18:54,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:18:54 WrapperNode [2021-10-20 05:18:54,688 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-20 05:18:54,690 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-20 05:18:54,690 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-20 05:18:54,690 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-20 05:18:54,699 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:18:54" (1/1) ... [2021-10-20 05:18:54,708 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:18:54" (1/1) ... [2021-10-20 05:18:54,731 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-20 05:18:54,731 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-20 05:18:54,732 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-20 05:18:54,732 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-20 05:18:54,740 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:18:54" (1/1) ... [2021-10-20 05:18:54,740 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:18:54" (1/1) ... [2021-10-20 05:18:54,743 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:18:54" (1/1) ... [2021-10-20 05:18:54,743 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:18:54" (1/1) ... [2021-10-20 05:18:54,751 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:18:54" (1/1) ... [2021-10-20 05:18:54,753 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:18:54" (1/1) ... [2021-10-20 05:18:54,755 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:18:54" (1/1) ... [2021-10-20 05:18:54,758 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-20 05:18:54,759 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-20 05:18:54,759 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-20 05:18:54,759 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-20 05:18:54,760 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:18:54" (1/1) ... [2021-10-20 05:18:54,771 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-20 05:18:54,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8215c1f-ebc0-48a8-a994-e05457bd3d6f/bin/utaipan-tZwUujhuQw/z3 [2021-10-20 05:18:54,803 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8215c1f-ebc0-48a8-a994-e05457bd3d6f/bin/utaipan-tZwUujhuQw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-20 05:18:54,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8215c1f-ebc0-48a8-a994-e05457bd3d6f/bin/utaipan-tZwUujhuQw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-20 05:18:54,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-20 05:18:54,865 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-20 05:18:54,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-10-20 05:18:54,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-20 05:18:54,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-10-20 05:18:54,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-20 05:18:54,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-20 05:18:54,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-20 05:18:54,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-20 05:18:55,199 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-20 05:18:55,200 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-10-20 05:18:55,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 05:18:55 BoogieIcfgContainer [2021-10-20 05:18:55,203 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-20 05:18:55,205 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-20 05:18:55,205 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-20 05:18:55,209 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-20 05:18:55,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 05:18:54" (1/3) ... [2021-10-20 05:18:55,210 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e49ea2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 05:18:55, skipping insertion in model container [2021-10-20 05:18:55,210 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:18:54" (2/3) ... [2021-10-20 05:18:55,211 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e49ea2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 05:18:55, skipping insertion in model container [2021-10-20 05:18:55,211 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 05:18:55" (3/3) ... [2021-10-20 05:18:55,212 INFO L111 eAbstractionObserver]: Analyzing ICFG cast_float_ptr.c [2021-10-20 05:18:55,218 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-20 05:18:55,219 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-20 05:18:55,308 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-20 05:18:55,316 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 [2021-10-20 05:18:55,317 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-20 05:18:55,335 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) [2021-10-20 05:18:55,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-20 05:18:55,341 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 05:18:55,342 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-10-20 05:18:55,343 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 05:18:55,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 05:18:55,350 INFO L82 PathProgramCache]: Analyzing trace with hash 2125426307, now seen corresponding path program 1 times [2021-10-20 05:18:55,363 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-20 05:18:55,363 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327630600] [2021-10-20 05:18:55,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 05:18:55,365 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-20 05:18:55,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-20 05:18:55,513 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-20 05:18:55,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-20 05:18:55,582 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-10-20 05:18:55,584 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-20 05:18:55,585 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-20 05:18:55,587 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-20 05:18:55,594 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-20 05:18:55,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 05:18:55 BoogieIcfgContainer [2021-10-20 05:18:55,618 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-20 05:18:55,619 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-20 05:18:55,619 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-20 05:18:55,619 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-20 05:18:55,620 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 05:18:55" (3/4) ... [2021-10-20 05:18:55,623 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-20 05:18:55,624 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-20 05:18:55,626 INFO L168 Benchmark]: Toolchain (without parser) took 1287.91 ms. Allocated memory is still 134.2 MB. Free memory was 101.7 MB in the beginning and 77.7 MB in the end (delta: 24.0 MB). Peak memory consumption was 22.4 MB. Max. memory is 16.1 GB. [2021-10-20 05:18:55,627 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 92.3 MB. Free memory is still 49.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-20 05:18:55,627 INFO L168 Benchmark]: CACSL2BoogieTranslator took 349.96 ms. Allocated memory is still 134.2 MB. Free memory was 101.7 MB in the beginning and 110.1 MB in the end (delta: -8.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-20 05:18:55,628 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.20 ms. Allocated memory is still 134.2 MB. Free memory was 110.1 MB in the beginning and 108.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-20 05:18:55,629 INFO L168 Benchmark]: Boogie Preprocessor took 26.29 ms. Allocated memory is still 134.2 MB. Free memory was 108.4 MB in the beginning and 107.4 MB in the end (delta: 933.4 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-20 05:18:55,630 INFO L168 Benchmark]: RCFGBuilder took 444.37 ms. Allocated memory is still 134.2 MB. Free memory was 107.1 MB in the beginning and 93.7 MB in the end (delta: 13.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-20 05:18:55,631 INFO L168 Benchmark]: TraceAbstraction took 413.22 ms. Allocated memory is still 134.2 MB. Free memory was 93.4 MB in the beginning and 78.1 MB in the end (delta: 15.3 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-20 05:18:55,631 INFO L168 Benchmark]: Witness Printer took 5.01 ms. Allocated memory is still 134.2 MB. Free memory was 78.1 MB in the beginning and 77.7 MB in the end (delta: 364.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-20 05:18:55,635 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 92.3 MB. Free memory is still 49.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 349.96 ms. Allocated memory is still 134.2 MB. Free memory was 101.7 MB in the beginning and 110.1 MB in the end (delta: -8.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 41.20 ms. Allocated memory is still 134.2 MB. Free memory was 110.1 MB in the beginning and 108.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 26.29 ms. Allocated memory is still 134.2 MB. Free memory was 108.4 MB in the beginning and 107.4 MB in the end (delta: 933.4 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 444.37 ms. Allocated memory is still 134.2 MB. Free memory was 107.1 MB in the beginning and 93.7 MB in the end (delta: 13.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 413.22 ms. Allocated memory is still 134.2 MB. Free memory was 93.4 MB in the beginning and 78.1 MB in the end (delta: 15.3 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Witness Printer took 5.01 ms. Allocated memory is still 134.2 MB. Free memory was 78.1 MB in the beginning and 77.7 MB in the end (delta: 364.2 kB). 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: 287.0ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 11.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 12.6ms, 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: 9.0ms SsaConstructionTime, 78.3ms 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 [2021-10-20 05:18:55,688 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8215c1f-ebc0-48a8-a994-e05457bd3d6f/bin/utaipan-tZwUujhuQw/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 [2021-10-20 05:18:58,602 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-20 05:18:58,604 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-20 05:18:58,639 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-20 05:18:58,640 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-20 05:18:58,642 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-20 05:18:58,644 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-20 05:18:58,647 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-20 05:18:58,649 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-20 05:18:58,651 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-20 05:18:58,652 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-20 05:18:58,654 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-20 05:18:58,655 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-20 05:18:58,656 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-20 05:18:58,658 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-20 05:18:58,660 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-20 05:18:58,662 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-20 05:18:58,663 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-20 05:18:58,666 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-20 05:18:58,669 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-20 05:18:58,671 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-20 05:18:58,673 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-20 05:18:58,675 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-20 05:18:58,676 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-20 05:18:58,681 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-20 05:18:58,681 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-20 05:18:58,682 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-20 05:18:58,683 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-20 05:18:58,684 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-20 05:18:58,685 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-20 05:18:58,686 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-20 05:18:58,687 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-20 05:18:58,688 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-20 05:18:58,689 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-20 05:18:58,691 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-20 05:18:58,691 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-20 05:18:58,692 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-20 05:18:58,693 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-20 05:18:58,693 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-20 05:18:58,695 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-20 05:18:58,696 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-20 05:18:58,700 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8215c1f-ebc0-48a8-a994-e05457bd3d6f/bin/utaipan-tZwUujhuQw/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-20 05:18:58,740 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-20 05:18:58,740 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-20 05:18:58,746 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-20 05:18:58,747 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-20 05:18:58,747 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-20 05:18:58,748 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-20 05:18:58,748 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-20 05:18:58,748 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-20 05:18:58,749 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-20 05:18:58,750 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-20 05:18:58,750 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-20 05:18:58,750 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-20 05:18:58,751 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-20 05:18:58,751 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-20 05:18:58,751 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-20 05:18:58,752 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-20 05:18:58,752 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-20 05:18:58,752 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-20 05:18:58,753 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-20 05:18:58,753 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-20 05:18:58,753 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-20 05:18:58,753 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-20 05:18:58,754 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-20 05:18:58,754 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-20 05:18:58,754 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-20 05:18:58,755 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-20 05:18:58,755 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-20 05:18:58,755 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-20 05:18:58,756 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-20 05:18:58,756 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-20 05:18:58,756 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-20 05:18:58,757 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-20 05:18:58,757 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-20 05:18:58,757 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-20 05:18:58,758 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-20 05:18:58,758 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_e8215c1f-ebc0-48a8-a994-e05457bd3d6f/bin/utaipan-tZwUujhuQw/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8215c1f-ebc0-48a8-a994-e05457bd3d6f/bin/utaipan-tZwUujhuQw Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78f30e89596faa37861e47ad729c34c253971261a6589638e8089a38a98c63e4 [2021-10-20 05:18:59,179 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-20 05:18:59,204 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-20 05:18:59,207 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-20 05:18:59,208 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-20 05:18:59,215 INFO L275 PluginConnector]: CDTParser initialized [2021-10-20 05:18:59,216 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8215c1f-ebc0-48a8-a994-e05457bd3d6f/bin/utaipan-tZwUujhuQw/../../sv-benchmarks/c/float-benchs/cast_float_ptr.c [2021-10-20 05:18:59,308 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8215c1f-ebc0-48a8-a994-e05457bd3d6f/bin/utaipan-tZwUujhuQw/data/b6d3ecfb1/fd6ac6aa32c549a4b2e37677486fe958/FLAG3d7ed693b [2021-10-20 05:18:59,939 INFO L306 CDTParser]: Found 1 translation units. [2021-10-20 05:18:59,940 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8215c1f-ebc0-48a8-a994-e05457bd3d6f/sv-benchmarks/c/float-benchs/cast_float_ptr.c [2021-10-20 05:18:59,947 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8215c1f-ebc0-48a8-a994-e05457bd3d6f/bin/utaipan-tZwUujhuQw/data/b6d3ecfb1/fd6ac6aa32c549a4b2e37677486fe958/FLAG3d7ed693b [2021-10-20 05:19:00,312 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8215c1f-ebc0-48a8-a994-e05457bd3d6f/bin/utaipan-tZwUujhuQw/data/b6d3ecfb1/fd6ac6aa32c549a4b2e37677486fe958 [2021-10-20 05:19:00,317 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-20 05:19:00,319 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-20 05:19:00,321 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-20 05:19:00,321 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-20 05:19:00,326 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-20 05:19:00,327 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 05:19:00" (1/1) ... [2021-10-20 05:19:00,328 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34d4f4a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:19:00, skipping insertion in model container [2021-10-20 05:19:00,328 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 05:19:00" (1/1) ... [2021-10-20 05:19:00,338 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-20 05:19:00,354 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-20 05:19:00,505 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_e8215c1f-ebc0-48a8-a994-e05457bd3d6f/sv-benchmarks/c/float-benchs/cast_float_ptr.c[362,375] [2021-10-20 05:19:00,524 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-20 05:19:00,541 INFO L203 MainTranslator]: Completed pre-run [2021-10-20 05:19:00,564 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_e8215c1f-ebc0-48a8-a994-e05457bd3d6f/sv-benchmarks/c/float-benchs/cast_float_ptr.c[362,375] [2021-10-20 05:19:00,574 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-20 05:19:00,596 INFO L208 MainTranslator]: Completed translation [2021-10-20 05:19:00,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:19:00 WrapperNode [2021-10-20 05:19:00,597 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-20 05:19:00,599 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-20 05:19:00,599 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-20 05:19:00,599 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-20 05:19:00,608 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:19:00" (1/1) ... [2021-10-20 05:19:00,641 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:19:00" (1/1) ... [2021-10-20 05:19:00,665 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-20 05:19:00,666 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-20 05:19:00,666 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-20 05:19:00,666 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-20 05:19:00,674 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:19:00" (1/1) ... [2021-10-20 05:19:00,674 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:19:00" (1/1) ... [2021-10-20 05:19:00,680 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:19:00" (1/1) ... [2021-10-20 05:19:00,680 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:19:00" (1/1) ... [2021-10-20 05:19:00,691 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:19:00" (1/1) ... [2021-10-20 05:19:00,693 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:19:00" (1/1) ... [2021-10-20 05:19:00,696 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:19:00" (1/1) ... [2021-10-20 05:19:00,700 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-20 05:19:00,701 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-20 05:19:00,701 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-20 05:19:00,701 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-20 05:19:00,702 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:19:00" (1/1) ... [2021-10-20 05:19:00,710 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-20 05:19:00,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8215c1f-ebc0-48a8-a994-e05457bd3d6f/bin/utaipan-tZwUujhuQw/z3 [2021-10-20 05:19:00,746 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8215c1f-ebc0-48a8-a994-e05457bd3d6f/bin/utaipan-tZwUujhuQw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-20 05:19:00,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8215c1f-ebc0-48a8-a994-e05457bd3d6f/bin/utaipan-tZwUujhuQw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-20 05:19:00,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-10-20 05:19:00,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-10-20 05:19:00,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-20 05:19:00,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-20 05:19:00,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2021-10-20 05:19:00,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-20 05:19:00,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-20 05:19:00,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-20 05:19:00,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2021-10-20 05:19:00,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-20 05:19:00,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-20 05:19:01,328 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-20 05:19:01,328 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-10-20 05:19:01,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 05:19:01 BoogieIcfgContainer [2021-10-20 05:19:01,331 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-20 05:19:01,333 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-20 05:19:01,333 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-20 05:19:01,337 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-20 05:19:01,337 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 05:19:00" (1/3) ... [2021-10-20 05:19:01,338 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57e62216 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 05:19:01, skipping insertion in model container [2021-10-20 05:19:01,338 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:19:00" (2/3) ... [2021-10-20 05:19:01,339 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57e62216 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 05:19:01, skipping insertion in model container [2021-10-20 05:19:01,339 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 05:19:01" (3/3) ... [2021-10-20 05:19:01,340 INFO L111 eAbstractionObserver]: Analyzing ICFG cast_float_ptr.c [2021-10-20 05:19:01,347 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-20 05:19:01,347 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-20 05:19:01,406 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-20 05:19:01,414 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 [2021-10-20 05:19:01,415 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-20 05:19:01,440 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) [2021-10-20 05:19:01,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-20 05:19:01,446 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 05:19:01,446 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-20 05:19:01,447 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 05:19:01,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 05:19:01,454 INFO L82 PathProgramCache]: Analyzing trace with hash 1271567759, now seen corresponding path program 1 times [2021-10-20 05:19:01,469 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 05:19:01,469 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [3092731] [2021-10-20 05:19:01,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 05:19:01,471 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 05:19:01,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8215c1f-ebc0-48a8-a994-e05457bd3d6f/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 05:19:01,475 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8215c1f-ebc0-48a8-a994-e05457bd3d6f/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 05:19:01,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8215c1f-ebc0-48a8-a994-e05457bd3d6f/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-20 05:19:01,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 05:19:01,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 13 conjunts are in the unsatisfiable core [2021-10-20 05:19:01,692 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 05:19:01,898 INFO L354 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2021-10-20 05:19:01,899 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 [2021-10-20 05:19:02,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:19:02,578 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 05:19:03,418 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-10-20 05:19:03,419 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 [2021-10-20 05:19:03,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:19:03,427 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 05:19:03,429 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [3092731] [2021-10-20 05:19:03,430 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [3092731] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-20 05:19:03,431 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-20 05:19:03,432 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 7] imperfect sequences [] total 11 [2021-10-20 05:19:03,434 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347288346] [2021-10-20 05:19:03,440 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-20 05:19:03,441 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 05:19:03,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-20 05:19:03,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-10-20 05:19:03,469 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) [2021-10-20 05:19:05,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 05:19:05,502 INFO L93 Difference]: Finished difference Result 32 states and 35 transitions. [2021-10-20 05:19:05,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-20 05:19:05,510 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 [2021-10-20 05:19:05,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 05:19:05,517 INFO L225 Difference]: With dead ends: 32 [2021-10-20 05:19:05,517 INFO L226 Difference]: Without dead ends: 10 [2021-10-20 05:19:05,520 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 1053.1ms TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2021-10-20 05:19:05,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2021-10-20 05:19:05,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2021-10-20 05:19:05,555 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) [2021-10-20 05:19:05,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 9 transitions. [2021-10-20 05:19:05,557 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 9 transitions. Word has length 9 [2021-10-20 05:19:05,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 05:19:05,558 INFO L470 AbstractCegarLoop]: Abstraction has 10 states and 9 transitions. [2021-10-20 05:19:05,558 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) [2021-10-20 05:19:05,558 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 9 transitions. [2021-10-20 05:19:05,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-20 05:19:05,559 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 05:19:05,559 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-20 05:19:05,578 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8215c1f-ebc0-48a8-a994-e05457bd3d6f/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-20 05:19:05,775 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8215c1f-ebc0-48a8-a994-e05457bd3d6f/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 [2021-10-20 05:19:05,776 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 05:19:05,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 05:19:05,777 INFO L82 PathProgramCache]: Analyzing trace with hash 1271627341, now seen corresponding path program 1 times [2021-10-20 05:19:05,778 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 05:19:05,779 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [717132906] [2021-10-20 05:19:05,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 05:19:05,779 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 05:19:05,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8215c1f-ebc0-48a8-a994-e05457bd3d6f/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 05:19:05,781 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8215c1f-ebc0-48a8-a994-e05457bd3d6f/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 05:19:05,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8215c1f-ebc0-48a8-a994-e05457bd3d6f/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-20 05:19:05,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-20 05:19:05,972 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-20 05:19:06,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-20 05:19:06,119 INFO L133 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-10-20 05:19:06,120 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-20 05:19:06,122 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-20 05:19:06,148 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8215c1f-ebc0-48a8-a994-e05457bd3d6f/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-20 05:19:06,324 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8215c1f-ebc0-48a8-a994-e05457bd3d6f/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 [2021-10-20 05:19:06,330 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-20 05:19:06,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 05:19:06 BoogieIcfgContainer [2021-10-20 05:19:06,354 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-20 05:19:06,355 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-20 05:19:06,355 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-20 05:19:06,356 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-20 05:19:06,356 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 05:19:01" (3/4) ... [2021-10-20 05:19:06,358 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-20 05:19:06,407 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8215c1f-ebc0-48a8-a994-e05457bd3d6f/bin/utaipan-tZwUujhuQw/witness.graphml [2021-10-20 05:19:06,407 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-20 05:19:06,409 INFO L168 Benchmark]: Toolchain (without parser) took 6088.63 ms. Allocated memory was 56.6 MB in the beginning and 71.3 MB in the end (delta: 14.7 MB). Free memory was 34.6 MB in the beginning and 42.4 MB in the end (delta: -7.9 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. [2021-10-20 05:19:06,409 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 56.6 MB. Free memory is still 37.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-20 05:19:06,410 INFO L168 Benchmark]: CACSL2BoogieTranslator took 276.65 ms. Allocated memory is still 56.6 MB. Free memory was 34.4 MB in the beginning and 38.7 MB in the end (delta: -4.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-20 05:19:06,411 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.24 ms. Allocated memory is still 56.6 MB. Free memory was 38.7 MB in the beginning and 37.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-20 05:19:06,412 INFO L168 Benchmark]: Boogie Preprocessor took 34.64 ms. Allocated memory is still 56.6 MB. Free memory was 37.1 MB in the beginning and 35.7 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-20 05:19:06,413 INFO L168 Benchmark]: RCFGBuilder took 629.95 ms. Allocated memory was 56.6 MB in the beginning and 71.3 MB in the end (delta: 14.7 MB). Free memory was 35.5 MB in the beginning and 51.1 MB in the end (delta: -15.6 MB). Peak memory consumption was 14.3 MB. Max. memory is 16.1 GB. [2021-10-20 05:19:06,413 INFO L168 Benchmark]: TraceAbstraction took 5021.70 ms. Allocated memory is still 71.3 MB. Free memory was 50.8 MB in the beginning and 44.1 MB in the end (delta: 6.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 16.1 GB. [2021-10-20 05:19:06,414 INFO L168 Benchmark]: Witness Printer took 51.82 ms. Allocated memory is still 71.3 MB. Free memory was 44.1 MB in the beginning and 42.4 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-20 05:19:06,418 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 56.6 MB. Free memory is still 37.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 276.65 ms. Allocated memory is still 56.6 MB. Free memory was 34.4 MB in the beginning and 38.7 MB in the end (delta: -4.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 66.24 ms. Allocated memory is still 56.6 MB. Free memory was 38.7 MB in the beginning and 37.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 34.64 ms. Allocated memory is still 56.6 MB. Free memory was 37.1 MB in the beginning and 35.7 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 629.95 ms. Allocated memory was 56.6 MB in the beginning and 71.3 MB in the end (delta: 14.7 MB). Free memory was 35.5 MB in the beginning and 51.1 MB in the end (delta: -15.6 MB). Peak memory consumption was 14.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5021.70 ms. Allocated memory is still 71.3 MB. Free memory was 50.8 MB in the beginning and 44.1 MB in the end (delta: 6.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 16.1 GB. * Witness Printer took 51.82 ms. Allocated memory is still 71.3 MB. Free memory was 44.1 MB in the beginning and 42.4 MB in the end (delta: 1.6 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 - 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: 4924.5ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 10.8ms, AutomataDifference: 2078.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 20.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 15 SDtfs, 22 SDslu, 62 SDs, 0 SdLazy, 87 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1729.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 1053.1ms 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: 22.8ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 60.5ms SsaConstructionTime, 215.7ms SatisfiabilityAnalysisTime, 1748.3ms 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! [2021-10-20 05:19:06,492 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8215c1f-ebc0-48a8-a994-e05457bd3d6f/bin/utaipan-tZwUujhuQw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...