./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0270a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbd3367-ddd3-4cbc-8c5c-3f71c2b66c94/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbd3367-ddd3-4cbc-8c5c-3f71c2b66c94/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbd3367-ddd3-4cbc-8c5c-3f71c2b66c94/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbd3367-ddd3-4cbc-8c5c-3f71c2b66c94/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0270a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbd3367-ddd3-4cbc-8c5c-3f71c2b66c94/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbd3367-ddd3-4cbc-8c5c-3f71c2b66c94/bin/utaipan-WLngWcDbfI --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 36a331464187de28b12e5b04905e142d1ff0258d ................................................................................................................................................................................................................................................................................................................................... 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_5dbd3367-ddd3-4cbc-8c5c-3f71c2b66c94/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbd3367-ddd3-4cbc-8c5c-3f71c2b66c94/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbd3367-ddd3-4cbc-8c5c-3f71c2b66c94/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbd3367-ddd3-4cbc-8c5c-3f71c2b66c94/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0270a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbd3367-ddd3-4cbc-8c5c-3f71c2b66c94/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbd3367-ddd3-4cbc-8c5c-3f71c2b66c94/bin/utaipan-WLngWcDbfI --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 36a331464187de28b12e5b04905e142d1ff0258d .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:27:45,653 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:27:45,656 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:27:45,700 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:27:45,701 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:27:45,707 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:27:45,710 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:27:45,715 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:27:45,717 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:27:45,726 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:27:45,727 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:27:45,728 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:27:45,729 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:27:45,732 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:27:45,734 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:27:45,737 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:27:45,739 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:27:45,744 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:27:45,747 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:27:45,758 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:27:45,760 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:27:45,761 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:27:45,765 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:27:45,766 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:27:45,770 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:27:45,770 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:27:45,771 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:27:45,773 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:27:45,774 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:27:45,775 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:27:45,776 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:27:45,777 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:27:45,779 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:27:45,780 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:27:45,782 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:27:45,782 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:27:45,783 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:27:45,783 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:27:45,784 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:27:45,785 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:27:45,785 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:27:45,788 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbd3367-ddd3-4cbc-8c5c-3f71c2b66c94/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:27:45,842 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:27:45,842 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:27:45,843 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:27:45,844 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:27:45,844 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:27:45,844 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:27:45,844 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:27:45,845 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:27:45,845 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:27:45,845 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:27:45,846 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:27:45,846 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:27:45,847 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:27:45,847 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:27:45,847 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:27:45,848 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:27:45,848 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:27:45,849 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:27:45,849 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:27:45,849 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:27:45,849 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:27:45,849 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:27:45,850 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:27:45,850 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:27:45,850 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:27:45,850 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:27:45,851 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:27:45,851 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:27:45,851 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:27:45,853 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:27:45,853 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:27:45,853 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:27:45,854 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:27:45,854 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:27:45,854 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:27:45,854 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:27:45,854 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:27:45,855 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:27:45,855 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:27:45,855 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_5dbd3367-ddd3-4cbc-8c5c-3f71c2b66c94/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbd3367-ddd3-4cbc-8c5c-3f71c2b66c94/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 36a331464187de28b12e5b04905e142d1ff0258d [2021-10-11 02:27:46,176 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:27:46,213 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:27:46,218 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:27:46,220 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:27:46,221 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:27:46,222 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbd3367-ddd3-4cbc-8c5c-3f71c2b66c94/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/float-newlib/double_req_bl_0270a.c [2021-10-11 02:27:46,294 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbd3367-ddd3-4cbc-8c5c-3f71c2b66c94/bin/utaipan-WLngWcDbfI/data/e8ceb5b5e/77c0979028624c9bb78a9a1ffdbc3db6/FLAGdbed6eb49 [2021-10-11 02:27:46,856 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:27:46,858 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbd3367-ddd3-4cbc-8c5c-3f71c2b66c94/sv-benchmarks/c/float-newlib/double_req_bl_0270a.c [2021-10-11 02:27:46,875 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbd3367-ddd3-4cbc-8c5c-3f71c2b66c94/bin/utaipan-WLngWcDbfI/data/e8ceb5b5e/77c0979028624c9bb78a9a1ffdbc3db6/FLAGdbed6eb49 [2021-10-11 02:27:47,180 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbd3367-ddd3-4cbc-8c5c-3f71c2b66c94/bin/utaipan-WLngWcDbfI/data/e8ceb5b5e/77c0979028624c9bb78a9a1ffdbc3db6 [2021-10-11 02:27:47,182 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:27:47,184 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:27:47,185 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:27:47,185 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:27:47,190 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:27:47,191 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:27:47" (1/1) ... [2021-10-11 02:27:47,193 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1de9e289 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:47, skipping insertion in model container [2021-10-11 02:27:47,194 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:27:47" (1/1) ... [2021-10-11 02:27:47,204 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:27:47,230 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:27:47,562 WARN L226 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_5dbd3367-ddd3-4cbc-8c5c-3f71c2b66c94/sv-benchmarks/c/float-newlib/double_req_bl_0270a.c[5868,5881] [2021-10-11 02:27:47,569 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:27:47,580 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:27:47,674 WARN L226 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_5dbd3367-ddd3-4cbc-8c5c-3f71c2b66c94/sv-benchmarks/c/float-newlib/double_req_bl_0270a.c[5868,5881] [2021-10-11 02:27:47,686 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:27:47,702 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:27:47,702 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:47 WrapperNode [2021-10-11 02:27:47,703 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:27:47,704 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:27:47,704 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:27:47,704 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:27:47,712 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:47" (1/1) ... [2021-10-11 02:27:47,723 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:47" (1/1) ... [2021-10-11 02:27:47,760 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:27:47,760 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:27:47,761 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:27:47,761 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:27:47,770 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:47" (1/1) ... [2021-10-11 02:27:47,771 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:47" (1/1) ... [2021-10-11 02:27:47,778 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:47" (1/1) ... [2021-10-11 02:27:47,779 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:47" (1/1) ... [2021-10-11 02:27:47,797 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:47" (1/1) ... [2021-10-11 02:27:47,820 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:47" (1/1) ... [2021-10-11 02:27:47,823 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:47" (1/1) ... [2021-10-11 02:27:47,833 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:27:47,837 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:27:47,838 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:27:47,838 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:27:47,839 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:47" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbd3367-ddd3-4cbc-8c5c-3f71c2b66c94/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:27:47,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 02:27:47,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:27:47,921 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-10-11 02:27:47,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-11 02:27:47,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-10-11 02:27:47,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:27:47,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:27:47,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-11 02:27:47,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-11 02:27:49,285 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:27:49,285 INFO L299 CfgBuilder]: Removed 28 assume(true) statements. [2021-10-11 02:27:49,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:27:49 BoogieIcfgContainer [2021-10-11 02:27:49,287 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:27:49,289 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:27:49,289 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:27:49,292 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:27:49,293 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:27:47" (1/3) ... [2021-10-11 02:27:49,293 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c816fbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:27:49, skipping insertion in model container [2021-10-11 02:27:49,294 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:47" (2/3) ... [2021-10-11 02:27:49,294 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c816fbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:27:49, skipping insertion in model container [2021-10-11 02:27:49,294 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:27:49" (3/3) ... [2021-10-11 02:27:49,295 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0270a.c [2021-10-11 02:27:49,309 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:27:49,312 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-10-11 02:27:49,323 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-11 02:27:49,346 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:27:49,346 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:27:49,346 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:27:49,346 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:27:49,347 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:27:49,347 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:27:49,347 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:27:49,347 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:27:49,360 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states. [2021-10-11 02:27:49,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-11 02:27:49,365 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:27:49,365 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:27:49,365 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:27:49,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:27:49,370 INFO L82 PathProgramCache]: Analyzing trace with hash -1592732056, now seen corresponding path program 1 times [2021-10-11 02:27:49,379 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:27:49,379 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644073339] [2021-10-11 02:27:49,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:27:49,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:27:49,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:27:49,536 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644073339] [2021-10-11 02:27:49,537 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:27:49,538 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:27:49,538 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705149813] [2021-10-11 02:27:49,542 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:27:49,543 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:27:49,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:27:49,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:27:49,558 INFO L87 Difference]: Start difference. First operand 45 states. Second operand 2 states. [2021-10-11 02:27:49,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:27:49,585 INFO L93 Difference]: Finished difference Result 89 states and 145 transitions. [2021-10-11 02:27:49,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:27:49,586 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2021-10-11 02:27:49,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:27:49,598 INFO L225 Difference]: With dead ends: 89 [2021-10-11 02:27:49,598 INFO L226 Difference]: Without dead ends: 43 [2021-10-11 02:27:49,602 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:27:49,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2021-10-11 02:27:49,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2021-10-11 02:27:49,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2021-10-11 02:27:49,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 56 transitions. [2021-10-11 02:27:49,644 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 56 transitions. Word has length 9 [2021-10-11 02:27:49,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:27:49,644 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 56 transitions. [2021-10-11 02:27:49,645 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:27:49,645 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 56 transitions. [2021-10-11 02:27:49,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-11 02:27:49,646 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:27:49,647 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:27:49,647 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 02:27:49,647 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:27:49,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:27:49,650 INFO L82 PathProgramCache]: Analyzing trace with hash -905856845, now seen corresponding path program 1 times [2021-10-11 02:27:49,650 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:27:49,650 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658775430] [2021-10-11 02:27:49,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:27:49,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:27:49,720 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:27:49,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:27:49,783 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:27:49,810 INFO L173 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-10-11 02:27:49,810 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-10-11 02:27:49,811 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 02:27:49,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:27:49 BoogieIcfgContainer [2021-10-11 02:27:49,871 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:27:49,872 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:27:49,872 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:27:49,872 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:27:49,873 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:27:49" (3/4) ... [2021-10-11 02:27:49,878 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-11 02:27:49,879 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:27:49,882 INFO L168 Benchmark]: Toolchain (without parser) took 2696.61 ms. Allocated memory was 98.6 MB in the beginning and 121.6 MB in the end (delta: 23.1 MB). Free memory was 70.3 MB in the beginning and 77.6 MB in the end (delta: -7.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 16.1 GB. [2021-10-11 02:27:49,883 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 98.6 MB. Free memory was 54.4 MB in the beginning and 54.4 MB in the end (delta: 54.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:27:49,885 INFO L168 Benchmark]: CACSL2BoogieTranslator took 517.88 ms. Allocated memory was 98.6 MB in the beginning and 121.6 MB in the end (delta: 23.1 MB). Free memory was 70.3 MB in the beginning and 93.2 MB in the end (delta: -22.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:27:49,886 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.95 ms. Allocated memory is still 121.6 MB. Free memory was 93.2 MB in the beginning and 90.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:27:49,886 INFO L168 Benchmark]: Boogie Preprocessor took 75.58 ms. Allocated memory is still 121.6 MB. Free memory was 90.6 MB in the beginning and 88.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:27:49,887 INFO L168 Benchmark]: RCFGBuilder took 1450.64 ms. Allocated memory is still 121.6 MB. Free memory was 88.5 MB in the beginning and 56.9 MB in the end (delta: 31.6 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:27:49,889 INFO L168 Benchmark]: TraceAbstraction took 582.76 ms. Allocated memory is still 121.6 MB. Free memory was 56.9 MB in the beginning and 77.6 MB in the end (delta: -20.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:27:49,890 INFO L168 Benchmark]: Witness Printer took 7.33 ms. Allocated memory is still 121.6 MB. Free memory is still 77.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:27:49,901 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 98.6 MB. Free memory was 54.4 MB in the beginning and 54.4 MB in the end (delta: 54.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 517.88 ms. Allocated memory was 98.6 MB in the beginning and 121.6 MB in the end (delta: 23.1 MB). Free memory was 70.3 MB in the beginning and 93.2 MB in the end (delta: -22.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 55.95 ms. Allocated memory is still 121.6 MB. Free memory was 93.2 MB in the beginning and 90.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 75.58 ms. Allocated memory is still 121.6 MB. Free memory was 90.6 MB in the beginning and 88.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1450.64 ms. Allocated memory is still 121.6 MB. Free memory was 88.5 MB in the beginning and 56.9 MB in the end (delta: 31.6 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 582.76 ms. Allocated memory is still 121.6 MB. Free memory was 56.9 MB in the beginning and 77.6 MB in the end (delta: -20.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 7.33 ms. Allocated memory is still 121.6 MB. Free memory is still 77.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 242]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 150, overapproximation of bitwiseAnd at line 168, overapproximation of someBinaryArithmeticDOUBLEoperation at line 185, overapproximation of someBinaryDOUBLEComparisonOperation at line 241. Possible FailurePath: [L18] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; [L144-L158] static const double one_asin = 1.00000000000000000000e+00, huge_asin = 1.000e+300, pio2_hi_asin = 1.57079632679489655800e+00, pio2_lo_asin = 6.12323399573676603587e-17, pio4_hi_asin = 7.85398163397448278999e-01, pS0_asin = 1.66666666666666657415e-01, pS1_asin = -3.25565818622400915405e-01, pS2_asin = 2.01212532134862925881e-01, pS3_asin = -4.00555345006794114027e-02, pS4_asin = 7.91534994289814532176e-04, pS5_asin = 3.47933107596021167570e-05, qS1_asin = -2.40339491173441421878e+00, qS2_asin = 2.02094576023350569471e+00, qS3_asin = -6.88283971605453293030e-01, qS4_asin = 7.70381505559019352791e-02; [L237] double x = 0.0; [L161] double t, w, p, q, c, r, s; [L162] __int32_t hx, ix; VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L164] ieee_double_shape_type gh_u; [L165] gh_u.value = (x) [L166] EXPR gh_u.parts.msw [L166] (hx) = gh_u.parts.msw [L168] ix = hx & 0x7fffffff VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L169] COND FALSE !(ix >= 0x3ff00000) VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L180] COND TRUE ix < 0x3fe00000 VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L181] COND FALSE !(ix < 0x3e400000) [L185] t = x * x [L186-L189] p = t * (pS0_asin + t * (pS1_asin + t * (pS2_asin + t * (pS3_asin + t * (pS4_asin + t * pS5_asin))))) [L190-L191] q = one_asin + t * (qS1_asin + t * (qS2_asin + t * (qS3_asin + t * qS4_asin))) [L192] w = p / q [L193] return x + x * w; VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L238] double res = __ieee754_asin(x); [L241] COND TRUE res != x VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L242] reach_error() VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 45 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 58 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=45occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 64 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:27:52,296 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:27:52,299 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:27:52,355 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:27:52,356 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:27:52,357 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:27:52,360 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:27:52,362 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:27:52,365 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:27:52,366 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:27:52,368 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:27:52,369 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:27:52,370 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:27:52,371 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:27:52,373 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:27:52,374 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:27:52,376 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:27:52,377 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:27:52,379 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:27:52,382 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:27:52,384 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:27:52,386 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:27:52,388 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:27:52,389 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:27:52,392 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:27:52,393 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:27:52,393 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:27:52,394 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:27:52,395 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:27:52,397 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:27:52,397 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:27:52,398 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:27:52,400 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:27:52,401 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:27:52,402 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:27:52,403 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:27:52,404 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:27:52,405 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:27:52,405 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:27:52,406 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:27:52,407 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:27:52,408 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbd3367-ddd3-4cbc-8c5c-3f71c2b66c94/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:27:52,433 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:27:52,434 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:27:52,435 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:27:52,435 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:27:52,435 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:27:52,436 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:27:52,436 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:27:52,436 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:27:52,437 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:27:52,438 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:27:52,438 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:27:52,438 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:27:52,438 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:27:52,439 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:27:52,439 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:27:52,439 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:27:52,440 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:27:52,440 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:27:52,440 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:27:52,441 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:27:52,441 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:27:52,441 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:27:52,441 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:27:52,442 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:27:52,442 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:27:52,442 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:27:52,443 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:27:52,443 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:27:52,443 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:27:52,444 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:27:52,444 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:27:52,444 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:27:52,445 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:27:52,445 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:27:52,445 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:27:52,445 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_5dbd3367-ddd3-4cbc-8c5c-3f71c2b66c94/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbd3367-ddd3-4cbc-8c5c-3f71c2b66c94/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 36a331464187de28b12e5b04905e142d1ff0258d [2021-10-11 02:27:52,873 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:27:52,913 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:27:52,915 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:27:52,917 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:27:52,920 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:27:52,921 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbd3367-ddd3-4cbc-8c5c-3f71c2b66c94/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/float-newlib/double_req_bl_0270a.c [2021-10-11 02:27:53,000 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbd3367-ddd3-4cbc-8c5c-3f71c2b66c94/bin/utaipan-WLngWcDbfI/data/3e4fd9df6/730b8975dc9a4d108140961dff0956ba/FLAGdeb7e1ee2 [2021-10-11 02:27:53,522 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:27:53,523 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbd3367-ddd3-4cbc-8c5c-3f71c2b66c94/sv-benchmarks/c/float-newlib/double_req_bl_0270a.c [2021-10-11 02:27:53,531 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbd3367-ddd3-4cbc-8c5c-3f71c2b66c94/bin/utaipan-WLngWcDbfI/data/3e4fd9df6/730b8975dc9a4d108140961dff0956ba/FLAGdeb7e1ee2 [2021-10-11 02:27:53,867 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbd3367-ddd3-4cbc-8c5c-3f71c2b66c94/bin/utaipan-WLngWcDbfI/data/3e4fd9df6/730b8975dc9a4d108140961dff0956ba [2021-10-11 02:27:53,869 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:27:53,871 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:27:53,872 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:27:53,873 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:27:53,887 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:27:53,889 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:27:53" (1/1) ... [2021-10-11 02:27:53,892 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@630f50f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:53, skipping insertion in model container [2021-10-11 02:27:53,898 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:27:53" (1/1) ... [2021-10-11 02:27:53,905 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:27:53,950 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:27:54,273 WARN L226 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_5dbd3367-ddd3-4cbc-8c5c-3f71c2b66c94/sv-benchmarks/c/float-newlib/double_req_bl_0270a.c[5868,5881] [2021-10-11 02:27:54,275 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:27:54,288 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:27:54,341 WARN L226 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_5dbd3367-ddd3-4cbc-8c5c-3f71c2b66c94/sv-benchmarks/c/float-newlib/double_req_bl_0270a.c[5868,5881] [2021-10-11 02:27:54,348 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:27:54,375 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:27:54,375 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:54 WrapperNode [2021-10-11 02:27:54,376 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:27:54,377 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:27:54,377 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:27:54,378 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:27:54,385 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:54" (1/1) ... [2021-10-11 02:27:54,418 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:54" (1/1) ... [2021-10-11 02:27:54,467 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:27:54,470 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:27:54,471 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:27:54,471 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:27:54,482 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:54" (1/1) ... [2021-10-11 02:27:54,483 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:54" (1/1) ... [2021-10-11 02:27:54,508 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:54" (1/1) ... [2021-10-11 02:27:54,508 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:54" (1/1) ... [2021-10-11 02:27:54,522 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:54" (1/1) ... [2021-10-11 02:27:54,554 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:54" (1/1) ... [2021-10-11 02:27:54,558 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:54" (1/1) ... [2021-10-11 02:27:54,563 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:27:54,564 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:27:54,565 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:27:54,565 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:27:54,566 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:54" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbd3367-ddd3-4cbc-8c5c-3f71c2b66c94/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:27:54,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-10-11 02:27:54,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-10-11 02:27:54,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:27:54,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:27:54,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-11 02:27:54,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:27:54,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:27:54,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-11 02:27:54,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-11 02:28:16,781 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:28:16,782 INFO L299 CfgBuilder]: Removed 28 assume(true) statements. [2021-10-11 02:28:16,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:28:16 BoogieIcfgContainer [2021-10-11 02:28:16,789 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:28:16,791 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:28:16,794 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:28:16,797 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:28:16,797 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:27:53" (1/3) ... [2021-10-11 02:28:16,798 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fc2ce55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:28:16, skipping insertion in model container [2021-10-11 02:28:16,799 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:54" (2/3) ... [2021-10-11 02:28:16,799 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fc2ce55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:28:16, skipping insertion in model container [2021-10-11 02:28:16,800 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:28:16" (3/3) ... [2021-10-11 02:28:16,804 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0270a.c [2021-10-11 02:28:16,824 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:28:16,830 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-10-11 02:28:16,841 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-11 02:28:16,871 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:28:16,871 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:28:16,872 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:28:16,872 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:28:16,872 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:28:16,872 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:28:16,872 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:28:16,872 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:28:16,884 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states. [2021-10-11 02:28:16,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-11 02:28:16,889 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:16,890 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:28:16,890 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:16,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:16,896 INFO L82 PathProgramCache]: Analyzing trace with hash 1035834224, now seen corresponding path program 1 times [2021-10-11 02:28:16,909 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:28:16,909 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1434313825] [2021-10-11 02:28:16,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbd3367-ddd3-4cbc-8c5c-3f71c2b66c94/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2021-10-11 02:28:17,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:17,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:28:17,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:28:17,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:28:17,735 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:28:17,735 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1434313825] [2021-10-11 02:28:17,736 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:28:17,736 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:28:17,737 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078986146] [2021-10-11 02:28:17,741 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:28:17,741 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:28:17,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:28:17,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:28:17,755 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 2 states. [2021-10-11 02:28:17,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:17,776 INFO L93 Difference]: Finished difference Result 140 states and 230 transitions. [2021-10-11 02:28:17,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:28:17,778 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2021-10-11 02:28:17,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:17,788 INFO L225 Difference]: With dead ends: 140 [2021-10-11 02:28:17,788 INFO L226 Difference]: Without dead ends: 68 [2021-10-11 02:28:17,791 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:28:17,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2021-10-11 02:28:17,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2021-10-11 02:28:17,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2021-10-11 02:28:17,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 94 transitions. [2021-10-11 02:28:17,823 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 94 transitions. Word has length 10 [2021-10-11 02:28:17,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:17,824 INFO L481 AbstractCegarLoop]: Abstraction has 68 states and 94 transitions. [2021-10-11 02:28:17,824 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:28:17,824 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 94 transitions. [2021-10-11 02:28:17,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-11 02:28:17,825 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:17,825 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:28:18,028 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:28:18,028 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:18,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:18,029 INFO L82 PathProgramCache]: Analyzing trace with hash -744853926, now seen corresponding path program 1 times [2021-10-11 02:28:18,030 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:28:18,030 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2129711934] [2021-10-11 02:28:18,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbd3367-ddd3-4cbc-8c5c-3f71c2b66c94/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2021-10-11 02:28:22,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:22,514 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-11 02:28:22,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:28:23,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:28:23,299 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:28:23,300 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2129711934] [2021-10-11 02:28:23,300 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:28:23,300 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:28:23,300 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764174845] [2021-10-11 02:28:23,302 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:28:23,302 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:28:23,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:28:23,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:28:23,304 INFO L87 Difference]: Start difference. First operand 68 states and 94 transitions. Second operand 5 states. [2021-10-11 02:28:23,700 WARN L197 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2021-10-11 02:28:23,973 WARN L197 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2021-10-11 02:28:26,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:26,105 INFO L93 Difference]: Finished difference Result 124 states and 171 transitions. [2021-10-11 02:28:26,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 02:28:26,107 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2021-10-11 02:28:26,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:26,108 INFO L225 Difference]: With dead ends: 124 [2021-10-11 02:28:26,109 INFO L226 Difference]: Without dead ends: 65 [2021-10-11 02:28:26,110 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 02:28:26,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2021-10-11 02:28:26,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2021-10-11 02:28:26,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2021-10-11 02:28:26,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 85 transitions. [2021-10-11 02:28:26,124 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 85 transitions. Word has length 11 [2021-10-11 02:28:26,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:26,125 INFO L481 AbstractCegarLoop]: Abstraction has 65 states and 85 transitions. [2021-10-11 02:28:26,125 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:28:26,125 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 85 transitions. [2021-10-11 02:28:26,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-11 02:28:26,126 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:26,126 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:28:26,336 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:28:26,337 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:26,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:26,338 INFO L82 PathProgramCache]: Analyzing trace with hash -1629311917, now seen corresponding path program 1 times [2021-10-11 02:28:26,338 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:28:26,339 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1121272116] [2021-10-11 02:28:26,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbd3367-ddd3-4cbc-8c5c-3f71c2b66c94/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2021-10-11 02:28:26,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:26,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-11 02:28:26,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:28:26,865 WARN L197 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2021-10-11 02:28:27,106 WARN L197 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2021-10-11 02:28:27,389 WARN L197 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2021-10-11 02:28:27,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:28:27,395 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:28:27,396 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1121272116] [2021-10-11 02:28:27,396 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:28:27,396 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:28:27,397 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630282627] [2021-10-11 02:28:27,397 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:28:27,398 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:28:27,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:28:27,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:28:27,399 INFO L87 Difference]: Start difference. First operand 65 states and 85 transitions. Second operand 5 states. [2021-10-11 02:28:28,982 WARN L197 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2021-10-11 02:28:29,403 WARN L197 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2021-10-11 02:28:29,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:29,640 INFO L93 Difference]: Finished difference Result 69 states and 88 transitions. [2021-10-11 02:28:29,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 02:28:29,642 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2021-10-11 02:28:29,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:29,644 INFO L225 Difference]: With dead ends: 69 [2021-10-11 02:28:29,644 INFO L226 Difference]: Without dead ends: 65 [2021-10-11 02:28:29,645 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 02:28:29,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2021-10-11 02:28:29,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2021-10-11 02:28:29,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2021-10-11 02:28:29,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 84 transitions. [2021-10-11 02:28:29,659 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 84 transitions. Word has length 12 [2021-10-11 02:28:29,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:29,660 INFO L481 AbstractCegarLoop]: Abstraction has 65 states and 84 transitions. [2021-10-11 02:28:29,660 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:28:29,660 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 84 transitions. [2021-10-11 02:28:29,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-11 02:28:29,661 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:29,662 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:28:29,877 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:28:29,878 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:29,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:29,879 INFO L82 PathProgramCache]: Analyzing trace with hash -264969657, now seen corresponding path program 1 times [2021-10-11 02:28:29,879 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:28:29,879 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [520921752] [2021-10-11 02:28:29,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbd3367-ddd3-4cbc-8c5c-3f71c2b66c94/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2021-10-11 02:28:35,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:36,049 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:28:36,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:28:36,288 WARN L197 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2021-10-11 02:28:36,608 WARN L197 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2021-10-11 02:28:36,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:28:36,674 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:28:36,674 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [520921752] [2021-10-11 02:28:36,674 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:28:36,674 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:28:36,675 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321879078] [2021-10-11 02:28:36,675 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:28:36,675 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:28:36,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:28:36,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:28:36,676 INFO L87 Difference]: Start difference. First operand 65 states and 84 transitions. Second operand 4 states. [2021-10-11 02:28:36,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:36,756 INFO L93 Difference]: Finished difference Result 65 states and 84 transitions. [2021-10-11 02:28:36,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 02:28:36,758 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 28 [2021-10-11 02:28:36,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:36,759 INFO L225 Difference]: With dead ends: 65 [2021-10-11 02:28:36,759 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 02:28:36,760 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 24 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:28:36,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 02:28:36,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 02:28:36,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 02:28:36,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 02:28:36,760 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2021-10-11 02:28:36,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:36,761 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 02:28:36,761 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:28:36,761 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 02:28:36,761 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 02:28:36,961 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:28:36,963 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 02:28:37,793 WARN L197 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 17 [2021-10-11 02:28:38,413 WARN L197 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 25 [2021-10-11 02:28:38,494 INFO L262 CegarLoopResult]: For program point L85(lines 85 94) no Hoare annotation was computed. [2021-10-11 02:28:38,495 INFO L262 CegarLoopResult]: For program point L85-2(lines 85 94) no Hoare annotation was computed. [2021-10-11 02:28:38,495 INFO L262 CegarLoopResult]: For program point L135(lines 135 140) no Hoare annotation was computed. [2021-10-11 02:28:38,495 INFO L262 CegarLoopResult]: For program point L135-1(lines 128 142) no Hoare annotation was computed. [2021-10-11 02:28:38,495 INFO L262 CegarLoopResult]: For program point L135-2(lines 135 140) no Hoare annotation was computed. [2021-10-11 02:28:38,495 INFO L262 CegarLoopResult]: For program point L36(lines 36 41) no Hoare annotation was computed. [2021-10-11 02:28:38,495 INFO L258 CegarLoopResult]: At program point L69-2(lines 69 79) the Hoare annotation is: false [2021-10-11 02:28:38,495 INFO L262 CegarLoopResult]: For program point L36-2(lines 36 41) no Hoare annotation was computed. [2021-10-11 02:28:38,496 INFO L262 CegarLoopResult]: For program point L69-3(lines 69 79) no Hoare annotation was computed. [2021-10-11 02:28:38,496 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 02:28:38,496 INFO L262 CegarLoopResult]: For program point L119-1(lines 119 124) no Hoare annotation was computed. [2021-10-11 02:28:38,496 INFO L258 CegarLoopResult]: At program point L119-2(lines 119 124) the Hoare annotation is: false [2021-10-11 02:28:38,496 INFO L262 CegarLoopResult]: For program point L119-3(lines 119 124) no Hoare annotation was computed. [2021-10-11 02:28:38,496 INFO L262 CegarLoopResult]: For program point L169(lines 169 195) no Hoare annotation was computed. [2021-10-11 02:28:38,496 INFO L262 CegarLoopResult]: For program point L103(lines 103 111) no Hoare annotation was computed. [2021-10-11 02:28:38,496 INFO L262 CegarLoopResult]: For program point L37(lines 37 40) no Hoare annotation was computed. [2021-10-11 02:28:38,496 INFO L262 CegarLoopResult]: For program point L87(lines 87 88) no Hoare annotation was computed. [2021-10-11 02:28:38,496 INFO L262 CegarLoopResult]: For program point L87-2(lines 87 88) no Hoare annotation was computed. [2021-10-11 02:28:38,497 INFO L262 CegarLoopResult]: For program point L71(lines 71 75) no Hoare annotation was computed. [2021-10-11 02:28:38,497 INFO L262 CegarLoopResult]: For program point L71-2(lines 71 75) no Hoare annotation was computed. [2021-10-11 02:28:38,497 INFO L262 CegarLoopResult]: For program point L171-1(lines 171 175) no Hoare annotation was computed. [2021-10-11 02:28:38,497 INFO L258 CegarLoopResult]: At program point L171-2(lines 171 175) the Hoare annotation is: false [2021-10-11 02:28:38,497 INFO L262 CegarLoopResult]: For program point L171-3(lines 169 180) no Hoare annotation was computed. [2021-10-11 02:28:38,497 INFO L262 CegarLoopResult]: For program point L39(lines 39 40) no Hoare annotation was computed. [2021-10-11 02:28:38,497 INFO L262 CegarLoopResult]: For program point L106(lines 106 111) no Hoare annotation was computed. [2021-10-11 02:28:38,497 INFO L262 CegarLoopResult]: For program point L90(lines 90 91) no Hoare annotation was computed. [2021-10-11 02:28:38,498 INFO L262 CegarLoopResult]: For program point L90-2(lines 90 91) no Hoare annotation was computed. [2021-10-11 02:28:38,498 INFO L262 CegarLoopResult]: For program point L206(lines 206 222) no Hoare annotation was computed. [2021-10-11 02:28:38,498 INFO L262 CegarLoopResult]: For program point L206-2(lines 160 227) no Hoare annotation was computed. [2021-10-11 02:28:38,498 INFO L262 CegarLoopResult]: For program point L107(lines 107 108) no Hoare annotation was computed. [2021-10-11 02:28:38,498 INFO L262 CegarLoopResult]: For program point L107-2(lines 107 108) no Hoare annotation was computed. [2021-10-11 02:28:38,498 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 02:28:38,498 INFO L262 CegarLoopResult]: For program point L58(lines 58 61) no Hoare annotation was computed. [2021-10-11 02:28:38,498 INFO L262 CegarLoopResult]: For program point L58-2(lines 58 61) no Hoare annotation was computed. [2021-10-11 02:28:38,499 INFO L258 CegarLoopResult]: At program point L141(lines 128 142) the Hoare annotation is: false [2021-10-11 02:28:38,499 INFO L258 CegarLoopResult]: At program point L125(lines 20 126) the Hoare annotation is: false [2021-10-11 02:28:38,499 INFO L262 CegarLoopResult]: For program point L26-1(lines 26 31) no Hoare annotation was computed. [2021-10-11 02:28:38,499 INFO L258 CegarLoopResult]: At program point L26-2(lines 26 31) the Hoare annotation is: false [2021-10-11 02:28:38,499 INFO L262 CegarLoopResult]: For program point L26-3(lines 20 126) no Hoare annotation was computed. [2021-10-11 02:28:38,499 INFO L262 CegarLoopResult]: For program point L241(lines 241 244) no Hoare annotation was computed. [2021-10-11 02:28:38,499 INFO L262 CegarLoopResult]: For program point L242(line 242) no Hoare annotation was computed. [2021-10-11 02:28:38,499 INFO L262 CegarLoopResult]: For program point L44(lines 44 55) no Hoare annotation was computed. [2021-10-11 02:28:38,499 INFO L262 CegarLoopResult]: For program point L44-2(lines 44 55) no Hoare annotation was computed. [2021-10-11 02:28:38,500 INFO L258 CegarLoopResult]: At program point L226(lines 160 227) the Hoare annotation is: (and (exists ((|v_skolemized_q#valueAsBitvector_13| (_ BitVec 64))) (and (= (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_13|)) ULTIMATE.start___ieee754_asin_~ix~0) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_13|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_13|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_13|)) (_ +zero 11 53)))) (= (_ +zero 11 53) ULTIMATE.start___ieee754_asin_~x) (exists ((|v_skolemized_q#valueAsBitvector_13| (_ BitVec 64))) (and (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_13|) ULTIMATE.start___ieee754_asin_~hx~0) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_13|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_13|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_13|)) (_ +zero 11 53)))) (= |ULTIMATE.start___ieee754_asin_#res| ULTIMATE.start_main_~x~0) (= ULTIMATE.start_main_~x~0 (_ +zero 11 53))) [2021-10-11 02:28:38,500 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 02:28:38,500 INFO L258 CegarLoopResult]: At program point L45-2(lines 45 49) the Hoare annotation is: false [2021-10-11 02:28:38,500 INFO L262 CegarLoopResult]: For program point L45-3(lines 45 49) no Hoare annotation was computed. [2021-10-11 02:28:38,500 INFO L262 CegarLoopResult]: For program point L211-1(lines 211 216) no Hoare annotation was computed. [2021-10-11 02:28:38,500 INFO L258 CegarLoopResult]: At program point L211-2(lines 211 216) the Hoare annotation is: false [2021-10-11 02:28:38,500 INFO L262 CegarLoopResult]: For program point L211-3(lines 211 216) no Hoare annotation was computed. [2021-10-11 02:28:38,501 INFO L262 CegarLoopResult]: For program point L163-1(lines 163 167) no Hoare annotation was computed. [2021-10-11 02:28:38,501 INFO L258 CegarLoopResult]: At program point L163-2(lines 163 167) the Hoare annotation is: (and (= ((_ to_fp 11 53) currentRoundingMode 1.0) ~one_asin~0) (= currentRoundingMode roundNearestTiesToEven) (= (_ +zero 11 53) ULTIMATE.start___ieee754_asin_~x) (= ~huge_asin~0 ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0)) (= ULTIMATE.start_main_~x~0 (_ +zero 11 53))) [2021-10-11 02:28:38,501 INFO L262 CegarLoopResult]: For program point L130-1(lines 130 134) no Hoare annotation was computed. [2021-10-11 02:28:38,501 INFO L262 CegarLoopResult]: For program point L163-3(lines 163 167) no Hoare annotation was computed. [2021-10-11 02:28:38,501 INFO L258 CegarLoopResult]: At program point L130-2(lines 130 134) the Hoare annotation is: false [2021-10-11 02:28:38,501 INFO L265 CegarLoopResult]: At program point L246(lines 229 247) the Hoare annotation is: true [2021-10-11 02:28:38,501 INFO L262 CegarLoopResult]: For program point L180(lines 180 195) no Hoare annotation was computed. [2021-10-11 02:28:38,501 INFO L262 CegarLoopResult]: For program point L180-1(lines 180 195) no Hoare annotation was computed. [2021-10-11 02:28:38,502 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 02:28:38,502 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 242) no Hoare annotation was computed. [2021-10-11 02:28:38,502 INFO L262 CegarLoopResult]: For program point L181(lines 181 194) no Hoare annotation was computed. [2021-10-11 02:28:38,502 INFO L258 CegarLoopResult]: At program point L82-2(lines 82 98) the Hoare annotation is: false [2021-10-11 02:28:38,502 INFO L262 CegarLoopResult]: For program point L82-3(lines 20 126) no Hoare annotation was computed. [2021-10-11 02:28:38,502 INFO L262 CegarLoopResult]: For program point L99(lines 99 113) no Hoare annotation was computed. [2021-10-11 02:28:38,502 INFO L262 CegarLoopResult]: For program point L182(lines 182 183) no Hoare annotation was computed. [2021-10-11 02:28:38,502 INFO L262 CegarLoopResult]: For program point L116(lines 116 117) no Hoare annotation was computed. [2021-10-11 02:28:38,502 INFO L262 CegarLoopResult]: For program point L116-2(lines 116 117) no Hoare annotation was computed. [2021-10-11 02:28:38,502 INFO L262 CegarLoopResult]: For program point L50-2(lines 50 51) no Hoare annotation was computed. [2021-10-11 02:28:38,503 INFO L258 CegarLoopResult]: At program point L50-3(lines 50 51) the Hoare annotation is: false [2021-10-11 02:28:38,503 INFO L262 CegarLoopResult]: For program point L50-4(lines 50 51) no Hoare annotation was computed. [2021-10-11 02:28:38,503 INFO L262 CegarLoopResult]: For program point L101(lines 101 112) no Hoare annotation was computed. [2021-10-11 02:28:38,515 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:28:38,518 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:28:38,520 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-11 02:28:38,521 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-11 02:28:38,521 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-11 02:28:38,521 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-11 02:28:38,521 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-11 02:28:38,522 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-11 02:28:38,522 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-11 02:28:38,522 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-11 02:28:38,523 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-11 02:28:38,524 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-11 02:28:38,524 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-11 02:28:38,524 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-11 02:28:38,524 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-11 02:28:38,525 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-11 02:28:38,525 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-11 02:28:38,525 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-11 02:28:38,528 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:28:38 BoogieIcfgContainer [2021-10-11 02:28:38,528 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:28:38,529 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:28:38,529 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:28:38,529 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:28:38,530 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:28:16" (3/4) ... [2021-10-11 02:28:38,533 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 02:28:38,546 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2021-10-11 02:28:38,547 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-11 02:28:38,547 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:28:38,548 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:28:38,572 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\exists v_skolemized_q#valueAsBitvector_13 : bv64 :: ~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_13[63:32]) == ix && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_13[63:63], v_skolemized_q#valueAsBitvector_13[62:52], v_skolemized_q#valueAsBitvector_13[51:0]) == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == x) && (\exists v_skolemized_q#valueAsBitvector_13 : bv64 :: v_skolemized_q#valueAsBitvector_13[63:32] == hx && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_13[63:63], v_skolemized_q#valueAsBitvector_13[62:52], v_skolemized_q#valueAsBitvector_13[51:0]) == ~Pluszero~LONGDOUBLE())) && \result == x) && x == ~Pluszero~LONGDOUBLE() [2021-10-11 02:28:38,604 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbd3367-ddd3-4cbc-8c5c-3f71c2b66c94/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:28:38,604 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:28:38,605 INFO L168 Benchmark]: Toolchain (without parser) took 44734.10 ms. Allocated memory was 69.2 MB in the beginning and 107.0 MB in the end (delta: 37.7 MB). Free memory was 48.9 MB in the beginning and 57.6 MB in the end (delta: -8.8 MB). Peak memory consumption was 29.0 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:38,606 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 69.2 MB. Free memory is still 50.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:28:38,606 INFO L168 Benchmark]: CACSL2BoogieTranslator took 503.67 ms. Allocated memory is still 69.2 MB. Free memory was 48.7 MB in the beginning and 46.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:38,607 INFO L168 Benchmark]: Boogie Procedure Inliner took 92.15 ms. Allocated memory is still 69.2 MB. Free memory was 46.7 MB in the beginning and 44.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:38,607 INFO L168 Benchmark]: Boogie Preprocessor took 93.82 ms. Allocated memory is still 69.2 MB. Free memory was 44.1 MB in the beginning and 41.7 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:38,608 INFO L168 Benchmark]: RCFGBuilder took 22225.02 ms. Allocated memory was 69.2 MB in the beginning and 107.0 MB in the end (delta: 37.7 MB). Free memory was 41.4 MB in the beginning and 64.4 MB in the end (delta: -23.0 MB). Peak memory consumption was 19.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:38,608 INFO L168 Benchmark]: TraceAbstraction took 21736.87 ms. Allocated memory is still 107.0 MB. Free memory was 64.4 MB in the beginning and 63.9 MB in the end (delta: 487.9 kB). Peak memory consumption was 12.2 kB. Max. memory is 16.1 GB. [2021-10-11 02:28:38,609 INFO L168 Benchmark]: Witness Printer took 75.92 ms. Allocated memory is still 107.0 MB. Free memory was 63.4 MB in the beginning and 57.6 MB in the end (delta: 5.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:38,611 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 69.2 MB. Free memory is still 50.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 503.67 ms. Allocated memory is still 69.2 MB. Free memory was 48.7 MB in the beginning and 46.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 92.15 ms. Allocated memory is still 69.2 MB. Free memory was 46.7 MB in the beginning and 44.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 93.82 ms. Allocated memory is still 69.2 MB. Free memory was 44.1 MB in the beginning and 41.7 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 22225.02 ms. Allocated memory was 69.2 MB in the beginning and 107.0 MB in the end (delta: 37.7 MB). Free memory was 41.4 MB in the beginning and 64.4 MB in the end (delta: -23.0 MB). Peak memory consumption was 19.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 21736.87 ms. Allocated memory is still 107.0 MB. Free memory was 64.4 MB in the beginning and 63.9 MB in the end (delta: 487.9 kB). Peak memory consumption was 12.2 kB. Max. memory is 16.1 GB. * Witness Printer took 75.92 ms. Allocated memory is still 107.0 MB. Free memory was 63.4 MB in the beginning and 57.6 MB in the end (delta: 5.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 242]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 82]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 45]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 229]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 163]: Loop Invariant [2021-10-11 02:28:38,622 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:28:38,622 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (((~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0) == one_asin && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~Pluszero~LONGDOUBLE() == x) && huge_asin == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E300)) && x == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 160]: Loop Invariant [2021-10-11 02:28:38,623 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-11 02:28:38,623 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-11 02:28:38,623 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-11 02:28:38,624 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-11 02:28:38,624 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-11 02:28:38,624 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-11 02:28:38,624 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-11 02:28:38,624 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-11 02:28:38,625 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-11 02:28:38,625 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-11 02:28:38,625 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-11 02:28:38,625 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-11 02:28:38,625 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-11 02:28:38,625 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-11 02:28:38,626 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-11 02:28:38,626 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] Derived loop invariant: ((((\exists v_skolemized_q#valueAsBitvector_13 : bv64 :: ~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_13[63:32]) == ix && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_13[63:63], v_skolemized_q#valueAsBitvector_13[62:52], v_skolemized_q#valueAsBitvector_13[51:0]) == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == x) && (\exists v_skolemized_q#valueAsBitvector_13 : bv64 :: v_skolemized_q#valueAsBitvector_13[63:32] == hx && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_13[63:63], v_skolemized_q#valueAsBitvector_13[62:52], v_skolemized_q#valueAsBitvector_13[51:0]) == ~Pluszero~LONGDOUBLE())) && \result == x) && x == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 71 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 20.0s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 5.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 258 SDtfs, 328 SDslu, 160 SDs, 0 SdLazy, 35 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 61 GetRequests, 47 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=71occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 14 LocationsWithAnnotation, 14 PreInvPairs, 17 NumberOfFragments, 74 HoareAnnotationTreeSize, 14 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 14 FomulaSimplificationsInter, 6 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 10.6s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 61 NumberOfCodeBlocks, 61 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 57 ConstructedInterpolants, 5 QuantifiedInterpolants, 5780 SizeOfPredicates, 17 NumberOfNonLiveVariables, 294 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...