./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0270b.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_0e913674-b41c-499a-b391-51aec51cefbf/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e913674-b41c-499a-b391-51aec51cefbf/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_0e913674-b41c-499a-b391-51aec51cefbf/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e913674-b41c-499a-b391-51aec51cefbf/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0270b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e913674-b41c-499a-b391-51aec51cefbf/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_0e913674-b41c-499a-b391-51aec51cefbf/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 8d5140f0f8e0289a8d0935e2d97f17b516e2a4b7 ................................................................................................................................................................................................................................................................................................................................... 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_0e913674-b41c-499a-b391-51aec51cefbf/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e913674-b41c-499a-b391-51aec51cefbf/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_0e913674-b41c-499a-b391-51aec51cefbf/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e913674-b41c-499a-b391-51aec51cefbf/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0270b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e913674-b41c-499a-b391-51aec51cefbf/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_0e913674-b41c-499a-b391-51aec51cefbf/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 8d5140f0f8e0289a8d0935e2d97f17b516e2a4b7 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 02:27:37,042 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:27:37,044 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:27:37,084 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:27:37,085 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:27:37,090 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:27:37,093 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:27:37,097 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:27:37,100 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:27:37,106 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:27:37,108 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:27:37,109 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:27:37,110 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:27:37,113 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:27:37,115 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:27:37,118 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:27:37,120 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:27:37,125 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:27:37,130 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:27:37,141 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:27:37,142 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:27:37,143 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:27:37,145 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:27:37,145 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:27:37,148 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:27:37,148 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:27:37,149 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:27:37,150 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:27:37,150 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:27:37,151 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:27:37,152 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:27:37,153 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:27:37,154 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:27:37,155 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:27:37,156 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:27:37,157 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:27:37,158 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:27:37,158 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:27:37,158 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:27:37,159 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:27:37,160 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:27:37,161 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e913674-b41c-499a-b391-51aec51cefbf/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:27:37,187 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:27:37,188 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:27:37,188 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:27:37,189 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:27:37,189 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:27:37,189 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:27:37,189 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:27:37,189 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:27:37,190 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:27:37,190 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:27:37,190 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:27:37,190 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:27:37,191 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:27:37,191 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:27:37,191 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:27:37,192 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:27:37,192 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:27:37,192 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:27:37,192 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:27:37,193 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:27:37,193 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:27:37,193 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:27:37,193 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:27:37,193 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:27:37,194 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:27:37,194 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:27:37,194 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:27:37,194 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:27:37,194 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:27:37,195 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:27:37,195 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:27:37,195 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:27:37,195 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:27:37,196 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:27:37,196 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:27:37,196 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:27:37,196 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:27:37,196 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:27:37,197 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:27:37,197 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_0e913674-b41c-499a-b391-51aec51cefbf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e913674-b41c-499a-b391-51aec51cefbf/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d5140f0f8e0289a8d0935e2d97f17b516e2a4b7 [2021-10-11 02:27:37,448 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:27:37,486 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:27:37,490 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:27:37,491 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:27:37,493 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:27:37,494 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e913674-b41c-499a-b391-51aec51cefbf/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/float-newlib/double_req_bl_0270b.c [2021-10-11 02:27:37,587 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e913674-b41c-499a-b391-51aec51cefbf/bin/utaipan-WLngWcDbfI/data/89b1e8de7/5f4d6b85c37a4986b9012ee23fdfdbb9/FLAG6ae09f30d [2021-10-11 02:27:38,046 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:27:38,047 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e913674-b41c-499a-b391-51aec51cefbf/sv-benchmarks/c/float-newlib/double_req_bl_0270b.c [2021-10-11 02:27:38,063 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e913674-b41c-499a-b391-51aec51cefbf/bin/utaipan-WLngWcDbfI/data/89b1e8de7/5f4d6b85c37a4986b9012ee23fdfdbb9/FLAG6ae09f30d [2021-10-11 02:27:38,415 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e913674-b41c-499a-b391-51aec51cefbf/bin/utaipan-WLngWcDbfI/data/89b1e8de7/5f4d6b85c37a4986b9012ee23fdfdbb9 [2021-10-11 02:27:38,418 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:27:38,420 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:27:38,422 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:27:38,422 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:27:38,426 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:27:38,427 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:27:38" (1/1) ... [2021-10-11 02:27:38,429 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6744d615 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:38, skipping insertion in model container [2021-10-11 02:27:38,429 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:27:38" (1/1) ... [2021-10-11 02:27:38,438 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:27:38,470 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:27:38,720 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_0e913674-b41c-499a-b391-51aec51cefbf/sv-benchmarks/c/float-newlib/double_req_bl_0270b.c[5869,5882] [2021-10-11 02:27:38,724 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:27:38,734 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:27:38,797 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_0e913674-b41c-499a-b391-51aec51cefbf/sv-benchmarks/c/float-newlib/double_req_bl_0270b.c[5869,5882] [2021-10-11 02:27:38,798 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:27:38,815 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:27:38,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:38 WrapperNode [2021-10-11 02:27:38,816 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:27:38,818 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:27:38,818 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:27:38,818 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:27:38,827 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:38" (1/1) ... [2021-10-11 02:27:38,841 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:38" (1/1) ... [2021-10-11 02:27:38,890 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:27:38,891 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:27:38,891 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:27:38,891 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:27:38,901 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:38" (1/1) ... [2021-10-11 02:27:38,901 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:38" (1/1) ... [2021-10-11 02:27:38,907 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:38" (1/1) ... [2021-10-11 02:27:38,907 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:38" (1/1) ... [2021-10-11 02:27:38,921 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:38" (1/1) ... [2021-10-11 02:27:38,930 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:38" (1/1) ... [2021-10-11 02:27:38,934 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:38" (1/1) ... [2021-10-11 02:27:38,939 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:27:38,940 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:27:38,940 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:27:38,941 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:27:38,942 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:38" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e913674-b41c-499a-b391-51aec51cefbf/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 02:27:39,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 02:27:39,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:27:39,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-10-11 02:27:39,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-11 02:27:39,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-10-11 02:27:39,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:27:39,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:27:39,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-11 02:27:39,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-11 02:27:40,358 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:27:40,358 INFO L299 CfgBuilder]: Removed 28 assume(true) statements. [2021-10-11 02:27:40,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:27:40 BoogieIcfgContainer [2021-10-11 02:27:40,361 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:27:40,363 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:27:40,364 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:27:40,371 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:27:40,372 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:27:38" (1/3) ... [2021-10-11 02:27:40,373 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c15b7aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:27:40, skipping insertion in model container [2021-10-11 02:27:40,373 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:38" (2/3) ... [2021-10-11 02:27:40,373 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c15b7aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:27:40, skipping insertion in model container [2021-10-11 02:27:40,374 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:27:40" (3/3) ... [2021-10-11 02:27:40,375 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0270b.c [2021-10-11 02:27:40,391 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:27:40,395 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-10-11 02:27:40,408 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-11 02:27:40,435 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:27:40,435 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:27:40,436 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:27:40,436 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:27:40,436 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:27:40,436 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:27:40,436 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:27:40,436 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:27:40,451 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states. [2021-10-11 02:27:40,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-11 02:27:40,457 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:27:40,457 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:27:40,458 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:27:40,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:27:40,464 INFO L82 PathProgramCache]: Analyzing trace with hash -1592732056, now seen corresponding path program 1 times [2021-10-11 02:27:40,474 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:27:40,475 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309374589] [2021-10-11 02:27:40,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:27:40,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:27:40,641 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 02:27:40,642 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309374589] [2021-10-11 02:27:40,643 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:27:40,643 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:27:40,644 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559806326] [2021-10-11 02:27:40,649 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:27:40,650 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:27:40,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:27:40,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:27:40,671 INFO L87 Difference]: Start difference. First operand 45 states. Second operand 2 states. [2021-10-11 02:27:40,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:27:40,720 INFO L93 Difference]: Finished difference Result 89 states and 145 transitions. [2021-10-11 02:27:40,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:27:40,722 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2021-10-11 02:27:40,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:27:40,741 INFO L225 Difference]: With dead ends: 89 [2021-10-11 02:27:40,741 INFO L226 Difference]: Without dead ends: 43 [2021-10-11 02:27:40,746 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 02:27:40,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2021-10-11 02:27:40,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2021-10-11 02:27:40,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2021-10-11 02:27:40,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 56 transitions. [2021-10-11 02:27:40,789 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 56 transitions. Word has length 9 [2021-10-11 02:27:40,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:27:40,790 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 56 transitions. [2021-10-11 02:27:40,790 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:27:40,790 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 56 transitions. [2021-10-11 02:27:40,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-11 02:27:40,791 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:27:40,791 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:27:40,791 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 02:27:40,792 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:27:40,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:27:40,795 INFO L82 PathProgramCache]: Analyzing trace with hash -905856845, now seen corresponding path program 1 times [2021-10-11 02:27:40,795 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:27:40,796 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196854481] [2021-10-11 02:27:40,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:27:40,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:27:40,884 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:27:40,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:27:40,948 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:27:40,975 INFO L173 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-10-11 02:27:40,975 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-10-11 02:27:40,976 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 02:27:41,012 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:27:41 BoogieIcfgContainer [2021-10-11 02:27:41,013 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:27:41,013 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:27:41,014 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:27:41,014 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:27:41,015 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:27:40" (3/4) ... [2021-10-11 02:27:41,018 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-11 02:27:41,018 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:27:41,021 INFO L168 Benchmark]: Toolchain (without parser) took 2599.73 ms. Allocated memory was 92.3 MB in the beginning and 113.2 MB in the end (delta: 21.0 MB). Free memory was 58.0 MB in the beginning and 48.8 MB in the end (delta: 9.2 MB). Peak memory consumption was 30.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:27:41,022 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 92.3 MB. Free memory was 62.8 MB in the beginning and 62.8 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:27:41,022 INFO L168 Benchmark]: CACSL2BoogieTranslator took 394.91 ms. Allocated memory is still 92.3 MB. Free memory was 58.0 MB in the beginning and 64.0 MB in the end (delta: -6.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:27:41,023 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.08 ms. Allocated memory is still 92.3 MB. Free memory was 64.0 MB in the beginning and 61.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:27:41,024 INFO L168 Benchmark]: Boogie Preprocessor took 48.70 ms. Allocated memory is still 92.3 MB. Free memory was 61.5 MB in the beginning and 59.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:27:41,025 INFO L168 Benchmark]: RCFGBuilder took 1421.37 ms. Allocated memory was 92.3 MB in the beginning and 113.2 MB in the end (delta: 21.0 MB). Free memory was 59.0 MB in the beginning and 74.0 MB in the end (delta: -14.9 MB). Peak memory consumption was 33.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:27:41,026 INFO L168 Benchmark]: TraceAbstraction took 649.54 ms. Allocated memory is still 113.2 MB. Free memory was 73.3 MB in the beginning and 48.8 MB in the end (delta: 24.4 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:27:41,026 INFO L168 Benchmark]: Witness Printer took 5.07 ms. Allocated memory is still 113.2 MB. Free memory is still 48.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:27:41,030 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 92.3 MB. Free memory was 62.8 MB in the beginning and 62.8 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 394.91 ms. Allocated memory is still 92.3 MB. Free memory was 58.0 MB in the beginning and 64.0 MB in the end (delta: -6.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 72.08 ms. Allocated memory is still 92.3 MB. Free memory was 64.0 MB in the beginning and 61.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 48.70 ms. Allocated memory is still 92.3 MB. Free memory was 61.5 MB in the beginning and 59.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1421.37 ms. Allocated memory was 92.3 MB in the beginning and 113.2 MB in the end (delta: 21.0 MB). Free memory was 59.0 MB in the beginning and 74.0 MB in the end (delta: -14.9 MB). Peak memory consumption was 33.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 649.54 ms. Allocated memory is still 113.2 MB. Free memory was 73.3 MB in the beginning and 48.8 MB in the end (delta: 24.4 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * Witness Printer took 5.07 ms. Allocated memory is still 113.2 MB. Free memory is still 48.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 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: 0.5s, 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, 0.1s 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 02:27:43,538 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:27:43,542 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:27:43,598 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:27:43,599 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:27:43,605 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:27:43,607 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:27:43,612 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:27:43,616 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:27:43,622 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:27:43,626 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:27:43,627 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:27:43,628 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:27:43,631 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:27:43,633 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:27:43,635 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:27:43,636 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:27:43,640 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:27:43,643 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:27:43,650 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:27:43,653 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:27:43,654 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:27:43,658 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:27:43,659 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:27:43,668 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:27:43,669 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:27:43,670 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:27:43,672 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:27:43,673 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:27:43,674 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:27:43,674 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:27:43,675 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:27:43,678 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:27:43,679 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:27:43,680 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:27:43,680 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:27:43,681 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:27:43,681 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:27:43,682 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:27:43,684 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:27:43,685 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:27:43,686 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e913674-b41c-499a-b391-51aec51cefbf/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:27:43,740 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:27:43,740 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:27:43,741 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:27:43,742 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:27:43,742 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:27:43,742 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:27:43,743 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:27:43,743 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:27:43,743 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:27:43,745 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:27:43,746 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:27:43,747 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:27:43,747 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:27:43,747 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:27:43,747 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:27:43,748 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:27:43,748 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:27:43,748 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:27:43,749 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:27:43,749 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:27:43,749 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:27:43,750 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:27:43,750 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:27:43,750 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:27:43,751 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:27:43,751 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:27:43,751 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:27:43,751 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:27:43,752 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:27:43,752 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:27:43,752 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:27:43,753 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:27:43,753 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:27:43,753 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:27:43,754 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:27:43,754 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_0e913674-b41c-499a-b391-51aec51cefbf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e913674-b41c-499a-b391-51aec51cefbf/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d5140f0f8e0289a8d0935e2d97f17b516e2a4b7 [2021-10-11 02:27:44,194 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:27:44,216 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:27:44,219 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:27:44,221 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:27:44,222 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:27:44,223 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e913674-b41c-499a-b391-51aec51cefbf/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/float-newlib/double_req_bl_0270b.c [2021-10-11 02:27:44,297 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e913674-b41c-499a-b391-51aec51cefbf/bin/utaipan-WLngWcDbfI/data/e70fa2da2/c0f59331ae6f4a49ae0f77c23716ffee/FLAG6aae29d61 [2021-10-11 02:27:44,880 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:27:44,881 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e913674-b41c-499a-b391-51aec51cefbf/sv-benchmarks/c/float-newlib/double_req_bl_0270b.c [2021-10-11 02:27:44,889 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e913674-b41c-499a-b391-51aec51cefbf/bin/utaipan-WLngWcDbfI/data/e70fa2da2/c0f59331ae6f4a49ae0f77c23716ffee/FLAG6aae29d61 [2021-10-11 02:27:45,208 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e913674-b41c-499a-b391-51aec51cefbf/bin/utaipan-WLngWcDbfI/data/e70fa2da2/c0f59331ae6f4a49ae0f77c23716ffee [2021-10-11 02:27:45,211 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:27:45,212 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:27:45,214 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:27:45,214 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:27:45,223 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:27:45,224 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:27:45" (1/1) ... [2021-10-11 02:27:45,226 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7702fa32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:45, skipping insertion in model container [2021-10-11 02:27:45,227 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:27:45" (1/1) ... [2021-10-11 02:27:45,234 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:27:45,262 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:27:45,487 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_0e913674-b41c-499a-b391-51aec51cefbf/sv-benchmarks/c/float-newlib/double_req_bl_0270b.c[5869,5882] [2021-10-11 02:27:45,491 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:27:45,508 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:27:45,634 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_0e913674-b41c-499a-b391-51aec51cefbf/sv-benchmarks/c/float-newlib/double_req_bl_0270b.c[5869,5882] [2021-10-11 02:27:45,635 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:27:45,656 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:27:45,656 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:45 WrapperNode [2021-10-11 02:27:45,657 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:27:45,658 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:27:45,658 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:27:45,658 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:27:45,672 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:45" (1/1) ... [2021-10-11 02:27:45,694 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:45" (1/1) ... [2021-10-11 02:27:45,741 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:27:45,742 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:27:45,742 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:27:45,742 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:27:45,753 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:45" (1/1) ... [2021-10-11 02:27:45,753 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:45" (1/1) ... [2021-10-11 02:27:45,761 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:45" (1/1) ... [2021-10-11 02:27:45,761 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:45" (1/1) ... [2021-10-11 02:27:45,778 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:45" (1/1) ... [2021-10-11 02:27:45,787 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:45" (1/1) ... [2021-10-11 02:27:45,794 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:45" (1/1) ... [2021-10-11 02:27:45,800 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:27:45,801 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:27:45,801 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:27:45,801 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:27:45,802 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:45" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e913674-b41c-499a-b391-51aec51cefbf/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 02:27:45,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-10-11 02:27:45,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-10-11 02:27:45,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:27:45,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:27:45,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-11 02:27:45,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:27:45,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:27:45,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-11 02:27:45,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-11 02:28:08,492 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:28:08,492 INFO L299 CfgBuilder]: Removed 28 assume(true) statements. [2021-10-11 02:28:08,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:28:08 BoogieIcfgContainer [2021-10-11 02:28:08,494 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:28:08,497 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:28:08,497 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:28:08,500 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:28:08,500 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:27:45" (1/3) ... [2021-10-11 02:28:08,501 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cf3d1aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:28:08, skipping insertion in model container [2021-10-11 02:28:08,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:45" (2/3) ... [2021-10-11 02:28:08,502 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cf3d1aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:28:08, skipping insertion in model container [2021-10-11 02:28:08,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:28:08" (3/3) ... [2021-10-11 02:28:08,504 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0270b.c [2021-10-11 02:28:08,519 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:28:08,522 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-10-11 02:28:08,534 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-11 02:28:08,559 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:28:08,560 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:28:08,560 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:28:08,560 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:28:08,560 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:28:08,560 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:28:08,561 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:28:08,561 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:28:08,575 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states. [2021-10-11 02:28:08,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-11 02:28:08,580 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:08,581 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:28:08,581 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:08,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:08,588 INFO L82 PathProgramCache]: Analyzing trace with hash 1035834224, now seen corresponding path program 1 times [2021-10-11 02:28:08,599 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:28:08,600 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [802223089] [2021-10-11 02:28:08,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e913674-b41c-499a-b391-51aec51cefbf/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 02:28:09,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:09,428 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:28:09,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:28:09,456 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 02:28:09,456 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:28:09,457 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [802223089] [2021-10-11 02:28:09,458 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:28:09,458 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:28:09,458 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419110327] [2021-10-11 02:28:09,461 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:28:09,461 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:28:09,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:28:09,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:28:09,484 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 2 states. [2021-10-11 02:28:09,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:09,526 INFO L93 Difference]: Finished difference Result 140 states and 230 transitions. [2021-10-11 02:28:09,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:28:09,527 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2021-10-11 02:28:09,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:09,538 INFO L225 Difference]: With dead ends: 140 [2021-10-11 02:28:09,538 INFO L226 Difference]: Without dead ends: 68 [2021-10-11 02:28:09,542 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 02:28:09,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2021-10-11 02:28:09,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2021-10-11 02:28:09,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2021-10-11 02:28:09,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 94 transitions. [2021-10-11 02:28:09,582 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 94 transitions. Word has length 10 [2021-10-11 02:28:09,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:09,583 INFO L481 AbstractCegarLoop]: Abstraction has 68 states and 94 transitions. [2021-10-11 02:28:09,583 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:28:09,583 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 94 transitions. [2021-10-11 02:28:09,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-11 02:28:09,584 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:09,584 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:28:09,789 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:28:09,790 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:09,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:09,791 INFO L82 PathProgramCache]: Analyzing trace with hash -744853926, now seen corresponding path program 1 times [2021-10-11 02:28:09,792 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:28:09,792 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [441945108] [2021-10-11 02:28:09,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e913674-b41c-499a-b391-51aec51cefbf/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 02:28:13,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:13,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-11 02:28:13,917 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:28:14,482 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 02:28:14,483 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:28:14,483 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [441945108] [2021-10-11 02:28:14,483 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:28:14,483 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:28:14,484 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495548469] [2021-10-11 02:28:14,486 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:28:14,488 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:28:14,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:28:14,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:28:14,493 INFO L87 Difference]: Start difference. First operand 68 states and 94 transitions. Second operand 5 states. [2021-10-11 02:28:14,842 WARN L197 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2021-10-11 02:28:15,135 WARN L197 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2021-10-11 02:28:17,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:17,033 INFO L93 Difference]: Finished difference Result 124 states and 171 transitions. [2021-10-11 02:28:17,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 02:28:17,034 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2021-10-11 02:28:17,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:17,036 INFO L225 Difference]: With dead ends: 124 [2021-10-11 02:28:17,036 INFO L226 Difference]: Without dead ends: 65 [2021-10-11 02:28:17,038 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 02:28:17,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2021-10-11 02:28:17,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2021-10-11 02:28:17,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2021-10-11 02:28:17,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 85 transitions. [2021-10-11 02:28:17,050 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 85 transitions. Word has length 11 [2021-10-11 02:28:17,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:17,050 INFO L481 AbstractCegarLoop]: Abstraction has 65 states and 85 transitions. [2021-10-11 02:28:17,051 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:28:17,051 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 85 transitions. [2021-10-11 02:28:17,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-11 02:28:17,051 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:17,052 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:28:17,271 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:28:17,272 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:17,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:17,272 INFO L82 PathProgramCache]: Analyzing trace with hash -1629311917, now seen corresponding path program 1 times [2021-10-11 02:28:17,273 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:28:17,274 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [591469375] [2021-10-11 02:28:17,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e913674-b41c-499a-b391-51aec51cefbf/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 02:28:17,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:17,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-11 02:28:17,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:28:17,698 WARN L197 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2021-10-11 02:28:17,973 WARN L197 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2021-10-11 02:28:18,272 WARN L197 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2021-10-11 02:28:18,276 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 02:28:18,276 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:28:18,277 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [591469375] [2021-10-11 02:28:18,277 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:28:18,277 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:28:18,278 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498487058] [2021-10-11 02:28:18,278 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:28:18,278 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:28:18,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:28:18,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:28:18,280 INFO L87 Difference]: Start difference. First operand 65 states and 85 transitions. Second operand 5 states. [2021-10-11 02:28:19,499 WARN L197 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2021-10-11 02:28:19,952 WARN L197 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2021-10-11 02:28:20,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:20,103 INFO L93 Difference]: Finished difference Result 69 states and 88 transitions. [2021-10-11 02:28:20,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 02:28:20,104 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2021-10-11 02:28:20,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:20,106 INFO L225 Difference]: With dead ends: 69 [2021-10-11 02:28:20,106 INFO L226 Difference]: Without dead ends: 65 [2021-10-11 02:28:20,107 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 02:28:20,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2021-10-11 02:28:20,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2021-10-11 02:28:20,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2021-10-11 02:28:20,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 84 transitions. [2021-10-11 02:28:20,120 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 84 transitions. Word has length 12 [2021-10-11 02:28:20,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:20,120 INFO L481 AbstractCegarLoop]: Abstraction has 65 states and 84 transitions. [2021-10-11 02:28:20,121 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:28:20,121 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 84 transitions. [2021-10-11 02:28:20,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-11 02:28:20,122 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:20,122 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 02:28:20,344 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:28:20,344 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:20,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:20,345 INFO L82 PathProgramCache]: Analyzing trace with hash -264969657, now seen corresponding path program 1 times [2021-10-11 02:28:20,346 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:28:20,346 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [684007846] [2021-10-11 02:28:20,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e913674-b41c-499a-b391-51aec51cefbf/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 02:28:26,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:26,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:28:26,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:28:27,044 WARN L197 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2021-10-11 02:28:27,366 WARN L197 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2021-10-11 02:28:27,416 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 02:28:27,416 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:28:27,416 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [684007846] [2021-10-11 02:28:27,417 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:28:27,417 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:28:27,417 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514862435] [2021-10-11 02:28:27,418 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:28:27,418 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:28:27,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:28:27,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:28:27,419 INFO L87 Difference]: Start difference. First operand 65 states and 84 transitions. Second operand 4 states. [2021-10-11 02:28:27,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:27,500 INFO L93 Difference]: Finished difference Result 65 states and 84 transitions. [2021-10-11 02:28:27,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 02:28:27,501 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 28 [2021-10-11 02:28:27,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:27,502 INFO L225 Difference]: With dead ends: 65 [2021-10-11 02:28:27,502 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 02:28:27,503 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 02:28:27,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 02:28:27,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 02:28:27,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 02:28:27,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 02:28:27,503 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2021-10-11 02:28:27,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:27,504 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 02:28:27,504 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:28:27,504 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 02:28:27,504 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 02:28:27,712 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:28:27,713 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 02:28:28,524 WARN L197 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 18 [2021-10-11 02:28:29,043 WARN L197 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 26 [2021-10-11 02:28:29,111 INFO L262 CegarLoopResult]: For program point L85(lines 85 94) no Hoare annotation was computed. [2021-10-11 02:28:29,111 INFO L262 CegarLoopResult]: For program point L85-2(lines 85 94) no Hoare annotation was computed. [2021-10-11 02:28:29,111 INFO L262 CegarLoopResult]: For program point L135(lines 135 140) no Hoare annotation was computed. [2021-10-11 02:28:29,112 INFO L262 CegarLoopResult]: For program point L135-1(lines 128 142) no Hoare annotation was computed. [2021-10-11 02:28:29,112 INFO L262 CegarLoopResult]: For program point L135-2(lines 135 140) no Hoare annotation was computed. [2021-10-11 02:28:29,112 INFO L262 CegarLoopResult]: For program point L36(lines 36 41) no Hoare annotation was computed. [2021-10-11 02:28:29,112 INFO L258 CegarLoopResult]: At program point L69-2(lines 69 79) the Hoare annotation is: false [2021-10-11 02:28:29,112 INFO L262 CegarLoopResult]: For program point L36-2(lines 36 41) no Hoare annotation was computed. [2021-10-11 02:28:29,112 INFO L262 CegarLoopResult]: For program point L69-3(lines 69 79) no Hoare annotation was computed. [2021-10-11 02:28:29,112 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 02:28:29,113 INFO L262 CegarLoopResult]: For program point L119-1(lines 119 124) no Hoare annotation was computed. [2021-10-11 02:28:29,113 INFO L258 CegarLoopResult]: At program point L119-2(lines 119 124) the Hoare annotation is: false [2021-10-11 02:28:29,113 INFO L262 CegarLoopResult]: For program point L119-3(lines 119 124) no Hoare annotation was computed. [2021-10-11 02:28:29,113 INFO L262 CegarLoopResult]: For program point L169(lines 169 195) no Hoare annotation was computed. [2021-10-11 02:28:29,113 INFO L262 CegarLoopResult]: For program point L103(lines 103 111) no Hoare annotation was computed. [2021-10-11 02:28:29,113 INFO L262 CegarLoopResult]: For program point L37(lines 37 40) no Hoare annotation was computed. [2021-10-11 02:28:29,114 INFO L262 CegarLoopResult]: For program point L87(lines 87 88) no Hoare annotation was computed. [2021-10-11 02:28:29,114 INFO L262 CegarLoopResult]: For program point L87-2(lines 87 88) no Hoare annotation was computed. [2021-10-11 02:28:29,114 INFO L262 CegarLoopResult]: For program point L71(lines 71 75) no Hoare annotation was computed. [2021-10-11 02:28:29,114 INFO L262 CegarLoopResult]: For program point L71-2(lines 71 75) no Hoare annotation was computed. [2021-10-11 02:28:29,114 INFO L262 CegarLoopResult]: For program point L171-1(lines 171 175) no Hoare annotation was computed. [2021-10-11 02:28:29,115 INFO L258 CegarLoopResult]: At program point L171-2(lines 171 175) the Hoare annotation is: false [2021-10-11 02:28:29,115 INFO L262 CegarLoopResult]: For program point L171-3(lines 169 180) no Hoare annotation was computed. [2021-10-11 02:28:29,115 INFO L262 CegarLoopResult]: For program point L39(lines 39 40) no Hoare annotation was computed. [2021-10-11 02:28:29,115 INFO L262 CegarLoopResult]: For program point L106(lines 106 111) no Hoare annotation was computed. [2021-10-11 02:28:29,115 INFO L262 CegarLoopResult]: For program point L90(lines 90 91) no Hoare annotation was computed. [2021-10-11 02:28:29,116 INFO L262 CegarLoopResult]: For program point L90-2(lines 90 91) no Hoare annotation was computed. [2021-10-11 02:28:29,116 INFO L262 CegarLoopResult]: For program point L206(lines 206 222) no Hoare annotation was computed. [2021-10-11 02:28:29,116 INFO L262 CegarLoopResult]: For program point L206-2(lines 160 227) no Hoare annotation was computed. [2021-10-11 02:28:29,116 INFO L262 CegarLoopResult]: For program point L107(lines 107 108) no Hoare annotation was computed. [2021-10-11 02:28:29,116 INFO L262 CegarLoopResult]: For program point L107-2(lines 107 108) no Hoare annotation was computed. [2021-10-11 02:28:29,117 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 02:28:29,117 INFO L262 CegarLoopResult]: For program point L58(lines 58 61) no Hoare annotation was computed. [2021-10-11 02:28:29,117 INFO L262 CegarLoopResult]: For program point L58-2(lines 58 61) no Hoare annotation was computed. [2021-10-11 02:28:29,117 INFO L258 CegarLoopResult]: At program point L141(lines 128 142) the Hoare annotation is: false [2021-10-11 02:28:29,117 INFO L258 CegarLoopResult]: At program point L125(lines 20 126) the Hoare annotation is: false [2021-10-11 02:28:29,118 INFO L262 CegarLoopResult]: For program point L26-1(lines 26 31) no Hoare annotation was computed. [2021-10-11 02:28:29,118 INFO L258 CegarLoopResult]: At program point L26-2(lines 26 31) the Hoare annotation is: false [2021-10-11 02:28:29,118 INFO L262 CegarLoopResult]: For program point L26-3(lines 20 126) no Hoare annotation was computed. [2021-10-11 02:28:29,118 INFO L262 CegarLoopResult]: For program point L241(lines 241 244) no Hoare annotation was computed. [2021-10-11 02:28:29,118 INFO L262 CegarLoopResult]: For program point L242(line 242) no Hoare annotation was computed. [2021-10-11 02:28:29,119 INFO L262 CegarLoopResult]: For program point L44(lines 44 55) no Hoare annotation was computed. [2021-10-11 02:28:29,119 INFO L262 CegarLoopResult]: For program point L44-2(lines 44 55) no Hoare annotation was computed. [2021-10-11 02:28:29,119 INFO L258 CegarLoopResult]: At program point L226(lines 160 227) the Hoare annotation is: (and (= ULTIMATE.start_main_~x~0 (fp.neg (_ +zero 11 53))) (= ULTIMATE.start_main_~x~0 ULTIMATE.start___ieee754_asin_~x) (exists ((|v_skolemized_q#valueAsBitvector_13| (_ BitVec 64))) (and (= (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|)) (fp.neg (_ +zero 11 53))) (= (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_13|)) ULTIMATE.start___ieee754_asin_~ix~0))) (= |ULTIMATE.start___ieee754_asin_#res| ULTIMATE.start_main_~x~0) (exists ((|v_skolemized_q#valueAsBitvector_13| (_ BitVec 64))) (and (= (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|)) (fp.neg (_ +zero 11 53))) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_13|) ULTIMATE.start___ieee754_asin_~hx~0)))) [2021-10-11 02:28:29,119 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 02:28:29,120 INFO L258 CegarLoopResult]: At program point L45-2(lines 45 49) the Hoare annotation is: false [2021-10-11 02:28:29,120 INFO L262 CegarLoopResult]: For program point L45-3(lines 45 49) no Hoare annotation was computed. [2021-10-11 02:28:29,120 INFO L262 CegarLoopResult]: For program point L211-1(lines 211 216) no Hoare annotation was computed. [2021-10-11 02:28:29,120 INFO L258 CegarLoopResult]: At program point L211-2(lines 211 216) the Hoare annotation is: false [2021-10-11 02:28:29,120 INFO L262 CegarLoopResult]: For program point L211-3(lines 211 216) no Hoare annotation was computed. [2021-10-11 02:28:29,121 INFO L262 CegarLoopResult]: For program point L163-1(lines 163 167) no Hoare annotation was computed. [2021-10-11 02:28:29,121 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) (= ULTIMATE.start_main_~x~0 (fp.neg (_ +zero 11 53))) (= ULTIMATE.start_main_~x~0 ULTIMATE.start___ieee754_asin_~x) (= currentRoundingMode roundNearestTiesToEven) (= ~huge_asin~0 ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0))) [2021-10-11 02:28:29,121 INFO L262 CegarLoopResult]: For program point L130-1(lines 130 134) no Hoare annotation was computed. [2021-10-11 02:28:29,121 INFO L262 CegarLoopResult]: For program point L163-3(lines 163 167) no Hoare annotation was computed. [2021-10-11 02:28:29,121 INFO L258 CegarLoopResult]: At program point L130-2(lines 130 134) the Hoare annotation is: false [2021-10-11 02:28:29,122 INFO L265 CegarLoopResult]: At program point L246(lines 229 247) the Hoare annotation is: true [2021-10-11 02:28:29,122 INFO L262 CegarLoopResult]: For program point L180(lines 180 195) no Hoare annotation was computed. [2021-10-11 02:28:29,122 INFO L262 CegarLoopResult]: For program point L180-1(lines 180 195) no Hoare annotation was computed. [2021-10-11 02:28:29,122 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 02:28:29,122 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 242) no Hoare annotation was computed. [2021-10-11 02:28:29,123 INFO L262 CegarLoopResult]: For program point L181(lines 181 194) no Hoare annotation was computed. [2021-10-11 02:28:29,123 INFO L258 CegarLoopResult]: At program point L82-2(lines 82 98) the Hoare annotation is: false [2021-10-11 02:28:29,123 INFO L262 CegarLoopResult]: For program point L82-3(lines 20 126) no Hoare annotation was computed. [2021-10-11 02:28:29,123 INFO L262 CegarLoopResult]: For program point L99(lines 99 113) no Hoare annotation was computed. [2021-10-11 02:28:29,123 INFO L262 CegarLoopResult]: For program point L182(lines 182 183) no Hoare annotation was computed. [2021-10-11 02:28:29,124 INFO L262 CegarLoopResult]: For program point L116(lines 116 117) no Hoare annotation was computed. [2021-10-11 02:28:29,124 INFO L262 CegarLoopResult]: For program point L116-2(lines 116 117) no Hoare annotation was computed. [2021-10-11 02:28:29,124 INFO L262 CegarLoopResult]: For program point L50-2(lines 50 51) no Hoare annotation was computed. [2021-10-11 02:28:29,124 INFO L258 CegarLoopResult]: At program point L50-3(lines 50 51) the Hoare annotation is: false [2021-10-11 02:28:29,124 INFO L262 CegarLoopResult]: For program point L50-4(lines 50 51) no Hoare annotation was computed. [2021-10-11 02:28:29,125 INFO L262 CegarLoopResult]: For program point L101(lines 101 112) no Hoare annotation was computed. [2021-10-11 02:28:29,137 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:28:29,140 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:28:29,142 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-11 02:28:29,142 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-11 02:28:29,143 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-11 02:28:29,143 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-11 02:28:29,143 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-11 02:28:29,143 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-11 02:28:29,144 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-11 02:28:29,144 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-11 02:28:29,145 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-11 02:28:29,145 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-11 02:28:29,145 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-11 02:28:29,145 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-11 02:28:29,146 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-11 02:28:29,146 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-11 02:28:29,146 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-11 02:28:29,146 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-11 02:28:29,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:28:29 BoogieIcfgContainer [2021-10-11 02:28:29,149 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:28:29,149 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:28:29,149 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:28:29,150 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:28:29,150 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:28:08" (3/4) ... [2021-10-11 02:28:29,153 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 02:28:29,166 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2021-10-11 02:28:29,166 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-11 02:28:29,167 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:28:29,167 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:28:29,191 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && x == x) && (\exists v_skolemized_q#valueAsBitvector_13 : bv64 :: ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_13[63:63], v_skolemized_q#valueAsBitvector_13[62:52], v_skolemized_q#valueAsBitvector_13[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && ~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_13[63:32]) == ix)) && \result == x) && (\exists v_skolemized_q#valueAsBitvector_13 : bv64 :: ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_13[63:63], v_skolemized_q#valueAsBitvector_13[62:52], v_skolemized_q#valueAsBitvector_13[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && v_skolemized_q#valueAsBitvector_13[63:32] == hx) [2021-10-11 02:28:29,223 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e913674-b41c-499a-b391-51aec51cefbf/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:28:29,223 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:28:29,224 INFO L168 Benchmark]: Toolchain (without parser) took 44011.74 ms. Allocated memory was 60.8 MB in the beginning and 79.7 MB in the end (delta: 18.9 MB). Free memory was 39.5 MB in the beginning and 34.5 MB in the end (delta: 5.0 MB). Peak memory consumption was 22.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:29,225 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 60.8 MB. Free memory was 42.2 MB in the beginning and 42.1 MB in the end (delta: 73.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:28:29,225 INFO L168 Benchmark]: CACSL2BoogieTranslator took 443.49 ms. Allocated memory is still 60.8 MB. Free memory was 39.3 MB in the beginning and 40.7 MB in the end (delta: -1.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:29,226 INFO L168 Benchmark]: Boogie Procedure Inliner took 82.89 ms. Allocated memory is still 60.8 MB. Free memory was 40.5 MB in the beginning and 38.2 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:29,226 INFO L168 Benchmark]: Boogie Preprocessor took 58.51 ms. Allocated memory is still 60.8 MB. Free memory was 38.2 MB in the beginning and 35.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:29,227 INFO L168 Benchmark]: RCFGBuilder took 22693.71 ms. Allocated memory was 60.8 MB in the beginning and 79.7 MB in the end (delta: 18.9 MB). Free memory was 35.6 MB in the beginning and 50.5 MB in the end (delta: -14.9 MB). Peak memory consumption was 17.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:29,227 INFO L168 Benchmark]: TraceAbstraction took 20652.21 ms. Allocated memory is still 79.7 MB. Free memory was 50.1 MB in the beginning and 40.2 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:29,228 INFO L168 Benchmark]: Witness Printer took 74.11 ms. Allocated memory is still 79.7 MB. Free memory was 40.2 MB in the beginning and 34.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:29,230 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 60.8 MB. Free memory was 42.2 MB in the beginning and 42.1 MB in the end (delta: 73.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 443.49 ms. Allocated memory is still 60.8 MB. Free memory was 39.3 MB in the beginning and 40.7 MB in the end (delta: -1.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 82.89 ms. Allocated memory is still 60.8 MB. Free memory was 40.5 MB in the beginning and 38.2 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 58.51 ms. Allocated memory is still 60.8 MB. Free memory was 38.2 MB in the beginning and 35.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 22693.71 ms. Allocated memory was 60.8 MB in the beginning and 79.7 MB in the end (delta: 18.9 MB). Free memory was 35.6 MB in the beginning and 50.5 MB in the end (delta: -14.9 MB). Peak memory consumption was 17.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 20652.21 ms. Allocated memory is still 79.7 MB. Free memory was 50.1 MB in the beginning and 40.2 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.7 MB. Max. memory is 16.1 GB. * Witness Printer took 74.11 ms. Allocated memory is still 79.7 MB. Free memory was 40.2 MB in the beginning and 34.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 4.2 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 02:28:29,241 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:28:29,242 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 && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && x == x) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && huge_asin == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E300) - InvariantResult [Line: 160]: Loop Invariant [2021-10-11 02:28:29,242 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-11 02:28:29,243 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-11 02:28:29,243 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-11 02:28:29,243 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-11 02:28:29,243 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-11 02:28:29,243 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-11 02:28:29,244 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-11 02:28:29,244 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-11 02:28:29,244 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-11 02:28:29,245 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-11 02:28:29,245 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-11 02:28:29,245 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-11 02:28:29,245 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-11 02:28:29,245 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-11 02:28:29,245 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-11 02:28:29,246 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] Derived loop invariant: (((x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && x == x) && (\exists v_skolemized_q#valueAsBitvector_13 : bv64 :: ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_13[63:63], v_skolemized_q#valueAsBitvector_13[62:52], v_skolemized_q#valueAsBitvector_13[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && ~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_13[63:32]) == ix)) && \result == x) && (\exists v_skolemized_q#valueAsBitvector_13 : bv64 :: ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_13[63:63], v_skolemized_q#valueAsBitvector_13[62:52], v_skolemized_q#valueAsBitvector_13[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && v_skolemized_q#valueAsBitvector_13[63:32] == hx) - 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: 19.1s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 4.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 258 SDtfs, 328 SDslu, 160 SDs, 0 SdLazy, 35 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 61 GetRequests, 47 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.8s 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, 78 HoareAnnotationTreeSize, 14 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 14 FomulaSimplificationsInter, 8 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 10.6s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 61 NumberOfCodeBlocks, 61 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 57 ConstructedInterpolants, 5 QuantifiedInterpolants, 6128 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...