./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/Rump_float.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_f630ea18-d7b7-4d72-9724-84812799f49a/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f630ea18-d7b7-4d72-9724-84812799f49a/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_f630ea18-d7b7-4d72-9724-84812799f49a/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f630ea18-d7b7-4d72-9724-84812799f49a/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/Rump_float.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f630ea18-d7b7-4d72-9724-84812799f49a/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_f630ea18-d7b7-4d72-9724-84812799f49a/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 14bbb74942280ceabf9fcd57c23c432d4c6462f0 ................................................................................................................................................................................................................................................ 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_f630ea18-d7b7-4d72-9724-84812799f49a/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f630ea18-d7b7-4d72-9724-84812799f49a/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_f630ea18-d7b7-4d72-9724-84812799f49a/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f630ea18-d7b7-4d72-9724-84812799f49a/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/Rump_float.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f630ea18-d7b7-4d72-9724-84812799f49a/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_f630ea18-d7b7-4d72-9724-84812799f49a/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 14bbb74942280ceabf9fcd57c23c432d4c6462f0 ..................................................................................................................................................................................................................................................................................... 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 02:24:14,975 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:24:14,991 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:24:15,039 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:24:15,040 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:24:15,042 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:24:15,044 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:24:15,047 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:24:15,049 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:24:15,051 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:24:15,053 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:24:15,054 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:24:15,055 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:24:15,057 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:24:15,059 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:24:15,061 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:24:15,062 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:24:15,064 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:24:15,067 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:24:15,070 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:24:15,073 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:24:15,080 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:24:15,084 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:24:15,086 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:24:15,091 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:24:15,097 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:24:15,097 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:24:15,099 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:24:15,101 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:24:15,102 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:24:15,103 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:24:15,105 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:24:15,108 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:24:15,109 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:24:15,111 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:24:15,111 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:24:15,112 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:24:15,112 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:24:15,113 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:24:15,114 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:24:15,115 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:24:15,117 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f630ea18-d7b7-4d72-9724-84812799f49a/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:24:15,165 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:24:15,166 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:24:15,168 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:24:15,168 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:24:15,168 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:24:15,169 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:24:15,169 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:24:15,169 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:24:15,169 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:24:15,170 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:24:15,178 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:24:15,179 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:24:15,179 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:24:15,179 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:24:15,179 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:24:15,180 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:24:15,181 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:24:15,181 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:24:15,181 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:24:15,181 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:24:15,182 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:24:15,182 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:24:15,182 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:24:15,182 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:24:15,183 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:24:15,183 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:24:15,183 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:24:15,183 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:24:15,184 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:24:15,184 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:24:15,184 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:24:15,184 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:24:15,185 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:24:15,185 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:24:15,185 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:24:15,186 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:24:15,186 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:24:15,186 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:24:15,186 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:24:15,187 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_f630ea18-d7b7-4d72-9724-84812799f49a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f630ea18-d7b7-4d72-9724-84812799f49a/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14bbb74942280ceabf9fcd57c23c432d4c6462f0 [2021-10-11 02:24:15,556 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:24:15,597 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:24:15,602 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:24:15,604 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:24:15,604 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:24:15,605 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f630ea18-d7b7-4d72-9724-84812799f49a/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/float-benchs/Rump_float.c [2021-10-11 02:24:15,688 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f630ea18-d7b7-4d72-9724-84812799f49a/bin/utaipan-WLngWcDbfI/data/556ef6f76/d32cf99082e94d0099a41f293053a1cf/FLAG4dda06f83 [2021-10-11 02:24:16,245 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:24:16,247 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f630ea18-d7b7-4d72-9724-84812799f49a/sv-benchmarks/c/float-benchs/Rump_float.c [2021-10-11 02:24:16,265 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f630ea18-d7b7-4d72-9724-84812799f49a/bin/utaipan-WLngWcDbfI/data/556ef6f76/d32cf99082e94d0099a41f293053a1cf/FLAG4dda06f83 [2021-10-11 02:24:16,614 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f630ea18-d7b7-4d72-9724-84812799f49a/bin/utaipan-WLngWcDbfI/data/556ef6f76/d32cf99082e94d0099a41f293053a1cf [2021-10-11 02:24:16,617 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:24:16,620 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:24:16,628 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:24:16,628 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:24:16,633 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:24:16,635 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:24:16" (1/1) ... [2021-10-11 02:24:16,638 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a7b289c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:16, skipping insertion in model container [2021-10-11 02:24:16,638 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:24:16" (1/1) ... [2021-10-11 02:24:16,648 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:24:16,666 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:24:16,923 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_f630ea18-d7b7-4d72-9724-84812799f49a/sv-benchmarks/c/float-benchs/Rump_float.c[338,351] [2021-10-11 02:24:16,981 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:24:17,001 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:24:17,018 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_f630ea18-d7b7-4d72-9724-84812799f49a/sv-benchmarks/c/float-benchs/Rump_float.c[338,351] [2021-10-11 02:24:17,034 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:24:17,059 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:24:17,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:17 WrapperNode [2021-10-11 02:24:17,061 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:24:17,063 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:24:17,064 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:24:17,064 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:24:17,074 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:17" (1/1) ... [2021-10-11 02:24:17,086 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:17" (1/1) ... [2021-10-11 02:24:17,107 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:24:17,111 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:24:17,111 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:24:17,112 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:24:17,122 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:17" (1/1) ... [2021-10-11 02:24:17,122 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:17" (1/1) ... [2021-10-11 02:24:17,135 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:17" (1/1) ... [2021-10-11 02:24:17,136 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:17" (1/1) ... [2021-10-11 02:24:17,141 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:17" (1/1) ... [2021-10-11 02:24:17,150 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:17" (1/1) ... [2021-10-11 02:24:17,152 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:17" (1/1) ... [2021-10-11 02:24:17,154 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:24:17,155 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:24:17,156 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:24:17,156 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:24:17,157 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:17" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f630ea18-d7b7-4d72-9724-84812799f49a/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 02:24:17,260 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:24:17,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:24:17,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 02:24:17,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:24:17,625 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:24:17,625 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-11 02:24:17,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:24:17 BoogieIcfgContainer [2021-10-11 02:24:17,628 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:24:17,630 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:24:17,630 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:24:17,634 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:24:17,635 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:24:16" (1/3) ... [2021-10-11 02:24:17,636 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36153165 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:24:17, skipping insertion in model container [2021-10-11 02:24:17,650 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:17" (2/3) ... [2021-10-11 02:24:17,651 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36153165 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:24:17, skipping insertion in model container [2021-10-11 02:24:17,651 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:24:17" (3/3) ... [2021-10-11 02:24:17,652 INFO L111 eAbstractionObserver]: Analyzing ICFG Rump_float.c [2021-10-11 02:24:17,684 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:24:17,688 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-10-11 02:24:17,715 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-11 02:24:17,759 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:24:17,774 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:24:17,774 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:24:17,774 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:24:17,775 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:24:17,775 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:24:17,775 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:24:17,775 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:24:17,790 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2021-10-11 02:24:17,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-11 02:24:17,818 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:24:17,819 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-10-11 02:24:17,819 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:24:17,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:24:17,827 INFO L82 PathProgramCache]: Analyzing trace with hash 46290, now seen corresponding path program 1 times [2021-10-11 02:24:17,839 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:24:17,840 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32509110] [2021-10-11 02:24:17,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:24:18,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:24:18,011 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:24:18,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:24:18,061 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:24:18,093 INFO L173 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-10-11 02:24:18,094 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-10-11 02:24:18,095 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 02:24:18,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:24:18 BoogieIcfgContainer [2021-10-11 02:24:18,125 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:24:18,129 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:24:18,129 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:24:18,130 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:24:18,130 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:24:17" (3/4) ... [2021-10-11 02:24:18,134 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-11 02:24:18,134 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:24:18,140 INFO L168 Benchmark]: Toolchain (without parser) took 1516.71 ms. Allocated memory is still 123.7 MB. Free memory was 92.4 MB in the beginning and 72.2 MB in the end (delta: 20.1 MB). Peak memory consumption was 17.8 MB. Max. memory is 16.1 GB. [2021-10-11 02:24:18,140 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 79.7 MB. Free memory is still 37.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:24:18,144 INFO L168 Benchmark]: CACSL2BoogieTranslator took 434.56 ms. Allocated memory is still 123.7 MB. Free memory was 92.0 MB in the beginning and 99.5 MB in the end (delta: -7.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:24:18,146 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.72 ms. Allocated memory is still 123.7 MB. Free memory was 99.5 MB in the beginning and 97.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:24:18,148 INFO L168 Benchmark]: Boogie Preprocessor took 43.26 ms. Allocated memory is still 123.7 MB. Free memory was 97.9 MB in the beginning and 96.9 MB in the end (delta: 942.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:24:18,149 INFO L168 Benchmark]: RCFGBuilder took 473.15 ms. Allocated memory is still 123.7 MB. Free memory was 96.9 MB in the beginning and 84.8 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:24:18,151 INFO L168 Benchmark]: TraceAbstraction took 495.92 ms. Allocated memory is still 123.7 MB. Free memory was 84.4 MB in the beginning and 72.7 MB in the end (delta: 11.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:24:18,152 INFO L168 Benchmark]: Witness Printer took 6.21 ms. Allocated memory is still 123.7 MB. Free memory was 72.7 MB in the beginning and 72.2 MB in the end (delta: 471.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:24:18,165 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 79.7 MB. Free memory is still 37.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 434.56 ms. Allocated memory is still 123.7 MB. Free memory was 92.0 MB in the beginning and 99.5 MB in the end (delta: -7.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 44.72 ms. Allocated memory is still 123.7 MB. Free memory was 99.5 MB in the beginning and 97.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 43.26 ms. Allocated memory is still 123.7 MB. Free memory was 97.9 MB in the beginning and 96.9 MB in the end (delta: 942.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 473.15 ms. Allocated memory is still 123.7 MB. Free memory was 96.9 MB in the beginning and 84.8 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 495.92 ms. Allocated memory is still 123.7 MB. Free memory was 84.4 MB in the beginning and 72.7 MB in the end (delta: 11.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Witness Printer took 6.21 ms. Allocated memory is still 123.7 MB. Free memory was 72.7 MB in the beginning and 72.2 MB in the end (delta: 471.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 6]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 15, overapproximation of someBinaryArithmeticFLOAToperation at line 13. Possible FailurePath: [L10] float x,y,r; [L11] x = 77617.f [L12] y = 33096.f [L13] r = 333.75f * y*y*y*y*y*y + x*x * (11.0f * x*x*y*y - y*y*y*y*y*y - 121.0f * y*y*y*y - 2.0f) + 5.5f * y*y*y*y*y*y*y*y + x / (2.f * y) [L6] COND TRUE !(cond) [L6] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6occurred 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:24:21,035 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:24:21,047 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:24:21,081 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:24:21,082 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:24:21,084 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:24:21,086 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:24:21,089 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:24:21,092 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:24:21,094 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:24:21,095 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:24:21,097 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:24:21,098 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:24:21,100 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:24:21,101 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:24:21,103 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:24:21,105 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:24:21,106 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:24:21,109 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:24:21,112 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:24:21,120 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:24:21,122 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:24:21,124 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:24:21,126 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:24:21,130 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:24:21,131 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:24:21,131 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:24:21,133 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:24:21,133 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:24:21,141 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:24:21,141 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:24:21,143 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:24:21,145 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:24:21,146 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:24:21,148 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:24:21,148 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:24:21,149 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:24:21,150 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:24:21,150 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:24:21,153 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:24:21,154 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:24:21,155 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f630ea18-d7b7-4d72-9724-84812799f49a/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:24:21,204 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:24:21,208 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:24:21,209 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:24:21,210 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:24:21,210 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:24:21,211 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:24:21,211 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:24:21,211 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:24:21,211 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:24:21,212 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:24:21,214 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:24:21,215 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:24:21,215 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:24:21,216 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:24:21,216 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:24:21,216 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:24:21,216 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:24:21,217 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:24:21,217 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:24:21,217 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:24:21,217 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:24:21,218 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:24:21,218 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:24:21,218 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:24:21,219 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:24:21,219 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:24:21,219 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:24:21,220 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:24:21,220 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:24:21,220 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:24:21,220 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:24:21,221 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:24:21,221 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:24:21,221 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:24:21,222 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:24:21,222 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_f630ea18-d7b7-4d72-9724-84812799f49a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f630ea18-d7b7-4d72-9724-84812799f49a/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14bbb74942280ceabf9fcd57c23c432d4c6462f0 [2021-10-11 02:24:21,685 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:24:21,712 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:24:21,716 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:24:21,717 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:24:21,718 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:24:21,720 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f630ea18-d7b7-4d72-9724-84812799f49a/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/float-benchs/Rump_float.c [2021-10-11 02:24:21,807 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f630ea18-d7b7-4d72-9724-84812799f49a/bin/utaipan-WLngWcDbfI/data/18849476f/7da151e15d8a4d3fb9d833b725a72a0c/FLAGbf203a9e7 [2021-10-11 02:24:22,390 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:24:22,391 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f630ea18-d7b7-4d72-9724-84812799f49a/sv-benchmarks/c/float-benchs/Rump_float.c [2021-10-11 02:24:22,399 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f630ea18-d7b7-4d72-9724-84812799f49a/bin/utaipan-WLngWcDbfI/data/18849476f/7da151e15d8a4d3fb9d833b725a72a0c/FLAGbf203a9e7 [2021-10-11 02:24:22,758 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f630ea18-d7b7-4d72-9724-84812799f49a/bin/utaipan-WLngWcDbfI/data/18849476f/7da151e15d8a4d3fb9d833b725a72a0c [2021-10-11 02:24:22,763 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:24:22,766 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:24:22,769 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:24:22,769 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:24:22,774 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:24:22,775 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:24:22" (1/1) ... [2021-10-11 02:24:22,778 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a3cccf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:22, skipping insertion in model container [2021-10-11 02:24:22,778 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:24:22" (1/1) ... [2021-10-11 02:24:22,787 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:24:22,804 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:24:22,981 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_f630ea18-d7b7-4d72-9724-84812799f49a/sv-benchmarks/c/float-benchs/Rump_float.c[338,351] [2021-10-11 02:24:22,998 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:24:23,014 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:24:23,047 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_f630ea18-d7b7-4d72-9724-84812799f49a/sv-benchmarks/c/float-benchs/Rump_float.c[338,351] [2021-10-11 02:24:23,074 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:24:23,098 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:24:23,099 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:23 WrapperNode [2021-10-11 02:24:23,099 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:24:23,101 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:24:23,101 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:24:23,101 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:24:23,110 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:23" (1/1) ... [2021-10-11 02:24:23,134 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:23" (1/1) ... [2021-10-11 02:24:23,181 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:24:23,182 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:24:23,182 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:24:23,183 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:24:23,194 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:23" (1/1) ... [2021-10-11 02:24:23,203 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:23" (1/1) ... [2021-10-11 02:24:23,206 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:23" (1/1) ... [2021-10-11 02:24:23,210 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:23" (1/1) ... [2021-10-11 02:24:23,237 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:23" (1/1) ... [2021-10-11 02:24:23,239 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:23" (1/1) ... [2021-10-11 02:24:23,241 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:23" (1/1) ... [2021-10-11 02:24:23,244 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:24:23,245 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:24:23,246 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:24:23,246 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:24:23,247 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:23" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f630ea18-d7b7-4d72-9724-84812799f49a/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 02:24:23,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:24:23,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:24:23,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:24:23,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:24:26,015 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:24:26,015 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-11 02:24:26,017 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:24:26 BoogieIcfgContainer [2021-10-11 02:24:26,017 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:24:26,019 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:24:26,020 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:24:26,023 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:24:26,024 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:24:22" (1/3) ... [2021-10-11 02:24:26,025 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a6fc5ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:24:26, skipping insertion in model container [2021-10-11 02:24:26,025 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:23" (2/3) ... [2021-10-11 02:24:26,026 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a6fc5ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:24:26, skipping insertion in model container [2021-10-11 02:24:26,026 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:24:26" (3/3) ... [2021-10-11 02:24:26,028 INFO L111 eAbstractionObserver]: Analyzing ICFG Rump_float.c [2021-10-11 02:24:26,046 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:24:26,050 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-10-11 02:24:26,064 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-11 02:24:26,093 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:24:26,093 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:24:26,094 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:24:26,094 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:24:26,094 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:24:26,094 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:24:26,094 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:24:26,094 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:24:26,109 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2021-10-11 02:24:26,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-11 02:24:26,114 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:24:26,115 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-10-11 02:24:26,115 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:24:26,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:24:26,121 INFO L82 PathProgramCache]: Analyzing trace with hash 925605, now seen corresponding path program 1 times [2021-10-11 02:24:26,136 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:24:26,136 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [456444085] [2021-10-11 02:24:26,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f630ea18-d7b7-4d72-9724-84812799f49a/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 02:24:28,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:24:28,300 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:24:28,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:24:28,562 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 02:24:28,562 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:24:28,564 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [456444085] [2021-10-11 02:24:28,564 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:24:28,565 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:24:28,566 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407695325] [2021-10-11 02:24:28,571 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:24:28,572 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:24:28,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:24:28,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:24:28,591 INFO L87 Difference]: Start difference. First operand 9 states. Second operand 4 states. [2021-10-11 02:24:31,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:24:31,684 INFO L93 Difference]: Finished difference Result 13 states and 12 transitions. [2021-10-11 02:24:31,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 02:24:31,687 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2021-10-11 02:24:31,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:24:31,694 INFO L225 Difference]: With dead ends: 13 [2021-10-11 02:24:31,695 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 02:24:31,698 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:24:31,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 02:24:31,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 02:24:31,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 02:24:31,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 02:24:31,727 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2021-10-11 02:24:31,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:24:31,728 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 02:24:31,728 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:24:31,728 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 02:24:31,729 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 02:24:31,941 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:24:31,943 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 02:24:32,032 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 02:24:32,032 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 02:24:32,032 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 02:24:32,033 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 02:24:32,033 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2021-10-11 02:24:32,033 INFO L258 CegarLoopResult]: At program point L16(lines 8 17) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2021-10-11 02:24:32,033 INFO L262 CegarLoopResult]: For program point L6(line 6) no Hoare annotation was computed. [2021-10-11 02:24:32,033 INFO L262 CegarLoopResult]: For program point L6-1(line 6) no Hoare annotation was computed. [2021-10-11 02:24:32,034 INFO L258 CegarLoopResult]: At program point L6-3(line 6) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2021-10-11 02:24:32,049 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:24:32 BoogieIcfgContainer [2021-10-11 02:24:32,049 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:24:32,050 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:24:32,050 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:24:32,051 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:24:32,051 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:24:26" (3/4) ... [2021-10-11 02:24:32,055 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 02:24:32,067 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-11 02:24:32,067 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-11 02:24:32,067 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 02:24:32,067 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:24:32,108 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f630ea18-d7b7-4d72-9724-84812799f49a/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:24:32,108 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:24:32,110 INFO L168 Benchmark]: Toolchain (without parser) took 9342.78 ms. Allocated memory was 58.7 MB in the beginning and 79.7 MB in the end (delta: 21.0 MB). Free memory was 37.0 MB in the beginning and 44.9 MB in the end (delta: -7.9 MB). Peak memory consumption was 13.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:24:32,111 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 58.7 MB. Free memory was 40.2 MB in the beginning and 40.1 MB in the end (delta: 42.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:24:32,112 INFO L168 Benchmark]: CACSL2BoogieTranslator took 330.51 ms. Allocated memory is still 58.7 MB. Free memory was 36.8 MB in the beginning and 41.6 MB in the end (delta: -4.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:24:32,113 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.58 ms. Allocated memory was 58.7 MB in the beginning and 79.7 MB in the end (delta: 21.0 MB). Free memory was 41.6 MB in the beginning and 63.5 MB in the end (delta: -21.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:24:32,114 INFO L168 Benchmark]: Boogie Preprocessor took 62.19 ms. Allocated memory is still 79.7 MB. Free memory was 63.5 MB in the beginning and 62.3 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:24:32,115 INFO L168 Benchmark]: RCFGBuilder took 2772.00 ms. Allocated memory is still 79.7 MB. Free memory was 62.3 MB in the beginning and 51.1 MB in the end (delta: 11.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:24:32,116 INFO L168 Benchmark]: TraceAbstraction took 6029.83 ms. Allocated memory is still 79.7 MB. Free memory was 50.8 MB in the beginning and 47.0 MB in the end (delta: 3.8 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:24:32,116 INFO L168 Benchmark]: Witness Printer took 58.11 ms. Allocated memory is still 79.7 MB. Free memory was 47.0 MB in the beginning and 44.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:24:32,121 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 58.7 MB. Free memory was 40.2 MB in the beginning and 40.1 MB in the end (delta: 42.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 330.51 ms. Allocated memory is still 58.7 MB. Free memory was 36.8 MB in the beginning and 41.6 MB in the end (delta: -4.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 80.58 ms. Allocated memory was 58.7 MB in the beginning and 79.7 MB in the end (delta: 21.0 MB). Free memory was 41.6 MB in the beginning and 63.5 MB in the end (delta: -21.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 62.19 ms. Allocated memory is still 79.7 MB. Free memory was 63.5 MB in the beginning and 62.3 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 2772.00 ms. Allocated memory is still 79.7 MB. Free memory was 62.3 MB in the beginning and 51.1 MB in the end (delta: 11.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 6029.83 ms. Allocated memory is still 79.7 MB. Free memory was 50.8 MB in the beginning and 47.0 MB in the end (delta: 3.8 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. * Witness Printer took 58.11 ms. Allocated memory is still 79.7 MB. Free memory was 47.0 MB in the beginning and 44.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 6]: 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: 8]: Loop Invariant Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 - InvariantResult [Line: 6]: Loop Invariant Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.8s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 3.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4 SDtfs, 4 SDslu, 4 SDs, 0 SdLazy, 2 SolverSat, 0 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 2.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred 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: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 4 NumberOfFragments, 10 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 27 SizeOfPredicates, 5 NumberOfNonLiveVariables, 29 ConjunctsInSsa, 7 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 proved your program to be correct! Received shutdown request...