./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0970b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a284d1b5-dc74-48bd-94f3-c50c46375ddf/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a284d1b5-dc74-48bd-94f3-c50c46375ddf/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a284d1b5-dc74-48bd-94f3-c50c46375ddf/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a284d1b5-dc74-48bd-94f3-c50c46375ddf/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0970b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a284d1b5-dc74-48bd-94f3-c50c46375ddf/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a284d1b5-dc74-48bd-94f3-c50c46375ddf/bin/utaipan-q2qaUkNPG8 --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 0d5af4b08e6c7b0ba6fa6025700a9951ecfab143 ............................................................................................................................................................................................................................................................................................................................... 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_a284d1b5-dc74-48bd-94f3-c50c46375ddf/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a284d1b5-dc74-48bd-94f3-c50c46375ddf/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a284d1b5-dc74-48bd-94f3-c50c46375ddf/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a284d1b5-dc74-48bd-94f3-c50c46375ddf/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0970b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a284d1b5-dc74-48bd-94f3-c50c46375ddf/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a284d1b5-dc74-48bd-94f3-c50c46375ddf/bin/utaipan-q2qaUkNPG8 --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 0d5af4b08e6c7b0ba6fa6025700a9951ecfab143 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 07:02:18,089 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:02:18,091 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:02:18,121 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:02:18,122 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:02:18,123 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:02:18,125 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:02:18,127 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:02:18,129 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:02:18,130 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:02:18,132 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:02:18,133 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:02:18,133 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:02:18,135 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:02:18,136 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:02:18,138 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:02:18,139 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:02:18,140 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:02:18,142 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:02:18,144 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:02:18,146 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:02:18,148 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:02:18,150 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:02:18,151 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:02:18,154 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:02:18,155 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:02:18,155 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:02:18,156 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:02:18,157 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:02:18,158 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:02:18,159 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:02:18,159 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:02:18,160 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:02:18,161 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:02:18,163 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:02:18,163 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:02:18,164 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:02:18,164 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:02:18,165 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:02:18,166 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:02:18,167 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:02:18,168 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a284d1b5-dc74-48bd-94f3-c50c46375ddf/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-13 07:02:18,192 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:02:18,195 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:02:18,196 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:02:18,198 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:02:18,199 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:02:18,199 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:02:18,199 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 07:02:18,200 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:02:18,203 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:02:18,203 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 07:02:18,203 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 07:02:18,204 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:02:18,204 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 07:02:18,204 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 07:02:18,204 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 07:02:18,205 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:02:18,205 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:02:18,206 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 07:02:18,206 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:02:18,207 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:02:18,207 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 07:02:18,207 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:02:18,208 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 07:02:18,208 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:02:18,208 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:02:18,208 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 07:02:18,208 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:02:18,209 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 07:02:18,209 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:02:18,210 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:02:18,211 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:02:18,211 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:02:18,211 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:02:18,212 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 07:02:18,212 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 07:02:18,212 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 07:02:18,212 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 07:02:18,212 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:02:18,213 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:02:18,213 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_a284d1b5-dc74-48bd-94f3-c50c46375ddf/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a284d1b5-dc74-48bd-94f3-c50c46375ddf/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0d5af4b08e6c7b0ba6fa6025700a9951ecfab143 [2021-10-13 07:02:18,501 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:02:18,525 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:02:18,528 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:02:18,529 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:02:18,530 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:02:18,530 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a284d1b5-dc74-48bd-94f3-c50c46375ddf/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/float-newlib/double_req_bl_0970b.c [2021-10-13 07:02:18,621 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a284d1b5-dc74-48bd-94f3-c50c46375ddf/bin/utaipan-q2qaUkNPG8/data/9c09ca640/27a78473b7e44cee9f6ec818e364ec78/FLAG3730d475e [2021-10-13 07:02:19,188 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:02:19,188 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a284d1b5-dc74-48bd-94f3-c50c46375ddf/sv-benchmarks/c/float-newlib/double_req_bl_0970b.c [2021-10-13 07:02:19,196 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a284d1b5-dc74-48bd-94f3-c50c46375ddf/bin/utaipan-q2qaUkNPG8/data/9c09ca640/27a78473b7e44cee9f6ec818e364ec78/FLAG3730d475e [2021-10-13 07:02:19,526 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a284d1b5-dc74-48bd-94f3-c50c46375ddf/bin/utaipan-q2qaUkNPG8/data/9c09ca640/27a78473b7e44cee9f6ec818e364ec78 [2021-10-13 07:02:19,529 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:02:19,531 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:02:19,537 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:02:19,537 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:02:19,540 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:02:19,541 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:02:19" (1/1) ... [2021-10-13 07:02:19,544 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a0cd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:02:19, skipping insertion in model container [2021-10-13 07:02:19,544 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:02:19" (1/1) ... [2021-10-13 07:02:19,557 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:02:19,578 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:02:19,808 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a284d1b5-dc74-48bd-94f3-c50c46375ddf/sv-benchmarks/c/float-newlib/double_req_bl_0970b.c[4615,4628] [2021-10-13 07:02:19,811 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:02:19,824 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 07:02:19,886 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a284d1b5-dc74-48bd-94f3-c50c46375ddf/sv-benchmarks/c/float-newlib/double_req_bl_0970b.c[4615,4628] [2021-10-13 07:02:19,899 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:02:19,919 INFO L208 MainTranslator]: Completed translation [2021-10-13 07:02:19,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:02:19 WrapperNode [2021-10-13 07:02:19,919 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:02:19,922 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 07:02:19,922 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 07:02:19,922 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 07:02:19,929 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:02:19" (1/1) ... [2021-10-13 07:02:19,951 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:02:19" (1/1) ... [2021-10-13 07:02:19,994 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 07:02:19,996 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 07:02:19,997 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 07:02:19,998 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 07:02:20,006 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:02:19" (1/1) ... [2021-10-13 07:02:20,007 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:02:19" (1/1) ... [2021-10-13 07:02:20,023 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:02:19" (1/1) ... [2021-10-13 07:02:20,032 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:02:19" (1/1) ... [2021-10-13 07:02:20,042 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:02:19" (1/1) ... [2021-10-13 07:02:20,060 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:02:19" (1/1) ... [2021-10-13 07:02:20,062 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:02:19" (1/1) ... [2021-10-13 07:02:20,065 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 07:02:20,078 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 07:02:20,078 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 07:02:20,078 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 07:02:20,079 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:02:19" (1/1) ... [2021-10-13 07:02:20,086 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:02:20,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a284d1b5-dc74-48bd-94f3-c50c46375ddf/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 07:02:20,113 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a284d1b5-dc74-48bd-94f3-c50c46375ddf/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 07:02:20,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a284d1b5-dc74-48bd-94f3-c50c46375ddf/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 07:02:20,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 07:02:20,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 07:02:20,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-10-13 07:02:20,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-13 07:02:20,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-10-13 07:02:20,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 07:02:20,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 07:02:20,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-13 07:02:20,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 07:02:20,751 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 07:02:20,752 INFO L299 CfgBuilder]: Removed 22 assume(true) statements. [2021-10-13 07:02:20,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:02:20 BoogieIcfgContainer [2021-10-13 07:02:20,763 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 07:02:20,765 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 07:02:20,765 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 07:02:20,770 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 07:02:20,770 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:02:19" (1/3) ... [2021-10-13 07:02:20,771 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30b0a377 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:02:20, skipping insertion in model container [2021-10-13 07:02:20,771 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:02:19" (2/3) ... [2021-10-13 07:02:20,772 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30b0a377 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:02:20, skipping insertion in model container [2021-10-13 07:02:20,772 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:02:20" (3/3) ... [2021-10-13 07:02:20,773 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0970b.c [2021-10-13 07:02:20,779 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 07:02:20,779 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-13 07:02:20,828 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 07:02:20,835 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-13 07:02:20,835 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-13 07:02:20,851 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 30 states have (on average 1.7333333333333334) internal successors, (52), 31 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:02:20,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-13 07:02:20,883 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:02:20,884 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:02:20,884 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:02:20,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:02:20,890 INFO L82 PathProgramCache]: Analyzing trace with hash -1849474468, now seen corresponding path program 1 times [2021-10-13 07:02:20,900 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 07:02:20,902 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067887362] [2021-10-13 07:02:20,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:02:20,904 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 07:02:21,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:02:21,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:02:21,114 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 07:02:21,115 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067887362] [2021-10-13 07:02:21,115 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067887362] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 07:02:21,116 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:02:21,116 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 07:02:21,118 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055827993] [2021-10-13 07:02:21,123 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-13 07:02:21,124 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 07:02:21,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-13 07:02:21,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 07:02:21,146 INFO L87 Difference]: Start difference. First operand has 32 states, 30 states have (on average 1.7333333333333334) internal successors, (52), 31 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:02:21,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:02:21,169 INFO L93 Difference]: Finished difference Result 63 states and 103 transitions. [2021-10-13 07:02:21,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 07:02:21,171 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-10-13 07:02:21,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:02:21,182 INFO L225 Difference]: With dead ends: 63 [2021-10-13 07:02:21,183 INFO L226 Difference]: Without dead ends: 30 [2021-10-13 07:02:21,187 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 07:02:21,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2021-10-13 07:02:21,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2021-10-13 07:02:21,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 29 states have (on average 1.2758620689655173) internal successors, (37), 29 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:02:21,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2021-10-13 07:02:21,229 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 8 [2021-10-13 07:02:21,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:02:21,230 INFO L470 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2021-10-13 07:02:21,230 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:02:21,230 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2021-10-13 07:02:21,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-13 07:02:21,231 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:02:21,232 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:02:21,232 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-13 07:02:21,232 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:02:21,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:02:21,236 INFO L82 PathProgramCache]: Analyzing trace with hash -1049603861, now seen corresponding path program 1 times [2021-10-13 07:02:21,236 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 07:02:21,236 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452240422] [2021-10-13 07:02:21,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:02:21,238 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 07:02:21,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 07:02:21,314 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 07:02:21,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 07:02:21,370 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-10-13 07:02:21,371 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-13 07:02:21,373 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:02:21,376 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-13 07:02:21,383 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 07:02:21,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 07:02:21 BoogieIcfgContainer [2021-10-13 07:02:21,439 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 07:02:21,440 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 07:02:21,441 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 07:02:21,441 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 07:02:21,442 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:02:20" (3/4) ... [2021-10-13 07:02:21,445 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-13 07:02:21,445 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 07:02:21,448 INFO L168 Benchmark]: Toolchain (without parser) took 1915.47 ms. Allocated memory is still 138.4 MB. Free memory was 97.9 MB in the beginning and 57.1 MB in the end (delta: 40.9 MB). Peak memory consumption was 37.1 MB. Max. memory is 16.1 GB. [2021-10-13 07:02:21,449 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 138.4 MB. Free memory was 115.1 MB in the beginning and 115.0 MB in the end (delta: 59.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:02:21,451 INFO L168 Benchmark]: CACSL2BoogieTranslator took 383.25 ms. Allocated memory is still 138.4 MB. Free memory was 97.7 MB in the beginning and 108.6 MB in the end (delta: -10.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 07:02:21,453 INFO L168 Benchmark]: Boogie Procedure Inliner took 73.90 ms. Allocated memory is still 138.4 MB. Free memory was 108.6 MB in the beginning and 106.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 07:02:21,459 INFO L168 Benchmark]: Boogie Preprocessor took 81.10 ms. Allocated memory is still 138.4 MB. Free memory was 106.5 MB in the beginning and 104.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 07:02:21,460 INFO L168 Benchmark]: RCFGBuilder took 685.61 ms. Allocated memory is still 138.4 MB. Free memory was 104.8 MB in the beginning and 83.8 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2021-10-13 07:02:21,460 INFO L168 Benchmark]: TraceAbstraction took 674.14 ms. Allocated memory is still 138.4 MB. Free memory was 83.4 MB in the beginning and 57.4 MB in the end (delta: 26.0 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2021-10-13 07:02:21,461 INFO L168 Benchmark]: Witness Printer took 5.53 ms. Allocated memory is still 138.4 MB. Free memory was 57.4 MB in the beginning and 57.1 MB in the end (delta: 394.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:02:21,469 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 138.4 MB. Free memory was 115.1 MB in the beginning and 115.0 MB in the end (delta: 59.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 383.25 ms. Allocated memory is still 138.4 MB. Free memory was 97.7 MB in the beginning and 108.6 MB in the end (delta: -10.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 73.90 ms. Allocated memory is still 138.4 MB. Free memory was 108.6 MB in the beginning and 106.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 81.10 ms. Allocated memory is still 138.4 MB. Free memory was 106.5 MB in the beginning and 104.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 685.61 ms. Allocated memory is still 138.4 MB. Free memory was 104.8 MB in the beginning and 83.8 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 674.14 ms. Allocated memory is still 138.4 MB. Free memory was 83.4 MB in the beginning and 57.4 MB in the end (delta: 26.0 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * Witness Printer took 5.53 ms. Allocated memory is still 138.4 MB. Free memory was 57.4 MB in the beginning and 57.1 MB in the end (delta: 394.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 177]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 163, overapproximation of bitwiseOr at line 134, overapproximation of someBinaryArithmeticDOUBLEoperation at line 135. Possible FailurePath: [L19-L28] static const double ln2_hi_log = 6.93147180369123816490e-01, ln2_lo_log = 1.90821492927058770002e-10, two54_log = 1.80143985094819840000e+16, Lg1_log = 6.666666666666735130e-01, Lg2_log = 3.999999999940941908e-01, Lg3_log = 2.857142874366239149e-01, Lg4_log = 2.222219843214978396e-01, Lg5_log = 1.818357216161805012e-01, Lg6_log = 1.531383769920937332e-01, Lg7_log = 1.479819860511658591e-01; [L30] static const double zero = 0.0; [L113-L116] static const double two54_log10 = 1.80143985094819840000e+16, ivln10_log10 = 4.34294481903251816668e-01, log10_2hi_log10 = 3.01029995663611771306e-01, log10_2lo_log10 = 3.69423907715893078616e-13; [L118] static const double zero_log10 = 0.0; [L172] double x = -1.0 / 0.0; [L121] double y, z; [L122] __int32_t i, k, hx; [L123] __uint32_t lx; VAL [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L126] ieee_double_shape_type ew_u; [L127] ew_u.value = (x) [L128] EXPR ew_u.parts.msw [L128] (hx) = ew_u.parts.msw [L129] EXPR ew_u.parts.lsw [L129] (lx) = ew_u.parts.lsw [L132] k = 0 VAL [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L133] COND TRUE hx < 0x00100000 VAL [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L134] COND TRUE ((hx & 0x7fffffff) | lx) == 0 [L135] return -two54_log10 / zero_log10; VAL [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L173] double res = __ieee754_log10(x); [L163] return x != x; [L176] COND TRUE !isnan_double(res) [L177] reach_error() VAL [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 32 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 555.1ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 37.5ms, AutomataDifference: 62.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 10.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 39 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=32occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 24.6ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 18.0ms SsaConstructionTime, 107.9ms SatisfiabilityAnalysisTime, 77.0ms InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 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 [2021-10-13 07:02:21,543 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a284d1b5-dc74-48bd-94f3-c50c46375ddf/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 07:02:24,076 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:02:24,079 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:02:24,111 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:02:24,112 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:02:24,113 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:02:24,115 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:02:24,117 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:02:24,120 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:02:24,122 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:02:24,123 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:02:24,126 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:02:24,127 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:02:24,136 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:02:24,139 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:02:24,142 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:02:24,144 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:02:24,146 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:02:24,153 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:02:24,158 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:02:24,163 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:02:24,165 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:02:24,167 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:02:24,170 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:02:24,177 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:02:24,182 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:02:24,182 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:02:24,184 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:02:24,185 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:02:24,186 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:02:24,187 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:02:24,188 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:02:24,190 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:02:24,191 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:02:24,193 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:02:24,193 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:02:24,194 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:02:24,194 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:02:24,195 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:02:24,197 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:02:24,197 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:02:24,198 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a284d1b5-dc74-48bd-94f3-c50c46375ddf/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-13 07:02:24,243 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:02:24,244 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:02:24,245 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:02:24,245 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:02:24,246 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:02:24,246 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:02:24,246 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:02:24,246 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:02:24,247 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:02:24,248 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:02:24,250 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:02:24,250 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:02:24,250 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:02:24,250 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 07:02:24,251 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:02:24,251 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 07:02:24,251 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:02:24,252 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 07:02:24,253 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 07:02:24,254 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:02:24,254 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 07:02:24,260 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:02:24,260 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 07:02:24,260 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:02:24,261 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 07:02:24,261 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:02:24,261 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:02:24,262 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:02:24,262 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:02:24,262 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 07:02:24,262 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-13 07:02:24,263 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 07:02:24,263 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 07:02:24,263 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:02:24,264 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:02:24,264 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_a284d1b5-dc74-48bd-94f3-c50c46375ddf/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a284d1b5-dc74-48bd-94f3-c50c46375ddf/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0d5af4b08e6c7b0ba6fa6025700a9951ecfab143 [2021-10-13 07:02:24,652 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:02:24,681 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:02:24,685 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:02:24,687 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:02:24,688 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:02:24,689 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a284d1b5-dc74-48bd-94f3-c50c46375ddf/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/float-newlib/double_req_bl_0970b.c [2021-10-13 07:02:24,757 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a284d1b5-dc74-48bd-94f3-c50c46375ddf/bin/utaipan-q2qaUkNPG8/data/8d86158f4/4ec1008cd8f74aa585a4d26c41e4db08/FLAGb183346b1 [2021-10-13 07:02:25,383 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:02:25,383 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a284d1b5-dc74-48bd-94f3-c50c46375ddf/sv-benchmarks/c/float-newlib/double_req_bl_0970b.c [2021-10-13 07:02:25,395 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a284d1b5-dc74-48bd-94f3-c50c46375ddf/bin/utaipan-q2qaUkNPG8/data/8d86158f4/4ec1008cd8f74aa585a4d26c41e4db08/FLAGb183346b1 [2021-10-13 07:02:25,714 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a284d1b5-dc74-48bd-94f3-c50c46375ddf/bin/utaipan-q2qaUkNPG8/data/8d86158f4/4ec1008cd8f74aa585a4d26c41e4db08 [2021-10-13 07:02:25,717 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:02:25,719 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:02:25,727 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:02:25,727 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:02:25,737 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:02:25,738 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:02:25" (1/1) ... [2021-10-13 07:02:25,739 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1aaca34f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:02:25, skipping insertion in model container [2021-10-13 07:02:25,742 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:02:25" (1/1) ... [2021-10-13 07:02:25,750 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:02:25,792 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:02:25,992 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a284d1b5-dc74-48bd-94f3-c50c46375ddf/sv-benchmarks/c/float-newlib/double_req_bl_0970b.c[4615,4628] [2021-10-13 07:02:25,995 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:02:26,008 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 07:02:26,056 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a284d1b5-dc74-48bd-94f3-c50c46375ddf/sv-benchmarks/c/float-newlib/double_req_bl_0970b.c[4615,4628] [2021-10-13 07:02:26,057 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:02:26,090 INFO L208 MainTranslator]: Completed translation [2021-10-13 07:02:26,090 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:02:26 WrapperNode [2021-10-13 07:02:26,090 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:02:26,092 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 07:02:26,092 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 07:02:26,092 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 07:02:26,100 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:02:26" (1/1) ... [2021-10-13 07:02:26,114 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:02:26" (1/1) ... [2021-10-13 07:02:26,170 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 07:02:26,171 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 07:02:26,171 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 07:02:26,171 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 07:02:26,179 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:02:26" (1/1) ... [2021-10-13 07:02:26,180 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:02:26" (1/1) ... [2021-10-13 07:02:26,185 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:02:26" (1/1) ... [2021-10-13 07:02:26,186 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:02:26" (1/1) ... [2021-10-13 07:02:26,200 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:02:26" (1/1) ... [2021-10-13 07:02:26,214 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:02:26" (1/1) ... [2021-10-13 07:02:26,221 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:02:26" (1/1) ... [2021-10-13 07:02:26,226 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 07:02:26,227 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 07:02:26,228 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 07:02:26,228 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 07:02:26,229 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:02:26" (1/1) ... [2021-10-13 07:02:26,235 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:02:26,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a284d1b5-dc74-48bd-94f3-c50c46375ddf/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 07:02:26,258 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a284d1b5-dc74-48bd-94f3-c50c46375ddf/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 07:02:26,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a284d1b5-dc74-48bd-94f3-c50c46375ddf/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 07:02:26,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-10-13 07:02:26,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-10-13 07:02:26,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-13 07:02:26,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 07:02:26,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-13 07:02:26,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 07:02:26,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 07:02:26,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-13 07:02:26,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 07:02:55,376 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 07:02:55,376 INFO L299 CfgBuilder]: Removed 22 assume(true) statements. [2021-10-13 07:02:55,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:02:55 BoogieIcfgContainer [2021-10-13 07:02:55,378 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 07:02:55,380 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 07:02:55,380 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 07:02:55,392 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 07:02:55,393 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:02:25" (1/3) ... [2021-10-13 07:02:55,394 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e22b313 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:02:55, skipping insertion in model container [2021-10-13 07:02:55,394 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:02:26" (2/3) ... [2021-10-13 07:02:55,394 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e22b313 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:02:55, skipping insertion in model container [2021-10-13 07:02:55,394 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:02:55" (3/3) ... [2021-10-13 07:02:55,396 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0970b.c [2021-10-13 07:02:55,403 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 07:02:55,404 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-13 07:02:55,449 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 07:02:55,454 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-13 07:02:55,459 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-13 07:02:55,471 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 40 states have (on average 1.725) internal successors, (69), 41 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:02:55,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-13 07:02:55,476 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:02:55,477 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:02:55,477 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:02:55,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:02:55,483 INFO L82 PathProgramCache]: Analyzing trace with hash 1032073611, now seen corresponding path program 1 times [2021-10-13 07:02:55,494 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:02:55,495 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1694944455] [2021-10-13 07:02:55,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:02:55,496 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:02:55,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a284d1b5-dc74-48bd-94f3-c50c46375ddf/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:02:55,499 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a284d1b5-dc74-48bd-94f3-c50c46375ddf/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:02:55,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a284d1b5-dc74-48bd-94f3-c50c46375ddf/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-13 07:02:56,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:02:56,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-13 07:02:56,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:02:56,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:02:56,788 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:02:56,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:02:56,942 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:02:56,942 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1694944455] [2021-10-13 07:02:56,942 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1694944455] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:02:56,943 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:02:56,943 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-13 07:02:56,944 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759522402] [2021-10-13 07:02:56,949 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-13 07:02:56,949 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:02:56,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-13 07:02:56,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 07:02:56,966 INFO L87 Difference]: Start difference. First operand has 42 states, 40 states have (on average 1.725) internal successors, (69), 41 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:02:56,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:02:56,991 INFO L93 Difference]: Finished difference Result 82 states and 136 transitions. [2021-10-13 07:02:56,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 07:02:56,992 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-10-13 07:02:56,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:02:56,998 INFO L225 Difference]: With dead ends: 82 [2021-10-13 07:02:56,998 INFO L226 Difference]: Without dead ends: 39 [2021-10-13 07:02:57,000 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 07:02:57,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2021-10-13 07:02:57,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2021-10-13 07:02:57,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 38 states have (on average 1.394736842105263) internal successors, (53), 38 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:02:57,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 53 transitions. [2021-10-13 07:02:57,041 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 53 transitions. Word has length 10 [2021-10-13 07:02:57,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:02:57,042 INFO L470 AbstractCegarLoop]: Abstraction has 39 states and 53 transitions. [2021-10-13 07:02:57,042 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:02:57,042 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 53 transitions. [2021-10-13 07:02:57,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-13 07:02:57,045 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:02:57,045 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:02:57,076 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a284d1b5-dc74-48bd-94f3-c50c46375ddf/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-13 07:02:57,267 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a284d1b5-dc74-48bd-94f3-c50c46375ddf/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:02:57,267 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:02:57,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:02:57,268 INFO L82 PathProgramCache]: Analyzing trace with hash -1303233586, now seen corresponding path program 1 times [2021-10-13 07:02:57,269 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:02:57,269 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1022841423] [2021-10-13 07:02:57,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:02:57,270 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:02:57,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a284d1b5-dc74-48bd-94f3-c50c46375ddf/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:02:57,276 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a284d1b5-dc74-48bd-94f3-c50c46375ddf/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:02:57,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a284d1b5-dc74-48bd-94f3-c50c46375ddf/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-13 07:02:58,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:02:58,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-13 07:02:58,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:02:59,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:02:59,151 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:03:00,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:03:00,005 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:03:00,006 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1022841423] [2021-10-13 07:03:00,006 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1022841423] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:03:00,006 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:03:00,006 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-10-13 07:03:00,007 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061943322] [2021-10-13 07:03:00,008 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 07:03:00,008 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:03:00,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 07:03:00,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-13 07:03:00,010 INFO L87 Difference]: Start difference. First operand 39 states and 53 transitions. Second operand has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:03:03,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:03:03,116 INFO L93 Difference]: Finished difference Result 44 states and 57 transitions. [2021-10-13 07:03:03,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 07:03:03,140 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-10-13 07:03:03,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:03:03,140 INFO L225 Difference]: With dead ends: 44 [2021-10-13 07:03:03,140 INFO L226 Difference]: Without dead ends: 13 [2021-10-13 07:03:03,141 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 797.3ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-13 07:03:03,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2021-10-13 07:03:03,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2021-10-13 07:03:03,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 12 states have (on average 1.0) internal successors, (12), 12 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:03:03,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 12 transitions. [2021-10-13 07:03:03,144 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 12 transitions. Word has length 11 [2021-10-13 07:03:03,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:03:03,144 INFO L470 AbstractCegarLoop]: Abstraction has 13 states and 12 transitions. [2021-10-13 07:03:03,144 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:03:03,144 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 12 transitions. [2021-10-13 07:03:03,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-13 07:03:03,145 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:03:03,145 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:03:03,168 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a284d1b5-dc74-48bd-94f3-c50c46375ddf/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-13 07:03:03,346 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a284d1b5-dc74-48bd-94f3-c50c46375ddf/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:03:03,346 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:03:03,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:03:03,347 INFO L82 PathProgramCache]: Analyzing trace with hash -1811167824, now seen corresponding path program 1 times [2021-10-13 07:03:03,348 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:03:03,348 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1426889222] [2021-10-13 07:03:03,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:03:03,348 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:03:03,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a284d1b5-dc74-48bd-94f3-c50c46375ddf/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:03:03,351 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a284d1b5-dc74-48bd-94f3-c50c46375ddf/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:03:03,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a284d1b5-dc74-48bd-94f3-c50c46375ddf/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-13 07:03:04,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:03:04,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-13 07:03:04,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:03:05,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:03:05,812 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:03:12,550 WARN L838 $PredicateComparison]: unable to prove that (= (fp.div roundNearestTiesToEven (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (_ +zero 11 53)))) (fp.sub roundNearestTiesToEven .cse0 .cse0)) (_ +zero 11 53)) (fp.div c_currentRoundingMode (fp.sub c_currentRoundingMode c_ULTIMATE.start___ieee754_log10_~x c_ULTIMATE.start___ieee754_log10_~x) c_~zero_log10~0)) is different from false [2021-10-13 07:03:14,732 WARN L860 $PredicateComparison]: unable to prove that (= (fp.div roundNearestTiesToEven (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (_ +zero 11 53)))) (fp.sub roundNearestTiesToEven .cse0 .cse0)) (_ +zero 11 53)) (fp.div c_currentRoundingMode (fp.sub c_currentRoundingMode c_ULTIMATE.start___ieee754_log10_~x c_ULTIMATE.start___ieee754_log10_~x) c_~zero_log10~0)) is different from true [2021-10-13 07:03:33,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:03:33,452 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:03:33,452 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1426889222] [2021-10-13 07:03:33,453 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1426889222] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:03:33,453 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:03:33,453 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-10-13 07:03:33,453 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500438323] [2021-10-13 07:03:33,454 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-13 07:03:33,454 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:03:33,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-13 07:03:33,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=54, Unknown=2, NotChecked=14, Total=90 [2021-10-13 07:03:33,455 INFO L87 Difference]: Start difference. First operand 13 states and 12 transitions. Second operand has 10 states, 10 states have (on average 2.3) internal successors, (23), 10 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:03:35,737 WARN L860 $PredicateComparison]: unable to prove that (and (= (fp.div c_currentRoundingMode (fp.neg ((_ to_fp 11 53) c_currentRoundingMode 1.0)) (_ +zero 11 53)) c_ULTIMATE.start___ieee754_log10_~x) (= (_ +zero 11 53) c_~zero_log10~0) (= (fp.div roundNearestTiesToEven (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (_ +zero 11 53)))) (fp.sub roundNearestTiesToEven .cse0 .cse0)) (_ +zero 11 53)) (fp.div c_currentRoundingMode (fp.sub c_currentRoundingMode c_ULTIMATE.start___ieee754_log10_~x c_ULTIMATE.start___ieee754_log10_~x) c_~zero_log10~0)) (= c_currentRoundingMode roundNearestTiesToEven)) is different from true [2021-10-13 07:03:36,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:03:36,103 INFO L93 Difference]: Finished difference Result 13 states and 12 transitions. [2021-10-13 07:03:36,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-13 07:03:36,104 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.3) internal successors, (23), 10 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-10-13 07:03:36,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:03:36,104 INFO L225 Difference]: With dead ends: 13 [2021-10-13 07:03:36,104 INFO L226 Difference]: Without dead ends: 0 [2021-10-13 07:03:36,105 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 7924.1ms TimeCoverageRelationStatistics Valid=35, Invalid=80, Unknown=3, NotChecked=38, Total=156 [2021-10-13 07:03:36,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-13 07:03:36,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-13 07:03:36,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:03:36,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-13 07:03:36,106 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2021-10-13 07:03:36,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:03:36,106 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 07:03:36,106 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.3) internal successors, (23), 10 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:03:36,107 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-13 07:03:36,107 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 07:03:36,109 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:03:36,140 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a284d1b5-dc74-48bd-94f3-c50c46375ddf/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-13 07:03:36,320 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a284d1b5-dc74-48bd-94f3-c50c46375ddf/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:03:36,322 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-13 07:03:36,325 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:03:36,353 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:03:36,367 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:03:36,368 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:03:36,368 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:03:36,369 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:03:36,370 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:03:36,372 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:03:36,373 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:03:36,373 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:03:42,839 WARN L207 SmtUtils]: Spent 6.25 s on a formula simplification. DAG size of input: 22 DAG size of output: 14 [2021-10-13 07:03:42,842 INFO L853 garLoopResultBuilder]: At program point L159(lines 120 160) the Hoare annotation is: (= |ULTIMATE.start___ieee754_log10_#res| (fp.div roundNearestTiesToEven (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (_ +zero 11 53)))) (fp.sub roundNearestTiesToEven .cse0 .cse0)) (_ +zero 11 53))) [2021-10-13 07:03:42,842 INFO L857 garLoopResultBuilder]: For program point L52-1(lines 52 56) no Hoare annotation was computed. [2021-10-13 07:03:42,843 INFO L853 garLoopResultBuilder]: At program point L52-2(lines 52 56) the Hoare annotation is: false [2021-10-13 07:03:42,843 INFO L857 garLoopResultBuilder]: For program point L176(lines 176 179) no Hoare annotation was computed. [2021-10-13 07:03:42,843 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-13 07:03:42,843 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-13 07:03:42,844 INFO L857 garLoopResultBuilder]: For program point L152-1(lines 152 157) no Hoare annotation was computed. [2021-10-13 07:03:42,844 INFO L853 garLoopResultBuilder]: At program point L152-2(lines 152 157) the Hoare annotation is: false [2021-10-13 07:03:42,844 INFO L857 garLoopResultBuilder]: For program point L152-3(lines 152 157) no Hoare annotation was computed. [2021-10-13 07:03:42,844 INFO L857 garLoopResultBuilder]: For program point L177(line 177) no Hoare annotation was computed. [2021-10-13 07:03:42,844 INFO L857 garLoopResultBuilder]: For program point L45(lines 45 57) no Hoare annotation was computed. [2021-10-13 07:03:42,845 INFO L857 garLoopResultBuilder]: For program point L45-1(lines 32 111) no Hoare annotation was computed. [2021-10-13 07:03:42,845 INFO L857 garLoopResultBuilder]: For program point L136(lines 136 137) no Hoare annotation was computed. [2021-10-13 07:03:42,845 INFO L857 garLoopResultBuilder]: For program point L37-1(lines 37 42) no Hoare annotation was computed. [2021-10-13 07:03:42,845 INFO L853 garLoopResultBuilder]: At program point L37-2(lines 37 42) the Hoare annotation is: false [2021-10-13 07:03:42,846 INFO L857 garLoopResultBuilder]: For program point L37-3(lines 37 42) no Hoare annotation was computed. [2021-10-13 07:03:42,846 INFO L857 garLoopResultBuilder]: For program point L46(lines 46 47) no Hoare annotation was computed. [2021-10-13 07:03:42,846 INFO L857 garLoopResultBuilder]: For program point L71(lines 71 87) no Hoare annotation was computed. [2021-10-13 07:03:42,846 INFO L857 garLoopResultBuilder]: For program point L63-1(lines 63 68) no Hoare annotation was computed. [2021-10-13 07:03:42,846 INFO L853 garLoopResultBuilder]: At program point L63-2(lines 63 68) the Hoare annotation is: false [2021-10-13 07:03:42,847 INFO L857 garLoopResultBuilder]: For program point L63-3(lines 63 68) no Hoare annotation was computed. [2021-10-13 07:03:42,847 INFO L857 garLoopResultBuilder]: For program point L72(lines 72 79) no Hoare annotation was computed. [2021-10-13 07:03:42,847 INFO L853 garLoopResultBuilder]: At program point L163(line 163) the Hoare annotation is: (and (= |ULTIMATE.start___ieee754_log10_#res| (fp.div roundNearestTiesToEven (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (_ +zero 11 53)))) (fp.sub roundNearestTiesToEven .cse0 .cse0)) (_ +zero 11 53))) (= (_ bv1 32) |ULTIMATE.start_isnan_double_#res|)) [2021-10-13 07:03:42,847 INFO L857 garLoopResultBuilder]: For program point L81(lines 81 86) no Hoare annotation was computed. [2021-10-13 07:03:42,848 INFO L857 garLoopResultBuilder]: For program point L48(lines 48 49) no Hoare annotation was computed. [2021-10-13 07:03:42,848 INFO L857 garLoopResultBuilder]: For program point L106(lines 106 109) no Hoare annotation was computed. [2021-10-13 07:03:42,848 INFO L857 garLoopResultBuilder]: For program point L73(lines 73 78) no Hoare annotation was computed. [2021-10-13 07:03:42,848 INFO L857 garLoopResultBuilder]: For program point L98(lines 98 110) no Hoare annotation was computed. [2021-10-13 07:03:42,849 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-13 07:03:42,849 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 177) no Hoare annotation was computed. [2021-10-13 07:03:42,849 INFO L860 garLoopResultBuilder]: At program point L181(lines 165 182) the Hoare annotation is: true [2021-10-13 07:03:42,849 INFO L857 garLoopResultBuilder]: For program point L140-1(lines 140 144) no Hoare annotation was computed. [2021-10-13 07:03:42,849 INFO L853 garLoopResultBuilder]: At program point L140-2(lines 140 144) the Hoare annotation is: false [2021-10-13 07:03:42,849 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-13 07:03:42,850 INFO L857 garLoopResultBuilder]: For program point L133(lines 133 145) no Hoare annotation was computed. [2021-10-13 07:03:42,850 INFO L857 garLoopResultBuilder]: For program point L133-1(lines 120 160) no Hoare annotation was computed. [2021-10-13 07:03:42,850 INFO L857 garLoopResultBuilder]: For program point L100(lines 100 104) no Hoare annotation was computed. [2021-10-13 07:03:42,850 INFO L857 garLoopResultBuilder]: For program point L125-1(lines 125 130) no Hoare annotation was computed. [2021-10-13 07:03:42,850 INFO L853 garLoopResultBuilder]: At program point L125-2(lines 125 130) the Hoare annotation is: (and (= (_ +zero 11 53) ~zero_log10~0) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53)) ULTIMATE.start___ieee754_log10_~x)) (= currentRoundingMode roundNearestTiesToEven)) [2021-10-13 07:03:42,850 INFO L857 garLoopResultBuilder]: For program point L125-3(lines 125 130) no Hoare annotation was computed. [2021-10-13 07:03:42,851 INFO L853 garLoopResultBuilder]: At program point L109(lines 32 111) the Hoare annotation is: false [2021-10-13 07:03:42,851 INFO L857 garLoopResultBuilder]: For program point L134(lines 134 135) no Hoare annotation was computed. [2021-10-13 07:03:42,854 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 07:03:42,864 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:03:42,865 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:03:42,865 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:03:42,865 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:03:42,866 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:03:42,866 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:03:42,868 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:03:42,869 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:03:42,869 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:03:42,869 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:03:42,869 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:03:42,869 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:03:42,871 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:03:42,871 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:03:42,871 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:03:42,871 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:03:42,871 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:03:42,872 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:03:42,873 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:03:42,873 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:03:42,873 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:03:42,873 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:03:42,873 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:03:42,873 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:03:42,875 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-13 07:03:42,875 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-13 07:03:42,875 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:03:42,876 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-13 07:03:42,876 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-13 07:03:42,877 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:03:42,877 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 07:03:42 BoogieIcfgContainer [2021-10-13 07:03:42,878 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 07:03:42,878 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 07:03:42,878 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 07:03:42,879 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 07:03:42,879 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:02:55" (3/4) ... [2021-10-13 07:03:42,882 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 07:03:42,894 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2021-10-13 07:03:42,895 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-10-13 07:03:42,895 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 07:03:42,896 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 07:03:42,919 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (~Pluszero~LONGDOUBLE() == zero_log10 && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == x)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2021-10-13 07:03:42,920 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \result == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~Pluszero~LONGDOUBLE()) [2021-10-13 07:03:42,920 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \result == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~Pluszero~LONGDOUBLE()) && 1bv32 == \result [2021-10-13 07:03:42,969 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a284d1b5-dc74-48bd-94f3-c50c46375ddf/bin/utaipan-q2qaUkNPG8/witness.graphml [2021-10-13 07:03:42,969 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 07:03:42,970 INFO L168 Benchmark]: Toolchain (without parser) took 77251.09 ms. Allocated memory is still 65.0 MB. Free memory was 48.4 MB in the beginning and 31.8 MB in the end (delta: 16.6 MB). Peak memory consumption was 16.7 MB. Max. memory is 16.1 GB. [2021-10-13 07:03:42,970 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 48.2 MB. Free memory was 29.2 MB in the beginning and 29.2 MB in the end (delta: 32.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:03:42,971 INFO L168 Benchmark]: CACSL2BoogieTranslator took 364.22 ms. Allocated memory is still 65.0 MB. Free memory was 48.2 MB in the beginning and 34.2 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-13 07:03:42,971 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.28 ms. Allocated memory is still 65.0 MB. Free memory was 34.2 MB in the beginning and 47.4 MB in the end (delta: -13.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 07:03:42,972 INFO L168 Benchmark]: Boogie Preprocessor took 56.18 ms. Allocated memory is still 65.0 MB. Free memory was 47.4 MB in the beginning and 45.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 07:03:42,972 INFO L168 Benchmark]: RCFGBuilder took 29151.07 ms. Allocated memory is still 65.0 MB. Free memory was 45.2 MB in the beginning and 42.5 MB in the end (delta: 2.8 MB). Peak memory consumption was 16.7 MB. Max. memory is 16.1 GB. [2021-10-13 07:03:42,972 INFO L168 Benchmark]: TraceAbstraction took 47497.77 ms. Allocated memory is still 65.0 MB. Free memory was 41.9 MB in the beginning and 37.7 MB in the end (delta: 4.2 MB). Peak memory consumption was 15.8 MB. Max. memory is 16.1 GB. [2021-10-13 07:03:42,973 INFO L168 Benchmark]: Witness Printer took 90.83 ms. Allocated memory is still 65.0 MB. Free memory was 37.7 MB in the beginning and 31.8 MB in the end (delta: 5.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-13 07:03:42,974 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 48.2 MB. Free memory was 29.2 MB in the beginning and 29.2 MB in the end (delta: 32.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 364.22 ms. Allocated memory is still 65.0 MB. Free memory was 48.2 MB in the beginning and 34.2 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 78.28 ms. Allocated memory is still 65.0 MB. Free memory was 34.2 MB in the beginning and 47.4 MB in the end (delta: -13.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 56.18 ms. Allocated memory is still 65.0 MB. Free memory was 47.4 MB in the beginning and 45.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 29151.07 ms. Allocated memory is still 65.0 MB. Free memory was 45.2 MB in the beginning and 42.5 MB in the end (delta: 2.8 MB). Peak memory consumption was 16.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 47497.77 ms. Allocated memory is still 65.0 MB. Free memory was 41.9 MB in the beginning and 37.7 MB in the end (delta: 4.2 MB). Peak memory consumption was 15.8 MB. Max. memory is 16.1 GB. * Witness Printer took 90.83 ms. Allocated memory is still 65.0 MB. Free memory was 37.7 MB in the beginning and 31.8 MB in the end (delta: 5.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - 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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - 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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - 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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - 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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - 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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - 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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - 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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - 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[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 177]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 42 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 47406.4ms, OverallIterations: 3, TraceHistogramMax: 1, EmptinessCheckTime: 11.5ms, AutomataDifference: 5835.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 6521.1ms, InitialAbstractionConstructionTime: 8.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 69 SDtfs, 12 SDslu, 18 SDs, 0 SdLazy, 14 SolverSat, 2 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 2945.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 65 GetRequests, 48 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 8721.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=42occurred in iteration=0, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 33.9ms AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 10 LocationsWithAnnotation, 10 PreInvPairs, 14 NumberOfFragments, 70 HoareAnnotationTreeSize, 10 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 56.1ms HoareSimplificationTime, 10 FomulaSimplificationsInter, 36 FormulaSimplificationTreeSizeReductionInter, 6458.5ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 64.4ms SsaConstructionTime, 2812.3ms SatisfiabilityAnalysisTime, 31253.2ms InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 60 ConstructedInterpolants, 10 QuantifiedInterpolants, 503 SizeOfPredicates, 19 NumberOfNonLiveVariables, 178 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 37]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 163]: Loop Invariant [2021-10-13 07:03:42,988 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:03:42,988 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:03:42,988 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:03:42,988 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:03:42,989 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:03:42,989 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:03:42,989 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:03:42,989 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:03:42,990 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:03:42,990 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:03:42,990 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:03:42,990 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: \result == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~Pluszero~LONGDOUBLE()) && 1bv32 == \result - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 120]: Loop Invariant [2021-10-13 07:03:42,991 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:03:42,991 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:03:42,991 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:03:42,992 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:03:42,992 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:03:42,992 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:03:42,992 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:03:42,992 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:03:42,995 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:03:42,995 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:03:42,995 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:03:42,995 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: \result == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 125]: Loop Invariant [2021-10-13 07:03:42,996 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-13 07:03:42,996 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-13 07:03:42,996 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:03:42,997 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-13 07:03:42,997 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-13 07:03:42,997 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (~Pluszero~LONGDOUBLE() == zero_log10 && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == x)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven RESULT: Ultimate proved your program to be correct! [2021-10-13 07:03:43,207 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a284d1b5-dc74-48bd-94f3-c50c46375ddf/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...