./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0910b.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_7b3257c8-b412-47ac-9d61-9bdbe47d635e/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b3257c8-b412-47ac-9d61-9bdbe47d635e/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_7b3257c8-b412-47ac-9d61-9bdbe47d635e/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b3257c8-b412-47ac-9d61-9bdbe47d635e/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0910b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b3257c8-b412-47ac-9d61-9bdbe47d635e/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_7b3257c8-b412-47ac-9d61-9bdbe47d635e/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 168a34c157feae60e842a771f725d7512bcac303 ....................................................................................................................................................................................................................................................................................................................... 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_7b3257c8-b412-47ac-9d61-9bdbe47d635e/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b3257c8-b412-47ac-9d61-9bdbe47d635e/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_7b3257c8-b412-47ac-9d61-9bdbe47d635e/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b3257c8-b412-47ac-9d61-9bdbe47d635e/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0910b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b3257c8-b412-47ac-9d61-9bdbe47d635e/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_7b3257c8-b412-47ac-9d61-9bdbe47d635e/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 168a34c157feae60e842a771f725d7512bcac303 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 07:04:32,287 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:04:32,290 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:04:32,349 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:04:32,349 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:04:32,351 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:04:32,353 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:04:32,356 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:04:32,359 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:04:32,360 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:04:32,362 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:04:32,364 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:04:32,365 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:04:32,366 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:04:32,369 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:04:32,371 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:04:32,372 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:04:32,374 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:04:32,377 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:04:32,380 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:04:32,383 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:04:32,385 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:04:32,387 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:04:32,389 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:04:32,394 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:04:32,394 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:04:32,395 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:04:32,396 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:04:32,397 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:04:32,399 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:04:32,399 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:04:32,401 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:04:32,402 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:04:32,403 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:04:32,405 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:04:32,405 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:04:32,406 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:04:32,407 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:04:32,408 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:04:32,409 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:04:32,410 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:04:32,412 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b3257c8-b412-47ac-9d61-9bdbe47d635e/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-13 07:04:32,441 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:04:32,442 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:04:32,443 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:04:32,443 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:04:32,443 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:04:32,444 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:04:32,444 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 07:04:32,444 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:04:32,445 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:04:32,445 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 07:04:32,446 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 07:04:32,446 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:04:32,446 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 07:04:32,447 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 07:04:32,447 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 07:04:32,448 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:04:32,448 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:04:32,449 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 07:04:32,449 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:04:32,449 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:04:32,450 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 07:04:32,450 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:04:32,450 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 07:04:32,451 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:04:32,451 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:04:32,452 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 07:04:32,452 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:04:32,452 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 07:04:32,453 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:04:32,453 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:04:32,454 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:04:32,454 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:04:32,454 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:04:32,455 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 07:04:32,455 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 07:04:32,455 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 07:04:32,456 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 07:04:32,456 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:04:32,456 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:04:32,456 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_7b3257c8-b412-47ac-9d61-9bdbe47d635e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b3257c8-b412-47ac-9d61-9bdbe47d635e/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 168a34c157feae60e842a771f725d7512bcac303 [2021-10-13 07:04:32,874 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:04:32,914 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:04:32,919 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:04:32,920 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:04:32,921 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:04:32,922 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b3257c8-b412-47ac-9d61-9bdbe47d635e/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/float-newlib/float_req_bl_0910b.c [2021-10-13 07:04:33,043 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b3257c8-b412-47ac-9d61-9bdbe47d635e/bin/utaipan-q2qaUkNPG8/data/ab0aa0f77/c6ab6f43a935494796b0ea816acfbe7a/FLAG38b282025 [2021-10-13 07:04:33,783 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:04:33,784 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b3257c8-b412-47ac-9d61-9bdbe47d635e/sv-benchmarks/c/float-newlib/float_req_bl_0910b.c [2021-10-13 07:04:33,802 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b3257c8-b412-47ac-9d61-9bdbe47d635e/bin/utaipan-q2qaUkNPG8/data/ab0aa0f77/c6ab6f43a935494796b0ea816acfbe7a/FLAG38b282025 [2021-10-13 07:04:34,083 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b3257c8-b412-47ac-9d61-9bdbe47d635e/bin/utaipan-q2qaUkNPG8/data/ab0aa0f77/c6ab6f43a935494796b0ea816acfbe7a [2021-10-13 07:04:34,086 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:04:34,088 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:04:34,090 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:04:34,090 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:04:34,094 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:04:34,096 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:04:34" (1/1) ... [2021-10-13 07:04:34,097 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30c45d4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:04:34, skipping insertion in model container [2021-10-13 07:04:34,097 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:04:34" (1/1) ... [2021-10-13 07:04:34,106 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:04:34,130 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:04:34,385 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_7b3257c8-b412-47ac-9d61-9bdbe47d635e/sv-benchmarks/c/float-newlib/float_req_bl_0910b.c[3133,3146] [2021-10-13 07:04:34,389 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:04:34,401 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 07:04:34,446 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_7b3257c8-b412-47ac-9d61-9bdbe47d635e/sv-benchmarks/c/float-newlib/float_req_bl_0910b.c[3133,3146] [2021-10-13 07:04:34,447 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:04:34,466 INFO L208 MainTranslator]: Completed translation [2021-10-13 07:04:34,466 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:04:34 WrapperNode [2021-10-13 07:04:34,467 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:04:34,468 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 07:04:34,468 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 07:04:34,469 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 07:04:34,486 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:04:34" (1/1) ... [2021-10-13 07:04:34,498 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:04:34" (1/1) ... [2021-10-13 07:04:34,531 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 07:04:34,536 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 07:04:34,536 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 07:04:34,536 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 07:04:34,548 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:04:34" (1/1) ... [2021-10-13 07:04:34,549 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:04:34" (1/1) ... [2021-10-13 07:04:34,564 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:04:34" (1/1) ... [2021-10-13 07:04:34,566 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:04:34" (1/1) ... [2021-10-13 07:04:34,591 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:04:34" (1/1) ... [2021-10-13 07:04:34,597 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:04:34" (1/1) ... [2021-10-13 07:04:34,600 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:04:34" (1/1) ... [2021-10-13 07:04:34,604 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 07:04:34,605 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 07:04:34,605 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 07:04:34,606 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 07:04:34,607 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:04:34" (1/1) ... [2021-10-13 07:04:34,620 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:04:34,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b3257c8-b412-47ac-9d61-9bdbe47d635e/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 07:04:34,649 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b3257c8-b412-47ac-9d61-9bdbe47d635e/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 07:04:34,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b3257c8-b412-47ac-9d61-9bdbe47d635e/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 07:04:34,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 07:04:34,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 07:04:34,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-10-13 07:04:34,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-13 07:04:34,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-10-13 07:04:34,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 07:04:34,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 07:04:34,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-13 07:04:34,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 07:04:35,514 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 07:04:35,515 INFO L299 CfgBuilder]: Removed 16 assume(true) statements. [2021-10-13 07:04:35,518 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:04:35 BoogieIcfgContainer [2021-10-13 07:04:35,518 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 07:04:35,522 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 07:04:35,523 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 07:04:35,528 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 07:04:35,529 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:04:34" (1/3) ... [2021-10-13 07:04:35,531 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4015f4e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:04:35, skipping insertion in model container [2021-10-13 07:04:35,531 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:04:34" (2/3) ... [2021-10-13 07:04:35,532 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4015f4e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:04:35, skipping insertion in model container [2021-10-13 07:04:35,532 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:04:35" (3/3) ... [2021-10-13 07:04:35,535 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0910b.c [2021-10-13 07:04:35,543 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 07:04:35,543 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-13 07:04:35,622 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 07:04:35,633 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 07:04:35,634 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-13 07:04:35,653 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 21 states have (on average 1.6666666666666667) internal successors, (35), 22 states have internal predecessors, (35), 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 07:04:35,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-13 07:04:35,676 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:04:35,677 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:04:35,678 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:04:35,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:04:35,686 INFO L82 PathProgramCache]: Analyzing trace with hash 1916996224, now seen corresponding path program 1 times [2021-10-13 07:04:35,699 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 07:04:35,700 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024581992] [2021-10-13 07:04:35,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:04:35,702 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 07:04:35,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:04:35,939 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 07:04:35,940 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 07:04:35,940 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024581992] [2021-10-13 07:04:35,941 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024581992] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 07:04:35,942 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:04:35,942 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 07:04:35,945 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523241903] [2021-10-13 07:04:35,950 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-13 07:04:35,951 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 07:04:35,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-13 07:04:35,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 07:04:35,973 INFO L87 Difference]: Start difference. First operand has 23 states, 21 states have (on average 1.6666666666666667) internal successors, (35), 22 states have internal predecessors, (35), 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 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:04:35,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:04:35,998 INFO L93 Difference]: Finished difference Result 45 states and 69 transitions. [2021-10-13 07:04:35,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 07:04:36,000 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-10-13 07:04:36,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:04:36,012 INFO L225 Difference]: With dead ends: 45 [2021-10-13 07:04:36,013 INFO L226 Difference]: Without dead ends: 21 [2021-10-13 07:04:36,017 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 07:04:36,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2021-10-13 07:04:36,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2021-10-13 07:04:36,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 20 states have (on average 1.2) internal successors, (24), 20 states have internal predecessors, (24), 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 07:04:36,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 24 transitions. [2021-10-13 07:04:36,057 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 24 transitions. Word has length 9 [2021-10-13 07:04:36,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:04:36,058 INFO L470 AbstractCegarLoop]: Abstraction has 21 states and 24 transitions. [2021-10-13 07:04:36,058 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:04:36,058 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2021-10-13 07:04:36,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-13 07:04:36,059 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:04:36,060 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:04:36,060 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-13 07:04:36,061 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:04:36,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:04:36,062 INFO L82 PathProgramCache]: Analyzing trace with hash 1372990139, now seen corresponding path program 1 times [2021-10-13 07:04:36,062 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 07:04:36,062 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726865199] [2021-10-13 07:04:36,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:04:36,063 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 07:04:36,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 07:04:36,134 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 07:04:36,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 07:04:36,214 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-10-13 07:04:36,215 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-13 07:04:36,217 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:04:36,220 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-13 07:04:36,228 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 07:04:36,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 07:04:36 BoogieIcfgContainer [2021-10-13 07:04:36,287 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 07:04:36,288 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 07:04:36,289 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 07:04:36,290 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 07:04:36,290 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:04:35" (3/4) ... [2021-10-13 07:04:36,294 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-13 07:04:36,294 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 07:04:36,297 INFO L168 Benchmark]: Toolchain (without parser) took 2207.61 ms. Allocated memory was 96.5 MB in the beginning and 138.4 MB in the end (delta: 41.9 MB). Free memory was 60.3 MB in the beginning and 60.5 MB in the end (delta: -180.7 kB). Peak memory consumption was 39.0 MB. Max. memory is 16.1 GB. [2021-10-13 07:04:36,298 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 96.5 MB. Free memory was 66.5 MB in the beginning and 66.5 MB in the end (delta: 25.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:04:36,302 INFO L168 Benchmark]: CACSL2BoogieTranslator took 377.11 ms. Allocated memory was 96.5 MB in the beginning and 138.4 MB in the end (delta: 41.9 MB). Free memory was 60.1 MB in the beginning and 109.8 MB in the end (delta: -49.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 07:04:36,304 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.74 ms. Allocated memory is still 138.4 MB. Free memory was 109.8 MB in the beginning and 108.4 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:04:36,310 INFO L168 Benchmark]: Boogie Preprocessor took 68.54 ms. Allocated memory is still 138.4 MB. Free memory was 108.4 MB in the beginning and 106.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 07:04:36,311 INFO L168 Benchmark]: RCFGBuilder took 913.52 ms. Allocated memory is still 138.4 MB. Free memory was 106.9 MB in the beginning and 88.0 MB in the end (delta: 18.8 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2021-10-13 07:04:36,312 INFO L168 Benchmark]: TraceAbstraction took 764.65 ms. Allocated memory is still 138.4 MB. Free memory was 87.5 MB in the beginning and 60.5 MB in the end (delta: 27.0 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2021-10-13 07:04:36,312 INFO L168 Benchmark]: Witness Printer took 6.43 ms. Allocated memory is still 138.4 MB. Free memory is still 60.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:04:36,323 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 96.5 MB. Free memory was 66.5 MB in the beginning and 66.5 MB in the end (delta: 25.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 377.11 ms. Allocated memory was 96.5 MB in the beginning and 138.4 MB in the end (delta: 41.9 MB). Free memory was 60.1 MB in the beginning and 109.8 MB in the end (delta: -49.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 66.74 ms. Allocated memory is still 138.4 MB. Free memory was 109.8 MB in the beginning and 108.4 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 68.54 ms. Allocated memory is still 138.4 MB. Free memory was 108.4 MB in the beginning and 106.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 913.52 ms. Allocated memory is still 138.4 MB. Free memory was 106.9 MB in the beginning and 88.0 MB in the end (delta: 18.8 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 764.65 ms. Allocated memory is still 138.4 MB. Free memory was 87.5 MB in the beginning and 60.5 MB in the end (delta: 27.0 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. * Witness Printer took 6.43 ms. Allocated memory is still 138.4 MB. Free memory is still 60.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 123]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someUnaryFLOAToperation at line 118, overapproximation of someBinaryArithmeticFLOAToperation at line 46, overapproximation of bitwiseAnd at line 22. Possible FailurePath: [L26-L30] static const float ln2_hi_log = 6.9313812256e-01, ln2_lo_log = 9.0580006145e-06, two25_log = 3.355443200e+07, Lg1_log = 6.6666668653e-01, Lg2_log = 4.0000000596e-01, Lg3_log = 2.8571429849e-01, Lg4_log = 2.2222198546e-01, Lg5_log = 1.8183572590e-01, Lg6_log = 1.5313838422e-01, Lg7_log = 1.4798198640e-01; [L32] static const float zero_log = 0.0; [L118] float x = -0.0f; [L35] float hfsq, f, s, z, R, w, t1, t2, dk; [L36] __int32_t k, ix, i, j; VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] [L39] ieee_float_shape_type gf_u; [L40] gf_u.value = (x) [L41] EXPR gf_u.word [L41] (ix) = gf_u.word [L44] k = 0 VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] [L45] COND TRUE ((ix & 0x7fffffff) == 0) [L46] return -two25_log / zero_log; VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] [L119] float res = __ieee754_logf(x); [L16] __int32_t ix; VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] [L18] ieee_float_shape_type gf_u; [L19] gf_u.value = (x) [L20] EXPR gf_u.word [L20] (ix) = gf_u.word [L22] ix &= 0x7fffffff [L23] return ((ix) == 0x7f800000L); [L122] COND TRUE !isinf_float(res) [L123] reach_error() VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 23 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 605.9ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 29.2ms, AutomataDifference: 64.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 13.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 26 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=23occurred 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: 21.8ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 18.0ms SsaConstructionTime, 111.0ms SatisfiabilityAnalysisTime, 90.2ms InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 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 07:04:36,377 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b3257c8-b412-47ac-9d61-9bdbe47d635e/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 07:04:39,458 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:04:39,461 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:04:39,498 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:04:39,499 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:04:39,501 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:04:39,503 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:04:39,506 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:04:39,509 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:04:39,511 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:04:39,512 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:04:39,514 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:04:39,515 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:04:39,517 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:04:39,519 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:04:39,521 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:04:39,523 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:04:39,524 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:04:39,527 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:04:39,530 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:04:39,533 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:04:39,535 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:04:39,537 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:04:39,538 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:04:39,543 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:04:39,543 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:04:39,544 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:04:39,545 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:04:39,546 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:04:39,548 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:04:39,548 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:04:39,550 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:04:39,551 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:04:39,552 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:04:39,554 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:04:39,554 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:04:39,572 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:04:39,573 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:04:39,573 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:04:39,574 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:04:39,575 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:04:39,577 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b3257c8-b412-47ac-9d61-9bdbe47d635e/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-13 07:04:39,630 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:04:39,630 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:04:39,631 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:04:39,631 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:04:39,631 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:04:39,632 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:04:39,632 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:04:39,632 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:04:39,632 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:04:39,633 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:04:39,633 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:04:39,634 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:04:39,634 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:04:39,634 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 07:04:39,634 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:04:39,634 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 07:04:39,635 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:04:39,636 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 07:04:39,636 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 07:04:39,636 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:04:39,637 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 07:04:39,637 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:04:39,637 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 07:04:39,638 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:04:39,638 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 07:04:39,638 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:04:39,638 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:04:39,639 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:04:39,640 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:04:39,640 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 07:04:39,640 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-13 07:04:39,640 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 07:04:39,641 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 07:04:39,641 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:04:39,641 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:04:39,641 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_7b3257c8-b412-47ac-9d61-9bdbe47d635e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b3257c8-b412-47ac-9d61-9bdbe47d635e/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 168a34c157feae60e842a771f725d7512bcac303 [2021-10-13 07:04:40,162 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:04:40,207 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:04:40,211 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:04:40,213 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:04:40,214 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:04:40,215 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b3257c8-b412-47ac-9d61-9bdbe47d635e/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/float-newlib/float_req_bl_0910b.c [2021-10-13 07:04:40,304 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b3257c8-b412-47ac-9d61-9bdbe47d635e/bin/utaipan-q2qaUkNPG8/data/b7c3b549d/cb178be11f264aeea3bff43b090d0b38/FLAG0a0f98cd2 [2021-10-13 07:04:41,051 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:04:41,057 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b3257c8-b412-47ac-9d61-9bdbe47d635e/sv-benchmarks/c/float-newlib/float_req_bl_0910b.c [2021-10-13 07:04:41,069 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b3257c8-b412-47ac-9d61-9bdbe47d635e/bin/utaipan-q2qaUkNPG8/data/b7c3b549d/cb178be11f264aeea3bff43b090d0b38/FLAG0a0f98cd2 [2021-10-13 07:04:41,091 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b3257c8-b412-47ac-9d61-9bdbe47d635e/bin/utaipan-q2qaUkNPG8/data/b7c3b549d/cb178be11f264aeea3bff43b090d0b38 [2021-10-13 07:04:41,096 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:04:41,098 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:04:41,100 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:04:41,101 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:04:41,111 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:04:41,112 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:04:41" (1/1) ... [2021-10-13 07:04:41,118 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43abcc45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:04:41, skipping insertion in model container [2021-10-13 07:04:41,118 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:04:41" (1/1) ... [2021-10-13 07:04:41,127 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:04:41,171 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:04:41,444 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_7b3257c8-b412-47ac-9d61-9bdbe47d635e/sv-benchmarks/c/float-newlib/float_req_bl_0910b.c[3133,3146] [2021-10-13 07:04:41,448 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:04:41,465 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 07:04:41,513 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_7b3257c8-b412-47ac-9d61-9bdbe47d635e/sv-benchmarks/c/float-newlib/float_req_bl_0910b.c[3133,3146] [2021-10-13 07:04:41,514 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:04:41,537 INFO L208 MainTranslator]: Completed translation [2021-10-13 07:04:41,537 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:04:41 WrapperNode [2021-10-13 07:04:41,537 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:04:41,539 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 07:04:41,539 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 07:04:41,539 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 07:04:41,546 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:04:41" (1/1) ... [2021-10-13 07:04:41,563 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:04:41" (1/1) ... [2021-10-13 07:04:41,608 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 07:04:41,609 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 07:04:41,610 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 07:04:41,610 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 07:04:41,632 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:04:41" (1/1) ... [2021-10-13 07:04:41,632 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:04:41" (1/1) ... [2021-10-13 07:04:41,648 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:04:41" (1/1) ... [2021-10-13 07:04:41,651 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:04:41" (1/1) ... [2021-10-13 07:04:41,687 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:04:41" (1/1) ... [2021-10-13 07:04:41,699 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:04:41" (1/1) ... [2021-10-13 07:04:41,705 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:04:41" (1/1) ... [2021-10-13 07:04:41,724 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 07:04:41,725 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 07:04:41,726 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 07:04:41,726 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 07:04:41,727 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:04:41" (1/1) ... [2021-10-13 07:04:41,735 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:04:41,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b3257c8-b412-47ac-9d61-9bdbe47d635e/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 07:04:41,777 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b3257c8-b412-47ac-9d61-9bdbe47d635e/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 07:04:41,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b3257c8-b412-47ac-9d61-9bdbe47d635e/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 07:04:41,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-13 07:04:41,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 07:04:41,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2021-10-13 07:04:41,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-13 07:04:41,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 07:04:41,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 07:04:41,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2021-10-13 07:04:41,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-13 07:04:41,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 07:04:57,372 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 07:04:57,387 INFO L299 CfgBuilder]: Removed 16 assume(true) statements. [2021-10-13 07:04:57,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:04:57 BoogieIcfgContainer [2021-10-13 07:04:57,390 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 07:04:57,392 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 07:04:57,392 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 07:04:57,396 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 07:04:57,397 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:04:41" (1/3) ... [2021-10-13 07:04:57,397 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27b05e49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:04:57, skipping insertion in model container [2021-10-13 07:04:57,398 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:04:41" (2/3) ... [2021-10-13 07:04:57,398 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27b05e49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:04:57, skipping insertion in model container [2021-10-13 07:04:57,398 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:04:57" (3/3) ... [2021-10-13 07:04:57,400 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0910b.c [2021-10-13 07:04:57,405 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 07:04:57,406 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-13 07:04:57,462 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 07:04:57,469 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 07:04:57,470 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-13 07:04:57,486 INFO L276 IsEmpty]: Start isEmpty. Operand has 33 states, 31 states have (on average 1.6774193548387097) internal successors, (52), 32 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 07:04:57,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-13 07:04:57,493 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:04:57,493 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:04:57,494 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:04:57,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:04:57,501 INFO L82 PathProgramCache]: Analyzing trace with hash -179144357, now seen corresponding path program 1 times [2021-10-13 07:04:57,519 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:04:57,519 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1473568280] [2021-10-13 07:04:57,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:04:57,521 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:04:57,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b3257c8-b412-47ac-9d61-9bdbe47d635e/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:04:57,524 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b3257c8-b412-47ac-9d61-9bdbe47d635e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:04:57,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b3257c8-b412-47ac-9d61-9bdbe47d635e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-13 07:04:58,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:04:58,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-13 07:04:58,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:04:58,575 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 07:04:58,576 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:04:58,699 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 07:04:58,700 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:04:58,700 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1473568280] [2021-10-13 07:04:58,701 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1473568280] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:04:58,701 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:04:58,701 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-13 07:04:58,704 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397677138] [2021-10-13 07:04:58,709 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-13 07:04:58,710 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:04:58,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-13 07:04:58,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 07:04:58,736 INFO L87 Difference]: Start difference. First operand has 33 states, 31 states have (on average 1.6774193548387097) internal successors, (52), 32 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 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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 07:04:58,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:04:58,768 INFO L93 Difference]: Finished difference Result 64 states and 102 transitions. [2021-10-13 07:04:58,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 07:04:58,770 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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 07:04:58,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:04:58,782 INFO L225 Difference]: With dead ends: 64 [2021-10-13 07:04:58,782 INFO L226 Difference]: Without dead ends: 30 [2021-10-13 07:04:58,786 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 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 07:04:58,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2021-10-13 07:04:58,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2021-10-13 07:04:58,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 29 states have (on average 1.3793103448275863) internal successors, (40), 29 states have internal predecessors, (40), 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 07:04:58,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 40 transitions. [2021-10-13 07:04:58,837 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 40 transitions. Word has length 11 [2021-10-13 07:04:58,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:04:58,838 INFO L470 AbstractCegarLoop]: Abstraction has 30 states and 40 transitions. [2021-10-13 07:04:58,838 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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 07:04:58,838 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2021-10-13 07:04:58,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-13 07:04:58,839 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:04:58,839 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:04:58,861 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b3257c8-b412-47ac-9d61-9bdbe47d635e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-10-13 07:04:59,043 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b3257c8-b412-47ac-9d61-9bdbe47d635e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:04:59,044 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:04:59,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:04:59,045 INFO L82 PathProgramCache]: Analyzing trace with hash 574087680, now seen corresponding path program 1 times [2021-10-13 07:04:59,046 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:04:59,047 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1931804499] [2021-10-13 07:04:59,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:04:59,047 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:04:59,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b3257c8-b412-47ac-9d61-9bdbe47d635e/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:04:59,049 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b3257c8-b412-47ac-9d61-9bdbe47d635e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:04:59,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b3257c8-b412-47ac-9d61-9bdbe47d635e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-13 07:04:59,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:04:59,811 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 14 conjunts are in the unsatisfiable core [2021-10-13 07:04:59,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:05:00,739 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 07:05:00,739 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:05:08,567 WARN L860 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_isinf_float_~ix~0_10 (_ BitVec 32))) (or (not (= (fp.div c_currentRoundingMode (fp.neg c_~two25_log~0) c_~zero_log~0) (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~0_10) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~0_10) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~0_10)))) (= (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~0_10) (_ bv2139095040 32)))) is different from true [2021-10-13 07:05:25,550 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 07:05:25,550 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:05:25,551 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1931804499] [2021-10-13 07:05:25,551 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1931804499] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:05:25,551 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:05:25,551 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 13 [2021-10-13 07:05:25,552 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381147067] [2021-10-13 07:05:25,554 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-10-13 07:05:25,554 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:05:25,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-10-13 07:05:25,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=129, Unknown=1, NotChecked=22, Total=182 [2021-10-13 07:05:25,557 INFO L87 Difference]: Start difference. First operand 30 states and 40 transitions. Second operand has 14 states, 14 states have (on average 1.7857142857142858) internal successors, (25), 13 states have internal predecessors, (25), 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 07:05:56,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:05:56,038 INFO L93 Difference]: Finished difference Result 46 states and 54 transitions. [2021-10-13 07:05:56,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-13 07:05:56,061 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 1.7857142857142858) internal successors, (25), 13 states have internal predecessors, (25), 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 13 [2021-10-13 07:05:56,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:05:56,063 INFO L225 Difference]: With dead ends: 46 [2021-10-13 07:05:56,063 INFO L226 Difference]: Without dead ends: 38 [2021-10-13 07:05:56,065 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 5869.1ms TimeCoverageRelationStatistics Valid=81, Invalid=228, Unknown=1, NotChecked=32, Total=342 [2021-10-13 07:05:56,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2021-10-13 07:05:56,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 30. [2021-10-13 07:05:56,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 29 states have (on average 1.3448275862068966) internal successors, (39), 29 states have internal predecessors, (39), 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 07:05:56,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 39 transitions. [2021-10-13 07:05:56,072 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 39 transitions. Word has length 13 [2021-10-13 07:05:56,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:05:56,073 INFO L470 AbstractCegarLoop]: Abstraction has 30 states and 39 transitions. [2021-10-13 07:05:56,073 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 1.7857142857142858) internal successors, (25), 13 states have internal predecessors, (25), 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 07:05:56,073 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 39 transitions. [2021-10-13 07:05:56,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-13 07:05:56,075 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:05:56,075 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:05:56,103 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b3257c8-b412-47ac-9d61-9bdbe47d635e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-13 07:05:56,291 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b3257c8-b412-47ac-9d61-9bdbe47d635e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:05:56,292 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:05:56,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:05:56,292 INFO L82 PathProgramCache]: Analyzing trace with hash -1681903329, now seen corresponding path program 1 times [2021-10-13 07:05:56,293 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:05:56,293 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1502240266] [2021-10-13 07:05:56,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:05:56,294 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:05:56,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b3257c8-b412-47ac-9d61-9bdbe47d635e/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:05:56,295 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b3257c8-b412-47ac-9d61-9bdbe47d635e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:05:56,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b3257c8-b412-47ac-9d61-9bdbe47d635e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-13 07:05:56,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:05:56,925 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-13 07:05:56,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:05:57,155 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 07:05:57,155 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:05:57,457 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 07:05:57,458 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:05:57,458 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1502240266] [2021-10-13 07:05:57,458 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1502240266] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:05:57,459 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:05:57,459 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-10-13 07:05:57,459 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102742260] [2021-10-13 07:05:57,460 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 07:05:57,460 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:05:57,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 07:05:57,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-13 07:05:57,462 INFO L87 Difference]: Start difference. First operand 30 states and 39 transitions. Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 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 07:05:57,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:05:57,528 INFO L93 Difference]: Finished difference Result 30 states and 39 transitions. [2021-10-13 07:05:57,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 07:05:57,528 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 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 14 [2021-10-13 07:05:57,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:05:57,529 INFO L225 Difference]: With dead ends: 30 [2021-10-13 07:05:57,529 INFO L226 Difference]: Without dead ends: 0 [2021-10-13 07:05:57,530 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 180.9ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-13 07:05:57,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-13 07:05:57,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-13 07:05:57,531 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 07:05:57,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-13 07:05:57,532 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2021-10-13 07:05:57,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:05:57,532 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 07:05:57,532 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 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 07:05:57,532 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-13 07:05:57,533 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 07:05:57,535 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:05:57,554 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b3257c8-b412-47ac-9d61-9bdbe47d635e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-13 07:05:57,736 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b3257c8-b412-47ac-9d61-9bdbe47d635e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:05:57,739 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-13 07:05:57,741 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:05:57,774 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:05:57,776 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:05:57,778 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:05:57,779 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:05:57,784 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:05:57,800 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:05:58,144 INFO L860 garLoopResultBuilder]: At program point L126(lines 112 127) the Hoare annotation is: true [2021-10-13 07:05:58,144 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-13 07:05:58,145 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-13 07:05:58,145 INFO L857 garLoopResultBuilder]: For program point L45(lines 45 46) no Hoare annotation was computed. [2021-10-13 07:05:58,146 INFO L857 garLoopResultBuilder]: For program point L70(lines 70 86) no Hoare annotation was computed. [2021-10-13 07:05:58,146 INFO L857 garLoopResultBuilder]: For program point L54-1(lines 54 58) no Hoare annotation was computed. [2021-10-13 07:05:58,146 INFO L853 garLoopResultBuilder]: At program point L54-2(lines 54 58) the Hoare annotation is: false [2021-10-13 07:05:58,147 INFO L857 garLoopResultBuilder]: For program point L71(lines 71 78) no Hoare annotation was computed. [2021-10-13 07:05:58,147 INFO L857 garLoopResultBuilder]: For program point L38-1(lines 38 42) no Hoare annotation was computed. [2021-10-13 07:05:58,147 INFO L853 garLoopResultBuilder]: At program point L38-2(lines 38 42) the Hoare annotation is: (and (= ~two25_log~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 33554432.0))) (= ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)) ~zero_log~0) (= (fp.neg (_ +zero 8 24)) ULTIMATE.start___ieee754_logf_~x) (= currentRoundingMode roundNearestTiesToEven)) [2021-10-13 07:05:58,147 INFO L857 garLoopResultBuilder]: For program point L38-3(lines 38 42) no Hoare annotation was computed. [2021-10-13 07:05:58,148 INFO L857 garLoopResultBuilder]: For program point L63-1(lines 63 67) no Hoare annotation was computed. [2021-10-13 07:05:58,148 INFO L853 garLoopResultBuilder]: At program point L63-2(lines 63 67) the Hoare annotation is: false [2021-10-13 07:05:58,148 INFO L857 garLoopResultBuilder]: For program point L63-3(lines 63 67) no Hoare annotation was computed. [2021-10-13 07:05:58,148 INFO L857 garLoopResultBuilder]: For program point L80(lines 80 85) no Hoare annotation was computed. [2021-10-13 07:05:58,148 INFO L857 garLoopResultBuilder]: For program point L47(lines 47 48) no Hoare annotation was computed. [2021-10-13 07:05:58,148 INFO L857 garLoopResultBuilder]: For program point L105(lines 105 108) no Hoare annotation was computed. [2021-10-13 07:05:58,149 INFO L857 garLoopResultBuilder]: For program point L72(lines 72 77) no Hoare annotation was computed. [2021-10-13 07:05:58,149 INFO L857 garLoopResultBuilder]: For program point L97(lines 97 109) no Hoare annotation was computed. [2021-10-13 07:05:58,149 INFO L857 garLoopResultBuilder]: For program point L122(lines 122 125) no Hoare annotation was computed. [2021-10-13 07:05:58,149 INFO L853 garLoopResultBuilder]: At program point L23(lines 15 24) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 33554432.0))) ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53))))) (and (= .cse0 ULTIMATE.start_isinf_float_~x) (= (bvand (_ bv2147483647 32) ULTIMATE.start_isinf_float_~ix~0) (_ bv2139095040 32)) (= .cse0 |ULTIMATE.start___ieee754_logf_#res|) (= ~two25_log~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 33554432.0))) (= ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)) ~zero_log~0) (= currentRoundingMode roundNearestTiesToEven) (= |ULTIMATE.start_isinf_float_#res| (_ bv1 32)))) [2021-10-13 07:05:58,149 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-13 07:05:58,150 INFO L857 garLoopResultBuilder]: For program point L123(line 123) no Hoare annotation was computed. [2021-10-13 07:05:58,150 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 123) no Hoare annotation was computed. [2021-10-13 07:05:58,150 INFO L857 garLoopResultBuilder]: For program point L49(lines 49 50) no Hoare annotation was computed. [2021-10-13 07:05:58,151 INFO L857 garLoopResultBuilder]: For program point L99(lines 99 103) no Hoare annotation was computed. [2021-10-13 07:05:58,151 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-13 07:05:58,151 INFO L857 garLoopResultBuilder]: For program point L17-1(lines 17 21) no Hoare annotation was computed. [2021-10-13 07:05:58,151 INFO L853 garLoopResultBuilder]: At program point L17-2(lines 17 21) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 33554432.0))) ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53))))) (and (= .cse0 ULTIMATE.start_isinf_float_~x) (= .cse0 |ULTIMATE.start___ieee754_logf_#res|) (= ~two25_log~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 33554432.0))) (= ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)) ~zero_log~0) (= currentRoundingMode roundNearestTiesToEven))) [2021-10-13 07:05:58,152 INFO L857 garLoopResultBuilder]: For program point L17-3(lines 17 21) no Hoare annotation was computed. [2021-10-13 07:05:58,152 INFO L853 garLoopResultBuilder]: At program point L108(lines 34 110) the Hoare annotation is: (and (= (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 33554432.0))) ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53))) |ULTIMATE.start___ieee754_logf_#res|) (= ~two25_log~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 33554432.0))) (= ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)) ~zero_log~0) (= currentRoundingMode roundNearestTiesToEven)) [2021-10-13 07:05:58,152 INFO L857 garLoopResultBuilder]: For program point L51(lines 51 59) no Hoare annotation was computed. [2021-10-13 07:05:58,153 INFO L857 garLoopResultBuilder]: For program point L51-1(lines 51 59) no Hoare annotation was computed. [2021-10-13 07:05:58,158 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 07:05:58,167 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:05:58,169 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:05:58,169 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:05:58,169 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:05:58,170 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:05:58,170 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:05:58,170 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:05:58,170 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:05:58,171 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:05:58,177 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:05:58,177 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:05:58,178 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:05:58,178 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:05:58,178 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:05:58,179 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:05:58,179 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:05:58,179 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:05:58,179 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:05:58,181 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:05:58,182 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:05:58,182 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:05:58,182 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:05:58,183 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:05:58,183 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:05:58,184 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:05:58,184 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:05:58,184 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:05:58,185 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:05:58,186 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:05:58,186 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:05:58,186 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:05:58,187 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:05:58,187 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:05:58,187 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:05:58,188 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:05:58,188 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:05:58,188 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:05:58,189 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:05:58,190 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:05:58,190 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:05:58,190 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:05:58,191 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:05:58,191 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:05:58,191 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:05:58,191 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:05:58,192 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:05:58,193 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:05:58,194 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:05:58,195 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 07:05:58 BoogieIcfgContainer [2021-10-13 07:05:58,195 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 07:05:58,196 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 07:05:58,196 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 07:05:58,196 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 07:05:58,197 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:04:57" (3/4) ... [2021-10-13 07:05:58,200 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 07:05:58,215 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2021-10-13 07:05:58,216 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-10-13 07:05:58,216 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 07:05:58,217 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 07:05:58,246 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7))), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) == \result && two25_log == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3.3554432E7))) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE()) == zero_log) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2021-10-13 07:05:58,247 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7))), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) == x && ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7))), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) == \result) && two25_log == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3.3554432E7))) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE()) == zero_log) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2021-10-13 07:05:58,248 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7))), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) == x && ~bvand32(2147483647bv32, ix) == 2139095040bv32) && ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7))), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) == \result) && two25_log == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3.3554432E7))) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE()) == zero_log) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && \result == 1bv32 [2021-10-13 07:05:58,325 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b3257c8-b412-47ac-9d61-9bdbe47d635e/bin/utaipan-q2qaUkNPG8/witness.graphml [2021-10-13 07:05:58,325 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 07:05:58,327 INFO L168 Benchmark]: Toolchain (without parser) took 77228.50 ms. Allocated memory is still 65.0 MB. Free memory was 47.5 MB in the beginning and 45.7 MB in the end (delta: 1.9 MB). Peak memory consumption was 27.2 MB. Max. memory is 16.1 GB. [2021-10-13 07:05:58,328 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 65.0 MB. Free memory was 46.3 MB in the beginning and 46.3 MB in the end (delta: 54.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:05:58,329 INFO L168 Benchmark]: CACSL2BoogieTranslator took 437.32 ms. Allocated memory is still 65.0 MB. Free memory was 47.4 MB in the beginning and 45.6 MB in the end (delta: 1.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 07:05:58,329 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.08 ms. Allocated memory is still 65.0 MB. Free memory was 45.6 MB in the beginning and 43.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 07:05:58,330 INFO L168 Benchmark]: Boogie Preprocessor took 114.90 ms. Allocated memory is still 65.0 MB. Free memory was 43.4 MB in the beginning and 41.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 07:05:58,330 INFO L168 Benchmark]: RCFGBuilder took 15665.03 ms. Allocated memory is still 65.0 MB. Free memory was 41.6 MB in the beginning and 47.9 MB in the end (delta: -6.3 MB). Peak memory consumption was 19.0 MB. Max. memory is 16.1 GB. [2021-10-13 07:05:58,331 INFO L168 Benchmark]: TraceAbstraction took 60802.75 ms. Allocated memory is still 65.0 MB. Free memory was 47.2 MB in the beginning and 25.2 MB in the end (delta: 22.1 MB). Peak memory consumption was 22.1 MB. Max. memory is 16.1 GB. [2021-10-13 07:05:58,331 INFO L168 Benchmark]: Witness Printer took 130.01 ms. Allocated memory is still 65.0 MB. Free memory was 25.2 MB in the beginning and 45.7 MB in the end (delta: -20.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 07:05:58,334 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 65.0 MB. Free memory was 46.3 MB in the beginning and 46.3 MB in the end (delta: 54.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 437.32 ms. Allocated memory is still 65.0 MB. Free memory was 47.4 MB in the beginning and 45.6 MB in the end (delta: 1.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 70.08 ms. Allocated memory is still 65.0 MB. Free memory was 45.6 MB in the beginning and 43.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 114.90 ms. Allocated memory is still 65.0 MB. Free memory was 43.4 MB in the beginning and 41.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 15665.03 ms. Allocated memory is still 65.0 MB. Free memory was 41.6 MB in the beginning and 47.9 MB in the end (delta: -6.3 MB). Peak memory consumption was 19.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 60802.75 ms. Allocated memory is still 65.0 MB. Free memory was 47.2 MB in the beginning and 25.2 MB in the end (delta: 22.1 MB). Peak memory consumption was 22.1 MB. Max. memory is 16.1 GB. * Witness Printer took 130.01 ms. Allocated memory is still 65.0 MB. Free memory was 25.2 MB in the beginning and 45.7 MB in the end (delta: -20.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation 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 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 * 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: 123]: 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, 33 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 60698.3ms, OverallIterations: 3, TraceHistogramMax: 1, EmptinessCheckTime: 13.3ms, AutomataDifference: 30654.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 406.6ms, InitialAbstractionConstructionTime: 11.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 73 SDtfs, 47 SDslu, 191 SDs, 0 SdLazy, 91 SolverSat, 6 SolverUnsat, 12 SolverUnknown, 0 SolverNotchecked, 28916.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 77 GetRequests, 54 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 6050.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=33occurred in iteration=0, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 41.2ms AutomataMinimizationTime, 3 MinimizatonAttempts, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 12 NumberOfFragments, 144 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 62.8ms HoareSimplificationTime, 7 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 337.1ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 82.9ms SsaConstructionTime, 1976.2ms SatisfiabilityAnalysisTime, 26606.1ms InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 70 ConstructedInterpolants, 8 QuantifiedInterpolants, 413 SizeOfPredicates, 15 NumberOfNonLiveVariables, 180 ConjunctsInSsa, 22 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: 17]: Loop Invariant [2021-10-13 07:05:58,353 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:05:58,353 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:05:58,354 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:05:58,355 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:05:58,356 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:05:58,356 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:05:58,356 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:05:58,356 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:05:58,357 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:05:58,365 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:05:58,365 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:05:58,365 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:05:58,366 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:05:58,366 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:05:58,366 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:05:58,366 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:05:58,368 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:05:58,368 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (((~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7))), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) == x && ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7))), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) == \result) && two25_log == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3.3554432E7))) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE()) == zero_log) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 112]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 34]: Loop Invariant [2021-10-13 07:05:58,373 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:05:58,373 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:05:58,373 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:05:58,373 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:05:58,374 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:05:58,375 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:05:58,375 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:05:58,375 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:05:58,376 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:05:58,376 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7))), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) == \result && two25_log == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3.3554432E7))) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE()) == zero_log) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 15]: Loop Invariant [2021-10-13 07:05:58,377 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:05:58,377 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:05:58,377 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:05:58,378 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:05:58,378 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:05:58,378 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:05:58,378 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:05:58,379 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:05:58,379 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:05:58,381 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:05:58,381 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:05:58,381 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:05:58,381 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:05:58,382 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:05:58,382 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:05:58,382 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:05:58,382 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:05:58,383 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (((((~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7))), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) == x && ~bvand32(2147483647bv32, ix) == 2139095040bv32) && ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7))), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) == \result) && two25_log == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3.3554432E7))) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE()) == zero_log) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && \result == 1bv32 - InvariantResult [Line: 38]: Loop Invariant [2021-10-13 07:05:58,384 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 07:05:58,385 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((two25_log == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3.3554432E7)) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE()) == zero_log) && ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) == x) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven RESULT: Ultimate proved your program to be correct! [2021-10-13 07:05:58,486 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b3257c8-b412-47ac-9d61-9bdbe47d635e/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...