./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1092d.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3690af23-b8cc-454c-ada2-93175bbd3411/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3690af23-b8cc-454c-ada2-93175bbd3411/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3690af23-b8cc-454c-ada2-93175bbd3411/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3690af23-b8cc-454c-ada2-93175bbd3411/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1092d.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3690af23-b8cc-454c-ada2-93175bbd3411/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3690af23-b8cc-454c-ada2-93175bbd3411/bin/utaipan-SDwSMHVbGG --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 e19935633e394bb6492032fcd7d527ec5c122487e90b0c79abdb6dfbdef24c42 ..................................................................................................................................................................................................................................................................................................................... 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_3690af23-b8cc-454c-ada2-93175bbd3411/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3690af23-b8cc-454c-ada2-93175bbd3411/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3690af23-b8cc-454c-ada2-93175bbd3411/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3690af23-b8cc-454c-ada2-93175bbd3411/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1092d.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3690af23-b8cc-454c-ada2-93175bbd3411/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3690af23-b8cc-454c-ada2-93175bbd3411/bin/utaipan-SDwSMHVbGG --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 e19935633e394bb6492032fcd7d527ec5c122487e90b0c79abdb6dfbdef24c42 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 05:33:02,008 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:33:02,010 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:33:02,047 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:33:02,048 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:33:02,049 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:33:02,051 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:33:02,054 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:33:02,056 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:33:02,058 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:33:02,059 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:33:02,061 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:33:02,061 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:33:02,063 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:33:02,065 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:33:02,066 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:33:02,067 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:33:02,069 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:33:02,071 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:33:02,074 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:33:02,076 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:33:02,078 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:33:02,080 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:33:02,081 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:33:02,086 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:33:02,086 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:33:02,087 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:33:02,088 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:33:02,089 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:33:02,090 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:33:02,091 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:33:02,092 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:33:02,093 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:33:02,094 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:33:02,095 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:33:02,096 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:33:02,097 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:33:02,097 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:33:02,098 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:33:02,099 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:33:02,100 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:33:02,101 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3690af23-b8cc-454c-ada2-93175bbd3411/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-29 05:33:02,136 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:33:02,136 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:33:02,137 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:33:02,137 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:33:02,138 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:33:02,138 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:33:02,138 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-29 05:33:02,138 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:33:02,152 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:33:02,152 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-29 05:33:02,152 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-29 05:33:02,153 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:33:02,153 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-29 05:33:02,153 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-29 05:33:02,153 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-29 05:33:02,154 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:33:02,154 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 05:33:02,155 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 05:33:02,155 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 05:33:02,155 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:33:02,155 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 05:33:02,155 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:33:02,156 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 05:33:02,156 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:33:02,156 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 05:33:02,156 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 05:33:02,156 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:33:02,157 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 05:33:02,157 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:33:02,157 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:33:02,157 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:33:02,158 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:33:02,158 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:33:02,158 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 05:33:02,158 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-29 05:33:02,158 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 05:33:02,159 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 05:33:02,159 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:33:02,159 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:33:02,159 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_3690af23-b8cc-454c-ada2-93175bbd3411/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3690af23-b8cc-454c-ada2-93175bbd3411/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e19935633e394bb6492032fcd7d527ec5c122487e90b0c79abdb6dfbdef24c42 [2021-10-29 05:33:02,542 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:33:02,581 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:33:02,585 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:33:02,586 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:33:02,587 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:33:02,588 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3690af23-b8cc-454c-ada2-93175bbd3411/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/float-newlib/float_req_bl_1092d.c [2021-10-29 05:33:02,671 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3690af23-b8cc-454c-ada2-93175bbd3411/bin/utaipan-SDwSMHVbGG/data/2b2e08329/67e7531c571e442a93d14b6081c3e02e/FLAG8bad72c42 [2021-10-29 05:33:03,161 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:33:03,162 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3690af23-b8cc-454c-ada2-93175bbd3411/sv-benchmarks/c/float-newlib/float_req_bl_1092d.c [2021-10-29 05:33:03,170 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3690af23-b8cc-454c-ada2-93175bbd3411/bin/utaipan-SDwSMHVbGG/data/2b2e08329/67e7531c571e442a93d14b6081c3e02e/FLAG8bad72c42 [2021-10-29 05:33:03,519 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3690af23-b8cc-454c-ada2-93175bbd3411/bin/utaipan-SDwSMHVbGG/data/2b2e08329/67e7531c571e442a93d14b6081c3e02e [2021-10-29 05:33:03,522 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:33:03,524 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:33:03,532 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:33:03,532 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:33:03,536 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:33:03,537 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:33:03" (1/1) ... [2021-10-29 05:33:03,538 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@604eace7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:33:03, skipping insertion in model container [2021-10-29 05:33:03,538 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:33:03" (1/1) ... [2021-10-29 05:33:03,548 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:33:03,567 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:33:03,779 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_3690af23-b8cc-454c-ada2-93175bbd3411/sv-benchmarks/c/float-newlib/float_req_bl_1092d.c[1790,1803] [2021-10-29 05:33:03,782 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:33:03,792 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 05:33:03,821 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_3690af23-b8cc-454c-ada2-93175bbd3411/sv-benchmarks/c/float-newlib/float_req_bl_1092d.c[1790,1803] [2021-10-29 05:33:03,823 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:33:03,840 INFO L208 MainTranslator]: Completed translation [2021-10-29 05:33:03,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:33:03 WrapperNode [2021-10-29 05:33:03,841 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:33:03,842 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 05:33:03,843 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 05:33:03,843 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 05:33:03,851 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:33:03" (1/1) ... [2021-10-29 05:33:03,860 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:33:03" (1/1) ... [2021-10-29 05:33:03,885 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 05:33:03,885 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 05:33:03,886 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 05:33:03,886 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 05:33:03,895 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:33:03" (1/1) ... [2021-10-29 05:33:03,896 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:33:03" (1/1) ... [2021-10-29 05:33:03,899 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:33:03" (1/1) ... [2021-10-29 05:33:03,899 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:33:03" (1/1) ... [2021-10-29 05:33:03,907 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:33:03" (1/1) ... [2021-10-29 05:33:03,911 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:33:03" (1/1) ... [2021-10-29 05:33:03,913 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:33:03" (1/1) ... [2021-10-29 05:33:03,916 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 05:33:03,917 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 05:33:03,917 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 05:33:03,917 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 05:33:03,919 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:33:03" (1/1) ... [2021-10-29 05:33:03,927 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:33:03,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3690af23-b8cc-454c-ada2-93175bbd3411/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 05:33:03,955 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3690af23-b8cc-454c-ada2-93175bbd3411/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-29 05:33:03,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3690af23-b8cc-454c-ada2-93175bbd3411/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-29 05:33:04,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 05:33:04,001 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 05:33:04,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-10-29 05:33:04,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-29 05:33:04,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-10-29 05:33:04,002 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 05:33:04,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 05:33:04,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-29 05:33:04,002 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-29 05:33:04,601 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 05:33:04,601 INFO L299 CfgBuilder]: Removed 14 assume(true) statements. [2021-10-29 05:33:04,604 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:33:04 BoogieIcfgContainer [2021-10-29 05:33:04,605 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 05:33:04,607 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-29 05:33:04,607 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-29 05:33:04,611 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-29 05:33:04,612 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 05:33:03" (1/3) ... [2021-10-29 05:33:04,613 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20b2008b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:33:04, skipping insertion in model container [2021-10-29 05:33:04,613 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:33:03" (2/3) ... [2021-10-29 05:33:04,614 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20b2008b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:33:04, skipping insertion in model container [2021-10-29 05:33:04,614 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:33:04" (3/3) ... [2021-10-29 05:33:04,616 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1092d.c [2021-10-29 05:33:04,623 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-29 05:33:04,623 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-29 05:33:04,682 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-29 05:33:04,690 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, mAutomataTypeConcurrency=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 [2021-10-29 05:33:04,690 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-29 05:33:04,706 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 17 states have (on average 1.6470588235294117) internal successors, (28), 18 states have internal predecessors, (28), 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) [2021-10-29 05:33:04,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 05:33:04,713 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:33:04,713 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:33:04,714 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:33:04,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:33:04,721 INFO L85 PathProgramCache]: Analyzing trace with hash 391450360, now seen corresponding path program 1 times [2021-10-29 05:33:04,733 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-29 05:33:04,736 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78769028] [2021-10-29 05:33:04,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:33:04,739 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 05:33:04,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:33:04,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:33:04,900 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-29 05:33:04,901 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78769028] [2021-10-29 05:33:04,902 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [78769028] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 05:33:04,902 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:33:04,902 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-29 05:33:04,904 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239154304] [2021-10-29 05:33:04,910 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-29 05:33:04,911 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-29 05:33:04,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-29 05:33:04,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-29 05:33:04,930 INFO L87 Difference]: Start difference. First operand has 19 states, 17 states have (on average 1.6470588235294117) internal successors, (28), 18 states have internal predecessors, (28), 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) [2021-10-29 05:33:04,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:33:04,948 INFO L93 Difference]: Finished difference Result 37 states and 55 transitions. [2021-10-29 05:33:04,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 05:33:04,950 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 [2021-10-29 05:33:04,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:33:04,960 INFO L225 Difference]: With dead ends: 37 [2021-10-29 05:33:04,960 INFO L226 Difference]: Without dead ends: 17 [2021-10-29 05:33:04,963 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-29 05:33:04,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2021-10-29 05:33:04,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2021-10-29 05:33:04,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 16 states have (on average 1.1875) internal successors, (19), 16 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) [2021-10-29 05:33:04,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2021-10-29 05:33:05,000 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 19 transitions. Word has length 9 [2021-10-29 05:33:05,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:33:05,001 INFO L470 AbstractCegarLoop]: Abstraction has 17 states and 19 transitions. [2021-10-29 05:33:05,001 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) [2021-10-29 05:33:05,001 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2021-10-29 05:33:05,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-29 05:33:05,002 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:33:05,003 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:33:05,003 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-29 05:33:05,003 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:33:05,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:33:05,005 INFO L85 PathProgramCache]: Analyzing trace with hash 1669256746, now seen corresponding path program 1 times [2021-10-29 05:33:05,005 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-29 05:33:05,005 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327299448] [2021-10-29 05:33:05,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:33:05,006 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 05:33:05,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 05:33:05,125 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 05:33:05,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 05:33:05,298 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-10-29 05:33:05,303 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-10-29 05:33:05,306 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:33:05,308 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-29 05:33:05,312 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1] [2021-10-29 05:33:05,317 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-29 05:33:05,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 05:33:05 BoogieIcfgContainer [2021-10-29 05:33:05,361 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-29 05:33:05,364 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 05:33:05,364 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 05:33:05,364 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 05:33:05,365 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:33:04" (3/4) ... [2021-10-29 05:33:05,369 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-29 05:33:05,369 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 05:33:05,372 INFO L168 Benchmark]: Toolchain (without parser) took 1846.18 ms. Allocated memory was 104.9 MB in the beginning and 125.8 MB in the end (delta: 21.0 MB). Free memory was 62.9 MB in the beginning and 96.7 MB in the end (delta: -33.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:33:05,373 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 104.9 MB. Free memory was 78.9 MB in the beginning and 78.9 MB in the end (delta: 61.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:33:05,375 INFO L168 Benchmark]: CACSL2BoogieTranslator took 309.63 ms. Allocated memory is still 104.9 MB. Free memory was 62.7 MB in the beginning and 78.0 MB in the end (delta: -15.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 05:33:05,378 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.55 ms. Allocated memory is still 104.9 MB. Free memory was 78.0 MB in the beginning and 76.2 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 05:33:05,383 INFO L168 Benchmark]: Boogie Preprocessor took 30.84 ms. Allocated memory is still 104.9 MB. Free memory was 76.2 MB in the beginning and 75.1 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:33:05,385 INFO L168 Benchmark]: RCFGBuilder took 687.72 ms. Allocated memory is still 104.9 MB. Free memory was 74.8 MB in the beginning and 58.6 MB in the end (delta: 16.2 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-29 05:33:05,385 INFO L168 Benchmark]: TraceAbstraction took 755.56 ms. Allocated memory was 104.9 MB in the beginning and 125.8 MB in the end (delta: 21.0 MB). Free memory was 58.3 MB in the beginning and 96.7 MB in the end (delta: -38.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:33:05,386 INFO L168 Benchmark]: Witness Printer took 5.38 ms. Allocated memory is still 125.8 MB. Free memory is still 96.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:33:05,394 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 104.9 MB. Free memory was 78.9 MB in the beginning and 78.9 MB in the end (delta: 61.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 309.63 ms. Allocated memory is still 104.9 MB. Free memory was 62.7 MB in the beginning and 78.0 MB in the end (delta: -15.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 42.55 ms. Allocated memory is still 104.9 MB. Free memory was 78.0 MB in the beginning and 76.2 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 30.84 ms. Allocated memory is still 104.9 MB. Free memory was 76.2 MB in the beginning and 75.1 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 687.72 ms. Allocated memory is still 104.9 MB. Free memory was 74.8 MB in the beginning and 58.6 MB in the end (delta: 16.2 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 755.56 ms. Allocated memory was 104.9 MB in the beginning and 125.8 MB in the end (delta: 21.0 MB). Free memory was 58.3 MB in the beginning and 96.7 MB in the end (delta: -38.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 5.38 ms. Allocated memory is still 125.8 MB. Free memory is still 96.7 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, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 83]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryArithmeticFLOAToperation at line 46, overapproximation of bitwiseAnd at line 66. Possible FailurePath: [L13] static const float huge_ceil = 1.0e30; [L78] float x = -1.0f / 0.0f; [L16] __int32_t i0, j0; [L17] __uint32_t i, ix; VAL [huge_ceil=1000000000000000000000000000000] [L19] ieee_float_shape_type gf_u; [L20] gf_u.value = (x) [L21] EXPR gf_u.word [L21] (i0) = gf_u.word [L23] ix = (i0 & 0x7fffffff) [L24] j0 = (ix >> 23) - 0x7f VAL [huge_ceil=1000000000000000000000000000000] [L25] COND FALSE !(j0 < 23) [L45] COND TRUE !((ix) < 0x7f800000L) [L46] return x + x; VAL [huge_ceil=1000000000000000000000000000000] [L79] float res = ceil_float(x); [L60] __int32_t ix; VAL [huge_ceil=1000000000000000000000000000000] [L62] ieee_float_shape_type gf_u; [L63] gf_u.value = (x) [L64] EXPR gf_u.word [L64] (ix) = gf_u.word [L66] ix &= 0x7fffffff [L67] return ((ix) == 0x7f800000L); [L82] COND TRUE !isinf_float(res) [L83] reach_error() VAL [huge_ceil=1000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 19 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 21 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 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 [2021-10-29 05:33:05,464 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3690af23-b8cc-454c-ada2-93175bbd3411/bin/utaipan-SDwSMHVbGG/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-b2eff8b [2021-10-29 05:33:08,262 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:33:08,265 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:33:08,307 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:33:08,307 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:33:08,309 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:33:08,311 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:33:08,314 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:33:08,321 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:33:08,323 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:33:08,325 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:33:08,329 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:33:08,330 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:33:08,339 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:33:08,341 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:33:08,344 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:33:08,347 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:33:08,350 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:33:08,356 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:33:08,365 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:33:08,371 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:33:08,373 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:33:08,374 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:33:08,377 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:33:08,382 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:33:08,384 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:33:08,384 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:33:08,387 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:33:08,387 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:33:08,389 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:33:08,390 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:33:08,391 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:33:08,394 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:33:08,395 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:33:08,396 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:33:08,397 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:33:08,398 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:33:08,398 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:33:08,399 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:33:08,401 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:33:08,402 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:33:08,408 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3690af23-b8cc-454c-ada2-93175bbd3411/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-29 05:33:08,464 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:33:08,465 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:33:08,467 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:33:08,467 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:33:08,467 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:33:08,468 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:33:08,468 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:33:08,468 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:33:08,468 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:33:08,470 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:33:08,472 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 05:33:08,472 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 05:33:08,472 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:33:08,473 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 05:33:08,473 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:33:08,473 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 05:33:08,473 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:33:08,474 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-29 05:33:08,474 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-29 05:33:08,474 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 05:33:08,475 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 05:33:08,475 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:33:08,475 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 05:33:08,475 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:33:08,476 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-29 05:33:08,476 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:33:08,476 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:33:08,477 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:33:08,478 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:33:08,478 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 05:33:08,478 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-29 05:33:08,479 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-29 05:33:08,479 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 05:33:08,479 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:33:08,480 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:33:08,480 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_3690af23-b8cc-454c-ada2-93175bbd3411/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3690af23-b8cc-454c-ada2-93175bbd3411/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e19935633e394bb6492032fcd7d527ec5c122487e90b0c79abdb6dfbdef24c42 [2021-10-29 05:33:08,948 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:33:08,987 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:33:08,989 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:33:08,991 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:33:08,993 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:33:08,994 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3690af23-b8cc-454c-ada2-93175bbd3411/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/float-newlib/float_req_bl_1092d.c [2021-10-29 05:33:09,070 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3690af23-b8cc-454c-ada2-93175bbd3411/bin/utaipan-SDwSMHVbGG/data/1a79b974d/df3013149947454bbfdf26db7142e43b/FLAG7fd44e5a4 [2021-10-29 05:33:09,688 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:33:09,692 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3690af23-b8cc-454c-ada2-93175bbd3411/sv-benchmarks/c/float-newlib/float_req_bl_1092d.c [2021-10-29 05:33:09,702 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3690af23-b8cc-454c-ada2-93175bbd3411/bin/utaipan-SDwSMHVbGG/data/1a79b974d/df3013149947454bbfdf26db7142e43b/FLAG7fd44e5a4 [2021-10-29 05:33:10,014 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3690af23-b8cc-454c-ada2-93175bbd3411/bin/utaipan-SDwSMHVbGG/data/1a79b974d/df3013149947454bbfdf26db7142e43b [2021-10-29 05:33:10,018 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:33:10,020 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:33:10,022 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:33:10,023 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:33:10,027 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:33:10,028 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:33:10" (1/1) ... [2021-10-29 05:33:10,029 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67fa8a44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:33:10, skipping insertion in model container [2021-10-29 05:33:10,030 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:33:10" (1/1) ... [2021-10-29 05:33:10,039 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:33:10,057 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:33:10,246 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_3690af23-b8cc-454c-ada2-93175bbd3411/sv-benchmarks/c/float-newlib/float_req_bl_1092d.c[1790,1803] [2021-10-29 05:33:10,250 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:33:10,279 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 05:33:10,311 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_3690af23-b8cc-454c-ada2-93175bbd3411/sv-benchmarks/c/float-newlib/float_req_bl_1092d.c[1790,1803] [2021-10-29 05:33:10,319 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:33:10,358 INFO L208 MainTranslator]: Completed translation [2021-10-29 05:33:10,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:33:10 WrapperNode [2021-10-29 05:33:10,359 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:33:10,360 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 05:33:10,361 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 05:33:10,361 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 05:33:10,369 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:33:10" (1/1) ... [2021-10-29 05:33:10,400 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:33:10" (1/1) ... [2021-10-29 05:33:10,448 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 05:33:10,450 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 05:33:10,450 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 05:33:10,450 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 05:33:10,460 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:33:10" (1/1) ... [2021-10-29 05:33:10,460 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:33:10" (1/1) ... [2021-10-29 05:33:10,477 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:33:10" (1/1) ... [2021-10-29 05:33:10,478 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:33:10" (1/1) ... [2021-10-29 05:33:10,503 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:33:10" (1/1) ... [2021-10-29 05:33:10,510 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:33:10" (1/1) ... [2021-10-29 05:33:10,516 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:33:10" (1/1) ... [2021-10-29 05:33:10,526 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 05:33:10,532 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 05:33:10,533 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 05:33:10,533 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 05:33:10,534 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:33:10" (1/1) ... [2021-10-29 05:33:10,542 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:33:10,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3690af23-b8cc-454c-ada2-93175bbd3411/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 05:33:10,572 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3690af23-b8cc-454c-ada2-93175bbd3411/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-29 05:33:10,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3690af23-b8cc-454c-ada2-93175bbd3411/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-29 05:33:10,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-29 05:33:10,635 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 05:33:10,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2021-10-29 05:33:10,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-29 05:33:10,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 05:33:10,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 05:33:10,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2021-10-29 05:33:10,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-29 05:33:10,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-29 05:33:11,476 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 05:33:11,477 INFO L299 CfgBuilder]: Removed 14 assume(true) statements. [2021-10-29 05:33:11,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:33:11 BoogieIcfgContainer [2021-10-29 05:33:11,480 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 05:33:11,482 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-29 05:33:11,483 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-29 05:33:11,486 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-29 05:33:11,487 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 05:33:10" (1/3) ... [2021-10-29 05:33:11,488 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d0265f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:33:11, skipping insertion in model container [2021-10-29 05:33:11,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:33:10" (2/3) ... [2021-10-29 05:33:11,489 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d0265f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:33:11, skipping insertion in model container [2021-10-29 05:33:11,489 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:33:11" (3/3) ... [2021-10-29 05:33:11,495 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1092d.c [2021-10-29 05:33:11,502 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-29 05:33:11,503 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-29 05:33:11,585 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-29 05:33:11,604 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, mAutomataTypeConcurrency=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 [2021-10-29 05:33:11,607 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-29 05:33:11,624 INFO L276 IsEmpty]: Start isEmpty. Operand has 29 states, 27 states have (on average 1.6296296296296295) internal successors, (44), 28 states have internal predecessors, (44), 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) [2021-10-29 05:33:11,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-29 05:33:11,656 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:33:11,657 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:33:11,658 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:33:11,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:33:11,666 INFO L85 PathProgramCache]: Analyzing trace with hash -2064187560, now seen corresponding path program 1 times [2021-10-29 05:33:11,681 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:33:11,683 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2115292600] [2021-10-29 05:33:11,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:33:11,684 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:33:11,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3690af23-b8cc-454c-ada2-93175bbd3411/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:33:11,689 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3690af23-b8cc-454c-ada2-93175bbd3411/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:33:11,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3690af23-b8cc-454c-ada2-93175bbd3411/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-29 05:33:11,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:33:11,905 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-29 05:33:11,910 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:33:12,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:33:12,017 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:33:12,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:33:12,065 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:33:12,065 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2115292600] [2021-10-29 05:33:12,066 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2115292600] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:33:12,066 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:33:12,067 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-29 05:33:12,068 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432201829] [2021-10-29 05:33:12,073 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-29 05:33:12,073 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:33:12,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-29 05:33:12,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-29 05:33:12,091 INFO L87 Difference]: Start difference. First operand has 29 states, 27 states have (on average 1.6296296296296295) internal successors, (44), 28 states have internal predecessors, (44), 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 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:33:12,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:33:12,110 INFO L93 Difference]: Finished difference Result 56 states and 86 transitions. [2021-10-29 05:33:12,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 05:33:12,111 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-10-29 05:33:12,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:33:12,120 INFO L225 Difference]: With dead ends: 56 [2021-10-29 05:33:12,121 INFO L226 Difference]: Without dead ends: 26 [2021-10-29 05:33:12,124 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-29 05:33:12,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2021-10-29 05:33:12,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2021-10-29 05:33:12,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 25 states have (on average 1.36) internal successors, (34), 25 states have internal predecessors, (34), 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) [2021-10-29 05:33:12,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 34 transitions. [2021-10-29 05:33:12,158 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 34 transitions. Word has length 12 [2021-10-29 05:33:12,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:33:12,158 INFO L470 AbstractCegarLoop]: Abstraction has 26 states and 34 transitions. [2021-10-29 05:33:12,159 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:33:12,159 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 34 transitions. [2021-10-29 05:33:12,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-29 05:33:12,160 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:33:12,160 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:33:12,174 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3690af23-b8cc-454c-ada2-93175bbd3411/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-10-29 05:33:12,374 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3690af23-b8cc-454c-ada2-93175bbd3411/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:33:12,375 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:33:12,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:33:12,380 INFO L85 PathProgramCache]: Analyzing trace with hash -1026834198, now seen corresponding path program 1 times [2021-10-29 05:33:12,383 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:33:12,383 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [627851880] [2021-10-29 05:33:12,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:33:12,384 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:33:12,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3690af23-b8cc-454c-ada2-93175bbd3411/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:33:12,386 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3690af23-b8cc-454c-ada2-93175bbd3411/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:33:12,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3690af23-b8cc-454c-ada2-93175bbd3411/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-29 05:33:12,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:33:12,561 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-29 05:33:12,564 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:33:12,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:33:12,952 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:33:13,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:33:13,164 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:33:13,164 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [627851880] [2021-10-29 05:33:13,165 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [627851880] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:33:13,165 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:33:13,165 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-29 05:33:13,165 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121714315] [2021-10-29 05:33:13,167 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-29 05:33:13,167 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:33:13,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-29 05:33:13,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-29 05:33:13,168 INFO L87 Difference]: Start difference. First operand 26 states and 34 transitions. Second operand has 8 states, 8 states have (on average 2.5) internal successors, (20), 8 states have internal predecessors, (20), 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) [2021-10-29 05:33:13,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:33:13,554 INFO L93 Difference]: Finished difference Result 37 states and 44 transitions. [2021-10-29 05:33:13,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-29 05:33:13,555 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.5) internal successors, (20), 8 states have internal predecessors, (20), 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 [2021-10-29 05:33:13,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:33:13,556 INFO L225 Difference]: With dead ends: 37 [2021-10-29 05:33:13,556 INFO L226 Difference]: Without dead ends: 22 [2021-10-29 05:33:13,557 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-10-29 05:33:13,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2021-10-29 05:33:13,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2021-10-29 05:33:13,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 21 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) [2021-10-29 05:33:13,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 24 transitions. [2021-10-29 05:33:13,562 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 24 transitions. Word has length 14 [2021-10-29 05:33:13,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:33:13,563 INFO L470 AbstractCegarLoop]: Abstraction has 22 states and 24 transitions. [2021-10-29 05:33:13,563 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.5) internal successors, (20), 8 states have internal predecessors, (20), 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) [2021-10-29 05:33:13,563 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2021-10-29 05:33:13,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-29 05:33:13,564 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:33:13,564 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:33:13,588 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3690af23-b8cc-454c-ada2-93175bbd3411/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-29 05:33:13,779 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3690af23-b8cc-454c-ada2-93175bbd3411/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:33:13,780 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:33:13,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:33:13,781 INFO L85 PathProgramCache]: Analyzing trace with hash -217487572, now seen corresponding path program 1 times [2021-10-29 05:33:13,781 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:33:13,782 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1021550680] [2021-10-29 05:33:13,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:33:13,782 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:33:13,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3690af23-b8cc-454c-ada2-93175bbd3411/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:33:13,783 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3690af23-b8cc-454c-ada2-93175bbd3411/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:33:13,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3690af23-b8cc-454c-ada2-93175bbd3411/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-29 05:33:13,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:33:13,977 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 15 conjunts are in the unsatisfiable core [2021-10-29 05:33:13,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:33:14,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:33:14,308 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:33:16,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:33:16,292 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:33:16,292 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1021550680] [2021-10-29 05:33:16,292 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1021550680] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:33:16,292 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:33:16,293 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 15 [2021-10-29 05:33:16,293 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471358034] [2021-10-29 05:33:16,294 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-29 05:33:16,294 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:33:16,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-29 05:33:16,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2021-10-29 05:33:16,296 INFO L87 Difference]: Start difference. First operand 22 states and 24 transitions. Second operand has 15 states, 15 states have (on average 1.8) internal successors, (27), 15 states have internal predecessors, (27), 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) [2021-10-29 05:33:17,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:33:17,212 INFO L93 Difference]: Finished difference Result 30 states and 31 transitions. [2021-10-29 05:33:17,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-29 05:33:17,214 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 1.8) internal successors, (27), 15 states have internal predecessors, (27), 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 [2021-10-29 05:33:17,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:33:17,215 INFO L225 Difference]: With dead ends: 30 [2021-10-29 05:33:17,216 INFO L226 Difference]: Without dead ends: 21 [2021-10-29 05:33:17,217 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=95, Invalid=285, Unknown=0, NotChecked=0, Total=380 [2021-10-29 05:33:17,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2021-10-29 05:33:17,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2021-10-29 05:33:17,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 20 states have (on average 1.05) internal successors, (21), 20 states have internal predecessors, (21), 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) [2021-10-29 05:33:17,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2021-10-29 05:33:17,228 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 14 [2021-10-29 05:33:17,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:33:17,229 INFO L470 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2021-10-29 05:33:17,229 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 1.8) internal successors, (27), 15 states have internal predecessors, (27), 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) [2021-10-29 05:33:17,229 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2021-10-29 05:33:17,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-29 05:33:17,232 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:33:17,233 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:33:17,258 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3690af23-b8cc-454c-ada2-93175bbd3411/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-29 05:33:17,451 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3690af23-b8cc-454c-ada2-93175bbd3411/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:33:17,452 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:33:17,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:33:17,452 INFO L85 PathProgramCache]: Analyzing trace with hash 1158240359, now seen corresponding path program 1 times [2021-10-29 05:33:17,453 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:33:17,453 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1430543473] [2021-10-29 05:33:17,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:33:17,454 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:33:17,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3690af23-b8cc-454c-ada2-93175bbd3411/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:33:17,457 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3690af23-b8cc-454c-ada2-93175bbd3411/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:33:17,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3690af23-b8cc-454c-ada2-93175bbd3411/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-29 05:33:17,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:33:17,649 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-29 05:33:17,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:33:17,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:33:17,838 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:33:18,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:33:18,070 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:33:18,070 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1430543473] [2021-10-29 05:33:18,070 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1430543473] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:33:18,070 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:33:18,071 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-29 05:33:18,071 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511353102] [2021-10-29 05:33:18,072 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-29 05:33:18,072 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:33:18,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-29 05:33:18,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-29 05:33:18,073 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:33:18,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:33:18,202 INFO L93 Difference]: Finished difference Result 21 states and 21 transitions. [2021-10-29 05:33:18,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-29 05:33:18,203 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-10-29 05:33:18,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:33:18,203 INFO L225 Difference]: With dead ends: 21 [2021-10-29 05:33:18,203 INFO L226 Difference]: Without dead ends: 0 [2021-10-29 05:33:18,204 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-10-29 05:33:18,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-29 05:33:18,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-29 05:33:18,205 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) [2021-10-29 05:33:18,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-29 05:33:18,205 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2021-10-29 05:33:18,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:33:18,206 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-29 05:33:18,206 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:33:18,206 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-29 05:33:18,206 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 05:33:18,209 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:33:18,230 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3690af23-b8cc-454c-ada2-93175bbd3411/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-29 05:33:18,419 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3690af23-b8cc-454c-ada2-93175bbd3411/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:33:18,422 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-29 05:33:18,425 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:33:18,478 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:33:18,482 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:33:18,483 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:33:18,490 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:33:18,916 INFO L857 garLoopResultBuilder]: For program point L27(lines 27 33) no Hoare annotation was computed. [2021-10-29 05:33:18,916 INFO L857 garLoopResultBuilder]: For program point L36(lines 36 37) no Hoare annotation was computed. [2021-10-29 05:33:18,916 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-29 05:33:18,917 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-29 05:33:18,917 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-29 05:33:18,917 INFO L857 garLoopResultBuilder]: For program point L28(lines 28 32) no Hoare annotation was computed. [2021-10-29 05:33:18,918 INFO L857 garLoopResultBuilder]: For program point L61-1(lines 61 65) no Hoare annotation was computed. [2021-10-29 05:33:18,918 INFO L853 garLoopResultBuilder]: At program point L61-2(lines 61 65) the Hoare annotation is: (let ((.cse0 (let ((.cse1 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24)))) (fp.add roundNearestTiesToEven .cse1 .cse1)))) (and (= .cse0 |ULTIMATE.start_ceil_float_#res|) (= .cse0 ULTIMATE.start_isinf_float_~x) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)))) (exists ((ULTIMATE.start_ceil_float_~i0~0 (_ BitVec 32))) (and (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)))) (= (bvand (_ bv2147483647 32) ULTIMATE.start_ceil_float_~i0~0) ULTIMATE.start_ceil_float_~ix~0))) (= ULTIMATE.start_ceil_float_~x (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24))) (= currentRoundingMode roundNearestTiesToEven))) [2021-10-29 05:33:18,918 INFO L857 garLoopResultBuilder]: For program point L61-3(lines 61 65) no Hoare annotation was computed. [2021-10-29 05:33:18,918 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 83) no Hoare annotation was computed. [2021-10-29 05:33:18,918 INFO L857 garLoopResultBuilder]: For program point L82(lines 82 85) no Hoare annotation was computed. [2021-10-29 05:33:18,919 INFO L857 garLoopResultBuilder]: For program point L45(lines 45 48) no Hoare annotation was computed. [2021-10-29 05:33:18,919 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-29 05:33:18,919 INFO L857 garLoopResultBuilder]: For program point L25(lines 25 49) no Hoare annotation was computed. [2021-10-29 05:33:18,919 INFO L860 garLoopResultBuilder]: At program point L87(lines 70 88) the Hoare annotation is: true [2021-10-29 05:33:18,919 INFO L857 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2021-10-29 05:33:18,919 INFO L857 garLoopResultBuilder]: For program point L50(lines 50 54) no Hoare annotation was computed. [2021-10-29 05:33:18,920 INFO L857 garLoopResultBuilder]: For program point L50-1(lines 15 56) no Hoare annotation was computed. [2021-10-29 05:33:18,920 INFO L857 garLoopResultBuilder]: For program point L50-2(lines 50 54) no Hoare annotation was computed. [2021-10-29 05:33:18,920 INFO L857 garLoopResultBuilder]: For program point L38(lines 38 42) no Hoare annotation was computed. [2021-10-29 05:33:18,920 INFO L853 garLoopResultBuilder]: At program point L67(lines 59 68) the Hoare annotation is: (let ((.cse0 (let ((.cse1 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24)))) (fp.add roundNearestTiesToEven .cse1 .cse1)))) (and (= .cse0 |ULTIMATE.start_ceil_float_#res|) (= .cse0 ULTIMATE.start_isinf_float_~x) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)))) (exists ((ULTIMATE.start_ceil_float_~i0~0 (_ BitVec 32))) (and (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)))) (= (bvand (_ bv2147483647 32) ULTIMATE.start_ceil_float_~i0~0) ULTIMATE.start_ceil_float_~ix~0))) (= ULTIMATE.start_ceil_float_~x (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24))) (= (bvand (_ bv2147483647 32) ULTIMATE.start_isinf_float_~ix~1) (_ bv2139095040 32)) (= currentRoundingMode roundNearestTiesToEven) (= |ULTIMATE.start_isinf_float_#res| (_ bv1 32)))) [2021-10-29 05:33:18,920 INFO L857 garLoopResultBuilder]: For program point L30(lines 30 32) no Hoare annotation was computed. [2021-10-29 05:33:18,920 INFO L857 garLoopResultBuilder]: For program point L26(lines 26 43) no Hoare annotation was computed. [2021-10-29 05:33:18,921 INFO L853 garLoopResultBuilder]: At program point L55(lines 15 56) the Hoare annotation is: (and (= (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24)))) (fp.add roundNearestTiesToEven .cse0 .cse0)) |ULTIMATE.start_ceil_float_#res|) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)))) (exists ((ULTIMATE.start_ceil_float_~i0~0 (_ BitVec 32))) (and (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)))) (= (bvand (_ bv2147483647 32) ULTIMATE.start_ceil_float_~i0~0) ULTIMATE.start_ceil_float_~ix~0))) (= ULTIMATE.start_ceil_float_~x (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24))) (= currentRoundingMode roundNearestTiesToEven)) [2021-10-29 05:33:18,921 INFO L857 garLoopResultBuilder]: For program point L18-1(lines 18 22) no Hoare annotation was computed. [2021-10-29 05:33:18,921 INFO L853 garLoopResultBuilder]: At program point L18-2(lines 18 22) the Hoare annotation is: (and (= ULTIMATE.start_ceil_float_~x (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24))) (= currentRoundingMode roundNearestTiesToEven)) [2021-10-29 05:33:18,921 INFO L857 garLoopResultBuilder]: For program point L18-3(lines 18 22) no Hoare annotation was computed. [2021-10-29 05:33:18,921 INFO L857 garLoopResultBuilder]: For program point L39(lines 39 40) no Hoare annotation was computed. [2021-10-29 05:33:18,921 INFO L857 garLoopResultBuilder]: For program point L39-2(lines 39 40) no Hoare annotation was computed. [2021-10-29 05:33:18,928 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2021-10-29 05:33:18,930 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-29 05:33:18,942 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:18,943 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:18,943 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:18,944 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:18,944 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:18,944 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:18,944 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:18,945 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:18,945 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:18,945 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:18,945 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-29 05:33:18,946 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-29 05:33:18,946 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-29 05:33:18,946 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-29 05:33:18,946 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2021-10-29 05:33:18,947 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2021-10-29 05:33:18,947 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2021-10-29 05:33:18,947 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2021-10-29 05:33:18,948 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:18,954 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:18,955 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:18,955 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:18,955 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:18,955 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:18,956 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:18,956 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:18,956 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:18,956 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:18,957 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:18,957 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-29 05:33:18,957 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-29 05:33:18,957 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-29 05:33:18,958 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-29 05:33:18,958 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2021-10-29 05:33:18,958 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2021-10-29 05:33:18,959 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2021-10-29 05:33:18,960 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2021-10-29 05:33:18,961 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:18,963 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:18,964 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:18,965 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:18,971 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:18,972 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:18,972 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:18,976 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:18,976 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:18,979 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:18,979 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:18,979 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:18,980 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:18,981 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-29 05:33:18,981 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-29 05:33:18,981 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-29 05:33:18,981 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-29 05:33:18,981 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2021-10-29 05:33:18,982 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2021-10-29 05:33:18,982 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2021-10-29 05:33:18,982 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2021-10-29 05:33:18,982 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:18,983 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:18,986 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:18,987 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:18,987 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:18,987 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:18,987 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:18,987 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:18,988 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:18,988 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:18,988 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:18,988 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-29 05:33:18,989 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-29 05:33:18,990 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-29 05:33:18,990 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-29 05:33:18,990 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2021-10-29 05:33:18,990 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2021-10-29 05:33:18,991 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2021-10-29 05:33:18,991 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2021-10-29 05:33:18,991 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:18,993 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:18,993 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:18,993 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:18,993 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:18,994 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:18,994 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-29 05:33:18,994 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-29 05:33:18,995 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-29 05:33:18,995 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-29 05:33:18,995 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2021-10-29 05:33:18,996 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2021-10-29 05:33:18,996 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2021-10-29 05:33:18,997 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2021-10-29 05:33:18,997 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:18,998 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:18,998 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:18,998 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:18,998 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:18,998 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:18,999 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-29 05:33:18,999 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-29 05:33:18,999 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-29 05:33:18,999 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-29 05:33:19,000 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2021-10-29 05:33:19,000 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2021-10-29 05:33:19,000 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2021-10-29 05:33:19,000 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2021-10-29 05:33:19,001 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:19,002 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 05:33:19 BoogieIcfgContainer [2021-10-29 05:33:19,002 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-29 05:33:19,003 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 05:33:19,005 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 05:33:19,005 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 05:33:19,005 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:33:11" (3/4) ... [2021-10-29 05:33:19,009 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 05:33:19,024 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2021-10-29 05:33:19,025 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-29 05:33:19,025 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 05:33:19,026 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 05:33:19,066 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) == \result && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]))) && (\exists ULTIMATE.start_ceil_float_~i0~0 : bv32 :: (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ULTIMATE.start_ceil_float_~i0~0[31:31], ULTIMATE.start_ceil_float_~i0~0[30:23], ULTIMATE.start_ceil_float_~i0~0[22:0])) && ~bvand32(2147483647bv32, ULTIMATE.start_ceil_float_~i0~0) == ix)) && x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2021-10-29 05:33:19,075 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) == \result && ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) == x) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]))) && (\exists ULTIMATE.start_ceil_float_~i0~0 : bv32 :: (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ULTIMATE.start_ceil_float_~i0~0[31:31], ULTIMATE.start_ceil_float_~i0~0[30:23], ULTIMATE.start_ceil_float_~i0~0[22:0])) && ~bvand32(2147483647bv32, ULTIMATE.start_ceil_float_~i0~0) == ix)) && x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2021-10-29 05:33:19,076 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) == \result && ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) == x) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]))) && (\exists ULTIMATE.start_ceil_float_~i0~0 : bv32 :: (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ULTIMATE.start_ceil_float_~i0~0[31:31], ULTIMATE.start_ceil_float_~i0~0[30:23], ULTIMATE.start_ceil_float_~i0~0[22:0])) && ~bvand32(2147483647bv32, ULTIMATE.start_ceil_float_~i0~0) == ix)) && x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE())) && ~bvand32(2147483647bv32, ix) == 2139095040bv32) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && \result == 1bv32 [2021-10-29 05:33:19,117 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3690af23-b8cc-454c-ada2-93175bbd3411/bin/utaipan-SDwSMHVbGG/witness.graphml [2021-10-29 05:33:19,117 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 05:33:19,120 INFO L168 Benchmark]: Toolchain (without parser) took 9097.97 ms. Allocated memory was 83.9 MB in the beginning and 102.8 MB in the end (delta: 18.9 MB). Free memory was 61.7 MB in the beginning and 63.1 MB in the end (delta: -1.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 16.1 GB. [2021-10-29 05:33:19,120 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 54.5 MB. Free memory is still 34.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:33:19,121 INFO L168 Benchmark]: CACSL2BoogieTranslator took 337.37 ms. Allocated memory is still 83.9 MB. Free memory was 61.5 MB in the beginning and 65.4 MB in the end (delta: -3.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 05:33:19,128 INFO L168 Benchmark]: Boogie Procedure Inliner took 87.88 ms. Allocated memory is still 83.9 MB. Free memory was 65.4 MB in the beginning and 63.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 05:33:19,131 INFO L168 Benchmark]: Boogie Preprocessor took 81.24 ms. Allocated memory is still 83.9 MB. Free memory was 63.7 MB in the beginning and 62.1 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:33:19,132 INFO L168 Benchmark]: RCFGBuilder took 948.63 ms. Allocated memory is still 83.9 MB. Free memory was 62.1 MB in the beginning and 49.8 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-29 05:33:19,132 INFO L168 Benchmark]: TraceAbstraction took 7519.77 ms. Allocated memory was 83.9 MB in the beginning and 102.8 MB in the end (delta: 18.9 MB). Free memory was 49.3 MB in the beginning and 66.5 MB in the end (delta: -17.2 MB). Peak memory consumption was 28.2 MB. Max. memory is 16.1 GB. [2021-10-29 05:33:19,133 INFO L168 Benchmark]: Witness Printer took 114.63 ms. Allocated memory is still 102.8 MB. Free memory was 66.5 MB in the beginning and 63.1 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 05:33:19,135 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 54.5 MB. Free memory is still 34.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 337.37 ms. Allocated memory is still 83.9 MB. Free memory was 61.5 MB in the beginning and 65.4 MB in the end (delta: -3.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 87.88 ms. Allocated memory is still 83.9 MB. Free memory was 65.4 MB in the beginning and 63.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 81.24 ms. Allocated memory is still 83.9 MB. Free memory was 63.7 MB in the beginning and 62.1 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 948.63 ms. Allocated memory is still 83.9 MB. Free memory was 62.1 MB in the beginning and 49.8 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 7519.77 ms. Allocated memory was 83.9 MB in the beginning and 102.8 MB in the end (delta: 18.9 MB). Free memory was 49.3 MB in the beginning and 66.5 MB in the end (delta: -17.2 MB). Peak memory consumption was 28.2 MB. Max. memory is 16.1 GB. * Witness Printer took 114.63 ms. Allocated memory is still 102.8 MB. Free memory was 66.5 MB in the beginning and 63.1 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 83]: 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, 29 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.3s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 69 SDtfs, 146 SDslu, 126 SDs, 0 SdLazy, 97 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 117 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29occurred in iteration=0, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 10 NumberOfFragments, 268 HoareAnnotationTreeSize, 5 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 40 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 58 NumberOfCodeBlocks, 58 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 108 ConstructedInterpolants, 18 QuantifiedInterpolants, 617 SizeOfPredicates, 28 NumberOfNonLiveVariables, 221 ConjunctsInSsa, 33 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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: 59]: Loop Invariant [2021-10-29 05:33:19,166 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:19,167 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:19,167 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:19,167 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:19,168 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:19,168 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:19,168 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:19,168 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:19,169 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:19,169 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:19,169 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-29 05:33:19,169 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-29 05:33:19,169 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-29 05:33:19,170 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-29 05:33:19,170 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2021-10-29 05:33:19,170 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2021-10-29 05:33:19,170 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2021-10-29 05:33:19,171 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2021-10-29 05:33:19,171 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:19,173 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:19,174 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:19,174 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:19,174 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:19,174 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:19,175 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:19,176 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:19,176 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:19,176 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:19,176 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:19,176 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-29 05:33:19,177 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-29 05:33:19,177 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-29 05:33:19,177 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-29 05:33:19,177 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2021-10-29 05:33:19,178 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2021-10-29 05:33:19,178 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2021-10-29 05:33:19,178 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2021-10-29 05:33:19,179 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((((((~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) == \result && ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) == x) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]))) && (\exists ULTIMATE.start_ceil_float_~i0~0 : bv32 :: (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ULTIMATE.start_ceil_float_~i0~0[31:31], ULTIMATE.start_ceil_float_~i0~0[30:23], ULTIMATE.start_ceil_float_~i0~0[22:0])) && ~bvand32(2147483647bv32, ULTIMATE.start_ceil_float_~i0~0) == ix)) && x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE())) && ~bvand32(2147483647bv32, ix) == 2139095040bv32) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && \result == 1bv32 - InvariantResult [Line: 18]: Loop Invariant [2021-10-29 05:33:19,181 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:19,181 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 61]: Loop Invariant [2021-10-29 05:33:19,183 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:19,183 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:19,183 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:19,183 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:19,184 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:19,184 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:19,184 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:19,184 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:19,184 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:19,185 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:19,185 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-29 05:33:19,185 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-29 05:33:19,185 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-29 05:33:19,185 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-29 05:33:19,186 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2021-10-29 05:33:19,186 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2021-10-29 05:33:19,186 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2021-10-29 05:33:19,186 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2021-10-29 05:33:19,186 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:19,187 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:19,188 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:19,188 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:19,188 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:19,188 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:19,188 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:19,189 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:19,189 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:19,189 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:19,189 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:19,189 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-29 05:33:19,190 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-29 05:33:19,190 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-29 05:33:19,190 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-29 05:33:19,190 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2021-10-29 05:33:19,190 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2021-10-29 05:33:19,191 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2021-10-29 05:33:19,191 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2021-10-29 05:33:19,191 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((((~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) == \result && ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) == x) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]))) && (\exists ULTIMATE.start_ceil_float_~i0~0 : bv32 :: (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ULTIMATE.start_ceil_float_~i0~0[31:31], ULTIMATE.start_ceil_float_~i0~0[30:23], ULTIMATE.start_ceil_float_~i0~0[22:0])) && ~bvand32(2147483647bv32, ULTIMATE.start_ceil_float_~i0~0) == ix)) && x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 15]: Loop Invariant [2021-10-29 05:33:19,193 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:19,193 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:19,193 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:19,193 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:19,193 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:19,194 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-29 05:33:19,194 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-29 05:33:19,194 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-29 05:33:19,194 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-29 05:33:19,194 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2021-10-29 05:33:19,195 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2021-10-29 05:33:19,195 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2021-10-29 05:33:19,195 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2021-10-29 05:33:19,195 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:19,197 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:19,197 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:19,197 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:19,198 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:19,198 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-29 05:33:19,198 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-29 05:33:19,198 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-29 05:33:19,198 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-29 05:33:19,199 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-29 05:33:19,199 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2021-10-29 05:33:19,199 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2021-10-29 05:33:19,199 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2021-10-29 05:33:19,199 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2021-10-29 05:33:19,200 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (((~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) == \result && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]))) && (\exists ULTIMATE.start_ceil_float_~i0~0 : bv32 :: (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ULTIMATE.start_ceil_float_~i0~0[31:31], ULTIMATE.start_ceil_float_~i0~0[30:23], ULTIMATE.start_ceil_float_~i0~0[22:0])) && ~bvand32(2147483647bv32, ULTIMATE.start_ceil_float_~i0~0) == ix)) && x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven RESULT: Ultimate proved your program to be correct! [2021-10-29 05:33:19,249 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3690af23-b8cc-454c-ada2-93175bbd3411/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...