./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0931.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e7e3d76-1ca6-407a-bfa5-e07250118eca/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e7e3d76-1ca6-407a-bfa5-e07250118eca/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e7e3d76-1ca6-407a-bfa5-e07250118eca/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e7e3d76-1ca6-407a-bfa5-e07250118eca/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0931.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e7e3d76-1ca6-407a-bfa5-e07250118eca/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e7e3d76-1ca6-407a-bfa5-e07250118eca/bin/utaipan-vmNK8stdcF --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 c87390cdeb02bfcfd0888edfd053aa6fdb8101a94f62a8bab80f07fbfb57784e --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:24:39,007 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:24:39,009 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:24:39,055 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:24:39,055 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:24:39,057 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:24:39,059 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:24:39,062 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:24:39,064 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:24:39,065 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:24:39,067 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:24:39,068 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:24:39,069 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:24:39,070 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:24:39,072 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:24:39,074 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:24:39,075 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:24:39,076 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:24:39,079 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:24:39,081 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:24:39,084 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:24:39,086 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:24:39,087 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:24:39,089 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:24:39,093 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:24:39,093 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:24:39,094 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:24:39,095 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:24:39,096 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:24:39,097 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:24:39,098 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:24:39,099 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:24:39,100 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:24:39,101 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:24:39,102 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:24:39,103 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:24:39,104 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:24:39,104 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:24:39,104 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:24:39,106 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:24:39,107 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:24:39,108 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e7e3d76-1ca6-407a-bfa5-e07250118eca/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-12 23:24:39,139 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:24:39,150 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:24:39,152 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:24:39,153 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:24:39,153 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:24:39,154 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:24:39,154 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:24:39,154 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 23:24:39,157 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:24:39,158 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:24:39,159 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 23:24:39,159 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 23:24:39,159 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:24:39,160 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 23:24:39,160 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 23:24:39,160 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 23:24:39,161 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:24:39,161 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-12 23:24:39,161 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 23:24:39,161 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-12 23:24:39,162 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:24:39,162 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:24:39,162 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:24:39,162 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:24:39,163 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:24:39,163 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-12 23:24:39,163 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:24:39,163 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:24:39,163 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:24:39,165 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:24:39,165 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:24:39,166 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:24:39,166 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:24:39,166 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:24:39,166 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:24:39,167 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 23:24:39,167 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 23:24:39,167 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:24:39,167 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:24:39,168 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:24:39,168 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_5e7e3d76-1ca6-407a-bfa5-e07250118eca/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e7e3d76-1ca6-407a-bfa5-e07250118eca/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c87390cdeb02bfcfd0888edfd053aa6fdb8101a94f62a8bab80f07fbfb57784e [2021-11-12 23:24:39,461 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:24:39,487 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:24:39,491 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:24:39,492 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:24:39,493 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:24:39,494 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e7e3d76-1ca6-407a-bfa5-e07250118eca/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/float-newlib/double_req_bl_0931.c [2021-11-12 23:24:39,581 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e7e3d76-1ca6-407a-bfa5-e07250118eca/bin/utaipan-vmNK8stdcF/data/cc52df1bc/e95c40bf7c5448549aca6d1de80836d9/FLAGe5c5b9689 [2021-11-12 23:24:40,067 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:24:40,068 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e7e3d76-1ca6-407a-bfa5-e07250118eca/sv-benchmarks/c/float-newlib/double_req_bl_0931.c [2021-11-12 23:24:40,075 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e7e3d76-1ca6-407a-bfa5-e07250118eca/bin/utaipan-vmNK8stdcF/data/cc52df1bc/e95c40bf7c5448549aca6d1de80836d9/FLAGe5c5b9689 [2021-11-12 23:24:40,453 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e7e3d76-1ca6-407a-bfa5-e07250118eca/bin/utaipan-vmNK8stdcF/data/cc52df1bc/e95c40bf7c5448549aca6d1de80836d9 [2021-11-12 23:24:40,455 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:24:40,457 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:24:40,473 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:24:40,473 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:24:40,477 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:24:40,477 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:24:40" (1/1) ... [2021-11-12 23:24:40,478 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@161db3bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:24:40, skipping insertion in model container [2021-11-12 23:24:40,479 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:24:40" (1/1) ... [2021-11-12 23:24:40,486 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:24:40,508 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:24:40,776 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_5e7e3d76-1ca6-407a-bfa5-e07250118eca/sv-benchmarks/c/float-newlib/double_req_bl_0931.c[3610,3623] [2021-11-12 23:24:40,781 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:24:40,795 INFO L203 MainTranslator]: Completed pre-run [2021-11-12 23:24:40,843 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_5e7e3d76-1ca6-407a-bfa5-e07250118eca/sv-benchmarks/c/float-newlib/double_req_bl_0931.c[3610,3623] [2021-11-12 23:24:40,844 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:24:40,858 INFO L208 MainTranslator]: Completed translation [2021-11-12 23:24:40,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:24:40 WrapperNode [2021-11-12 23:24:40,859 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:24:40,860 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-12 23:24:40,860 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-12 23:24:40,860 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-12 23:24:40,868 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:24:40" (1/1) ... [2021-11-12 23:24:40,880 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:24:40" (1/1) ... [2021-11-12 23:24:40,918 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-12 23:24:40,919 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-12 23:24:40,919 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-12 23:24:40,919 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-12 23:24:40,941 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:24:40" (1/1) ... [2021-11-12 23:24:40,941 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:24:40" (1/1) ... [2021-11-12 23:24:40,945 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:24:40" (1/1) ... [2021-11-12 23:24:40,945 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:24:40" (1/1) ... [2021-11-12 23:24:40,967 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:24:40" (1/1) ... [2021-11-12 23:24:40,982 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:24:40" (1/1) ... [2021-11-12 23:24:40,984 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:24:40" (1/1) ... [2021-11-12 23:24:40,987 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-12 23:24:40,988 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-12 23:24:40,988 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-12 23:24:40,988 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-12 23:24:40,989 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:24:40" (1/1) ... [2021-11-12 23:24:40,997 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:24:41,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e7e3d76-1ca6-407a-bfa5-e07250118eca/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:24:41,020 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e7e3d76-1ca6-407a-bfa5-e07250118eca/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-12 23:24:41,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e7e3d76-1ca6-407a-bfa5-e07250118eca/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-12 23:24:41,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-12 23:24:41,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-12 23:24:41,068 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-11-12 23:24:41,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-12 23:24:41,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-11-12 23:24:41,069 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-12 23:24:41,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-12 23:24:41,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-12 23:24:41,069 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-12 23:24:41,457 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-12 23:24:41,457 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-11-12 23:24:41,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:24:41 BoogieIcfgContainer [2021-11-12 23:24:41,460 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-12 23:24:41,462 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-12 23:24:41,462 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-12 23:24:41,465 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-12 23:24:41,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 11:24:40" (1/3) ... [2021-11-12 23:24:41,466 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ba889cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:24:41, skipping insertion in model container [2021-11-12 23:24:41,466 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:24:40" (2/3) ... [2021-11-12 23:24:41,466 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ba889cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:24:41, skipping insertion in model container [2021-11-12 23:24:41,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:24:41" (3/3) ... [2021-11-12 23:24:41,468 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0931.c [2021-11-12 23:24:41,473 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-12 23:24:41,473 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-12 23:24:41,548 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 23:24:41,555 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 [2021-11-12 23:24:41,555 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-12 23:24:41,570 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 20 states have (on average 1.7) internal successors, (34), 21 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) [2021-11-12 23:24:41,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-12 23:24:41,576 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:24:41,577 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:24:41,577 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:24:41,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:24:41,588 INFO L85 PathProgramCache]: Analyzing trace with hash 1544195697, now seen corresponding path program 1 times [2021-11-12 23:24:41,600 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:24:41,601 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851753493] [2021-11-12 23:24:41,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:24:41,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:24:41,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:24:41,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:24:41,793 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:24:41,793 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851753493] [2021-11-12 23:24:41,794 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [851753493] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:24:41,795 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:24:41,796 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-12 23:24:41,798 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944829262] [2021-11-12 23:24:41,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:24:41,803 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-12 23:24:41,804 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:24:41,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-12 23:24:41,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-12 23:24:41,845 INFO L87 Difference]: Start difference. First operand has 22 states, 20 states have (on average 1.7) internal successors, (34), 21 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) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:24:41,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:24:41,902 INFO L93 Difference]: Finished difference Result 43 states and 67 transitions. [2021-11-12 23:24:41,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-12 23:24:41,908 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-11-12 23:24:41,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:24:41,916 INFO L225 Difference]: With dead ends: 43 [2021-11-12 23:24:41,917 INFO L226 Difference]: Without dead ends: 20 [2021-11-12 23:24:41,920 INFO L932 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 [2021-11-12 23:24:41,923 INFO L933 BasicCegarLoop]: 21 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.24ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.54ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.49ms IncrementalHoareTripleChecker+Time [2021-11-12 23:24:41,925 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 21 Invalid, 4 Unknown, 0 Unchecked, 0.54ms Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 40.49ms Time] [2021-11-12 23:24:41,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2021-11-12 23:24:41,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2021-11-12 23:24:41,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 19 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) [2021-11-12 23:24:41,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 23 transitions. [2021-11-12 23:24:41,953 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 23 transitions. Word has length 10 [2021-11-12 23:24:41,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:24:41,954 INFO L470 AbstractCegarLoop]: Abstraction has 20 states and 23 transitions. [2021-11-12 23:24:41,954 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:24:41,954 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2021-11-12 23:24:41,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-12 23:24:41,954 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:24:41,954 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:24:41,955 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-12 23:24:41,955 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:24:41,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:24:41,956 INFO L85 PathProgramCache]: Analyzing trace with hash -1170194359, now seen corresponding path program 1 times [2021-11-12 23:24:41,956 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:24:41,957 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026470580] [2021-11-12 23:24:41,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:24:41,957 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:24:42,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-12 23:24:42,165 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-12 23:24:42,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-12 23:24:42,324 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-12 23:24:42,324 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-12 23:24:42,327 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-12 23:24:42,331 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-12 23:24:42,339 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-11-12 23:24:42,343 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-12 23:24:42,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 11:24:42 BoogieIcfgContainer [2021-11-12 23:24:42,416 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-12 23:24:42,417 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-12 23:24:42,417 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-12 23:24:42,417 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-12 23:24:42,417 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:24:41" (3/4) ... [2021-11-12 23:24:42,420 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-12 23:24:42,421 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-12 23:24:42,421 INFO L158 Benchmark]: Toolchain (without parser) took 1964.20ms. Allocated memory was 100.7MB in the beginning and 134.2MB in the end (delta: 33.6MB). Free memory was 71.2MB in the beginning and 98.6MB in the end (delta: -27.5MB). Peak memory consumption was 2.8MB. Max. memory is 16.1GB. [2021-11-12 23:24:42,422 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 100.7MB. Free memory was 53.6MB in the beginning and 53.6MB in the end (delta: 48.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 23:24:42,423 INFO L158 Benchmark]: CACSL2BoogieTranslator took 386.60ms. Allocated memory was 100.7MB in the beginning and 134.2MB in the end (delta: 33.6MB). Free memory was 70.9MB in the beginning and 107.9MB in the end (delta: -37.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-12 23:24:42,423 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.51ms. Allocated memory is still 134.2MB. Free memory was 107.9MB in the beginning and 105.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-12 23:24:42,424 INFO L158 Benchmark]: Boogie Preprocessor took 68.12ms. Allocated memory is still 134.2MB. Free memory was 105.8MB in the beginning and 104.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-12 23:24:42,424 INFO L158 Benchmark]: RCFGBuilder took 471.97ms. Allocated memory is still 134.2MB. Free memory was 104.2MB in the beginning and 87.4MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-12 23:24:42,425 INFO L158 Benchmark]: TraceAbstraction took 954.44ms. Allocated memory is still 134.2MB. Free memory was 86.9MB in the beginning and 98.6MB in the end (delta: -11.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 23:24:42,425 INFO L158 Benchmark]: Witness Printer took 4.03ms. Allocated memory is still 134.2MB. Free memory is still 98.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 23:24:42,428 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 100.7MB. Free memory was 53.6MB in the beginning and 53.6MB in the end (delta: 48.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 386.60ms. Allocated memory was 100.7MB in the beginning and 134.2MB in the end (delta: 33.6MB). Free memory was 70.9MB in the beginning and 107.9MB in the end (delta: -37.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.51ms. Allocated memory is still 134.2MB. Free memory was 107.9MB in the beginning and 105.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.12ms. Allocated memory is still 134.2MB. Free memory was 105.8MB in the beginning and 104.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 471.97ms. Allocated memory is still 134.2MB. Free memory was 104.2MB in the beginning and 87.4MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 954.44ms. Allocated memory is still 134.2MB. Free memory was 86.9MB in the beginning and 98.6MB in the end (delta: -11.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.03ms. Allocated memory is still 134.2MB. Free memory is still 98.6MB. There was no memory consumed. Max. memory is 16.1GB. * 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: 139]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 29, overapproximation of someBinaryArithmeticDOUBLEoperation at line 62, overapproximation of bitwiseAnd at line 28. Possible FailurePath: [L34-L43] static const double ln2_hi_log = 6.93147180369123816490e-01, ln2_lo_log = 1.90821492927058770002e-10, two54_log = 1.80143985094819840000e+16, Lg1_log = 6.666666666666735130e-01, Lg2_log = 3.999999999940941908e-01, Lg3_log = 2.857142874366239149e-01, Lg4_log = 2.222219843214978396e-01, Lg5_log = 1.818357216161805012e-01, Lg6_log = 1.531383769920937332e-01, Lg7_log = 1.479819860511658591e-01; [L45] static const double zero = 0.0; [L134] double x = 1.0 / 0.0; [L135] CALL, EXPR __ieee754_log(x) [L48] double hfsq, f, s, z, R, w, t1, t2, dk; [L49] __int32_t k, hx, i, j; [L50] __uint32_t lx; VAL [\old(x)=18014398509481986, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, x=18014398509481986, zero=0] [L53] ieee_double_shape_type ew_u; [L54] ew_u.value = (x) [L55] EXPR ew_u.parts.msw [L55] (hx) = ew_u.parts.msw [L56] EXPR ew_u.parts.lsw [L56] (lx) = ew_u.parts.lsw [L59] k = 0 VAL [\old(x)=18014398509481986, hx=-2, k=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, lx=1, two54_log=18014398509481984, x=18014398509481986, zero=0] [L60] COND TRUE hx < 0x00100000 VAL [\old(x)=18014398509481986, hx=-2, k=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, lx=1, two54_log=18014398509481984, x=18014398509481986, zero=0] [L61] COND TRUE ((hx & 0x7fffffff) | lx) == 0 [L62] return -two54_log / zero; VAL [\old(x)=18014398509481986, hx=-2, k=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, lx=1, two54_log=18014398509481984, x=18014398509481986, zero=0] [L135] RET, EXPR __ieee754_log(x) [L135] double res = __ieee754_log(x); [L138] CALL, EXPR isinf_double(res) [L21] __int32_t hx, lx; VAL [\old(x)=18014398509481987, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, x=18014398509481987, zero=0] [L23] ieee_double_shape_type ew_u; [L24] ew_u.value = (x) [L25] EXPR ew_u.parts.msw [L25] (hx) = ew_u.parts.msw [L26] EXPR ew_u.parts.lsw [L26] (lx) = ew_u.parts.lsw [L28] hx &= 0x7fffffff [L29] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L30] hx = 0x7ff00000 - hx [L31] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); [L138] RET, EXPR isinf_double(res) [L138] COND TRUE !isinf_double(res) [L139] reach_error() VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, res=18014398509481987, two54_log=18014398509481984, x=18014398509481986, zero=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 22 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 40.49ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 21 SdHoareTripleChecker+Invalid, 33.24ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 21 mSDtfsCounter, 4 mSolverCounterSat, 0.54ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, 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=22occurred 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: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 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 [2021-11-12 23:24:42,477 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e7e3d76-1ca6-407a-bfa5-e07250118eca/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e7e3d76-1ca6-407a-bfa5-e07250118eca/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e7e3d76-1ca6-407a-bfa5-e07250118eca/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e7e3d76-1ca6-407a-bfa5-e07250118eca/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e7e3d76-1ca6-407a-bfa5-e07250118eca/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0931.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e7e3d76-1ca6-407a-bfa5-e07250118eca/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e7e3d76-1ca6-407a-bfa5-e07250118eca/bin/utaipan-vmNK8stdcF --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 c87390cdeb02bfcfd0888edfd053aa6fdb8101a94f62a8bab80f07fbfb57784e --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:24:44,877 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:24:44,881 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:24:44,943 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:24:44,944 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:24:44,948 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:24:44,950 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:24:44,954 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:24:44,957 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:24:44,965 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:24:44,967 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:24:44,969 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:24:44,969 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:24:44,972 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:24:44,974 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:24:44,979 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:24:44,982 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:24:44,983 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:24:44,985 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:24:44,995 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:24:44,998 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:24:45,000 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:24:45,002 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:24:45,005 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:24:45,014 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:24:45,014 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:24:45,015 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:24:45,020 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:24:45,021 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:24:45,022 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:24:45,022 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:24:45,023 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:24:45,025 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:24:45,026 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:24:45,027 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:24:45,028 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:24:45,029 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:24:45,029 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:24:45,029 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:24:45,031 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:24:45,035 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:24:45,036 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e7e3d76-1ca6-407a-bfa5-e07250118eca/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-12 23:24:45,078 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:24:45,078 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:24:45,079 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:24:45,079 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:24:45,080 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:24:45,080 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:24:45,080 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:24:45,080 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:24:45,081 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:24:45,081 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:24:45,083 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:24:45,083 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-12 23:24:45,084 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-12 23:24:45,084 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:24:45,084 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:24:45,084 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:24:45,085 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:24:45,085 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:24:45,085 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-12 23:24:45,085 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-12 23:24:45,085 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-12 23:24:45,086 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:24:45,086 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:24:45,086 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:24:45,086 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:24:45,087 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-12 23:24:45,087 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:24:45,087 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:24:45,087 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:24:45,087 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:24:45,088 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:24:45,088 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-12 23:24:45,088 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-12 23:24:45,088 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:24:45,089 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:24:45,089 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:24:45,089 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_5e7e3d76-1ca6-407a-bfa5-e07250118eca/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e7e3d76-1ca6-407a-bfa5-e07250118eca/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c87390cdeb02bfcfd0888edfd053aa6fdb8101a94f62a8bab80f07fbfb57784e [2021-11-12 23:24:45,452 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:24:45,473 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:24:45,476 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:24:45,477 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:24:45,478 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:24:45,479 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e7e3d76-1ca6-407a-bfa5-e07250118eca/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/float-newlib/double_req_bl_0931.c [2021-11-12 23:24:45,568 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e7e3d76-1ca6-407a-bfa5-e07250118eca/bin/utaipan-vmNK8stdcF/data/7acd91799/25443efb8a3c430397439fb4fce31d8b/FLAG50f6909f8 [2021-11-12 23:24:46,075 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:24:46,076 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e7e3d76-1ca6-407a-bfa5-e07250118eca/sv-benchmarks/c/float-newlib/double_req_bl_0931.c [2021-11-12 23:24:46,088 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e7e3d76-1ca6-407a-bfa5-e07250118eca/bin/utaipan-vmNK8stdcF/data/7acd91799/25443efb8a3c430397439fb4fce31d8b/FLAG50f6909f8 [2021-11-12 23:24:46,420 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e7e3d76-1ca6-407a-bfa5-e07250118eca/bin/utaipan-vmNK8stdcF/data/7acd91799/25443efb8a3c430397439fb4fce31d8b [2021-11-12 23:24:46,422 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:24:46,423 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:24:46,429 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:24:46,429 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:24:46,432 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:24:46,433 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:24:46" (1/1) ... [2021-11-12 23:24:46,434 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42682d97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:24:46, skipping insertion in model container [2021-11-12 23:24:46,434 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:24:46" (1/1) ... [2021-11-12 23:24:46,449 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:24:46,480 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:24:46,740 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_5e7e3d76-1ca6-407a-bfa5-e07250118eca/sv-benchmarks/c/float-newlib/double_req_bl_0931.c[3610,3623] [2021-11-12 23:24:46,743 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:24:46,762 INFO L203 MainTranslator]: Completed pre-run [2021-11-12 23:24:46,836 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_5e7e3d76-1ca6-407a-bfa5-e07250118eca/sv-benchmarks/c/float-newlib/double_req_bl_0931.c[3610,3623] [2021-11-12 23:24:46,837 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:24:46,865 INFO L208 MainTranslator]: Completed translation [2021-11-12 23:24:46,866 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:24:46 WrapperNode [2021-11-12 23:24:46,866 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:24:46,867 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-12 23:24:46,868 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-12 23:24:46,868 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-12 23:24:46,874 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:24:46" (1/1) ... [2021-11-12 23:24:46,898 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:24:46" (1/1) ... [2021-11-12 23:24:46,937 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-12 23:24:46,938 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-12 23:24:46,938 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-12 23:24:46,938 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-12 23:24:46,946 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:24:46" (1/1) ... [2021-11-12 23:24:46,947 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:24:46" (1/1) ... [2021-11-12 23:24:46,967 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:24:46" (1/1) ... [2021-11-12 23:24:46,968 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:24:46" (1/1) ... [2021-11-12 23:24:46,978 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:24:46" (1/1) ... [2021-11-12 23:24:46,994 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:24:46" (1/1) ... [2021-11-12 23:24:47,003 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:24:46" (1/1) ... [2021-11-12 23:24:47,007 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-12 23:24:47,008 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-12 23:24:47,008 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-12 23:24:47,008 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-12 23:24:47,009 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:24:46" (1/1) ... [2021-11-12 23:24:47,015 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:24:47,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e7e3d76-1ca6-407a-bfa5-e07250118eca/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:24:47,049 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e7e3d76-1ca6-407a-bfa5-e07250118eca/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-12 23:24:47,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e7e3d76-1ca6-407a-bfa5-e07250118eca/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-12 23:24:47,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-11-12 23:24:47,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-11-12 23:24:47,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-12 23:24:47,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-12 23:24:47,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-12 23:24:47,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-12 23:24:47,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-12 23:24:47,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-12 23:24:47,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-12 23:25:08,751 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-12 23:25:08,751 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-11-12 23:25:08,755 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:25:08 BoogieIcfgContainer [2021-11-12 23:25:08,755 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-12 23:25:08,757 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-12 23:25:08,758 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-12 23:25:08,761 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-12 23:25:08,764 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 11:24:46" (1/3) ... [2021-11-12 23:25:08,765 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31479990 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:25:08, skipping insertion in model container [2021-11-12 23:25:08,766 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:24:46" (2/3) ... [2021-11-12 23:25:08,766 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31479990 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:25:08, skipping insertion in model container [2021-11-12 23:25:08,767 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:25:08" (3/3) ... [2021-11-12 23:25:08,768 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0931.c [2021-11-12 23:25:08,774 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-12 23:25:08,774 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-12 23:25:08,817 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 23:25:08,825 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 [2021-11-12 23:25:08,825 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-12 23:25:08,847 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 30 states have (on average 1.7) internal successors, (51), 31 states have internal predecessors, (51), 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) [2021-11-12 23:25:08,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-12 23:25:08,853 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:25:08,854 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:25:08,854 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:25:08,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:25:08,865 INFO L85 PathProgramCache]: Analyzing trace with hash -2110731690, now seen corresponding path program 1 times [2021-11-12 23:25:08,877 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:25:08,879 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [243538817] [2021-11-12 23:25:08,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:25:08,884 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:25:08,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e7e3d76-1ca6-407a-bfa5-e07250118eca/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:25:08,896 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e7e3d76-1ca6-407a-bfa5-e07250118eca/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:25:08,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e7e3d76-1ca6-407a-bfa5-e07250118eca/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-12 23:25:09,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:25:09,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-12 23:25:09,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:25:10,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:25:10,151 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:25:10,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:25:10,347 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:25:10,347 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [243538817] [2021-11-12 23:25:10,348 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [243538817] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:25:10,348 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:25:10,349 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-12 23:25:10,350 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230713761] [2021-11-12 23:25:10,351 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:25:10,355 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-12 23:25:10,355 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:25:10,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-12 23:25:10,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-12 23:25:10,394 INFO L87 Difference]: Start difference. First operand has 32 states, 30 states have (on average 1.7) internal successors, (51), 31 states have internal predecessors, (51), 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) [2021-11-12 23:25:10,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:25:10,412 INFO L93 Difference]: Finished difference Result 62 states and 100 transitions. [2021-11-12 23:25:10,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-12 23:25:10,414 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 [2021-11-12 23:25:10,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:25:10,422 INFO L225 Difference]: With dead ends: 62 [2021-11-12 23:25:10,423 INFO L226 Difference]: Without dead ends: 29 [2021-11-12 23:25:10,426 INFO L932 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 [2021-11-12 23:25:10,430 INFO L933 BasicCegarLoop]: 42 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.85ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time [2021-11-12 23:25:10,431 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.85ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time] [2021-11-12 23:25:10,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2021-11-12 23:25:10,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2021-11-12 23:25:10,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 28 states have (on average 1.3928571428571428) internal successors, (39), 28 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:25:10,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 39 transitions. [2021-11-12 23:25:10,462 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 39 transitions. Word has length 12 [2021-11-12 23:25:10,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:25:10,463 INFO L470 AbstractCegarLoop]: Abstraction has 29 states and 39 transitions. [2021-11-12 23:25:10,463 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) [2021-11-12 23:25:10,463 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 39 transitions. [2021-11-12 23:25:10,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-12 23:25:10,464 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:25:10,464 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:25:10,490 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e7e3d76-1ca6-407a-bfa5-e07250118eca/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-12 23:25:10,680 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e7e3d76-1ca6-407a-bfa5-e07250118eca/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:25:10,683 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:25:10,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:25:10,684 INFO L85 PathProgramCache]: Analyzing trace with hash 1825265086, now seen corresponding path program 1 times [2021-11-12 23:25:10,685 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:25:10,685 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [754351888] [2021-11-12 23:25:10,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:25:10,685 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:25:10,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e7e3d76-1ca6-407a-bfa5-e07250118eca/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:25:10,692 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e7e3d76-1ca6-407a-bfa5-e07250118eca/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:25:10,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e7e3d76-1ca6-407a-bfa5-e07250118eca/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-12 23:25:11,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:25:11,697 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-12 23:25:11,699 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:25:12,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:25:12,493 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:25:13,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:25:13,234 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:25:13,235 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [754351888] [2021-11-12 23:25:13,235 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [754351888] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:25:13,235 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:25:13,235 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-12 23:25:13,236 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713210687] [2021-11-12 23:25:13,236 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:25:13,237 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-12 23:25:13,238 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:25:13,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-12 23:25:13,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:25:13,239 INFO L87 Difference]: Start difference. First operand 29 states and 39 transitions. Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:25:16,678 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.32s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-12 23:25:16,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:25:16,684 INFO L93 Difference]: Finished difference Result 56 states and 72 transitions. [2021-11-12 23:25:17,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-12 23:25:17,132 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-11-12 23:25:17,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:25:17,133 INFO L225 Difference]: With dead ends: 56 [2021-11-12 23:25:17,133 INFO L226 Difference]: Without dead ends: 33 [2021-11-12 23:25:17,134 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:25:17,136 INFO L933 BasicCegarLoop]: 30 mSDtfsCounter, 7 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3422.08ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.58ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 6 IncrementalHoareTripleChecker+Unchecked, 3431.24ms IncrementalHoareTripleChecker+Time [2021-11-12 23:25:17,136 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 85 Invalid, 12 Unknown, 0 Unchecked, 1.58ms Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 1 Unknown, 6 Unchecked, 3431.24ms Time] [2021-11-12 23:25:17,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-11-12 23:25:17,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 25. [2021-11-12 23:25:17,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 24 states have (on average 1.3333333333333333) internal successors, (32), 24 states have internal predecessors, (32), 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) [2021-11-12 23:25:17,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 32 transitions. [2021-11-12 23:25:17,142 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 32 transitions. Word has length 14 [2021-11-12 23:25:17,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:25:17,142 INFO L470 AbstractCegarLoop]: Abstraction has 25 states and 32 transitions. [2021-11-12 23:25:17,142 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:25:17,143 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2021-11-12 23:25:17,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-12 23:25:17,144 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:25:17,144 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:25:17,165 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e7e3d76-1ca6-407a-bfa5-e07250118eca/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-11-12 23:25:17,355 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e7e3d76-1ca6-407a-bfa5-e07250118eca/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:25:17,355 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:25:17,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:25:17,356 INFO L85 PathProgramCache]: Analyzing trace with hash 2016616349, now seen corresponding path program 1 times [2021-11-12 23:25:17,356 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:25:17,356 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2011428373] [2021-11-12 23:25:17,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:25:17,357 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:25:17,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e7e3d76-1ca6-407a-bfa5-e07250118eca/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:25:17,358 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e7e3d76-1ca6-407a-bfa5-e07250118eca/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:25:17,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e7e3d76-1ca6-407a-bfa5-e07250118eca/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-12 23:25:17,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:25:17,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-12 23:25:17,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:25:18,824 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 40 [2021-11-12 23:25:20,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:25:20,204 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:25:21,378 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 89 [2021-11-12 23:25:28,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:25:28,318 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:25:28,318 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2011428373] [2021-11-12 23:25:28,318 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2011428373] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:25:28,319 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:25:28,319 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 15 [2021-11-12 23:25:28,319 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439137156] [2021-11-12 23:25:28,319 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:25:28,319 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-12 23:25:28,319 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:25:28,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-12 23:25:28,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2021-11-12 23:25:28,321 INFO L87 Difference]: Start difference. First operand 25 states and 32 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) [2021-11-12 23:25:33,301 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.29s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-12 23:25:36,019 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.72s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-12 23:25:38,187 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-12 23:25:40,191 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-12 23:25:42,387 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-12 23:25:44,952 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-12 23:25:46,960 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-12 23:25:49,184 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-12 23:25:51,190 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-12 23:25:53,542 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.35s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-12 23:25:55,561 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-12 23:25:57,966 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.40s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-12 23:25:59,973 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-12 23:26:02,194 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-12 23:26:04,199 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-12 23:26:04,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:26:04,332 INFO L93 Difference]: Finished difference Result 37 states and 43 transitions. [2021-11-12 23:26:04,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-12 23:26:04,332 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 [2021-11-12 23:26:04,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:26:04,334 INFO L225 Difference]: With dead ends: 37 [2021-11-12 23:26:04,334 INFO L226 Difference]: Without dead ends: 29 [2021-11-12 23:26:04,334 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 8.1s TimeCoverageRelationStatistics Valid=64, Invalid=242, Unknown=0, NotChecked=0, Total=306 [2021-11-12 23:26:04,336 INFO L933 BasicCegarLoop]: 20 mSDtfsCounter, 26 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 1 mSolverCounterUnsat, 15 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33835.59ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.58ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 15 IncrementalHoareTripleChecker+Unknown, 38 IncrementalHoareTripleChecker+Unchecked, 35065.35ms IncrementalHoareTripleChecker+Time [2021-11-12 23:26:04,336 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [26 Valid, 179 Invalid, 95 Unknown, 0 Unchecked, 3.58ms Time], IncrementalHoareTripleChecker [1 Valid, 41 Invalid, 15 Unknown, 38 Unchecked, 35065.35ms Time] [2021-11-12 23:26:04,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2021-11-12 23:26:04,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 25. [2021-11-12 23:26:04,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 24 states have (on average 1.2916666666666667) internal successors, (31), 24 states have internal predecessors, (31), 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) [2021-11-12 23:26:04,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 31 transitions. [2021-11-12 23:26:04,342 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 31 transitions. Word has length 14 [2021-11-12 23:26:04,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:26:04,342 INFO L470 AbstractCegarLoop]: Abstraction has 25 states and 31 transitions. [2021-11-12 23:26:04,343 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) [2021-11-12 23:26:04,343 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2021-11-12 23:26:04,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-12 23:26:04,344 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:26:04,344 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:26:04,363 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e7e3d76-1ca6-407a-bfa5-e07250118eca/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-12 23:26:04,544 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e7e3d76-1ca6-407a-bfa5-e07250118eca/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:26:04,545 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:26:04,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:26:04,545 INFO L85 PathProgramCache]: Analyzing trace with hash -1859681071, now seen corresponding path program 1 times [2021-11-12 23:26:04,546 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:26:04,546 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [787651065] [2021-11-12 23:26:04,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:26:04,546 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:26:04,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e7e3d76-1ca6-407a-bfa5-e07250118eca/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:26:04,547 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e7e3d76-1ca6-407a-bfa5-e07250118eca/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:26:04,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e7e3d76-1ca6-407a-bfa5-e07250118eca/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-12 23:26:04,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:26:04,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-12 23:26:04,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:26:05,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:26:05,804 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:26:06,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:26:06,950 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:26:06,950 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [787651065] [2021-11-12 23:26:06,950 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [787651065] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:26:06,950 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:26:06,951 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-12 23:26:06,951 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564427505] [2021-11-12 23:26:06,951 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:26:06,952 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-12 23:26:06,952 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:26:06,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-12 23:26:06,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:26:06,953 INFO L87 Difference]: Start difference. First operand 25 states and 31 transitions. Second operand has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 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) [2021-11-12 23:26:07,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:26:07,009 INFO L93 Difference]: Finished difference Result 25 states and 31 transitions. [2021-11-12 23:26:07,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:26:07,010 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 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 20 [2021-11-12 23:26:07,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:26:07,010 INFO L225 Difference]: With dead ends: 25 [2021-11-12 23:26:07,010 INFO L226 Difference]: Without dead ends: 0 [2021-11-12 23:26:07,011 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 34 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:26:07,012 INFO L933 BasicCegarLoop]: 4 mSDtfsCounter, 0 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.13ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 3 IncrementalHoareTripleChecker+Unchecked, 0.04ms IncrementalHoareTripleChecker+Time [2021-11-12 23:26:07,012 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 9 Invalid, 3 Unknown, 0 Unchecked, 0.13ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 3 Unchecked, 0.04ms Time] [2021-11-12 23:26:07,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-12 23:26:07,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-12 23:26:07,013 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) [2021-11-12 23:26:07,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-12 23:26:07,014 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2021-11-12 23:26:07,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:26:07,014 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-12 23:26:07,014 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 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) [2021-11-12 23:26:07,014 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-12 23:26:07,014 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-12 23:26:07,018 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-12 23:26:07,038 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e7e3d76-1ca6-407a-bfa5-e07250118eca/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-12 23:26:07,234 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e7e3d76-1ca6-407a-bfa5-e07250118eca/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:26:07,235 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-12 23:26:07,824 INFO L858 garLoopResultBuilder]: For program point L60(lines 60 72) no Hoare annotation was computed. [2021-11-12 23:26:07,825 INFO L858 garLoopResultBuilder]: For program point L60-1(lines 47 126) no Hoare annotation was computed. [2021-11-12 23:26:07,825 INFO L858 garLoopResultBuilder]: For program point L52-1(lines 52 57) no Hoare annotation was computed. [2021-11-12 23:26:07,825 INFO L854 garLoopResultBuilder]: At program point L52-2(lines 52 57) the Hoare annotation is: (and (= currentRoundingMode roundNearestTiesToEven) (= |ULTIMATE.start___ieee754_log_~x#1| (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53)))) [2021-11-12 23:26:07,825 INFO L858 garLoopResultBuilder]: For program point L52-3(lines 52 57) no Hoare annotation was computed. [2021-11-12 23:26:07,826 INFO L861 garLoopResultBuilder]: At program point L143(lines 128 144) the Hoare annotation is: true [2021-11-12 23:26:07,826 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-12 23:26:07,826 INFO L858 garLoopResultBuilder]: For program point L61(lines 61 62) no Hoare annotation was computed. [2021-11-12 23:26:07,826 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-12 23:26:07,826 INFO L858 garLoopResultBuilder]: For program point L86(lines 86 102) no Hoare annotation was computed. [2021-11-12 23:26:07,826 INFO L858 garLoopResultBuilder]: For program point L78-1(lines 78 83) no Hoare annotation was computed. [2021-11-12 23:26:07,826 INFO L854 garLoopResultBuilder]: At program point L78-2(lines 78 83) the Hoare annotation is: false [2021-11-12 23:26:07,827 INFO L858 garLoopResultBuilder]: For program point L78-3(lines 78 83) no Hoare annotation was computed. [2021-11-12 23:26:07,827 INFO L858 garLoopResultBuilder]: For program point L87(lines 87 94) no Hoare annotation was computed. [2021-11-12 23:26:07,827 INFO L858 garLoopResultBuilder]: For program point L96(lines 96 101) no Hoare annotation was computed. [2021-11-12 23:26:07,827 INFO L858 garLoopResultBuilder]: For program point L63(lines 63 64) no Hoare annotation was computed. [2021-11-12 23:26:07,827 INFO L858 garLoopResultBuilder]: For program point L121(lines 121 124) no Hoare annotation was computed. [2021-11-12 23:26:07,827 INFO L858 garLoopResultBuilder]: For program point L88(lines 88 93) no Hoare annotation was computed. [2021-11-12 23:26:07,827 INFO L858 garLoopResultBuilder]: For program point L22-1(lines 22 27) no Hoare annotation was computed. [2021-11-12 23:26:07,828 INFO L854 garLoopResultBuilder]: At program point L22-2(lines 22 27) the Hoare annotation is: (let ((.cse0 (let ((.cse1 (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (_ +zero 11 53)))) (fp.add roundNearestTiesToEven .cse1 .cse1)))) (and (= .cse0 |ULTIMATE.start_isinf_double_~x#1|) (= currentRoundingMode roundNearestTiesToEven) (= |ULTIMATE.start___ieee754_log_~x#1| (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53))) (= |ULTIMATE.start___ieee754_log_#res#1| .cse0))) [2021-11-12 23:26:07,828 INFO L858 garLoopResultBuilder]: For program point L22-3(lines 22 27) no Hoare annotation was computed. [2021-11-12 23:26:07,828 INFO L858 garLoopResultBuilder]: For program point L113(lines 113 125) no Hoare annotation was computed. [2021-11-12 23:26:07,828 INFO L858 garLoopResultBuilder]: For program point L138(lines 138 141) no Hoare annotation was computed. [2021-11-12 23:26:07,829 INFO L854 garLoopResultBuilder]: At program point L31(lines 20 32) the Hoare annotation is: (exists ((|v_skolemized_q#valueAsBitvector_10| (_ BitVec 64))) (and (= (bvadd (bvneg (bvlshr (let ((.cse0 (bvadd (_ bv2146435072 32) (bvneg (bvor (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_10|)) (bvlshr (let ((.cse1 ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_10|))) (bvor .cse1 (bvneg .cse1))) (_ bv31 32))))))) (bvor .cse0 (bvneg .cse0))) (_ bv31 32))) (_ bv1 32)) |ULTIMATE.start_isinf_double_#res#1|) (= (let ((.cse2 (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (_ +zero 11 53)))) (fp.add roundNearestTiesToEven .cse2 .cse2)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_10|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_10|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_10|))))) [2021-11-12 23:26:07,829 INFO L858 garLoopResultBuilder]: For program point L139(line 139) no Hoare annotation was computed. [2021-11-12 23:26:07,829 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-12 23:26:07,829 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 139) no Hoare annotation was computed. [2021-11-12 23:26:07,829 INFO L858 garLoopResultBuilder]: For program point L115(lines 115 119) no Hoare annotation was computed. [2021-11-12 23:26:07,830 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-12 23:26:07,830 INFO L854 garLoopResultBuilder]: At program point L124(lines 47 126) the Hoare annotation is: (and (= currentRoundingMode roundNearestTiesToEven) (= |ULTIMATE.start___ieee754_log_~x#1| (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53))) (= |ULTIMATE.start___ieee754_log_#res#1| (let ((.cse0 (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (_ +zero 11 53)))) (fp.add roundNearestTiesToEven .cse0 .cse0)))) [2021-11-12 23:26:07,830 INFO L858 garLoopResultBuilder]: For program point L67-1(lines 67 71) no Hoare annotation was computed. [2021-11-12 23:26:07,830 INFO L854 garLoopResultBuilder]: At program point L67-2(lines 67 71) the Hoare annotation is: false [2021-11-12 23:26:07,833 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2021-11-12 23:26:07,835 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-12 23:26:07,845 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-12 23:26:07,850 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-12 23:26:07,851 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-12 23:26:07,851 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-12 23:26:07,852 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-12 23:26:07,852 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-12 23:26:07,852 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-12 23:26:07,852 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-12 23:26:07,853 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-12 23:26:07,853 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-12 23:26:07,854 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-12 23:26:07,854 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-12 23:26:07,854 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-12 23:26:07,854 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-12 23:26:07,856 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2021-11-12 23:26:07,856 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2021-11-12 23:26:07,857 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2021-11-12 23:26:07,857 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2021-11-12 23:26:07,857 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2021-11-12 23:26:07,857 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2021-11-12 23:26:07,858 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-12 23:26:07,858 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-12 23:26:07,858 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-12 23:26:07,858 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-12 23:26:07,858 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-12 23:26:07,859 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2021-11-12 23:26:07,859 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2021-11-12 23:26:07,859 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2021-11-12 23:26:07,860 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2021-11-12 23:26:07,860 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2021-11-12 23:26:07,860 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2021-11-12 23:26:07,861 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2021-11-12 23:26:07,861 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2021-11-12 23:26:07,861 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2021-11-12 23:26:07,861 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-12 23:26:07,862 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-12 23:26:07,862 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-12 23:26:07,862 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-12 23:26:07,862 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-12 23:26:07,862 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2021-11-12 23:26:07,863 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2021-11-12 23:26:07,863 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2021-11-12 23:26:07,864 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-12 23:26:07,864 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-12 23:26:07,864 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-12 23:26:07,864 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-12 23:26:07,865 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-12 23:26:07,865 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-12 23:26:07,865 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-12 23:26:07,865 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-12 23:26:07,865 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-12 23:26:07,866 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-12 23:26:07,866 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-12 23:26:07,866 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-12 23:26:07,867 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-12 23:26:07,867 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-12 23:26:07,867 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-12 23:26:07,867 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-12 23:26:07,868 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-12 23:26:07,868 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-12 23:26:07,868 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-12 23:26:07,868 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-12 23:26:07,868 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-12 23:26:07,868 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-12 23:26:07,869 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 11:26:07 BoogieIcfgContainer [2021-11-12 23:26:07,870 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-12 23:26:07,870 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-12 23:26:07,870 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-12 23:26:07,871 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-12 23:26:07,871 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:25:08" (3/4) ... [2021-11-12 23:26:07,874 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-12 23:26:07,885 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-11-12 23:26:07,886 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-11-12 23:26:07,886 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-12 23:26:07,887 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-12 23:26:07,910 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && x == ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE())) && \result == ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) [2021-11-12 23:26:07,911 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) == x && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && x == ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE())) && \result == ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) [2021-11-12 23:26:07,912 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists v_skolemized_q#valueAsBitvector_10 : bv64 :: ~bvadd64(~bvneg32(~bvlshr32(~bvor32(~bvadd64(2146435072bv32, ~bvneg32(~bvor32(~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_10[63:32]), ~bvlshr32(~bvor32(v_skolemized_q#valueAsBitvector_10[31:0], ~bvneg32(v_skolemized_q#valueAsBitvector_10[31:0])), 31bv32)))), ~bvneg32(~bvadd64(2146435072bv32, ~bvneg32(~bvor32(~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_10[63:32]), ~bvlshr32(~bvor32(v_skolemized_q#valueAsBitvector_10[31:0], ~bvneg32(v_skolemized_q#valueAsBitvector_10[31:0])), 31bv32)))))), 31bv32)), 1bv32) == \result && ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_10[63:63], v_skolemized_q#valueAsBitvector_10[62:52], v_skolemized_q#valueAsBitvector_10[51:0])) [2021-11-12 23:26:07,946 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e7e3d76-1ca6-407a-bfa5-e07250118eca/bin/utaipan-vmNK8stdcF/witness.graphml [2021-11-12 23:26:07,947 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-12 23:26:07,949 INFO L158 Benchmark]: Toolchain (without parser) took 81525.84ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 36.0MB in the beginning and 35.1MB in the end (delta: 893.3kB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. [2021-11-12 23:26:07,950 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 58.7MB. Free memory was 39.6MB in the beginning and 39.6MB in the end (delta: 42.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 23:26:07,950 INFO L158 Benchmark]: CACSL2BoogieTranslator took 438.22ms. Allocated memory is still 58.7MB. Free memory was 35.8MB in the beginning and 37.4MB in the end (delta: -1.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-12 23:26:07,951 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.83ms. Allocated memory is still 58.7MB. Free memory was 37.4MB in the beginning and 35.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-12 23:26:07,951 INFO L158 Benchmark]: Boogie Preprocessor took 68.82ms. Allocated memory is still 58.7MB. Free memory was 35.3MB in the beginning and 33.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-12 23:26:07,952 INFO L158 Benchmark]: RCFGBuilder took 21747.68ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 33.4MB in the beginning and 44.9MB in the end (delta: -11.5MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. [2021-11-12 23:26:07,952 INFO L158 Benchmark]: TraceAbstraction took 59112.19ms. Allocated memory is still 71.3MB. Free memory was 44.3MB in the beginning and 40.1MB in the end (delta: 4.2MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. [2021-11-12 23:26:07,953 INFO L158 Benchmark]: Witness Printer took 78.55ms. Allocated memory is still 71.3MB. Free memory was 40.1MB in the beginning and 35.1MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-12 23:26:07,956 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 58.7MB. Free memory was 39.6MB in the beginning and 39.6MB in the end (delta: 42.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 438.22ms. Allocated memory is still 58.7MB. Free memory was 35.8MB in the beginning and 37.4MB in the end (delta: -1.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.83ms. Allocated memory is still 58.7MB. Free memory was 37.4MB in the beginning and 35.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.82ms. Allocated memory is still 58.7MB. Free memory was 35.3MB in the beginning and 33.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 21747.68ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 33.4MB in the beginning and 44.9MB in the end (delta: -11.5MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. * TraceAbstraction took 59112.19ms. Allocated memory is still 71.3MB. Free memory was 44.3MB in the beginning and 40.1MB in the end (delta: 4.2MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. * Witness Printer took 78.55ms. Allocated memory is still 71.3MB. Free memory was 40.1MB in the beginning and 35.1MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,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 Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,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 Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s 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: 139]: 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, 32 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 59.0s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 40.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 16 mSolverCounterUnknown, 33 SdHoareTripleChecker+Valid, 38496.63ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 33 mSDsluCounter, 315 SdHoareTripleChecker+Invalid, 37257.67ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 47 IncrementalHoareTripleChecker+Unchecked, 219 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 45 IncrementalHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 96 mSDtfsCounter, 45 mSolverCounterSat, 6.14ms SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 116 GetRequests, 91 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 9.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=32occurred in iteration=0, InterpolantAutomatonStates: 20, 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, 12 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 12 NumberOfFragments, 152 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 25 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 2.2s SatisfiabilityAnalysisTime, 14.9s InterpolantComputationTime, 60 NumberOfCodeBlocks, 60 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 112 ConstructedInterpolants, 22 QuantifiedInterpolants, 1048 SizeOfPredicates, 26 NumberOfNonLiveVariables, 272 ConjunctsInSsa, 31 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: 52]: Loop Invariant [2021-11-12 23:26:07,990 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-12 23:26:07,991 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && x == ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 47]: Loop Invariant [2021-11-12 23:26:07,992 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-12 23:26:07,992 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-12 23:26:07,992 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-12 23:26:07,992 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-12 23:26:07,992 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-12 23:26:07,992 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-12 23:26:07,999 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-12 23:26:07,999 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-12 23:26:07,999 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-12 23:26:07,999 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-12 23:26:07,999 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-12 23:26:08,000 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && x == ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE())) && \result == ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 20]: Loop Invariant [2021-11-12 23:26:08,003 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2021-11-12 23:26:08,004 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2021-11-12 23:26:08,004 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2021-11-12 23:26:08,004 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2021-11-12 23:26:08,004 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2021-11-12 23:26:08,005 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2021-11-12 23:26:08,005 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-12 23:26:08,005 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-12 23:26:08,005 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-12 23:26:08,005 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-12 23:26:08,005 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-12 23:26:08,006 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2021-11-12 23:26:08,006 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2021-11-12 23:26:08,006 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2021-11-12 23:26:08,007 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2021-11-12 23:26:08,009 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2021-11-12 23:26:08,009 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2021-11-12 23:26:08,009 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2021-11-12 23:26:08,010 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2021-11-12 23:26:08,010 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2021-11-12 23:26:08,010 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-12 23:26:08,010 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-12 23:26:08,010 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-12 23:26:08,010 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-12 23:26:08,011 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-12 23:26:08,011 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2021-11-12 23:26:08,011 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2021-11-12 23:26:08,011 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] Derived loop invariant: (\exists v_skolemized_q#valueAsBitvector_10 : bv64 :: ~bvadd64(~bvneg32(~bvlshr32(~bvor32(~bvadd64(2146435072bv32, ~bvneg32(~bvor32(~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_10[63:32]), ~bvlshr32(~bvor32(v_skolemized_q#valueAsBitvector_10[31:0], ~bvneg32(v_skolemized_q#valueAsBitvector_10[31:0])), 31bv32)))), ~bvneg32(~bvadd64(2146435072bv32, ~bvneg32(~bvor32(~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_10[63:32]), ~bvlshr32(~bvor32(v_skolemized_q#valueAsBitvector_10[31:0], ~bvneg32(v_skolemized_q#valueAsBitvector_10[31:0])), 31bv32)))))), 31bv32)), 1bv32) == \result && ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_10[63:63], v_skolemized_q#valueAsBitvector_10[62:52], v_skolemized_q#valueAsBitvector_10[51:0])) - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 22]: Loop Invariant [2021-11-12 23:26:08,013 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-12 23:26:08,013 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-12 23:26:08,013 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-12 23:26:08,014 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-12 23:26:08,014 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-12 23:26:08,014 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-12 23:26:08,014 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-12 23:26:08,014 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-12 23:26:08,015 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-12 23:26:08,015 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-12 23:26:08,015 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-12 23:26:08,016 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-12 23:26:08,016 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-12 23:26:08,016 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-12 23:26:08,016 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-12 23:26:08,016 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-12 23:26:08,016 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-12 23:26:08,017 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-12 23:26:08,017 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-12 23:26:08,017 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-12 23:26:08,017 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-12 23:26:08,017 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) == x && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && x == ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE())) && \result == ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) RESULT: Ultimate proved your program to be correct! [2021-11-12 23:26:08,235 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e7e3d76-1ca6-407a-bfa5-e07250118eca/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-11-12 23:26:08,292 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e7e3d76-1ca6-407a-bfa5-e07250118eca/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE