./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/filter2_iterated.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e75459-cbb2-472c-8b12-e74f1948ff24/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e75459-cbb2-472c-8b12-e74f1948ff24/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e75459-cbb2-472c-8b12-e74f1948ff24/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e75459-cbb2-472c-8b12-e74f1948ff24/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/filter2_iterated.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e75459-cbb2-472c-8b12-e74f1948ff24/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e75459-cbb2-472c-8b12-e74f1948ff24/bin/utaipan-verify-YMUCfTKeje --witnessprinter.witness.filename witness --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 1b2a34283d37096850c6fa7d7933fe07674b3fa81a7da8c770f866e152d89627 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 04:29:28,928 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 04:29:29,031 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e75459-cbb2-472c-8b12-e74f1948ff24/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 04:29:29,040 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 04:29:29,040 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 04:29:29,081 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 04:29:29,082 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 04:29:29,082 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 04:29:29,083 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 04:29:29,083 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 04:29:29,084 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 04:29:29,085 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 04:29:29,086 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 04:29:29,090 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 04:29:29,090 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 04:29:29,090 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 04:29:29,091 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 04:29:29,091 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 04:29:29,091 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 04:29:29,092 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 04:29:29,092 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 04:29:29,097 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 04:29:29,098 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 04:29:29,098 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 04:29:29,099 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 04:29:29,099 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 04:29:29,099 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 04:29:29,099 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 04:29:29,100 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 04:29:29,100 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 04:29:29,100 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 04:29:29,100 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 04:29:29,101 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 04:29:29,101 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 04:29:29,103 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 04:29:29,103 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 04:29:29,103 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 04:29:29,103 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 04:29:29,104 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:29:29,104 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 04:29:29,104 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 04:29:29,105 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 04:29:29,105 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 04:29:29,106 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 04:29:29,106 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 04:29:29,106 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 04:29:29,107 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 04:29:29,107 INFO L153 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_72e75459-cbb2-472c-8b12-e74f1948ff24/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e75459-cbb2-472c-8b12-e74f1948ff24/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b2a34283d37096850c6fa7d7933fe07674b3fa81a7da8c770f866e152d89627 [2024-11-09 04:29:29,400 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 04:29:29,422 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 04:29:29,425 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 04:29:29,426 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 04:29:29,427 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 04:29:29,428 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e75459-cbb2-472c-8b12-e74f1948ff24/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/float-benchs/filter2_iterated.c Unable to find full path for "g++" [2024-11-09 04:29:31,474 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 04:29:31,747 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 04:29:31,747 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e75459-cbb2-472c-8b12-e74f1948ff24/sv-benchmarks/c/float-benchs/filter2_iterated.c [2024-11-09 04:29:31,757 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e75459-cbb2-472c-8b12-e74f1948ff24/bin/utaipan-verify-YMUCfTKeje/data/dce2a4eca/8ce755ae82e347d99b8184e7d916d395/FLAG5f87bf28d [2024-11-09 04:29:31,776 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e75459-cbb2-472c-8b12-e74f1948ff24/bin/utaipan-verify-YMUCfTKeje/data/dce2a4eca/8ce755ae82e347d99b8184e7d916d395 [2024-11-09 04:29:31,782 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 04:29:31,784 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 04:29:31,785 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 04:29:31,785 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 04:29:31,794 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 04:29:31,797 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:29:31" (1/1) ... [2024-11-09 04:29:31,798 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57930e4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:31, skipping insertion in model container [2024-11-09 04:29:31,798 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:29:31" (1/1) ... [2024-11-09 04:29:31,829 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 04:29:32,032 WARN L250 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_72e75459-cbb2-472c-8b12-e74f1948ff24/sv-benchmarks/c/float-benchs/filter2_iterated.c[447,460] [2024-11-09 04:29:32,068 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:29:32,084 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 04:29:32,100 WARN L250 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_72e75459-cbb2-472c-8b12-e74f1948ff24/sv-benchmarks/c/float-benchs/filter2_iterated.c[447,460] [2024-11-09 04:29:32,132 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:29:32,159 INFO L204 MainTranslator]: Completed translation [2024-11-09 04:29:32,160 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:32 WrapperNode [2024-11-09 04:29:32,160 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 04:29:32,162 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 04:29:32,164 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 04:29:32,165 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 04:29:32,175 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:32" (1/1) ... [2024-11-09 04:29:32,191 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:32" (1/1) ... [2024-11-09 04:29:32,228 INFO L138 Inliner]: procedures = 17, calls = 53, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 107 [2024-11-09 04:29:32,228 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 04:29:32,233 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 04:29:32,233 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 04:29:32,233 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 04:29:32,251 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:32" (1/1) ... [2024-11-09 04:29:32,251 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:32" (1/1) ... [2024-11-09 04:29:32,254 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:32" (1/1) ... [2024-11-09 04:29:32,254 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:32" (1/1) ... [2024-11-09 04:29:32,263 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:32" (1/1) ... [2024-11-09 04:29:32,267 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:32" (1/1) ... [2024-11-09 04:29:32,268 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:32" (1/1) ... [2024-11-09 04:29:32,270 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:32" (1/1) ... [2024-11-09 04:29:32,272 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 04:29:32,273 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 04:29:32,273 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 04:29:32,274 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 04:29:32,275 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:32" (1/1) ... [2024-11-09 04:29:32,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:29:32,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e75459-cbb2-472c-8b12-e74f1948ff24/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:29:32,312 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e75459-cbb2-472c-8b12-e74f1948ff24/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 04:29:32,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e75459-cbb2-472c-8b12-e74f1948ff24/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 04:29:32,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 04:29:32,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 04:29:32,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-09 04:29:32,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-09 04:29:32,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 04:29:32,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 04:29:32,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2024-11-09 04:29:32,455 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 04:29:32,458 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 04:29:32,654 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-09 04:29:32,655 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 04:29:32,954 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 04:29:32,955 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 04:29:32,955 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:29:32 BoogieIcfgContainer [2024-11-09 04:29:32,956 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 04:29:32,958 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 04:29:32,959 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 04:29:32,963 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 04:29:32,963 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 04:29:31" (1/3) ... [2024-11-09 04:29:32,964 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62796c25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:29:32, skipping insertion in model container [2024-11-09 04:29:32,965 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:32" (2/3) ... [2024-11-09 04:29:32,965 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62796c25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:29:32, skipping insertion in model container [2024-11-09 04:29:32,965 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:29:32" (3/3) ... [2024-11-09 04:29:32,967 INFO L112 eAbstractionObserver]: Analyzing ICFG filter2_iterated.c [2024-11-09 04:29:32,989 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 04:29:32,990 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 04:29:33,068 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 04:29:33,078 INFO L333 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, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3ce0514a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 04:29:33,078 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 04:29:33,083 INFO L276 IsEmpty]: Start isEmpty. Operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:29:33,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-09 04:29:33,091 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:29:33,091 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-09 04:29:33,092 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:29:33,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:29:33,098 INFO L85 PathProgramCache]: Analyzing trace with hash 2660337, now seen corresponding path program 1 times [2024-11-09 04:29:33,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:29:33,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068853117] [2024-11-09 04:29:33,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:29:33,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:29:33,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 04:29:33,615 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 04:29:33,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 04:29:33,845 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 04:29:33,847 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 04:29:33,848 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 04:29:33,851 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 04:29:33,855 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 04:29:33,877 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 04:29:33,881 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 04:29:33 BoogieIcfgContainer [2024-11-09 04:29:33,882 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 04:29:33,882 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 04:29:33,882 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 04:29:33,883 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 04:29:33,883 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:29:32" (3/4) ... [2024-11-09 04:29:33,886 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 04:29:33,888 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 04:29:33,890 INFO L158 Benchmark]: Toolchain (without parser) took 2105.09ms. Allocated memory was 121.6MB in the beginning and 178.3MB in the end (delta: 56.6MB). Free memory was 84.8MB in the beginning and 111.7MB in the end (delta: -26.8MB). Peak memory consumption was 32.8MB. Max. memory is 16.1GB. [2024-11-09 04:29:33,890 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 121.6MB. Free memory is still 96.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 04:29:33,891 INFO L158 Benchmark]: CACSL2BoogieTranslator took 375.83ms. Allocated memory is still 121.6MB. Free memory was 84.8MB in the beginning and 71.2MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 04:29:33,892 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.13ms. Allocated memory is still 121.6MB. Free memory was 71.2MB in the beginning and 69.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 04:29:33,892 INFO L158 Benchmark]: Boogie Preprocessor took 39.49ms. Allocated memory is still 121.6MB. Free memory was 69.2MB in the beginning and 67.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 04:29:33,893 INFO L158 Benchmark]: RCFGBuilder took 682.41ms. Allocated memory was 121.6MB in the beginning and 178.3MB in the end (delta: 56.6MB). Free memory was 67.5MB in the beginning and 140.9MB in the end (delta: -73.4MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. [2024-11-09 04:29:33,896 INFO L158 Benchmark]: TraceAbstraction took 923.24ms. Allocated memory is still 178.3MB. Free memory was 140.0MB in the beginning and 112.7MB in the end (delta: 27.2MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-09 04:29:33,896 INFO L158 Benchmark]: Witness Printer took 5.43ms. Allocated memory is still 178.3MB. Free memory is still 112.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 04:29:33,902 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 121.6MB. Free memory is still 96.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 375.83ms. Allocated memory is still 121.6MB. Free memory was 84.8MB in the beginning and 71.2MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.13ms. Allocated memory is still 121.6MB. Free memory was 71.2MB in the beginning and 69.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.49ms. Allocated memory is still 121.6MB. Free memory was 69.2MB in the beginning and 67.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 682.41ms. Allocated memory was 121.6MB in the beginning and 178.3MB in the end (delta: 56.6MB). Free memory was 67.5MB in the beginning and 140.9MB in the end (delta: -73.4MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. * TraceAbstraction took 923.24ms. Allocated memory is still 178.3MB. Free memory was 140.0MB in the beginning and 112.7MB in the end (delta: 27.2MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Witness Printer took 5.43ms. Allocated memory is still 178.3MB. Free memory is still 112.7MB. 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: 9]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 63, overapproximation of to_real at line 58, overapproximation of someBinaryArithmeticDOUBLEoperation at line 62. Possible FailurePath: [L13] BOOLEAN INIT1, INIT2; [L14] float X, P; [L18] static float E[2], S[2]; [L38] static float E2[2], S2[2]; [L58] X = 0 [L59] INIT1 = TRUE [L60] INIT2 = TRUE VAL [E2={6:0}, E={4:0}, INIT1=1, INIT2=1, P=0, S2={7:0}, S={5:0}] [L61] COND TRUE \read(TRUE) [L62] X = 0.98*X + 85. [L63] COND TRUE X >= -400. && X <= 400. [L64] CALL filter1() [L19] COND TRUE \read(INIT1) [L20] S[0] = X [L21] P = X [L22] E[0] = X [L23] E[1] = 0. [L24] S[1] = 0. [L64] RET filter1() [L65] X = X + 100. [L66] INIT1 = FALSE [L74] CALL __VERIFIER_assert(X >= -1155. && X <= 4251.) [L9] COND TRUE !(cond) VAL [E2={6:0}, E={4:0}, INIT1=0, INIT2=1, P=0, S2={7:0}, S={5:0}] [L9] reach_error() VAL [E2={6:0}, E={4:0}, INIT1=0, INIT2=1, P=0, S2={7:0}, S={5:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 04:29:33,957 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e75459-cbb2-472c-8b12-e74f1948ff24/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e75459-cbb2-472c-8b12-e74f1948ff24/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e75459-cbb2-472c-8b12-e74f1948ff24/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e75459-cbb2-472c-8b12-e74f1948ff24/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e75459-cbb2-472c-8b12-e74f1948ff24/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/filter2_iterated.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e75459-cbb2-472c-8b12-e74f1948ff24/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e75459-cbb2-472c-8b12-e74f1948ff24/bin/utaipan-verify-YMUCfTKeje --witnessprinter.witness.filename witness --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 1b2a34283d37096850c6fa7d7933fe07674b3fa81a7da8c770f866e152d89627 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 04:29:36,544 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 04:29:36,647 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e75459-cbb2-472c-8b12-e74f1948ff24/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-09 04:29:36,654 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 04:29:36,656 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 04:29:36,693 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 04:29:36,693 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 04:29:36,694 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 04:29:36,695 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 04:29:36,695 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 04:29:36,695 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 04:29:36,696 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 04:29:36,698 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 04:29:36,698 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 04:29:36,699 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 04:29:36,699 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 04:29:36,700 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 04:29:36,700 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 04:29:36,700 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 04:29:36,701 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 04:29:36,704 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 04:29:36,705 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 04:29:36,705 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 04:29:36,705 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 04:29:36,706 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 04:29:36,706 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 04:29:36,706 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 04:29:36,707 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 04:29:36,707 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 04:29:36,707 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 04:29:36,707 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 04:29:36,708 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 04:29:36,711 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 04:29:36,711 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 04:29:36,712 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 04:29:36,712 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:29:36,712 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 04:29:36,713 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 04:29:36,713 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 04:29:36,713 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 04:29:36,713 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 04:29:36,715 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 04:29:36,716 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 04:29:36,716 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_72e75459-cbb2-472c-8b12-e74f1948ff24/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e75459-cbb2-472c-8b12-e74f1948ff24/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b2a34283d37096850c6fa7d7933fe07674b3fa81a7da8c770f866e152d89627 [2024-11-09 04:29:37,159 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 04:29:37,189 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 04:29:37,194 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 04:29:37,195 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 04:29:37,196 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 04:29:37,197 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e75459-cbb2-472c-8b12-e74f1948ff24/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/float-benchs/filter2_iterated.c Unable to find full path for "g++" [2024-11-09 04:29:39,395 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 04:29:39,674 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 04:29:39,674 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e75459-cbb2-472c-8b12-e74f1948ff24/sv-benchmarks/c/float-benchs/filter2_iterated.c [2024-11-09 04:29:39,682 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e75459-cbb2-472c-8b12-e74f1948ff24/bin/utaipan-verify-YMUCfTKeje/data/0e9793b2f/74f20ddd104745a498646cc58ff8afb0/FLAG148695622 [2024-11-09 04:29:39,989 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e75459-cbb2-472c-8b12-e74f1948ff24/bin/utaipan-verify-YMUCfTKeje/data/0e9793b2f/74f20ddd104745a498646cc58ff8afb0 [2024-11-09 04:29:39,991 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 04:29:39,992 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 04:29:39,994 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 04:29:39,994 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 04:29:40,000 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 04:29:40,001 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:29:39" (1/1) ... [2024-11-09 04:29:40,002 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@477452e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:40, skipping insertion in model container [2024-11-09 04:29:40,002 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:29:39" (1/1) ... [2024-11-09 04:29:40,030 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 04:29:40,263 WARN L250 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_72e75459-cbb2-472c-8b12-e74f1948ff24/sv-benchmarks/c/float-benchs/filter2_iterated.c[447,460] [2024-11-09 04:29:40,319 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:29:40,347 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 04:29:40,361 WARN L250 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_72e75459-cbb2-472c-8b12-e74f1948ff24/sv-benchmarks/c/float-benchs/filter2_iterated.c[447,460] [2024-11-09 04:29:40,391 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:29:40,435 INFO L204 MainTranslator]: Completed translation [2024-11-09 04:29:40,436 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:40 WrapperNode [2024-11-09 04:29:40,436 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 04:29:40,437 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 04:29:40,437 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 04:29:40,437 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 04:29:40,445 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:40" (1/1) ... [2024-11-09 04:29:40,461 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:40" (1/1) ... [2024-11-09 04:29:40,499 INFO L138 Inliner]: procedures = 18, calls = 53, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 108 [2024-11-09 04:29:40,500 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 04:29:40,504 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 04:29:40,505 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 04:29:40,505 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 04:29:40,517 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:40" (1/1) ... [2024-11-09 04:29:40,517 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:40" (1/1) ... [2024-11-09 04:29:40,523 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:40" (1/1) ... [2024-11-09 04:29:40,525 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:40" (1/1) ... [2024-11-09 04:29:40,538 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:40" (1/1) ... [2024-11-09 04:29:40,546 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:40" (1/1) ... [2024-11-09 04:29:40,548 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:40" (1/1) ... [2024-11-09 04:29:40,553 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:40" (1/1) ... [2024-11-09 04:29:40,556 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 04:29:40,559 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 04:29:40,560 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 04:29:40,560 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 04:29:40,561 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:40" (1/1) ... [2024-11-09 04:29:40,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:29:40,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e75459-cbb2-472c-8b12-e74f1948ff24/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:29:40,594 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e75459-cbb2-472c-8b12-e74f1948ff24/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 04:29:40,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e75459-cbb2-472c-8b12-e74f1948ff24/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 04:29:40,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 04:29:40,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2024-11-09 04:29:40,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 04:29:40,632 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2024-11-09 04:29:40,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 04:29:40,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 04:29:40,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-11-09 04:29:40,766 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 04:29:40,772 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 04:29:53,107 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-09 04:29:53,109 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 04:29:53,130 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 04:29:53,131 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 04:29:53,132 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:29:53 BoogieIcfgContainer [2024-11-09 04:29:53,132 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 04:29:53,137 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 04:29:53,138 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 04:29:53,142 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 04:29:53,143 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 04:29:39" (1/3) ... [2024-11-09 04:29:53,144 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dbae82a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:29:53, skipping insertion in model container [2024-11-09 04:29:53,146 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:40" (2/3) ... [2024-11-09 04:29:53,147 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dbae82a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:29:53, skipping insertion in model container [2024-11-09 04:29:53,148 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:29:53" (3/3) ... [2024-11-09 04:29:53,150 INFO L112 eAbstractionObserver]: Analyzing ICFG filter2_iterated.c [2024-11-09 04:29:53,177 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 04:29:53,178 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 04:29:53,259 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 04:29:53,267 INFO L333 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, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@47209e11, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 04:29:53,268 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 04:29:53,273 INFO L276 IsEmpty]: Start isEmpty. Operand has 18 states, 16 states have (on average 1.5) internal successors, (24), 17 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:29:53,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 04:29:53,281 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:29:53,281 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:29:53,282 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:29:53,288 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:29:53,289 INFO L85 PathProgramCache]: Analyzing trace with hash 275210611, now seen corresponding path program 1 times [2024-11-09 04:29:53,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:29:53,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [823300625] [2024-11-09 04:29:53,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:29:53,303 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:29:53,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e75459-cbb2-472c-8b12-e74f1948ff24/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:29:53,307 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e75459-cbb2-472c-8b12-e74f1948ff24/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 04:29:53,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e75459-cbb2-472c-8b12-e74f1948ff24/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-09 04:29:53,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:29:53,783 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 04:29:53,791 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:29:55,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 04:29:55,039 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:29:55,040 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:29:55,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [823300625] [2024-11-09 04:29:55,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [823300625] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:29:55,042 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:29:55,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 04:29:55,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484366292] [2024-11-09 04:29:55,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:29:55,049 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 04:29:55,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:29:55,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 04:29:55,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 04:29:55,094 INFO L87 Difference]: Start difference. First operand has 18 states, 16 states have (on average 1.5) internal successors, (24), 17 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:29:59,345 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.94s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:30:01,352 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:30:03,364 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:30:04,600 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:30:06,991 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:30:10,493 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.68s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:30:12,500 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:30:14,507 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:30:16,887 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.38s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:30:20,459 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:30:22,470 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:30:24,474 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:30:25,767 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:30:26,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:30:26,463 INFO L93 Difference]: Finished difference Result 34 states and 51 transitions. [2024-11-09 04:30:26,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 04:30:26,483 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.6) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-09 04:30:26,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:30:26,494 INFO L225 Difference]: With dead ends: 34 [2024-11-09 04:30:26,494 INFO L226 Difference]: Without dead ends: 18 [2024-11-09 04:30:26,497 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 04:30:26,514 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 22 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.3s IncrementalHoareTripleChecker+Time [2024-11-09 04:30:26,516 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 13 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 11 Unknown, 0 Unchecked, 31.3s Time] [2024-11-09 04:30:26,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2024-11-09 04:30:26,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 16. [2024-11-09 04:30:26,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 15 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:30:26,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 20 transitions. [2024-11-09 04:30:26,548 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 20 transitions. Word has length 8 [2024-11-09 04:30:26,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:30:26,549 INFO L471 AbstractCegarLoop]: Abstraction has 16 states and 20 transitions. [2024-11-09 04:30:26,549 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.6) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:30:26,549 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2024-11-09 04:30:26,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 04:30:26,550 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:30:26,550 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:30:26,567 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e75459-cbb2-472c-8b12-e74f1948ff24/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-09 04:30:26,751 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e75459-cbb2-472c-8b12-e74f1948ff24/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:30:26,752 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:30:26,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:30:26,753 INFO L85 PathProgramCache]: Analyzing trace with hash -333170948, now seen corresponding path program 1 times [2024-11-09 04:30:26,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:30:26,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [403996009] [2024-11-09 04:30:26,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:30:26,754 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:30:26,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e75459-cbb2-472c-8b12-e74f1948ff24/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:30:26,758 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e75459-cbb2-472c-8b12-e74f1948ff24/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 04:30:26,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e75459-cbb2-472c-8b12-e74f1948ff24/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-09 04:30:27,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:30:27,393 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 04:30:27,395 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:30:33,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 04:30:33,416 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:30:33,416 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:30:33,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [403996009] [2024-11-09 04:30:33,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [403996009] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:30:33,417 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:30:33,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 04:30:33,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924452194] [2024-11-09 04:30:33,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:30:33,419 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 04:30:33,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:30:33,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 04:30:33,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=27, Unknown=1, NotChecked=0, Total=42 [2024-11-09 04:30:33,421 INFO L87 Difference]: Start difference. First operand 16 states and 20 transitions. Second operand has 7 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:30:35,747 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:30:39,650 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.76s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:30:41,653 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:30:43,658 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:30:45,671 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:30:47,675 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:30:49,227 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:30:52,561 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:30:54,566 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:30:56,575 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:30:58,578 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:31:00,069 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:31:03,785 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.66s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:31:05,787 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:31:07,794 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:31:09,805 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:31:11,813 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:31:14,163 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.35s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:31:16,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:31:18,043 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:31:21,222 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:31:23,228 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:31:25,233 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:31:27,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:31:29,252 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:31:31,501 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:31:31,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:31:31,712 INFO L93 Difference]: Finished difference Result 24 states and 29 transitions. [2024-11-09 04:31:31,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 04:31:31,730 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-11-09 04:31:31,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:31:31,731 INFO L225 Difference]: With dead ends: 24 [2024-11-09 04:31:31,731 INFO L226 Difference]: Without dead ends: 22 [2024-11-09 04:31:31,732 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=19, Invalid=36, Unknown=1, NotChecked=0, Total=56 [2024-11-09 04:31:31,733 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 24 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 1 mSolverCounterUnsat, 22 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 56.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 22 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 58.0s IncrementalHoareTripleChecker+Time [2024-11-09 04:31:31,734 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 16 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 60 Invalid, 22 Unknown, 0 Unchecked, 58.0s Time] [2024-11-09 04:31:31,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2024-11-09 04:31:31,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 20. [2024-11-09 04:31:31,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 19 states have (on average 1.3157894736842106) internal successors, (25), 19 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:31:31,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 25 transitions. [2024-11-09 04:31:31,740 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 25 transitions. Word has length 9 [2024-11-09 04:31:31,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:31:31,740 INFO L471 AbstractCegarLoop]: Abstraction has 20 states and 25 transitions. [2024-11-09 04:31:31,741 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:31:31,741 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2024-11-09 04:31:31,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 04:31:31,742 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:31:31,742 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:31:31,757 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e75459-cbb2-472c-8b12-e74f1948ff24/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-09 04:31:31,942 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e75459-cbb2-472c-8b12-e74f1948ff24/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:31:31,943 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:31:31,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:31:31,944 INFO L85 PathProgramCache]: Analyzing trace with hash -331323906, now seen corresponding path program 1 times [2024-11-09 04:31:31,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:31:31,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1238649174] [2024-11-09 04:31:31,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:31:31,945 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:31:31,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e75459-cbb2-472c-8b12-e74f1948ff24/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:31:31,946 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e75459-cbb2-472c-8b12-e74f1948ff24/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 04:31:31,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e75459-cbb2-472c-8b12-e74f1948ff24/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-09 04:31:34,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:31:34,076 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 04:31:34,077 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:31:34,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 04:31:34,390 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:31:34,391 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:31:34,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1238649174] [2024-11-09 04:31:34,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1238649174] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:31:34,392 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:31:34,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 04:31:34,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106684819] [2024-11-09 04:31:34,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:31:34,393 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 04:31:34,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:31:34,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 04:31:34,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 04:31:34,394 INFO L87 Difference]: Start difference. First operand 20 states and 25 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:31:37,594 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.76s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:31:37,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:31:37,596 INFO L93 Difference]: Finished difference Result 32 states and 41 transitions. [2024-11-09 04:31:37,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 04:31:37,922 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-11-09 04:31:37,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:31:37,922 INFO L225 Difference]: With dead ends: 32 [2024-11-09 04:31:37,922 INFO L226 Difference]: Without dead ends: 20 [2024-11-09 04:31:37,923 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 04:31:37,924 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 1 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2024-11-09 04:31:37,925 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 30 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 1 Unknown, 0 Unchecked, 3.2s Time] [2024-11-09 04:31:37,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2024-11-09 04:31:37,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2024-11-09 04:31:37,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 19 states have (on average 1.263157894736842) internal successors, (24), 19 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:31:37,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 24 transitions. [2024-11-09 04:31:37,931 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 24 transitions. Word has length 9 [2024-11-09 04:31:37,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:31:37,931 INFO L471 AbstractCegarLoop]: Abstraction has 20 states and 24 transitions. [2024-11-09 04:31:37,932 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:31:37,932 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2024-11-09 04:31:37,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-09 04:31:37,933 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:31:37,933 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:31:37,973 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e75459-cbb2-472c-8b12-e74f1948ff24/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-09 04:31:38,133 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e75459-cbb2-472c-8b12-e74f1948ff24/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:31:38,134 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:31:38,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:31:38,139 INFO L85 PathProgramCache]: Analyzing trace with hash 996657613, now seen corresponding path program 1 times [2024-11-09 04:31:38,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:31:38,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [533984355] [2024-11-09 04:31:38,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:31:38,140 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:31:38,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e75459-cbb2-472c-8b12-e74f1948ff24/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:31:38,143 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e75459-cbb2-472c-8b12-e74f1948ff24/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 04:31:38,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e75459-cbb2-472c-8b12-e74f1948ff24/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-09 04:31:39,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:31:39,053 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 04:31:39,055 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:31:58,512 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 04:31:58,512 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:32:10,459 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 49.0 50.0)) ((_ to_fp 11 53) c_currentRoundingMode c_~X~0)) ((_ to_fp 11 53) c_currentRoundingMode 85.0))))) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode 400.0))) (and (fp.leq .cse0 .cse1) (fp.geq .cse0 (fp.neg .cse1)))) is different from false [2024-11-09 04:32:12,513 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 49.0 50.0)) ((_ to_fp 11 53) c_currentRoundingMode c_~X~0)) ((_ to_fp 11 53) c_currentRoundingMode 85.0))))) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode 400.0))) (and (fp.leq .cse0 .cse1) (fp.geq .cse0 (fp.neg .cse1)))) is different from true [2024-11-09 04:32:48,305 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 49.0 50.0)) ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode c_~X~0) ((_ to_fp 11 53) c_currentRoundingMode 100.0))))) ((_ to_fp 11 53) c_currentRoundingMode 85.0))))) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode 400.0))) (and (fp.geq .cse0 (fp.neg .cse1)) (fp.leq .cse0 .cse1))) is different from false [2024-11-09 04:32:50,381 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 49.0 50.0)) ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode c_~X~0) ((_ to_fp 11 53) c_currentRoundingMode 100.0))))) ((_ to_fp 11 53) c_currentRoundingMode 85.0))))) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode 400.0))) (and (fp.geq .cse0 (fp.neg .cse1)) (fp.leq .cse0 .cse1))) is different from true [2024-11-09 04:33:18,424 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (let ((.cse3 ((_ to_fp 11 53) c_currentRoundingMode 85.0))) (fp.add c_currentRoundingMode (let ((.cse2 ((_ to_fp 11 53) c_currentRoundingMode (/ 49.0 50.0)))) (fp.mul c_currentRoundingMode .cse2 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode .cse2 ((_ to_fp 11 53) c_currentRoundingMode c_~X~0)) .cse3))) ((_ to_fp 11 53) c_currentRoundingMode 100.0)))))) .cse3))))) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode 400.0))) (and (fp.geq .cse0 (fp.neg .cse1)) (fp.leq .cse0 .cse1))) is different from false [2024-11-09 04:33:20,538 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (let ((.cse3 ((_ to_fp 11 53) c_currentRoundingMode 85.0))) (fp.add c_currentRoundingMode (let ((.cse2 ((_ to_fp 11 53) c_currentRoundingMode (/ 49.0 50.0)))) (fp.mul c_currentRoundingMode .cse2 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode .cse2 ((_ to_fp 11 53) c_currentRoundingMode c_~X~0)) .cse3))) ((_ to_fp 11 53) c_currentRoundingMode 100.0)))))) .cse3))))) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode 400.0))) (and (fp.geq .cse0 (fp.neg .cse1)) (fp.leq .cse0 .cse1))) is different from true [2024-11-09 04:33:26,217 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2024-11-09 04:33:26,218 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:33:26,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [533984355] [2024-11-09 04:33:26,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [533984355] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 04:33:26,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [243974504] [2024-11-09 04:33:26,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:33:26,219 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 04:33:26,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e75459-cbb2-472c-8b12-e74f1948ff24/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 04:33:26,222 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e75459-cbb2-472c-8b12-e74f1948ff24/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 04:33:26,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e75459-cbb2-472c-8b12-e74f1948ff24/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-09 04:33:27,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:33:27,066 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 04:33:27,067 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:33:29,963 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 04:33:29,964 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:34:35,893 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse2 ((_ to_fp 11 53) c_currentRoundingMode c_~X~0)) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode 400.0))) (or (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 49.0 50.0)) ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode .cse2 ((_ to_fp 11 53) c_currentRoundingMode 100.0))))) ((_ to_fp 11 53) c_currentRoundingMode 85.0)))))) (and (fp.geq .cse0 (fp.neg .cse1)) (fp.leq .cse0 .cse1))) (not (fp.leq .cse2 .cse1)))) is different from false [2024-11-09 04:34:37,971 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse2 ((_ to_fp 11 53) c_currentRoundingMode c_~X~0)) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode 400.0))) (or (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 49.0 50.0)) ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode .cse2 ((_ to_fp 11 53) c_currentRoundingMode 100.0))))) ((_ to_fp 11 53) c_currentRoundingMode 85.0)))))) (and (fp.geq .cse0 (fp.neg .cse1)) (fp.leq .cse0 .cse1))) (not (fp.leq .cse2 .cse1)))) is different from true [2024-11-09 04:34:53,543 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse3 ((_ to_fp 11 53) c_currentRoundingMode (/ 49.0 50.0))) (.cse4 ((_ to_fp 11 53) c_currentRoundingMode 85.0))) (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode 400.0)) (.cse0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode .cse3 ((_ to_fp 11 53) c_currentRoundingMode c_~X~0)) .cse4))))) (or (not (fp.leq .cse0 .cse1)) (let ((.cse2 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode .cse3 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode .cse0 ((_ to_fp 11 53) c_currentRoundingMode 100.0))))) .cse4))))) (and (fp.geq .cse2 (fp.neg .cse1)) (fp.leq .cse2 .cse1)))))) is different from false [2024-11-09 04:34:55,676 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse3 ((_ to_fp 11 53) c_currentRoundingMode (/ 49.0 50.0))) (.cse4 ((_ to_fp 11 53) c_currentRoundingMode 85.0))) (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode 400.0)) (.cse0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode .cse3 ((_ to_fp 11 53) c_currentRoundingMode c_~X~0)) .cse4))))) (or (not (fp.leq .cse0 .cse1)) (let ((.cse2 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode .cse3 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode .cse0 ((_ to_fp 11 53) c_currentRoundingMode 100.0))))) .cse4))))) (and (fp.geq .cse2 (fp.neg .cse1)) (fp.leq .cse2 .cse1)))))) is different from true [2024-11-09 04:35:01,629 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2024-11-09 04:35:01,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [243974504] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 04:35:01,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1176458321] [2024-11-09 04:35:01,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:35:01,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:35:01,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e75459-cbb2-472c-8b12-e74f1948ff24/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:35:01,631 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e75459-cbb2-472c-8b12-e74f1948ff24/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 04:35:01,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e75459-cbb2-472c-8b12-e74f1948ff24/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-09 04:35:31,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:35:31,868 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-09 04:35:31,872 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:35:55,420 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 04:35:55,420 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:36:09,997 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 49.0 50.0)) ((_ to_fp 11 53) c_currentRoundingMode c_~X~0)) ((_ to_fp 11 53) c_currentRoundingMode 85.0)))))) (and (fp.geq .cse0 (fp.neg ((_ to_fp 11 53) c_currentRoundingMode 1155.0))) (fp.leq .cse0 ((_ to_fp 11 53) c_currentRoundingMode 4251.0)))) is different from false [2024-11-09 04:36:12,056 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 49.0 50.0)) ((_ to_fp 11 53) c_currentRoundingMode c_~X~0)) ((_ to_fp 11 53) c_currentRoundingMode 85.0)))))) (and (fp.geq .cse0 (fp.neg ((_ to_fp 11 53) c_currentRoundingMode 1155.0))) (fp.leq .cse0 ((_ to_fp 11 53) c_currentRoundingMode 4251.0)))) is different from true [2024-11-09 04:36:35,192 WARN L851 $PredicateComparison]: unable to prove that (or (= |c_ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv0 32)) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 49.0 50.0)) ((_ to_fp 11 53) c_currentRoundingMode c_~X~0)) ((_ to_fp 11 53) c_currentRoundingMode 85.0)))))) (and (fp.geq .cse0 (fp.neg ((_ to_fp 11 53) c_currentRoundingMode 1155.0))) (fp.leq .cse0 ((_ to_fp 11 53) c_currentRoundingMode 4251.0))))) is different from false [2024-11-09 04:36:37,254 WARN L873 $PredicateComparison]: unable to prove that (or (= |c_ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv0 32)) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 49.0 50.0)) ((_ to_fp 11 53) c_currentRoundingMode c_~X~0)) ((_ to_fp 11 53) c_currentRoundingMode 85.0)))))) (and (fp.geq .cse0 (fp.neg ((_ to_fp 11 53) c_currentRoundingMode 1155.0))) (fp.leq .cse0 ((_ to_fp 11 53) c_currentRoundingMode 4251.0))))) is different from true [2024-11-09 04:36:56,247 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse2 (fp.neg ((_ to_fp 11 53) c_currentRoundingMode 1155.0))) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode 4251.0)) (.cse0 ((_ to_fp 11 53) c_currentRoundingMode c_~X~0))) (or (not (fp.leq .cse0 .cse1)) (not (fp.geq .cse0 .cse2)) (let ((.cse3 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 49.0 50.0)) .cse0) ((_ to_fp 11 53) c_currentRoundingMode 85.0)))))) (and (fp.geq .cse3 .cse2) (fp.leq .cse3 .cse1))))) is different from false [2024-11-09 04:36:58,308 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse2 (fp.neg ((_ to_fp 11 53) c_currentRoundingMode 1155.0))) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode 4251.0)) (.cse0 ((_ to_fp 11 53) c_currentRoundingMode c_~X~0))) (or (not (fp.leq .cse0 .cse1)) (not (fp.geq .cse0 .cse2)) (let ((.cse3 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 49.0 50.0)) .cse0) ((_ to_fp 11 53) c_currentRoundingMode 85.0)))))) (and (fp.geq .cse3 .cse2) (fp.leq .cse3 .cse1))))) is different from true [2024-11-09 04:37:17,934 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse2 (fp.neg ((_ to_fp 11 53) c_currentRoundingMode 1155.0))) (.cse3 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode c_~X~0) ((_ to_fp 11 53) c_currentRoundingMode 100.0))))) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode 4251.0))) (or (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 49.0 50.0)) .cse3) ((_ to_fp 11 53) c_currentRoundingMode 85.0)))))) (and (fp.leq .cse0 .cse1) (fp.geq .cse0 .cse2))) (not (fp.geq .cse3 .cse2)) (not (fp.leq .cse3 .cse1)))) is different from false [2024-11-09 04:37:20,061 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse2 (fp.neg ((_ to_fp 11 53) c_currentRoundingMode 1155.0))) (.cse3 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode c_~X~0) ((_ to_fp 11 53) c_currentRoundingMode 100.0))))) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode 4251.0))) (or (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 49.0 50.0)) .cse3) ((_ to_fp 11 53) c_currentRoundingMode 85.0)))))) (and (fp.leq .cse0 .cse1) (fp.geq .cse0 .cse2))) (not (fp.geq .cse3 .cse2)) (not (fp.leq .cse3 .cse1)))) is different from true [2024-11-09 04:37:43,858 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse2 (fp.neg ((_ to_fp 11 53) c_currentRoundingMode 1155.0))) (.cse3 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode c_~X~0) ((_ to_fp 11 53) c_currentRoundingMode 100.0))))) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode 4251.0))) (or (= (_ bv0 32) c_~INIT1~0) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 49.0 50.0)) .cse3) ((_ to_fp 11 53) c_currentRoundingMode 85.0)))))) (and (fp.leq .cse0 .cse1) (fp.geq .cse0 .cse2))) (not (fp.geq .cse3 .cse2)) (not (fp.leq .cse3 .cse1)))) is different from false [2024-11-09 04:37:45,944 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse2 (fp.neg ((_ to_fp 11 53) c_currentRoundingMode 1155.0))) (.cse3 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode c_~X~0) ((_ to_fp 11 53) c_currentRoundingMode 100.0))))) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode 4251.0))) (or (= (_ bv0 32) c_~INIT1~0) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 49.0 50.0)) .cse3) ((_ to_fp 11 53) c_currentRoundingMode 85.0)))))) (and (fp.leq .cse0 .cse1) (fp.geq .cse0 .cse2))) (not (fp.geq .cse3 .cse2)) (not (fp.leq .cse3 .cse1)))) is different from true [2024-11-09 04:38:18,607 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse4 ((_ to_fp 11 53) c_currentRoundingMode c_~X~0))) (let ((.cse2 (fp.neg ((_ to_fp 11 53) c_currentRoundingMode 1155.0))) (.cse3 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode .cse4 ((_ to_fp 11 53) c_currentRoundingMode 100.0))))) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode 4251.0)) (.cse5 ((_ to_fp 11 53) c_currentRoundingMode 400.0))) (or (= (_ bv0 32) c_~INIT1~0) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 49.0 50.0)) .cse3) ((_ to_fp 11 53) c_currentRoundingMode 85.0)))))) (and (fp.leq .cse0 .cse1) (fp.geq .cse0 .cse2))) (not (fp.leq .cse4 .cse5)) (not (fp.geq .cse3 .cse2)) (not (fp.leq .cse3 .cse1)) (not (fp.geq .cse4 (fp.neg .cse5)))))) is different from false [2024-11-09 04:38:20,846 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse4 ((_ to_fp 11 53) c_currentRoundingMode c_~X~0))) (let ((.cse2 (fp.neg ((_ to_fp 11 53) c_currentRoundingMode 1155.0))) (.cse3 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode .cse4 ((_ to_fp 11 53) c_currentRoundingMode 100.0))))) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode 4251.0)) (.cse5 ((_ to_fp 11 53) c_currentRoundingMode 400.0))) (or (= (_ bv0 32) c_~INIT1~0) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 49.0 50.0)) .cse3) ((_ to_fp 11 53) c_currentRoundingMode 85.0)))))) (and (fp.leq .cse0 .cse1) (fp.geq .cse0 .cse2))) (not (fp.leq .cse4 .cse5)) (not (fp.geq .cse3 .cse2)) (not (fp.leq .cse3 .cse1)) (not (fp.geq .cse4 (fp.neg .cse5)))))) is different from true [2024-11-09 04:38:55,391 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse6 ((_ to_fp 11 53) c_currentRoundingMode (/ 49.0 50.0))) (.cse7 ((_ to_fp 11 53) c_currentRoundingMode 85.0))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode .cse6 ((_ to_fp 11 53) c_currentRoundingMode c_~X~0)) .cse7))))) (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode 400.0)) (.cse3 (fp.neg ((_ to_fp 11 53) c_currentRoundingMode 1155.0))) (.cse2 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode .cse0 ((_ to_fp 11 53) c_currentRoundingMode 100.0))))) (.cse5 ((_ to_fp 11 53) c_currentRoundingMode 4251.0))) (or (not (fp.geq .cse0 (fp.neg .cse1))) (= (_ bv0 32) c_~INIT1~0) (not (fp.geq .cse2 .cse3)) (not (fp.leq .cse0 .cse1)) (let ((.cse4 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode .cse6 .cse2) .cse7))))) (and (fp.geq .cse4 .cse3) (fp.leq .cse4 .cse5))) (not (fp.leq .cse2 .cse5)))))) is different from false [2024-11-09 04:38:57,552 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse6 ((_ to_fp 11 53) c_currentRoundingMode (/ 49.0 50.0))) (.cse7 ((_ to_fp 11 53) c_currentRoundingMode 85.0))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode .cse6 ((_ to_fp 11 53) c_currentRoundingMode c_~X~0)) .cse7))))) (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode 400.0)) (.cse3 (fp.neg ((_ to_fp 11 53) c_currentRoundingMode 1155.0))) (.cse2 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode .cse0 ((_ to_fp 11 53) c_currentRoundingMode 100.0))))) (.cse5 ((_ to_fp 11 53) c_currentRoundingMode 4251.0))) (or (not (fp.geq .cse0 (fp.neg .cse1))) (= (_ bv0 32) c_~INIT1~0) (not (fp.geq .cse2 .cse3)) (not (fp.leq .cse0 .cse1)) (let ((.cse4 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode .cse6 .cse2) .cse7))))) (and (fp.geq .cse4 .cse3) (fp.leq .cse4 .cse5))) (not (fp.leq .cse2 .cse5)))))) is different from true [2024-11-09 04:39:07,506 WARN L851 $PredicateComparison]: unable to prove that (fp.geq ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode 85.0))) (fp.add c_currentRoundingMode (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 49.0 50.0)))) (fp.mul c_currentRoundingMode .cse0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode .cse0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (_ bv0 32)))) .cse1))) ((_ to_fp 11 53) c_currentRoundingMode 100.0)))))) .cse1)))) (fp.neg ((_ to_fp 11 53) c_currentRoundingMode 1155.0))) is different from false [2024-11-09 04:39:09,538 WARN L873 $PredicateComparison]: unable to prove that (fp.geq ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode 85.0))) (fp.add c_currentRoundingMode (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 49.0 50.0)))) (fp.mul c_currentRoundingMode .cse0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode .cse0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (_ bv0 32)))) .cse1))) ((_ to_fp 11 53) c_currentRoundingMode 100.0)))))) .cse1)))) (fp.neg ((_ to_fp 11 53) c_currentRoundingMode 1155.0))) is different from true [2024-11-09 04:39:09,539 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 4 not checked. [2024-11-09 04:39:09,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1176458321] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 04:39:09,540 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2024-11-09 04:39:09,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6, 7, 8, 11] total 26 [2024-11-09 04:39:09,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110800192] [2024-11-09 04:39:09,540 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2024-11-09 04:39:09,541 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-09 04:39:09,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:39:09,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-09 04:39:09,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=96, Unknown=37, NotChecked=442, Total=650 [2024-11-09 04:39:09,545 INFO L87 Difference]: Start difference. First operand 20 states and 24 transitions. Second operand has 26 states, 26 states have (on average 1.8846153846153846) internal successors, (49), 26 states have internal predecessors, (49), 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) [2024-11-09 04:39:11,797 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ to_fp 8 24) c_currentRoundingMode (_ bv0 32)))) (and (fp.geq ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (let ((.cse2 ((_ to_fp 11 53) c_currentRoundingMode 85.0))) (fp.add c_currentRoundingMode (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 49.0 50.0)))) (fp.mul c_currentRoundingMode .cse0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode .cse0 ((_ to_fp 11 53) c_currentRoundingMode .cse1)) .cse2))) ((_ to_fp 11 53) c_currentRoundingMode 100.0)))))) .cse2)))) (fp.neg ((_ to_fp 11 53) c_currentRoundingMode 1155.0))) (= .cse1 c_~X~0) (= c_currentRoundingMode roundNearestTiesToEven))) is different from true [2024-11-09 04:39:13,925 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse10 ((_ to_fp 11 53) c_currentRoundingMode (/ 49.0 50.0))) (.cse11 ((_ to_fp 11 53) c_currentRoundingMode 85.0))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode .cse10 ((_ to_fp 11 53) c_currentRoundingMode c_~X~0)) .cse11))))) (let ((.cse9 ((_ to_fp 11 53) c_currentRoundingMode 400.0)) (.cse2 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode .cse0 ((_ to_fp 11 53) c_currentRoundingMode 100.0)))))) (let ((.cse5 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode .cse10 .cse2) .cse11)))) (.cse1 (fp.neg .cse9))) (let ((.cse4 (not (fp.leq .cse0 .cse9))) (.cse7 (fp.geq .cse5 .cse1)) (.cse8 (fp.leq .cse5 .cse9))) (and (= ((_ to_fp 8 24) c_currentRoundingMode (_ bv0 32)) c_~X~0) (let ((.cse3 (fp.neg ((_ to_fp 11 53) c_currentRoundingMode 1155.0))) (.cse6 ((_ to_fp 11 53) c_currentRoundingMode 4251.0))) (or (not (fp.geq .cse0 .cse1)) (= (_ bv0 32) c_~INIT1~0) (not (fp.geq .cse2 .cse3)) .cse4 (and (fp.geq .cse5 .cse3) (fp.leq .cse5 .cse6)) (not (fp.leq .cse2 .cse6)))) (or .cse4 (and .cse7 .cse8)) .cse7 .cse8 (= (_ bv1 32) c_~INIT1~0) (= c_currentRoundingMode roundNearestTiesToEven))))))) is different from false [2024-11-09 04:39:16,097 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse10 ((_ to_fp 11 53) c_currentRoundingMode (/ 49.0 50.0))) (.cse11 ((_ to_fp 11 53) c_currentRoundingMode 85.0))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode .cse10 ((_ to_fp 11 53) c_currentRoundingMode c_~X~0)) .cse11))))) (let ((.cse9 ((_ to_fp 11 53) c_currentRoundingMode 400.0)) (.cse2 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode .cse0 ((_ to_fp 11 53) c_currentRoundingMode 100.0)))))) (let ((.cse5 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode .cse10 .cse2) .cse11)))) (.cse1 (fp.neg .cse9))) (let ((.cse4 (not (fp.leq .cse0 .cse9))) (.cse7 (fp.geq .cse5 .cse1)) (.cse8 (fp.leq .cse5 .cse9))) (and (= ((_ to_fp 8 24) c_currentRoundingMode (_ bv0 32)) c_~X~0) (let ((.cse3 (fp.neg ((_ to_fp 11 53) c_currentRoundingMode 1155.0))) (.cse6 ((_ to_fp 11 53) c_currentRoundingMode 4251.0))) (or (not (fp.geq .cse0 .cse1)) (= (_ bv0 32) c_~INIT1~0) (not (fp.geq .cse2 .cse3)) .cse4 (and (fp.geq .cse5 .cse3) (fp.leq .cse5 .cse6)) (not (fp.leq .cse2 .cse6)))) (or .cse4 (and .cse7 .cse8)) .cse7 .cse8 (= (_ bv1 32) c_~INIT1~0) (= c_currentRoundingMode roundNearestTiesToEven))))))) is different from true [2024-11-09 04:39:18,169 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse8 ((_ to_fp 11 53) c_currentRoundingMode c_~X~0))) (let ((.cse11 ((_ to_fp 11 53) c_currentRoundingMode 400.0)) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode (/ 49.0 50.0))) (.cse7 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode .cse8 ((_ to_fp 11 53) c_currentRoundingMode 100.0))))) (.cse2 ((_ to_fp 11 53) c_currentRoundingMode 85.0))) (let ((.cse3 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode .cse1 .cse7) .cse2)))) (.cse9 (fp.neg .cse11))) (let ((.cse0 (fp.geq .cse3 .cse9)) (.cse10 (fp.leq .cse3 .cse11)) (.cse6 (not (fp.leq .cse8 .cse11)))) (and .cse0 (= ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode .cse1 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (_ bv0 32)))) .cse2)) c_~X~0) (let ((.cse5 (fp.neg ((_ to_fp 11 53) c_currentRoundingMode 1155.0))) (.cse4 ((_ to_fp 11 53) c_currentRoundingMode 4251.0))) (or (= (_ bv0 32) c_~INIT1~0) (and (fp.leq .cse3 .cse4) (fp.geq .cse3 .cse5)) .cse6 (not (fp.geq .cse7 .cse5)) (not (fp.leq .cse7 .cse4)) (not (fp.geq .cse8 .cse9)))) .cse10 (= (_ bv1 32) c_~INIT1~0) (or (and .cse0 .cse10) .cse6) (= c_currentRoundingMode roundNearestTiesToEven)))))) is different from false [2024-11-09 04:39:20,290 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse8 ((_ to_fp 11 53) c_currentRoundingMode c_~X~0))) (let ((.cse11 ((_ to_fp 11 53) c_currentRoundingMode 400.0)) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode (/ 49.0 50.0))) (.cse7 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode .cse8 ((_ to_fp 11 53) c_currentRoundingMode 100.0))))) (.cse2 ((_ to_fp 11 53) c_currentRoundingMode 85.0))) (let ((.cse3 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode .cse1 .cse7) .cse2)))) (.cse9 (fp.neg .cse11))) (let ((.cse0 (fp.geq .cse3 .cse9)) (.cse10 (fp.leq .cse3 .cse11)) (.cse6 (not (fp.leq .cse8 .cse11)))) (and .cse0 (= ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode .cse1 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (_ bv0 32)))) .cse2)) c_~X~0) (let ((.cse5 (fp.neg ((_ to_fp 11 53) c_currentRoundingMode 1155.0))) (.cse4 ((_ to_fp 11 53) c_currentRoundingMode 4251.0))) (or (= (_ bv0 32) c_~INIT1~0) (and (fp.leq .cse3 .cse4) (fp.geq .cse3 .cse5)) .cse6 (not (fp.geq .cse7 .cse5)) (not (fp.leq .cse7 .cse4)) (not (fp.geq .cse8 .cse9)))) .cse10 (= (_ bv1 32) c_~INIT1~0) (or (and .cse0 .cse10) .cse6) (= c_currentRoundingMode roundNearestTiesToEven)))))) is different from true [2024-11-09 04:39:22,374 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse5 ((_ to_fp 11 53) c_currentRoundingMode (/ 49.0 50.0))) (.cse3 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode c_~X~0) ((_ to_fp 11 53) c_currentRoundingMode 100.0))))) (.cse6 ((_ to_fp 11 53) c_currentRoundingMode 85.0))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode .cse5 .cse3) .cse6)))) (.cse4 ((_ to_fp 11 53) c_currentRoundingMode 400.0))) (and (let ((.cse2 (fp.neg ((_ to_fp 11 53) c_currentRoundingMode 1155.0))) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode 4251.0))) (or (= (_ bv0 32) c_~INIT1~0) (and (fp.leq .cse0 .cse1) (fp.geq .cse0 .cse2)) (not (fp.geq .cse3 .cse2)) (not (fp.leq .cse3 .cse1)))) (fp.geq .cse0 (fp.neg .cse4)) (= ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode .cse5 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (_ bv0 32)))) .cse6)) c_~X~0) (fp.leq .cse0 .cse4) (= (_ bv1 32) c_~INIT1~0) (= c_currentRoundingMode roundNearestTiesToEven)))) is different from false [2024-11-09 04:39:24,478 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse5 ((_ to_fp 11 53) c_currentRoundingMode (/ 49.0 50.0))) (.cse3 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode c_~X~0) ((_ to_fp 11 53) c_currentRoundingMode 100.0))))) (.cse6 ((_ to_fp 11 53) c_currentRoundingMode 85.0))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode .cse5 .cse3) .cse6)))) (.cse4 ((_ to_fp 11 53) c_currentRoundingMode 400.0))) (and (let ((.cse2 (fp.neg ((_ to_fp 11 53) c_currentRoundingMode 1155.0))) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode 4251.0))) (or (= (_ bv0 32) c_~INIT1~0) (and (fp.leq .cse0 .cse1) (fp.geq .cse0 .cse2)) (not (fp.geq .cse3 .cse2)) (not (fp.leq .cse3 .cse1)))) (fp.geq .cse0 (fp.neg .cse4)) (= ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode .cse5 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (_ bv0 32)))) .cse6)) c_~X~0) (fp.leq .cse0 .cse4) (= (_ bv1 32) c_~INIT1~0) (= c_currentRoundingMode roundNearestTiesToEven)))) is different from true [2024-11-09 04:39:26,560 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse2 ((_ to_fp 11 53) c_currentRoundingMode (/ 49.0 50.0))) (.cse6 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode c_~X~0) ((_ to_fp 11 53) c_currentRoundingMode 100.0))))) (.cse3 ((_ to_fp 11 53) c_currentRoundingMode 85.0))) (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode 400.0)) (.cse0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode .cse2 .cse6) .cse3))))) (and (fp.geq .cse0 (fp.neg .cse1)) (= ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode .cse2 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (_ bv0 32)))) .cse3)) c_~X~0) (fp.leq .cse0 .cse1) (let ((.cse5 (fp.neg ((_ to_fp 11 53) c_currentRoundingMode 1155.0))) (.cse4 ((_ to_fp 11 53) c_currentRoundingMode 4251.0))) (or (and (fp.leq .cse0 .cse4) (fp.geq .cse0 .cse5)) (not (fp.geq .cse6 .cse5)) (not (fp.leq .cse6 .cse4)))) (= c_currentRoundingMode roundNearestTiesToEven)))) is different from false [2024-11-09 04:39:28,655 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse2 ((_ to_fp 11 53) c_currentRoundingMode (/ 49.0 50.0))) (.cse6 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode c_~X~0) ((_ to_fp 11 53) c_currentRoundingMode 100.0))))) (.cse3 ((_ to_fp 11 53) c_currentRoundingMode 85.0))) (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode 400.0)) (.cse0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode .cse2 .cse6) .cse3))))) (and (fp.geq .cse0 (fp.neg .cse1)) (= ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode .cse2 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (_ bv0 32)))) .cse3)) c_~X~0) (fp.leq .cse0 .cse1) (let ((.cse5 (fp.neg ((_ to_fp 11 53) c_currentRoundingMode 1155.0))) (.cse4 ((_ to_fp 11 53) c_currentRoundingMode 4251.0))) (or (and (fp.leq .cse0 .cse4) (fp.geq .cse0 .cse5)) (not (fp.geq .cse6 .cse5)) (not (fp.leq .cse6 .cse4)))) (= c_currentRoundingMode roundNearestTiesToEven)))) is different from true [2024-11-09 04:39:30,746 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse2 ((_ to_fp 11 53) c_currentRoundingMode (/ 49.0 50.0))) (.cse4 ((_ to_fp 11 53) c_currentRoundingMode c_~X~0)) (.cse3 ((_ to_fp 11 53) c_currentRoundingMode 85.0))) (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode 400.0)) (.cse0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode .cse2 .cse4) .cse3))))) (and (fp.leq .cse0 .cse1) (fp.geq .cse0 (fp.neg .cse1)) (= ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode .cse2 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (_ bv0 32)))) .cse3))) ((_ to_fp 11 53) c_currentRoundingMode 100.0))) c_~X~0) (= c_currentRoundingMode roundNearestTiesToEven) (let ((.cse6 (fp.neg ((_ to_fp 11 53) c_currentRoundingMode 1155.0))) (.cse5 ((_ to_fp 11 53) c_currentRoundingMode 4251.0))) (or (not (fp.leq .cse4 .cse5)) (not (fp.geq .cse4 .cse6)) (and (fp.geq .cse0 .cse6) (fp.leq .cse0 .cse5))))))) is different from false [2024-11-09 04:39:32,844 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse2 ((_ to_fp 11 53) c_currentRoundingMode (/ 49.0 50.0))) (.cse4 ((_ to_fp 11 53) c_currentRoundingMode c_~X~0)) (.cse3 ((_ to_fp 11 53) c_currentRoundingMode 85.0))) (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode 400.0)) (.cse0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode .cse2 .cse4) .cse3))))) (and (fp.leq .cse0 .cse1) (fp.geq .cse0 (fp.neg .cse1)) (= ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode .cse2 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (_ bv0 32)))) .cse3))) ((_ to_fp 11 53) c_currentRoundingMode 100.0))) c_~X~0) (= c_currentRoundingMode roundNearestTiesToEven) (let ((.cse6 (fp.neg ((_ to_fp 11 53) c_currentRoundingMode 1155.0))) (.cse5 ((_ to_fp 11 53) c_currentRoundingMode 4251.0))) (or (not (fp.leq .cse4 .cse5)) (not (fp.geq .cse4 .cse6)) (and (fp.geq .cse0 .cse6) (fp.leq .cse0 .cse5))))))) is different from true [2024-11-09 04:39:34,964 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse2 ((_ to_fp 11 53) c_currentRoundingMode (/ 49.0 50.0))) (.cse3 ((_ to_fp 11 53) c_currentRoundingMode 85.0))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode .cse2 ((_ to_fp 11 53) c_currentRoundingMode c_~X~0)) .cse3)))) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode 400.0))) (and (or (= |c_ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv0 32)) (and (fp.geq .cse0 (fp.neg ((_ to_fp 11 53) c_currentRoundingMode 1155.0))) (fp.leq .cse0 ((_ to_fp 11 53) c_currentRoundingMode 4251.0)))) (fp.leq .cse0 .cse1) (fp.geq .cse0 (fp.neg .cse1)) (= ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode .cse2 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (_ bv0 32)))) .cse3))) ((_ to_fp 11 53) c_currentRoundingMode 100.0))) c_~X~0) (= c_currentRoundingMode roundNearestTiesToEven) (= |c_ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv1 32))))) is different from true [2024-11-09 04:39:37,015 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse2 ((_ to_fp 11 53) c_currentRoundingMode (/ 49.0 50.0))) (.cse3 ((_ to_fp 11 53) c_currentRoundingMode 85.0))) (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode 400.0)) (.cse0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode .cse2 ((_ to_fp 11 53) c_currentRoundingMode c_~X~0)) .cse3))))) (and (fp.geq .cse0 (fp.neg ((_ to_fp 11 53) c_currentRoundingMode 1155.0))) (fp.leq .cse0 .cse1) (fp.geq .cse0 (fp.neg .cse1)) (= ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode .cse2 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (_ bv0 32)))) .cse3))) ((_ to_fp 11 53) c_currentRoundingMode 100.0))) c_~X~0) (fp.leq .cse0 ((_ to_fp 11 53) c_currentRoundingMode 4251.0)) (= c_currentRoundingMode roundNearestTiesToEven)))) is different from false [2024-11-09 04:39:39,093 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse2 ((_ to_fp 11 53) c_currentRoundingMode (/ 49.0 50.0))) (.cse3 ((_ to_fp 11 53) c_currentRoundingMode 85.0))) (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode 400.0)) (.cse0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode .cse2 ((_ to_fp 11 53) c_currentRoundingMode c_~X~0)) .cse3))))) (and (fp.geq .cse0 (fp.neg ((_ to_fp 11 53) c_currentRoundingMode 1155.0))) (fp.leq .cse0 .cse1) (fp.geq .cse0 (fp.neg .cse1)) (= ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode .cse2 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (_ bv0 32)))) .cse3))) ((_ to_fp 11 53) c_currentRoundingMode 100.0))) c_~X~0) (fp.leq .cse0 ((_ to_fp 11 53) c_currentRoundingMode 4251.0)) (= c_currentRoundingMode roundNearestTiesToEven)))) is different from true [2024-11-09 04:39:43,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.34s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:39:45,065 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:39:47,075 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:39:49,081 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:39:51,084 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:39:53,088 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:39:55,099 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:39:57,117 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:39:59,145 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:40:01,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:40:03,155 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:40:04,645 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:40:05,937 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:40:10,378 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:40:12,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:40:17,862 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:40:19,865 WARN L539 Checker$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 [] [2024-11-09 04:40:21,869 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:40:23,878 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:40:25,883 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:40:27,887 WARN L539 Checker$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 [] [2024-11-09 04:40:29,893 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:40:31,901 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:40:33,909 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:40:35,914 WARN L539 Checker$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 [] [2024-11-09 04:40:37,920 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:40:39,933 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:40:41,938 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:40:43,953 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:40:45,956 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:40:47,965 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:40:49,968 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:40:51,971 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:40:53,982 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:40:56,004 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:40:58,012 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:41:00,018 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:41:07,319 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.92s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:41:09,341 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:41:11,343 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:41:13,358 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:41:15,367 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:41:17,372 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:41:19,379 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:41:21,389 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:41:23,401 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:41:25,408 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:41:27,426 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:41:29,941 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.51s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:41:31,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:41:33,950 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:41:35,953 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:41:37,176 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:41:39,369 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:41:41,374 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:41:43,380 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:41:45,387 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:41:48,764 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.38s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:41:50,773 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:41:52,779 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:41:54,789 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:41:56,806 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:41:58,815 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:42:00,819 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:42:02,827 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:42:04,838 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:42:06,857 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:42:08,882 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:42:11,492 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.61s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:42:13,500 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:42:15,114 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:42:17,659 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:42:19,667 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:42:22,896 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:42:23,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:42:23,215 INFO L93 Difference]: Finished difference Result 43 states and 54 transitions. [2024-11-09 04:42:23,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 04:42:23,258 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 1.8846153846153846) internal successors, (49), 26 states have internal predecessors, (49), 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 15 [2024-11-09 04:42:23,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:42:23,259 INFO L225 Difference]: With dead ends: 43 [2024-11-09 04:42:23,259 INFO L226 Difference]: Without dead ends: 31 [2024-11-09 04:42:23,260 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 21 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 131.5s TimeCoverageRelationStatistics Valid=124, Invalid=149, Unknown=51, NotChecked=1008, Total=1332 [2024-11-09 04:42:23,262 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 32 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 5 mSolverCounterUnsat, 70 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 156.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 702 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 70 IncrementalHoareTripleChecker+Unknown, 542 IncrementalHoareTripleChecker+Unchecked, 158.2s IncrementalHoareTripleChecker+Time [2024-11-09 04:42:23,262 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 26 Invalid, 702 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 85 Invalid, 70 Unknown, 542 Unchecked, 158.2s Time] [2024-11-09 04:42:23,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2024-11-09 04:42:23,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 27. [2024-11-09 04:42:23,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 26 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) [2024-11-09 04:42:23,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 32 transitions. [2024-11-09 04:42:23,280 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 32 transitions. Word has length 15 [2024-11-09 04:42:23,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:42:23,280 INFO L471 AbstractCegarLoop]: Abstraction has 27 states and 32 transitions. [2024-11-09 04:42:23,280 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 1.8846153846153846) internal successors, (49), 26 states have internal predecessors, (49), 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) [2024-11-09 04:42:23,281 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions. [2024-11-09 04:42:23,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-09 04:42:23,282 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:42:23,282 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:42:23,301 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e75459-cbb2-472c-8b12-e74f1948ff24/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-09 04:42:23,548 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e75459-cbb2-472c-8b12-e74f1948ff24/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-09 04:42:23,691 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e75459-cbb2-472c-8b12-e74f1948ff24/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-11-09 04:42:23,883 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e75459-cbb2-472c-8b12-e74f1948ff24/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e75459-cbb2-472c-8b12-e74f1948ff24/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e75459-cbb2-472c-8b12-e74f1948ff24/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt [2024-11-09 04:42:23,884 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:42:23,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:42:23,885 INFO L85 PathProgramCache]: Analyzing trace with hash 558696676, now seen corresponding path program 1 times [2024-11-09 04:42:23,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:42:23,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [191155101] [2024-11-09 04:42:23,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:42:23,886 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:42:23,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e75459-cbb2-472c-8b12-e74f1948ff24/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:42:23,887 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e75459-cbb2-472c-8b12-e74f1948ff24/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 04:42:23,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e75459-cbb2-472c-8b12-e74f1948ff24/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-11-09 04:42:30,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:42:30,179 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-09 04:42:30,185 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:42:33,145 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2024-11-09 04:42:33,457 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 84 [2024-11-09 04:42:33,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 04:42:33,597 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2024-11-09 04:42:33,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 04:42:33,811 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2024-11-09 04:42:43,117 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse3 (select |c_#memory_int| (_ bv5 32)))) (let ((.cse5 (select |c_#memory_int| (_ bv4 32))) (.cse1 ((_ to_fp 8 24) c_currentRoundingMode (_ +zero 11 53))) (.cse0 (let ((.cse7 (select .cse3 |c_~#S~0.offset|))) (fp ((_ extract 31 31) .cse7) ((_ extract 30 23) .cse7) ((_ extract 22 0) .cse7))))) (and (= ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 49.0 50.0)) ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (_ bv0 32)))) ((_ to_fp 11 53) c_currentRoundingMode 85.0))) .cse0) (= .cse1 (let ((.cse2 (select .cse3 (bvadd (_ bv4 32) |c_~#S~0.offset|)))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2)))) (= .cse0 (let ((.cse4 (select .cse5 |c_~#E~0.offset|))) (fp ((_ extract 31 31) .cse4) ((_ extract 30 23) .cse4) ((_ extract 22 0) .cse4)))) (= (let ((.cse6 (select .cse5 (bvadd |c_~#E~0.offset| (_ bv4 32))))) (fp ((_ extract 31 31) .cse6) ((_ extract 30 23) .cse6) ((_ extract 22 0) .cse6))) .cse1) (= |c_~#E~0.base| (_ bv4 32)) (= |c_~#S~0.base| (_ bv5 32)) (= ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode .cse0) ((_ to_fp 11 53) c_currentRoundingMode 100.0))) c_~X~0) (= c_currentRoundingMode roundNearestTiesToEven)))) is different from true [2024-11-09 04:43:32,294 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse5 (select |c_#memory_int| (_ bv5 32)))) (let ((.cse7 (select |c_#memory_int| (_ bv4 32))) (.cse3 ((_ to_fp 8 24) c_currentRoundingMode (_ +zero 11 53))) (.cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 49.0 50.0))) (.cse2 (let ((.cse9 (select .cse5 |c_~#S~0.offset|))) (fp ((_ extract 31 31) .cse9) ((_ extract 30 23) .cse9) ((_ extract 22 0) .cse9)))) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode 85.0))) (and (= ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode .cse0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (_ bv0 32)))) .cse1)) .cse2) (= .cse3 (let ((.cse4 (select .cse5 (bvadd (_ bv4 32) |c_~#S~0.offset|)))) (fp ((_ extract 31 31) .cse4) ((_ extract 30 23) .cse4) ((_ extract 22 0) .cse4)))) (= .cse2 (let ((.cse6 (select .cse7 |c_~#E~0.offset|))) (fp ((_ extract 31 31) .cse6) ((_ extract 30 23) .cse6) ((_ extract 22 0) .cse6)))) (= (let ((.cse8 (select .cse7 (bvadd |c_~#E~0.offset| (_ bv4 32))))) (fp ((_ extract 31 31) .cse8) ((_ extract 30 23) .cse8) ((_ extract 22 0) .cse8))) .cse3) (= |c_~#E~0.base| (_ bv4 32)) (= c_~X~0 ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode .cse0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode .cse2) ((_ to_fp 11 53) c_currentRoundingMode 100.0))))) .cse1))) (= |c_~#S~0.base| (_ bv5 32)) (= c_currentRoundingMode roundNearestTiesToEven)))) is different from false [2024-11-09 04:43:34,402 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse5 (select |c_#memory_int| (_ bv5 32)))) (let ((.cse7 (select |c_#memory_int| (_ bv4 32))) (.cse3 ((_ to_fp 8 24) c_currentRoundingMode (_ +zero 11 53))) (.cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 49.0 50.0))) (.cse2 (let ((.cse9 (select .cse5 |c_~#S~0.offset|))) (fp ((_ extract 31 31) .cse9) ((_ extract 30 23) .cse9) ((_ extract 22 0) .cse9)))) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode 85.0))) (and (= ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode .cse0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (_ bv0 32)))) .cse1)) .cse2) (= .cse3 (let ((.cse4 (select .cse5 (bvadd (_ bv4 32) |c_~#S~0.offset|)))) (fp ((_ extract 31 31) .cse4) ((_ extract 30 23) .cse4) ((_ extract 22 0) .cse4)))) (= .cse2 (let ((.cse6 (select .cse7 |c_~#E~0.offset|))) (fp ((_ extract 31 31) .cse6) ((_ extract 30 23) .cse6) ((_ extract 22 0) .cse6)))) (= (let ((.cse8 (select .cse7 (bvadd |c_~#E~0.offset| (_ bv4 32))))) (fp ((_ extract 31 31) .cse8) ((_ extract 30 23) .cse8) ((_ extract 22 0) .cse8))) .cse3) (= |c_~#E~0.base| (_ bv4 32)) (= c_~X~0 ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode .cse0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode .cse2) ((_ to_fp 11 53) c_currentRoundingMode 100.0))))) .cse1))) (= |c_~#S~0.base| (_ bv5 32)) (= c_currentRoundingMode roundNearestTiesToEven)))) is different from true [2024-11-09 04:44:05,055 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 04:44:05,056 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 364 treesize of output 208 [2024-11-09 04:44:19,860 WARN L286 SmtUtils]: Spent 5.84s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 04:44:25,110 WARN L286 SmtUtils]: Spent 5.25s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 04:44:30,417 WARN L286 SmtUtils]: Spent 5.31s on a formula simplification that was a NOOP. DAG size: 17 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 04:44:32,821 WARN L851 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_8 (_ BitVec 32)) (v_arrayElimCell_7 (_ BitVec 32)) (v_skolemized_v_prenex_12_5 (_ BitVec 32)) (v_arrayElimCell_6 (_ BitVec 32)) (v_arrayElimCell_5 (_ BitVec 32))) (let ((.cse5 ((_ to_fp 8 24) c_currentRoundingMode (_ +zero 11 53))) (.cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 49.0 50.0))) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode 85.0)) (.cse4 (fp ((_ extract 31 31) v_arrayElimCell_5) ((_ extract 30 23) v_arrayElimCell_5) ((_ extract 22 0) v_arrayElimCell_5))) (.cse6 (fp ((_ extract 31 31) v_arrayElimCell_6) ((_ extract 30 23) v_arrayElimCell_6) ((_ extract 22 0) v_arrayElimCell_6))) (.cse3 (fp ((_ extract 31 31) v_skolemized_v_prenex_12_5) ((_ extract 30 23) v_skolemized_v_prenex_12_5) ((_ extract 22 0) v_skolemized_v_prenex_12_5))) (.cse9 (fp ((_ extract 31 31) v_arrayElimCell_7) ((_ extract 30 23) v_arrayElimCell_7) ((_ extract 22 0) v_arrayElimCell_7))) (.cse2 (fp ((_ extract 31 31) v_arrayElimCell_8) ((_ extract 30 23) v_arrayElimCell_8) ((_ extract 22 0) v_arrayElimCell_8)))) (and (= ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode .cse0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (_ bv0 32)))) .cse1)) .cse2) (= .cse2 .cse3) (= .cse4 .cse5) (= .cse5 .cse6) (= ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (let ((.cse8 ((_ to_fp 11 53) c_currentRoundingMode (/ 7.0 10.0)))) (fp.sub c_currentRoundingMode (let ((.cse7 ((_ to_fp 11 53) c_currentRoundingMode .cse2))) (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 2.0)) ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode .cse0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode .cse7 ((_ to_fp 11 53) c_currentRoundingMode 100.0))))) .cse1)))) (fp.mul c_currentRoundingMode .cse8 ((_ to_fp 11 53) c_currentRoundingMode .cse9))) (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 2.0 5.0)) ((_ to_fp 11 53) c_currentRoundingMode .cse4))) (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 3.0 2.0)) .cse7))) (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode .cse6) .cse8))))) ((_ to_fp 11 53) c_currentRoundingMode 6.0)) (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode .cse3) ((_ to_fp 11 53) c_currentRoundingMode 5.0)))) c_~X~0) (= .cse9 .cse2)))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2024-11-09 04:44:39,216 WARN L286 SmtUtils]: Spent 6.24s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 04:44:45,044 WARN L286 SmtUtils]: Spent 5.83s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 04:44:55,640 WARN L286 SmtUtils]: Spent 5.64s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)