./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/cos_polynomial.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_15efe9a1-6fc2-4ec6-8fe8-bbca8966e4c2/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15efe9a1-6fc2-4ec6-8fe8-bbca8966e4c2/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_15efe9a1-6fc2-4ec6-8fe8-bbca8966e4c2/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15efe9a1-6fc2-4ec6-8fe8-bbca8966e4c2/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/cos_polynomial.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15efe9a1-6fc2-4ec6-8fe8-bbca8966e4c2/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_15efe9a1-6fc2-4ec6-8fe8-bbca8966e4c2/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 c41c899e123885a0a5b4b47d325ecb3bae7fd8ace0e033e73eafae066c754dcb --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:49:00,973 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:49:01,090 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15efe9a1-6fc2-4ec6-8fe8-bbca8966e4c2/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 05:49:01,099 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:49:01,100 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:49:01,122 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:49:01,122 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:49:01,123 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:49:01,123 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:49:01,124 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:49:01,124 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:49:01,124 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:49:01,125 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:49:01,125 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 05:49:01,125 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:49:01,126 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:49:01,126 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 05:49:01,126 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 05:49:01,127 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:49:01,127 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 05:49:01,127 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 05:49:01,128 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 05:49:01,129 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:49:01,129 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:49:01,129 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 05:49:01,130 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 05:49:01,130 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 05:49:01,130 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:49:01,131 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:49:01,131 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:49:01,131 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:49:01,132 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:49:01,132 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 05:49:01,132 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:49:01,132 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:49:01,133 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:49:01,133 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:49:01,133 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:49:01,134 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:49:01,134 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:49:01,134 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:49:01,135 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:49:01,135 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 05:49:01,135 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 05:49:01,136 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:49:01,136 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:49:01,136 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 05:49:01,137 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_15efe9a1-6fc2-4ec6-8fe8-bbca8966e4c2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15efe9a1-6fc2-4ec6-8fe8-bbca8966e4c2/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c41c899e123885a0a5b4b47d325ecb3bae7fd8ace0e033e73eafae066c754dcb [2024-11-09 05:49:01,447 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:49:01,481 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:49:01,483 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:49:01,487 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:49:01,487 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:49:01,489 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15efe9a1-6fc2-4ec6-8fe8-bbca8966e4c2/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/float-benchs/cos_polynomial.c Unable to find full path for "g++" [2024-11-09 05:49:03,553 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:49:03,766 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:49:03,767 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15efe9a1-6fc2-4ec6-8fe8-bbca8966e4c2/sv-benchmarks/c/float-benchs/cos_polynomial.c [2024-11-09 05:49:03,774 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15efe9a1-6fc2-4ec6-8fe8-bbca8966e4c2/bin/utaipan-verify-YMUCfTKeje/data/f578dbaa6/3b8a5ddf11bc4fa5a5e50e322773ebcc/FLAGabfa0c20b [2024-11-09 05:49:03,791 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15efe9a1-6fc2-4ec6-8fe8-bbca8966e4c2/bin/utaipan-verify-YMUCfTKeje/data/f578dbaa6/3b8a5ddf11bc4fa5a5e50e322773ebcc [2024-11-09 05:49:03,794 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:49:03,795 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:49:03,797 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:49:03,797 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:49:03,803 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:49:03,804 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:49:03" (1/1) ... [2024-11-09 05:49:03,806 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74fc9905 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:49:03, skipping insertion in model container [2024-11-09 05:49:03,806 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:49:03" (1/1) ... [2024-11-09 05:49:03,828 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:49:04,058 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_15efe9a1-6fc2-4ec6-8fe8-bbca8966e4c2/sv-benchmarks/c/float-benchs/cos_polynomial.c[619,632] [2024-11-09 05:49:04,073 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:49:04,087 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:49:04,099 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_15efe9a1-6fc2-4ec6-8fe8-bbca8966e4c2/sv-benchmarks/c/float-benchs/cos_polynomial.c[619,632] [2024-11-09 05:49:04,106 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:49:04,123 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:49:04,124 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:49:04 WrapperNode [2024-11-09 05:49:04,124 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:49:04,125 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:49:04,125 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:49:04,125 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:49:04,134 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:49:04" (1/1) ... [2024-11-09 05:49:04,140 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:49:04" (1/1) ... [2024-11-09 05:49:04,159 INFO L138 Inliner]: procedures = 15, calls = 10, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 59 [2024-11-09 05:49:04,162 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:49:04,162 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:49:04,163 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:49:04,163 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:49:04,170 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:49:04" (1/1) ... [2024-11-09 05:49:04,170 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:49:04" (1/1) ... [2024-11-09 05:49:04,172 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:49:04" (1/1) ... [2024-11-09 05:49:04,172 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:49:04" (1/1) ... [2024-11-09 05:49:04,177 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:49:04" (1/1) ... [2024-11-09 05:49:04,179 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:49:04" (1/1) ... [2024-11-09 05:49:04,180 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:49:04" (1/1) ... [2024-11-09 05:49:04,181 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:49:04" (1/1) ... [2024-11-09 05:49:04,183 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:49:04,183 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:49:04,184 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:49:04,184 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:49:04,185 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:49:04" (1/1) ... [2024-11-09 05:49:04,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:49:04,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15efe9a1-6fc2-4ec6-8fe8-bbca8966e4c2/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:49:04,219 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15efe9a1-6fc2-4ec6-8fe8-bbca8966e4c2/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:49:04,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15efe9a1-6fc2-4ec6-8fe8-bbca8966e4c2/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:49:04,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:49:04,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 05:49:04,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:49:04,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:49:04,352 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:49:04,355 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:49:04,530 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-11-09 05:49:04,530 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:49:04,650 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:49:04,651 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 05:49:04,651 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:49:04 BoogieIcfgContainer [2024-11-09 05:49:04,652 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:49:04,654 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:49:04,657 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:49:04,660 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:49:04,661 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:49:03" (1/3) ... [2024-11-09 05:49:04,662 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a6131dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:49:04, skipping insertion in model container [2024-11-09 05:49:04,662 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:49:04" (2/3) ... [2024-11-09 05:49:04,662 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a6131dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:49:04, skipping insertion in model container [2024-11-09 05:49:04,663 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:49:04" (3/3) ... [2024-11-09 05:49:04,664 INFO L112 eAbstractionObserver]: Analyzing ICFG cos_polynomial.c [2024-11-09 05:49:04,682 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:49:04,682 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 05:49:04,740 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:49:04,747 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;@6e7e8a90, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:49:04,747 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 05:49:04,754 INFO L276 IsEmpty]: Start isEmpty. Operand has 6 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 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 05:49:04,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-09 05:49:04,763 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:49:04,764 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-11-09 05:49:04,765 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:49:04,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:49:04,770 INFO L85 PathProgramCache]: Analyzing trace with hash 87548, now seen corresponding path program 1 times [2024-11-09 05:49:04,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:49:04,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707414767] [2024-11-09 05:49:04,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:49:04,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:49:04,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 05:49:04,904 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 05:49:04,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 05:49:04,939 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 05:49:04,941 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 05:49:04,943 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 05:49:04,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 05:49:04,949 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 05:49:04,967 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 05:49:04,970 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 05:49:04 BoogieIcfgContainer [2024-11-09 05:49:04,970 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 05:49:04,971 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 05:49:04,971 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 05:49:04,971 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 05:49:04,972 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:49:04" (3/4) ... [2024-11-09 05:49:04,974 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 05:49:04,975 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 05:49:04,976 INFO L158 Benchmark]: Toolchain (without parser) took 1181.18ms. Allocated memory is still 153.1MB. Free memory was 123.5MB in the beginning and 84.5MB in the end (delta: 39.0MB). Peak memory consumption was 37.8MB. Max. memory is 16.1GB. [2024-11-09 05:49:04,977 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 119.5MB. Free memory is still 87.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:49:04,978 INFO L158 Benchmark]: CACSL2BoogieTranslator took 327.72ms. Allocated memory is still 153.1MB. Free memory was 123.5MB in the beginning and 118.1MB in the end (delta: 5.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-09 05:49:04,978 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.89ms. Allocated memory is still 153.1MB. Free memory was 118.1MB in the beginning and 116.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 05:49:04,979 INFO L158 Benchmark]: Boogie Preprocessor took 20.36ms. Allocated memory is still 153.1MB. Free memory was 116.0MB in the beginning and 115.2MB in the end (delta: 826.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:49:04,979 INFO L158 Benchmark]: RCFGBuilder took 468.31ms. Allocated memory is still 153.1MB. Free memory was 115.2MB in the beginning and 100.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 05:49:04,980 INFO L158 Benchmark]: TraceAbstraction took 315.59ms. Allocated memory is still 153.1MB. Free memory was 99.2MB in the beginning and 84.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 05:49:04,980 INFO L158 Benchmark]: Witness Printer took 4.78ms. Allocated memory is still 153.1MB. Free memory is still 84.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:49:04,983 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 119.5MB. Free memory is still 87.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 327.72ms. Allocated memory is still 153.1MB. Free memory was 123.5MB in the beginning and 118.1MB in the end (delta: 5.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.89ms. Allocated memory is still 153.1MB. Free memory was 118.1MB in the beginning and 116.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.36ms. Allocated memory is still 153.1MB. Free memory was 116.0MB in the beginning and 115.2MB in the end (delta: 826.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 468.31ms. Allocated memory is still 153.1MB. Free memory was 115.2MB in the beginning and 100.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 315.59ms. Allocated memory is still 153.1MB. Free memory was 99.2MB in the beginning and 84.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 4.78ms. Allocated memory is still 153.1MB. Free memory is still 84.5MB. 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: 14]: 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 someUnaryDOUBLEoperation at line 17, overapproximation of someBinaryArithmeticDOUBLEoperation at line 26, overapproximation of someBinaryDOUBLEComparisonOperation at line 52. Possible FailurePath: [L16] double C1 = 4.16666666666666019037e-02; [L17] double C2 = -1.38888888888741095749e-03; [L18] double C3 = 2.48015872894767294178e-05; [L19] double C4 = -2.75573143513906633035e-07; [L20] double C5 = 2.08757232129817482790e-09; [L21] double C6 = -1.13596475577881948265e-11; [L49] double a, r; [L51] a = __VERIFIER_nondet_double() [L52] CALL assume_abort_if_not(a >= -0.5 && a <= 0.75) [L12] COND FALSE !(!cond) [L52] RET assume_abort_if_not(a >= -0.5 && a <= 0.75) [L54] CALL, EXPR mcos(a) [L25] double a, hz, z, r, qx, zr; [L26] z = x*x [L27] COND FALSE !(x < 0.) [L28] hz = 0.5 * z [L29] r = z*(C1+z*(C2+z*(C3+z*(C4+z*(C5+z*C6))))) [L30] zr = z*r [L31] COND FALSE !(x < 0.3) [L35] COND FALSE !(x > 0.78125) [L39] qx = x/4. [L41] hz = hz-qx [L42] a = 1.-qx [L43] return a-(hz-zr); [L54] RET, EXPR mcos(a) [L54] r = mcos(a) [L56] CALL __VERIFIER_assert(r >= 0. && r <= 1.1) [L14] COND TRUE !(cond) VAL [C1=416666666666666019037/10000000000000000000000, C3=124007936447383647089/5000000000000000000000000, C5=20875723212981748279/10000000000000000000000000000] [L14] reach_error() VAL [C1=416666666666666019037/10000000000000000000000, C3=124007936447383647089/5000000000000000000000000, C5=20875723212981748279/10000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, 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=6occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 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 05:49:05,026 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15efe9a1-6fc2-4ec6-8fe8-bbca8966e4c2/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_15efe9a1-6fc2-4ec6-8fe8-bbca8966e4c2/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15efe9a1-6fc2-4ec6-8fe8-bbca8966e4c2/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_15efe9a1-6fc2-4ec6-8fe8-bbca8966e4c2/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15efe9a1-6fc2-4ec6-8fe8-bbca8966e4c2/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/cos_polynomial.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15efe9a1-6fc2-4ec6-8fe8-bbca8966e4c2/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_15efe9a1-6fc2-4ec6-8fe8-bbca8966e4c2/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 c41c899e123885a0a5b4b47d325ecb3bae7fd8ace0e033e73eafae066c754dcb --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:49:07,406 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:49:07,498 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15efe9a1-6fc2-4ec6-8fe8-bbca8966e4c2/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-09 05:49:07,516 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:49:07,517 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:49:07,554 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:49:07,556 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:49:07,556 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:49:07,557 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:49:07,562 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:49:07,562 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:49:07,563 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:49:07,563 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:49:07,563 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:49:07,564 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:49:07,564 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:49:07,565 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:49:07,565 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:49:07,565 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 05:49:07,566 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 05:49:07,566 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:49:07,569 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:49:07,569 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:49:07,569 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:49:07,570 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 05:49:07,570 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 05:49:07,570 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:49:07,571 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 05:49:07,571 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 05:49:07,571 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:49:07,572 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:49:07,572 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:49:07,573 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 05:49:07,574 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:49:07,574 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:49:07,575 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:49:07,575 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:49:07,575 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:49:07,576 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:49:07,576 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 05:49:07,576 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 05:49:07,576 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:49:07,577 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:49:07,577 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_15efe9a1-6fc2-4ec6-8fe8-bbca8966e4c2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15efe9a1-6fc2-4ec6-8fe8-bbca8966e4c2/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c41c899e123885a0a5b4b47d325ecb3bae7fd8ace0e033e73eafae066c754dcb [2024-11-09 05:49:08,000 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:49:08,030 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:49:08,034 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:49:08,036 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:49:08,036 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:49:08,038 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15efe9a1-6fc2-4ec6-8fe8-bbca8966e4c2/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/float-benchs/cos_polynomial.c Unable to find full path for "g++" [2024-11-09 05:49:10,221 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:49:10,427 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:49:10,427 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15efe9a1-6fc2-4ec6-8fe8-bbca8966e4c2/sv-benchmarks/c/float-benchs/cos_polynomial.c [2024-11-09 05:49:10,436 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15efe9a1-6fc2-4ec6-8fe8-bbca8966e4c2/bin/utaipan-verify-YMUCfTKeje/data/0df857541/b57018b18dbd4fb9a74059553a49e99e/FLAG4734bc5cf [2024-11-09 05:49:10,804 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15efe9a1-6fc2-4ec6-8fe8-bbca8966e4c2/bin/utaipan-verify-YMUCfTKeje/data/0df857541/b57018b18dbd4fb9a74059553a49e99e [2024-11-09 05:49:10,806 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:49:10,807 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:49:10,809 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:49:10,809 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:49:10,814 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:49:10,815 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:49:10" (1/1) ... [2024-11-09 05:49:10,816 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4156080 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:49:10, skipping insertion in model container [2024-11-09 05:49:10,816 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:49:10" (1/1) ... [2024-11-09 05:49:10,836 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:49:11,086 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_15efe9a1-6fc2-4ec6-8fe8-bbca8966e4c2/sv-benchmarks/c/float-benchs/cos_polynomial.c[619,632] [2024-11-09 05:49:11,107 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:49:11,123 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:49:11,133 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_15efe9a1-6fc2-4ec6-8fe8-bbca8966e4c2/sv-benchmarks/c/float-benchs/cos_polynomial.c[619,632] [2024-11-09 05:49:11,141 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:49:11,160 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:49:11,160 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:49:11 WrapperNode [2024-11-09 05:49:11,161 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:49:11,162 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:49:11,162 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:49:11,162 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:49:11,168 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:49:11" (1/1) ... [2024-11-09 05:49:11,176 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:49:11" (1/1) ... [2024-11-09 05:49:11,199 INFO L138 Inliner]: procedures = 16, calls = 10, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 60 [2024-11-09 05:49:11,199 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:49:11,200 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:49:11,200 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:49:11,200 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:49:11,209 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:49:11" (1/1) ... [2024-11-09 05:49:11,209 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:49:11" (1/1) ... [2024-11-09 05:49:11,211 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:49:11" (1/1) ... [2024-11-09 05:49:11,212 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:49:11" (1/1) ... [2024-11-09 05:49:11,224 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:49:11" (1/1) ... [2024-11-09 05:49:11,230 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:49:11" (1/1) ... [2024-11-09 05:49:11,231 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:49:11" (1/1) ... [2024-11-09 05:49:11,232 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:49:11" (1/1) ... [2024-11-09 05:49:11,235 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:49:11,236 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:49:11,236 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:49:11,236 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:49:11,237 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:49:11" (1/1) ... [2024-11-09 05:49:11,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:49:11,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15efe9a1-6fc2-4ec6-8fe8-bbca8966e4c2/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:49:11,270 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15efe9a1-6fc2-4ec6-8fe8-bbca8966e4c2/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:49:11,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15efe9a1-6fc2-4ec6-8fe8-bbca8966e4c2/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:49:11,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:49:11,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 05:49:11,301 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:49:11,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:49:11,379 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:49:11,381 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:49:18,016 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-09 05:49:18,016 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:49:18,029 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:49:18,029 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 05:49:18,030 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:49:18 BoogieIcfgContainer [2024-11-09 05:49:18,030 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:49:18,033 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:49:18,034 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:49:18,037 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:49:18,037 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:49:10" (1/3) ... [2024-11-09 05:49:18,038 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cf646c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:49:18, skipping insertion in model container [2024-11-09 05:49:18,038 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:49:11" (2/3) ... [2024-11-09 05:49:18,039 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cf646c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:49:18, skipping insertion in model container [2024-11-09 05:49:18,039 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:49:18" (3/3) ... [2024-11-09 05:49:18,040 INFO L112 eAbstractionObserver]: Analyzing ICFG cos_polynomial.c [2024-11-09 05:49:18,060 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:49:18,060 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 05:49:18,133 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:49:18,140 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;@706781b7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:49:18,140 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 05:49:18,145 INFO L276 IsEmpty]: Start isEmpty. Operand has 17 states, 15 states have (on average 1.4) internal successors, (21), 16 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:49:18,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-09 05:49:18,152 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:49:18,152 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:49:18,153 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:49:18,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:49:18,159 INFO L85 PathProgramCache]: Analyzing trace with hash -1236255304, now seen corresponding path program 1 times [2024-11-09 05:49:18,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:49:18,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [698840357] [2024-11-09 05:49:18,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:49:18,173 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 05:49:18,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15efe9a1-6fc2-4ec6-8fe8-bbca8966e4c2/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:49:18,177 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15efe9a1-6fc2-4ec6-8fe8-bbca8966e4c2/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 05:49:18,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15efe9a1-6fc2-4ec6-8fe8-bbca8966e4c2/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 05:49:20,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:49:20,277 INFO L255 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 05:49:20,281 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:49:20,296 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 05:49:20,296 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:49:20,297 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:49:20,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [698840357] [2024-11-09 05:49:20,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [698840357] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:49:20,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:49:20,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:49:20,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310559583] [2024-11-09 05:49:20,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:49:20,305 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 05:49:20,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:49:20,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 05:49:20,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 05:49:20,343 INFO L87 Difference]: Start difference. First operand has 17 states, 15 states have (on average 1.4) internal successors, (21), 16 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:49:20,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:49:20,360 INFO L93 Difference]: Finished difference Result 31 states and 38 transitions. [2024-11-09 05:49:20,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 05:49:20,362 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-11-09 05:49:20,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:49:20,370 INFO L225 Difference]: With dead ends: 31 [2024-11-09 05:49:20,371 INFO L226 Difference]: Without dead ends: 13 [2024-11-09 05:49:20,374 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 05:49:20,379 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 05:49:20,381 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 05:49:20,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2024-11-09 05:49:20,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2024-11-09 05:49:20,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 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 05:49:20,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 15 transitions. [2024-11-09 05:49:20,414 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 15 transitions. Word has length 10 [2024-11-09 05:49:20,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:49:20,415 INFO L471 AbstractCegarLoop]: Abstraction has 13 states and 15 transitions. [2024-11-09 05:49:20,415 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:49:20,415 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2024-11-09 05:49:20,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-09 05:49:20,416 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:49:20,417 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:49:20,461 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15efe9a1-6fc2-4ec6-8fe8-bbca8966e4c2/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 05:49:20,621 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15efe9a1-6fc2-4ec6-8fe8-bbca8966e4c2/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 05:49:20,622 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:49:20,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:49:20,623 INFO L85 PathProgramCache]: Analyzing trace with hash -2045601930, now seen corresponding path program 1 times [2024-11-09 05:49:20,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:49:20,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1567046633] [2024-11-09 05:49:20,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:49:20,624 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 05:49:20,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15efe9a1-6fc2-4ec6-8fe8-bbca8966e4c2/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:49:20,628 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15efe9a1-6fc2-4ec6-8fe8-bbca8966e4c2/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 05:49:20,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15efe9a1-6fc2-4ec6-8fe8-bbca8966e4c2/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 05:51:04,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:51:04,221 WARN L253 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-09 05:51:04,229 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:51:28,085 WARN L286 SmtUtils]: Spent 9.80s on a formula simplification that was a NOOP. DAG size: 42 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:51:49,501 WARN L286 SmtUtils]: Spent 10.77s on a formula simplification that was a NOOP. DAG size: 46 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:51:54,672 WARN L286 SmtUtils]: Spent 5.11s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 05:51:59,942 WARN L286 SmtUtils]: Spent 5.27s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 05:52:16,737 WARN L851 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_mcos_~x#1_11| (_ FloatingPoint 11 53))) (let ((.cse1 (fp.mul c_currentRoundingMode |v_ULTIMATE.start_mcos_~x#1_11| |v_ULTIMATE.start_mcos_~x#1_11|)) (.cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 2.0)))) (and (= |c_ULTIMATE.start_mcos_~hz~0#1| (fp.mul c_currentRoundingMode .cse0 .cse1)) (= (fp.mul c_currentRoundingMode .cse1 (fp.mul c_currentRoundingMode .cse1 (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 416666666666666019037.0 10000000000000000000000.0)) (fp.mul c_currentRoundingMode .cse1 (fp.add c_currentRoundingMode (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 138888888888741095749.0 100000000000000000000000.0))) (fp.mul c_currentRoundingMode .cse1 (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 124007936447383647089.0 5000000000000000000000000.0)) (fp.mul c_currentRoundingMode .cse1 (fp.add c_currentRoundingMode (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 55114628702781326607.0 200000000000000000000000000.0))) (fp.mul c_currentRoundingMode .cse1 (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 20875723212981748279.0 10000000000000000000000000000.0)) (fp.mul c_currentRoundingMode .cse1 (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 22719295115576389653.0 2000000000000000000000000000000.0))))))))))))))) |c_ULTIMATE.start_mcos_~zr~0#1|) (fp.geq |v_ULTIMATE.start_mcos_~x#1_11| (fp.neg .cse0)) (fp.lt |v_ULTIMATE.start_mcos_~x#1_11| (_ +zero 11 53)) (= |c_ULTIMATE.start_mcos_~x#1| (fp.neg |v_ULTIMATE.start_mcos_~x#1_11|))))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2024-11-09 05:52:36,331 WARN L851 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_mcos_~x#1_11| (_ FloatingPoint 11 53))) (and (fp.lt (fp.neg |v_ULTIMATE.start_mcos_~x#1_11|) ((_ to_fp 11 53) c_currentRoundingMode (/ 3.0 10.0))) (fp.lt |v_ULTIMATE.start_mcos_~x#1_11| (_ +zero 11 53)) (= (fp.sub c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 1.0) (let ((.cse0 (fp.mul c_currentRoundingMode |v_ULTIMATE.start_mcos_~x#1_11| |v_ULTIMATE.start_mcos_~x#1_11|))) (fp.sub c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 2.0)) .cse0) (fp.mul c_currentRoundingMode .cse0 (fp.mul c_currentRoundingMode .cse0 (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 416666666666666019037.0 10000000000000000000000.0)) (fp.mul c_currentRoundingMode .cse0 (fp.add c_currentRoundingMode (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 138888888888741095749.0 100000000000000000000000.0))) (fp.mul c_currentRoundingMode .cse0 (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 124007936447383647089.0 5000000000000000000000000.0)) (fp.mul c_currentRoundingMode .cse0 (fp.add c_currentRoundingMode (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 55114628702781326607.0 200000000000000000000000000.0))) (fp.mul c_currentRoundingMode .cse0 (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 20875723212981748279.0 10000000000000000000000000000.0)) (fp.mul c_currentRoundingMode .cse0 (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 22719295115576389653.0 2000000000000000000000000000000.0)))))))))))))))))) |c_ULTIMATE.start_mcos_#res#1|))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2024-11-09 05:52:50,539 WARN L286 SmtUtils]: Spent 5.02s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 05:52:55,615 WARN L286 SmtUtils]: Spent 5.07s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 05:53:37,664 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ to_fp 11 53) roundNearestTiesToEven (/ 11.0 10.0))) (.cse3 ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (.cse4 ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 2.0))) (.cse6 ((_ to_fp 11 53) roundNearestTiesToEven (/ 416666666666666019037.0 10000000000000000000000.0))) (.cse7 (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven (/ 138888888888741095749.0 100000000000000000000000.0)))) (.cse8 ((_ to_fp 11 53) roundNearestTiesToEven (/ 124007936447383647089.0 5000000000000000000000000.0))) (.cse9 (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven (/ 55114628702781326607.0 200000000000000000000000000.0)))) (.cse10 ((_ to_fp 11 53) roundNearestTiesToEven (/ 20875723212981748279.0 10000000000000000000000000000.0))) (.cse11 (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven (/ 22719295115576389653.0 2000000000000000000000000000000.0)))) (.cse2 ((_ to_fp 11 53) roundNearestTiesToEven (/ 3.0 10.0)))) (or (and (exists ((|v_ULTIMATE.start_mcos_~x#1_11| (_ FloatingPoint 11 53))) (let ((.cse0 (fp.sub roundNearestTiesToEven .cse3 (let ((.cse5 (fp.mul roundNearestTiesToEven |v_ULTIMATE.start_mcos_~x#1_11| |v_ULTIMATE.start_mcos_~x#1_11|))) (fp.sub roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse4 .cse5) (fp.mul roundNearestTiesToEven .cse5 (fp.mul roundNearestTiesToEven .cse5 (fp.add roundNearestTiesToEven .cse6 (fp.mul roundNearestTiesToEven .cse5 (fp.add roundNearestTiesToEven .cse7 (fp.mul roundNearestTiesToEven .cse5 (fp.add roundNearestTiesToEven .cse8 (fp.mul roundNearestTiesToEven .cse5 (fp.add roundNearestTiesToEven .cse9 (fp.mul roundNearestTiesToEven .cse5 (fp.add roundNearestTiesToEven .cse10 (fp.mul roundNearestTiesToEven .cse5 .cse11))))))))))))))))) (and (fp.geq .cse0 (_ +zero 11 53)) (fp.leq .cse0 .cse1) (fp.lt (fp.neg |v_ULTIMATE.start_mcos_~x#1_11|) .cse2) (fp.lt |v_ULTIMATE.start_mcos_~x#1_11| (_ +zero 11 53))))) (= |c_ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv1 32))) (and (= |c_ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv0 32)) (or (exists ((|v_ULTIMATE.start_mcos_~x#1_11| (_ FloatingPoint 11 53))) (and (not (fp.leq (fp.sub roundNearestTiesToEven .cse3 (let ((.cse12 (fp.mul roundNearestTiesToEven |v_ULTIMATE.start_mcos_~x#1_11| |v_ULTIMATE.start_mcos_~x#1_11|))) (fp.sub roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse4 .cse12) (fp.mul roundNearestTiesToEven .cse12 (fp.mul roundNearestTiesToEven .cse12 (fp.add roundNearestTiesToEven .cse6 (fp.mul roundNearestTiesToEven .cse12 (fp.add roundNearestTiesToEven .cse7 (fp.mul roundNearestTiesToEven .cse12 (fp.add roundNearestTiesToEven .cse8 (fp.mul roundNearestTiesToEven .cse12 (fp.add roundNearestTiesToEven .cse9 (fp.mul roundNearestTiesToEven .cse12 (fp.add roundNearestTiesToEven .cse10 (fp.mul roundNearestTiesToEven .cse12 .cse11))))))))))))))) .cse1)) (fp.lt (fp.neg |v_ULTIMATE.start_mcos_~x#1_11|) .cse2) (fp.lt |v_ULTIMATE.start_mcos_~x#1_11| (_ +zero 11 53)))) (exists ((|v_ULTIMATE.start_mcos_~x#1_11| (_ FloatingPoint 11 53))) (and (not (fp.geq (fp.sub roundNearestTiesToEven .cse3 (let ((.cse13 (fp.mul roundNearestTiesToEven |v_ULTIMATE.start_mcos_~x#1_11| |v_ULTIMATE.start_mcos_~x#1_11|))) (fp.sub roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse4 .cse13) (fp.mul roundNearestTiesToEven .cse13 (fp.mul roundNearestTiesToEven .cse13 (fp.add roundNearestTiesToEven .cse6 (fp.mul roundNearestTiesToEven .cse13 (fp.add roundNearestTiesToEven .cse7 (fp.mul roundNearestTiesToEven .cse13 (fp.add roundNearestTiesToEven .cse8 (fp.mul roundNearestTiesToEven .cse13 (fp.add roundNearestTiesToEven .cse9 (fp.mul roundNearestTiesToEven .cse13 (fp.add roundNearestTiesToEven .cse10 (fp.mul roundNearestTiesToEven .cse13 .cse11))))))))))))))) (_ +zero 11 53))) (fp.lt (fp.neg |v_ULTIMATE.start_mcos_~x#1_11|) .cse2) (fp.lt |v_ULTIMATE.start_mcos_~x#1_11| (_ +zero 11 53)))))))) is different from false [2024-11-09 05:53:54,460 WARN L286 SmtUtils]: Spent 5.00s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 05:54:06,503 WARN L286 SmtUtils]: Spent 5.17s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 05:54:14,046 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (.cse1 ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 2.0))) (.cse3 ((_ to_fp 11 53) roundNearestTiesToEven (/ 416666666666666019037.0 10000000000000000000000.0))) (.cse4 (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven (/ 138888888888741095749.0 100000000000000000000000.0)))) (.cse5 ((_ to_fp 11 53) roundNearestTiesToEven (/ 124007936447383647089.0 5000000000000000000000000.0))) (.cse6 (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven (/ 55114628702781326607.0 200000000000000000000000000.0)))) (.cse7 ((_ to_fp 11 53) roundNearestTiesToEven (/ 20875723212981748279.0 10000000000000000000000000000.0))) (.cse8 (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven (/ 22719295115576389653.0 2000000000000000000000000000000.0)))) (.cse9 ((_ to_fp 11 53) roundNearestTiesToEven (/ 3.0 10.0)))) (or (exists ((|v_ULTIMATE.start_mcos_~x#1_11| (_ FloatingPoint 11 53))) (and (not (fp.leq (fp.sub roundNearestTiesToEven .cse0 (let ((.cse2 (fp.mul roundNearestTiesToEven |v_ULTIMATE.start_mcos_~x#1_11| |v_ULTIMATE.start_mcos_~x#1_11|))) (fp.sub roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse1 .cse2) (fp.mul roundNearestTiesToEven .cse2 (fp.mul roundNearestTiesToEven .cse2 (fp.add roundNearestTiesToEven .cse3 (fp.mul roundNearestTiesToEven .cse2 (fp.add roundNearestTiesToEven .cse4 (fp.mul roundNearestTiesToEven .cse2 (fp.add roundNearestTiesToEven .cse5 (fp.mul roundNearestTiesToEven .cse2 (fp.add roundNearestTiesToEven .cse6 (fp.mul roundNearestTiesToEven .cse2 (fp.add roundNearestTiesToEven .cse7 (fp.mul roundNearestTiesToEven .cse2 .cse8))))))))))))))) ((_ to_fp 11 53) roundNearestTiesToEven (/ 11.0 10.0)))) (fp.lt (fp.neg |v_ULTIMATE.start_mcos_~x#1_11|) .cse9) (fp.lt |v_ULTIMATE.start_mcos_~x#1_11| (_ +zero 11 53)))) (exists ((|v_ULTIMATE.start_mcos_~x#1_11| (_ FloatingPoint 11 53))) (and (not (fp.geq (fp.sub roundNearestTiesToEven .cse0 (let ((.cse10 (fp.mul roundNearestTiesToEven |v_ULTIMATE.start_mcos_~x#1_11| |v_ULTIMATE.start_mcos_~x#1_11|))) (fp.sub roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse1 .cse10) (fp.mul roundNearestTiesToEven .cse10 (fp.mul roundNearestTiesToEven .cse10 (fp.add roundNearestTiesToEven .cse3 (fp.mul roundNearestTiesToEven .cse10 (fp.add roundNearestTiesToEven .cse4 (fp.mul roundNearestTiesToEven .cse10 (fp.add roundNearestTiesToEven .cse5 (fp.mul roundNearestTiesToEven .cse10 (fp.add roundNearestTiesToEven .cse6 (fp.mul roundNearestTiesToEven .cse10 (fp.add roundNearestTiesToEven .cse7 (fp.mul roundNearestTiesToEven .cse10 .cse8))))))))))))))) (_ +zero 11 53))) (fp.lt (fp.neg |v_ULTIMATE.start_mcos_~x#1_11|) .cse9) (fp.lt |v_ULTIMATE.start_mcos_~x#1_11| (_ +zero 11 53)))))) is different from false [2024-11-09 05:54:16,242 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (.cse1 ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 2.0))) (.cse3 ((_ to_fp 11 53) roundNearestTiesToEven (/ 416666666666666019037.0 10000000000000000000000.0))) (.cse4 (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven (/ 138888888888741095749.0 100000000000000000000000.0)))) (.cse5 ((_ to_fp 11 53) roundNearestTiesToEven (/ 124007936447383647089.0 5000000000000000000000000.0))) (.cse6 (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven (/ 55114628702781326607.0 200000000000000000000000000.0)))) (.cse7 ((_ to_fp 11 53) roundNearestTiesToEven (/ 20875723212981748279.0 10000000000000000000000000000.0))) (.cse8 (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven (/ 22719295115576389653.0 2000000000000000000000000000000.0)))) (.cse9 ((_ to_fp 11 53) roundNearestTiesToEven (/ 3.0 10.0)))) (or (exists ((|v_ULTIMATE.start_mcos_~x#1_11| (_ FloatingPoint 11 53))) (and (not (fp.leq (fp.sub roundNearestTiesToEven .cse0 (let ((.cse2 (fp.mul roundNearestTiesToEven |v_ULTIMATE.start_mcos_~x#1_11| |v_ULTIMATE.start_mcos_~x#1_11|))) (fp.sub roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse1 .cse2) (fp.mul roundNearestTiesToEven .cse2 (fp.mul roundNearestTiesToEven .cse2 (fp.add roundNearestTiesToEven .cse3 (fp.mul roundNearestTiesToEven .cse2 (fp.add roundNearestTiesToEven .cse4 (fp.mul roundNearestTiesToEven .cse2 (fp.add roundNearestTiesToEven .cse5 (fp.mul roundNearestTiesToEven .cse2 (fp.add roundNearestTiesToEven .cse6 (fp.mul roundNearestTiesToEven .cse2 (fp.add roundNearestTiesToEven .cse7 (fp.mul roundNearestTiesToEven .cse2 .cse8))))))))))))))) ((_ to_fp 11 53) roundNearestTiesToEven (/ 11.0 10.0)))) (fp.lt (fp.neg |v_ULTIMATE.start_mcos_~x#1_11|) .cse9) (fp.lt |v_ULTIMATE.start_mcos_~x#1_11| (_ +zero 11 53)))) (exists ((|v_ULTIMATE.start_mcos_~x#1_11| (_ FloatingPoint 11 53))) (and (not (fp.geq (fp.sub roundNearestTiesToEven .cse0 (let ((.cse10 (fp.mul roundNearestTiesToEven |v_ULTIMATE.start_mcos_~x#1_11| |v_ULTIMATE.start_mcos_~x#1_11|))) (fp.sub roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse1 .cse10) (fp.mul roundNearestTiesToEven .cse10 (fp.mul roundNearestTiesToEven .cse10 (fp.add roundNearestTiesToEven .cse3 (fp.mul roundNearestTiesToEven .cse10 (fp.add roundNearestTiesToEven .cse4 (fp.mul roundNearestTiesToEven .cse10 (fp.add roundNearestTiesToEven .cse5 (fp.mul roundNearestTiesToEven .cse10 (fp.add roundNearestTiesToEven .cse6 (fp.mul roundNearestTiesToEven .cse10 (fp.add roundNearestTiesToEven .cse7 (fp.mul roundNearestTiesToEven .cse10 .cse8))))))))))))))) (_ +zero 11 53))) (fp.lt (fp.neg |v_ULTIMATE.start_mcos_~x#1_11|) .cse9) (fp.lt |v_ULTIMATE.start_mcos_~x#1_11| (_ +zero 11 53)))))) is different from true [2024-11-09 05:54:16,243 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 05:54:16,243 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:54:16,243 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:54:16,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1567046633] [2024-11-09 05:54:16,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1567046633] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:54:16,244 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:54:16,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-09 05:54:16,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762567886] [2024-11-09 05:54:16,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:54:16,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 05:54:16,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:54:16,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 05:54:16,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=28, Unknown=7, NotChecked=52, Total=110 [2024-11-09 05:54:16,248 INFO L87 Difference]: Start difference. First operand 13 states and 15 transitions. Second operand has 11 states, 10 states have (on average 1.0) internal successors, (10), 10 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:54:19,385 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:54:20,510 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:54:21,839 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:54:23,843 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:54:27,094 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:54:28,163 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:54:31,089 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.83s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:54:33,097 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:54:35,103 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:54:37,196 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:54:39,236 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:54:41,888 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse3 (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 138888888888741095749.0 100000000000000000000000.0)))) (.cse6 ((_ to_fp 11 53) c_currentRoundingMode (/ 20875723212981748279.0 10000000000000000000000000000.0))) (.cse7 (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 22719295115576389653.0 2000000000000000000000000000000.0)))) (.cse5 (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 55114628702781326607.0 200000000000000000000000000.0)))) (.cse4 ((_ to_fp 11 53) c_currentRoundingMode (/ 124007936447383647089.0 5000000000000000000000000.0))) (.cse2 ((_ to_fp 11 53) c_currentRoundingMode (/ 416666666666666019037.0 10000000000000000000000.0)))) (and (exists ((|v_ULTIMATE.start_mcos_~x#1_11| (_ FloatingPoint 11 53))) (let ((.cse1 (fp.mul c_currentRoundingMode |v_ULTIMATE.start_mcos_~x#1_11| |v_ULTIMATE.start_mcos_~x#1_11|)) (.cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 2.0)))) (and (= |c_ULTIMATE.start_mcos_~hz~0#1| (fp.mul c_currentRoundingMode .cse0 .cse1)) (= (fp.mul c_currentRoundingMode .cse1 (fp.mul c_currentRoundingMode .cse1 (fp.add c_currentRoundingMode .cse2 (fp.mul c_currentRoundingMode .cse1 (fp.add c_currentRoundingMode .cse3 (fp.mul c_currentRoundingMode .cse1 (fp.add c_currentRoundingMode .cse4 (fp.mul c_currentRoundingMode .cse1 (fp.add c_currentRoundingMode .cse5 (fp.mul c_currentRoundingMode .cse1 (fp.add c_currentRoundingMode .cse6 (fp.mul c_currentRoundingMode .cse1 .cse7)))))))))))) |c_ULTIMATE.start_mcos_~zr~0#1|) (fp.geq |v_ULTIMATE.start_mcos_~x#1_11| (fp.neg .cse0)) (fp.lt |v_ULTIMATE.start_mcos_~x#1_11| (_ +zero 11 53)) (= |c_ULTIMATE.start_mcos_~x#1| (fp.neg |v_ULTIMATE.start_mcos_~x#1_11|))))) (= c_~C2~0 .cse3) (= .cse6 c_~C5~0) (= c_~C6~0 .cse7) (= .cse5 c_~C4~0) (= .cse4 c_~C3~0) (= c_currentRoundingMode roundNearestTiesToEven) (= .cse2 c_~C1~0))) is different from false [2024-11-09 05:54:44,767 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.80s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:54:46,778 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:54:48,787 WARN L539 Checker$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 05:54:50,827 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:54:52,830 WARN L539 Checker$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 05:54:53,992 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:54:56,436 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:54:58,800 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:55:01,371 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:55:03,374 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:55:05,186 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:55:07,625 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:55:09,633 WARN L539 Checker$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 05:55:11,638 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:55:13,695 WARN L539 Checker$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 05:55:13,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:55:13,697 INFO L93 Difference]: Finished difference Result 25 states and 27 transitions. [2024-11-09 05:55:13,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 05:55:13,699 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.0) internal successors, (10), 10 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-11-09 05:55:13,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:55:13,700 INFO L225 Difference]: With dead ends: 25 [2024-11-09 05:55:13,700 INFO L226 Difference]: Without dead ends: 21 [2024-11-09 05:55:13,701 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 44.7s TimeCoverageRelationStatistics Valid=25, Invalid=29, Unknown=8, NotChecked=70, Total=132 [2024-11-09 05:55:13,702 INFO L432 NwaCegarLoop]: 6 mSDtfsCounter, 11 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 0 mSolverCounterUnsat, 19 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 54.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 19 IncrementalHoareTripleChecker+Unknown, 115 IncrementalHoareTripleChecker+Unchecked, 54.7s IncrementalHoareTripleChecker+Time [2024-11-09 05:55:13,702 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 25 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 58 Invalid, 19 Unknown, 115 Unchecked, 54.7s Time] [2024-11-09 05:55:13,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2024-11-09 05:55:13,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 15. [2024-11-09 05:55:13,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 14 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:55:13,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2024-11-09 05:55:13,707 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 10 [2024-11-09 05:55:13,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:55:13,708 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions. [2024-11-09 05:55:13,708 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.0) internal successors, (10), 10 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:55:13,708 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-09 05:55:13,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-09 05:55:13,709 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:55:13,709 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:55:13,757 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15efe9a1-6fc2-4ec6-8fe8-bbca8966e4c2/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 05:55:13,909 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15efe9a1-6fc2-4ec6-8fe8-bbca8966e4c2/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 05:55:13,910 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:55:13,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:55:13,911 INFO L85 PathProgramCache]: Analyzing trace with hash -1988343628, now seen corresponding path program 1 times [2024-11-09 05:55:13,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:55:13,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [760072214] [2024-11-09 05:55:13,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:55:13,911 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 05:55:13,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15efe9a1-6fc2-4ec6-8fe8-bbca8966e4c2/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:55:13,914 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15efe9a1-6fc2-4ec6-8fe8-bbca8966e4c2/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 05:55:13,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15efe9a1-6fc2-4ec6-8fe8-bbca8966e4c2/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