./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 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc7b7a53-3a53-4205-bcab-2b11eef82553/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc7b7a53-3a53-4205-bcab-2b11eef82553/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc7b7a53-3a53-4205-bcab-2b11eef82553/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc7b7a53-3a53-4205-bcab-2b11eef82553/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/cos_polynomial.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc7b7a53-3a53-4205-bcab-2b11eef82553/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc7b7a53-3a53-4205-bcab-2b11eef82553/bin/utaipan-TEXQjIfE4P --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c41c899e123885a0a5b4b47d325ecb3bae7fd8ace0e033e73eafae066c754dcb --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 23:18:05,984 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 23:18:05,987 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 23:18:06,038 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 23:18:06,039 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 23:18:06,040 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 23:18:06,049 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 23:18:06,052 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 23:18:06,055 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 23:18:06,061 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 23:18:06,063 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 23:18:06,064 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 23:18:06,065 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 23:18:06,067 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 23:18:06,070 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 23:18:06,074 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 23:18:06,078 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 23:18:06,080 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 23:18:06,085 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 23:18:06,089 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 23:18:06,097 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 23:18:06,105 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 23:18:06,107 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 23:18:06,112 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 23:18:06,116 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 23:18:06,119 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 23:18:06,119 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 23:18:06,120 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 23:18:06,122 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 23:18:06,123 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 23:18:06,124 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 23:18:06,125 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 23:18:06,126 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 23:18:06,128 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 23:18:06,129 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 23:18:06,130 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 23:18:06,131 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 23:18:06,131 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 23:18:06,132 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 23:18:06,133 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 23:18:06,133 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 23:18:06,134 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc7b7a53-3a53-4205-bcab-2b11eef82553/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-20 23:18:06,171 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 23:18:06,172 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 23:18:06,172 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 23:18:06,172 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 23:18:06,173 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 23:18:06,173 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 23:18:06,174 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-20 23:18:06,174 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-20 23:18:06,174 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-20 23:18:06,174 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-20 23:18:06,175 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-20 23:18:06,175 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-20 23:18:06,175 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-20 23:18:06,175 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-20 23:18:06,176 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-20 23:18:06,176 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-20 23:18:06,176 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-20 23:18:06,176 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-20 23:18:06,177 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 23:18:06,177 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 23:18:06,178 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 23:18:06,178 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 23:18:06,178 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 23:18:06,178 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 23:18:06,179 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 23:18:06,179 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 23:18:06,179 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 23:18:06,179 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 23:18:06,179 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 23:18:06,180 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 23:18:06,180 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 23:18:06,180 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 23:18:06,180 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:18:06,181 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 23:18:06,181 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 23:18:06,181 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 23:18:06,182 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-20 23:18:06,182 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 23:18:06,182 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 23:18:06,182 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 23:18:06,182 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 23:18:06,183 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc7b7a53-3a53-4205-bcab-2b11eef82553/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc7b7a53-3a53-4205-bcab-2b11eef82553/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c41c899e123885a0a5b4b47d325ecb3bae7fd8ace0e033e73eafae066c754dcb [2021-11-20 23:18:06,426 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 23:18:06,457 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 23:18:06,461 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 23:18:06,462 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 23:18:06,463 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 23:18:06,464 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc7b7a53-3a53-4205-bcab-2b11eef82553/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/float-benchs/cos_polynomial.c [2021-11-20 23:18:06,551 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc7b7a53-3a53-4205-bcab-2b11eef82553/bin/utaipan-TEXQjIfE4P/data/a45fdb6c5/ed00a66aad9d4f1dbc8271442e451598/FLAG2f7905813 [2021-11-20 23:18:07,055 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 23:18:07,056 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc7b7a53-3a53-4205-bcab-2b11eef82553/sv-benchmarks/c/float-benchs/cos_polynomial.c [2021-11-20 23:18:07,065 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc7b7a53-3a53-4205-bcab-2b11eef82553/bin/utaipan-TEXQjIfE4P/data/a45fdb6c5/ed00a66aad9d4f1dbc8271442e451598/FLAG2f7905813 [2021-11-20 23:18:07,385 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc7b7a53-3a53-4205-bcab-2b11eef82553/bin/utaipan-TEXQjIfE4P/data/a45fdb6c5/ed00a66aad9d4f1dbc8271442e451598 [2021-11-20 23:18:07,388 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 23:18:07,390 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 23:18:07,396 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 23:18:07,397 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 23:18:07,415 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 23:18:07,416 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:18:07" (1/1) ... [2021-11-20 23:18:07,417 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ac84ca3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:07, skipping insertion in model container [2021-11-20 23:18:07,417 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:18:07" (1/1) ... [2021-11-20 23:18:07,425 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 23:18:07,444 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 23:18:07,608 WARN L230 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_cc7b7a53-3a53-4205-bcab-2b11eef82553/sv-benchmarks/c/float-benchs/cos_polynomial.c[619,632] [2021-11-20 23:18:07,634 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:18:07,671 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 23:18:07,688 WARN L230 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_cc7b7a53-3a53-4205-bcab-2b11eef82553/sv-benchmarks/c/float-benchs/cos_polynomial.c[619,632] [2021-11-20 23:18:07,697 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:18:07,713 INFO L208 MainTranslator]: Completed translation [2021-11-20 23:18:07,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:07 WrapperNode [2021-11-20 23:18:07,713 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 23:18:07,715 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 23:18:07,715 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 23:18:07,715 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 23:18:07,725 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:07" (1/1) ... [2021-11-20 23:18:07,733 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:07" (1/1) ... [2021-11-20 23:18:07,756 INFO L137 Inliner]: procedures = 15, calls = 10, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 59 [2021-11-20 23:18:07,757 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 23:18:07,758 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 23:18:07,758 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 23:18:07,758 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 23:18:07,768 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:07" (1/1) ... [2021-11-20 23:18:07,768 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:07" (1/1) ... [2021-11-20 23:18:07,770 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:07" (1/1) ... [2021-11-20 23:18:07,770 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:07" (1/1) ... [2021-11-20 23:18:07,776 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:07" (1/1) ... [2021-11-20 23:18:07,778 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:07" (1/1) ... [2021-11-20 23:18:07,780 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:07" (1/1) ... [2021-11-20 23:18:07,782 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 23:18:07,783 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 23:18:07,784 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 23:18:07,784 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 23:18:07,785 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:07" (1/1) ... [2021-11-20 23:18:07,794 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:18:07,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc7b7a53-3a53-4205-bcab-2b11eef82553/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:18:07,841 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc7b7a53-3a53-4205-bcab-2b11eef82553/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 23:18:07,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc7b7a53-3a53-4205-bcab-2b11eef82553/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 23:18:07,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 23:18:07,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 23:18:07,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 23:18:07,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 23:18:07,984 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 23:18:07,986 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 23:18:08,104 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 23:18:08,180 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 23:18:08,180 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-20 23:18:08,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:18:08 BoogieIcfgContainer [2021-11-20 23:18:08,184 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 23:18:08,186 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 23:18:08,186 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 23:18:08,190 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 23:18:08,190 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:18:07" (1/3) ... [2021-11-20 23:18:08,191 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f58f7d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:18:08, skipping insertion in model container [2021-11-20 23:18:08,192 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:07" (2/3) ... [2021-11-20 23:18:08,192 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f58f7d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:18:08, skipping insertion in model container [2021-11-20 23:18:08,192 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:18:08" (3/3) ... [2021-11-20 23:18:08,194 INFO L111 eAbstractionObserver]: Analyzing ICFG cos_polynomial.c [2021-11-20 23:18:08,200 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 23:18:08,201 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 23:18:08,257 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 23:18:08,265 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-20 23:18:08,266 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 23:18:08,280 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) [2021-11-20 23:18:08,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-20 23:18:08,300 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:18:08,301 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-11-20 23:18:08,301 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:18:08,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:18:08,308 INFO L85 PathProgramCache]: Analyzing trace with hash 87548, now seen corresponding path program 1 times [2021-11-20 23:18:08,318 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:18:08,329 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905040979] [2021-11-20 23:18:08,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:18:08,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:18:08,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 23:18:08,565 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 23:18:08,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 23:18:08,634 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-20 23:18:08,637 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-20 23:18:08,638 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-20 23:18:08,641 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 23:18:08,646 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2021-11-20 23:18:08,650 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-20 23:18:08,675 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 11:18:08 BoogieIcfgContainer [2021-11-20 23:18:08,675 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-20 23:18:08,676 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 23:18:08,676 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 23:18:08,676 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 23:18:08,677 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:18:08" (3/4) ... [2021-11-20 23:18:08,680 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-20 23:18:08,680 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 23:18:08,681 INFO L158 Benchmark]: Toolchain (without parser) took 1291.08ms. Allocated memory is still 98.6MB. Free memory was 62.5MB in the beginning and 44.5MB in the end (delta: 18.0MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. [2021-11-20 23:18:08,682 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 98.6MB. Free memory was 71.1MB in the beginning and 71.1MB in the end (delta: 28.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 23:18:08,683 INFO L158 Benchmark]: CACSL2BoogieTranslator took 317.59ms. Allocated memory is still 98.6MB. Free memory was 62.2MB in the beginning and 73.2MB in the end (delta: -10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-20 23:18:08,684 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.18ms. Allocated memory is still 98.6MB. Free memory was 73.2MB in the beginning and 71.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 23:18:08,685 INFO L158 Benchmark]: Boogie Preprocessor took 24.73ms. Allocated memory is still 98.6MB. Free memory was 71.8MB in the beginning and 70.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 23:18:08,685 INFO L158 Benchmark]: RCFGBuilder took 400.42ms. Allocated memory is still 98.6MB. Free memory was 70.7MB in the beginning and 58.8MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-20 23:18:08,686 INFO L158 Benchmark]: TraceAbstraction took 489.53ms. Allocated memory is still 98.6MB. Free memory was 58.5MB in the beginning and 44.8MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-20 23:18:08,687 INFO L158 Benchmark]: Witness Printer took 4.38ms. Allocated memory is still 98.6MB. Free memory was 44.8MB in the beginning and 44.5MB in the end (delta: 344.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 23:18:08,691 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 98.6MB. Free memory was 71.1MB in the beginning and 71.1MB in the end (delta: 28.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 317.59ms. Allocated memory is still 98.6MB. Free memory was 62.2MB in the beginning and 73.2MB in the end (delta: -10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.18ms. Allocated memory is still 98.6MB. Free memory was 73.2MB in the beginning and 71.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.73ms. Allocated memory is still 98.6MB. Free memory was 71.8MB in the beginning and 70.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 400.42ms. Allocated memory is still 98.6MB. Free memory was 70.7MB in the beginning and 58.8MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 489.53ms. Allocated memory is still 98.6MB. Free memory was 58.5MB in the beginning and 44.8MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 4.38ms. Allocated memory is still 98.6MB. Free memory was 44.8MB in the beginning and 44.5MB in the end (delta: 344.0kB). 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 call to reach_error is unreachable Unable to prove that 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 TRUE x < 0. [L27] x = -x [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 TRUE x < 0.3 [L32] return 1.-(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 [\old(cond)=0, C1=416666666666666019037/10000000000000000000000, C3=124007936447383647089/5000000000000000000000000, C5=20875723212981748279/10000000000000000000000000000, cond=0] [L14] reach_error() VAL [\old(cond)=0, C1=416666666666666019037/10000000000000000000000, C3=124007936447383647089/5000000000000000000000000, C5=20875723212981748279/10000000000000000000000000000, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 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 [2021-11-20 23:18:08,745 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc7b7a53-3a53-4205-bcab-2b11eef82553/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc7b7a53-3a53-4205-bcab-2b11eef82553/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc7b7a53-3a53-4205-bcab-2b11eef82553/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc7b7a53-3a53-4205-bcab-2b11eef82553/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc7b7a53-3a53-4205-bcab-2b11eef82553/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/cos_polynomial.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc7b7a53-3a53-4205-bcab-2b11eef82553/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc7b7a53-3a53-4205-bcab-2b11eef82553/bin/utaipan-TEXQjIfE4P --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c41c899e123885a0a5b4b47d325ecb3bae7fd8ace0e033e73eafae066c754dcb --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 23:18:11,228 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 23:18:11,231 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 23:18:11,276 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 23:18:11,277 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 23:18:11,279 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 23:18:11,281 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 23:18:11,284 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 23:18:11,286 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 23:18:11,288 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 23:18:11,289 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 23:18:11,291 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 23:18:11,291 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 23:18:11,293 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 23:18:11,295 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 23:18:11,296 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 23:18:11,298 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 23:18:11,299 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 23:18:11,307 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 23:18:11,309 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 23:18:11,312 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 23:18:11,316 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 23:18:11,318 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 23:18:11,319 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 23:18:11,323 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 23:18:11,323 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 23:18:11,324 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 23:18:11,325 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 23:18:11,326 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 23:18:11,327 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 23:18:11,327 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 23:18:11,333 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 23:18:11,335 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 23:18:11,337 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 23:18:11,342 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 23:18:11,342 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 23:18:11,344 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 23:18:11,344 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 23:18:11,345 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 23:18:11,347 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 23:18:11,348 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 23:18:11,349 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc7b7a53-3a53-4205-bcab-2b11eef82553/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-20 23:18:11,406 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 23:18:11,406 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 23:18:11,407 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 23:18:11,407 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 23:18:11,408 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 23:18:11,409 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 23:18:11,409 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-20 23:18:11,409 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-20 23:18:11,410 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-20 23:18:11,410 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-20 23:18:11,411 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-20 23:18:11,412 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-20 23:18:11,414 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 23:18:11,414 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 23:18:11,414 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 23:18:11,415 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 23:18:11,415 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 23:18:11,415 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 23:18:11,416 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 23:18:11,416 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-20 23:18:11,416 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-20 23:18:11,416 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 23:18:11,417 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 23:18:11,417 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 23:18:11,417 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 23:18:11,418 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 23:18:11,418 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 23:18:11,418 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 23:18:11,418 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:18:11,419 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 23:18:11,419 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 23:18:11,419 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 23:18:11,420 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-20 23:18:11,421 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-20 23:18:11,421 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 23:18:11,421 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 23:18:11,421 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 23:18:11,422 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc7b7a53-3a53-4205-bcab-2b11eef82553/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc7b7a53-3a53-4205-bcab-2b11eef82553/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c41c899e123885a0a5b4b47d325ecb3bae7fd8ace0e033e73eafae066c754dcb [2021-11-20 23:18:11,848 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 23:18:11,889 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 23:18:11,892 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 23:18:11,893 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 23:18:11,894 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 23:18:11,896 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc7b7a53-3a53-4205-bcab-2b11eef82553/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/float-benchs/cos_polynomial.c [2021-11-20 23:18:11,972 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc7b7a53-3a53-4205-bcab-2b11eef82553/bin/utaipan-TEXQjIfE4P/data/d4f886907/66518171f94740d7b59ba7466f51153f/FLAG4cd4f1ab9 [2021-11-20 23:18:12,496 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 23:18:12,496 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc7b7a53-3a53-4205-bcab-2b11eef82553/sv-benchmarks/c/float-benchs/cos_polynomial.c [2021-11-20 23:18:12,504 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc7b7a53-3a53-4205-bcab-2b11eef82553/bin/utaipan-TEXQjIfE4P/data/d4f886907/66518171f94740d7b59ba7466f51153f/FLAG4cd4f1ab9 [2021-11-20 23:18:12,858 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc7b7a53-3a53-4205-bcab-2b11eef82553/bin/utaipan-TEXQjIfE4P/data/d4f886907/66518171f94740d7b59ba7466f51153f [2021-11-20 23:18:12,861 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 23:18:12,863 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 23:18:12,864 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 23:18:12,864 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 23:18:12,868 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 23:18:12,869 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:18:12" (1/1) ... [2021-11-20 23:18:12,870 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29b6aa0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:12, skipping insertion in model container [2021-11-20 23:18:12,871 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:18:12" (1/1) ... [2021-11-20 23:18:12,878 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 23:18:12,892 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 23:18:13,038 WARN L230 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_cc7b7a53-3a53-4205-bcab-2b11eef82553/sv-benchmarks/c/float-benchs/cos_polynomial.c[619,632] [2021-11-20 23:18:13,075 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:18:13,092 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 23:18:13,137 WARN L230 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_cc7b7a53-3a53-4205-bcab-2b11eef82553/sv-benchmarks/c/float-benchs/cos_polynomial.c[619,632] [2021-11-20 23:18:13,169 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:18:13,186 INFO L208 MainTranslator]: Completed translation [2021-11-20 23:18:13,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:13 WrapperNode [2021-11-20 23:18:13,186 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 23:18:13,188 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 23:18:13,188 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 23:18:13,188 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 23:18:13,195 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:13" (1/1) ... [2021-11-20 23:18:13,205 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:13" (1/1) ... [2021-11-20 23:18:13,226 INFO L137 Inliner]: procedures = 16, calls = 10, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 60 [2021-11-20 23:18:13,226 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 23:18:13,227 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 23:18:13,227 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 23:18:13,228 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 23:18:13,236 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:13" (1/1) ... [2021-11-20 23:18:13,237 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:13" (1/1) ... [2021-11-20 23:18:13,240 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:13" (1/1) ... [2021-11-20 23:18:13,240 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:13" (1/1) ... [2021-11-20 23:18:13,248 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:13" (1/1) ... [2021-11-20 23:18:13,250 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:13" (1/1) ... [2021-11-20 23:18:13,252 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:13" (1/1) ... [2021-11-20 23:18:13,255 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 23:18:13,257 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 23:18:13,257 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 23:18:13,257 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 23:18:13,258 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:13" (1/1) ... [2021-11-20 23:18:13,268 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:18:13,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc7b7a53-3a53-4205-bcab-2b11eef82553/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:18:13,292 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc7b7a53-3a53-4205-bcab-2b11eef82553/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 23:18:13,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc7b7a53-3a53-4205-bcab-2b11eef82553/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 23:18:13,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 23:18:13,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-20 23:18:13,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 23:18:13,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 23:18:13,408 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 23:18:13,410 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 23:18:20,313 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 23:18:20,320 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 23:18:20,320 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-20 23:18:20,322 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:18:20 BoogieIcfgContainer [2021-11-20 23:18:20,322 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 23:18:20,325 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 23:18:20,325 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 23:18:20,329 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 23:18:20,329 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:18:12" (1/3) ... [2021-11-20 23:18:20,330 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71c8c3eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:18:20, skipping insertion in model container [2021-11-20 23:18:20,331 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:13" (2/3) ... [2021-11-20 23:18:20,331 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71c8c3eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:18:20, skipping insertion in model container [2021-11-20 23:18:20,331 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:18:20" (3/3) ... [2021-11-20 23:18:20,333 INFO L111 eAbstractionObserver]: Analyzing ICFG cos_polynomial.c [2021-11-20 23:18:20,340 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 23:18:20,341 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 23:18:20,405 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 23:18:20,412 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-20 23:18:20,413 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 23:18:20,426 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) [2021-11-20 23:18:20,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-20 23:18:20,432 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:18:20,433 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:18:20,434 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:18:20,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:18:20,441 INFO L85 PathProgramCache]: Analyzing trace with hash -1236255304, now seen corresponding path program 1 times [2021-11-20 23:18:20,454 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 23:18:20,455 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1372759449] [2021-11-20 23:18:20,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:18:20,456 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 23:18:20,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc7b7a53-3a53-4205-bcab-2b11eef82553/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 23:18:20,473 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc7b7a53-3a53-4205-bcab-2b11eef82553/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 23:18:20,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc7b7a53-3a53-4205-bcab-2b11eef82553/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-20 23:18:22,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:18:22,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-20 23:18:22,882 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:18:23,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:18:23,013 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:18:23,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:18:23,142 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 23:18:23,143 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1372759449] [2021-11-20 23:18:23,143 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1372759449] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 23:18:23,144 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:18:23,144 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-20 23:18:23,145 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825937302] [2021-11-20 23:18:23,146 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 23:18:23,151 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-20 23:18:23,151 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 23:18:23,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-20 23:18:23,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 23:18:23,182 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) [2021-11-20 23:18:23,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:18:23,196 INFO L93 Difference]: Finished difference Result 31 states and 38 transitions. [2021-11-20 23:18:23,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 23:18:23,199 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-11-20 23:18:23,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:18:23,206 INFO L225 Difference]: With dead ends: 31 [2021-11-20 23:18:23,207 INFO L226 Difference]: Without dead ends: 13 [2021-11-20 23:18:23,210 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 23:18:23,214 INFO L933 BasicCegarLoop]: 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 [2021-11-20 23:18:23,215 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 23:18:23,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2021-11-20 23:18:23,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2021-11-20 23:18:23,243 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) [2021-11-20 23:18:23,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 15 transitions. [2021-11-20 23:18:23,245 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 15 transitions. Word has length 10 [2021-11-20 23:18:23,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:18:23,246 INFO L470 AbstractCegarLoop]: Abstraction has 13 states and 15 transitions. [2021-11-20 23:18:23,246 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:18:23,246 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2021-11-20 23:18:23,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-20 23:18:23,247 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:18:23,247 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:18:23,305 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc7b7a53-3a53-4205-bcab-2b11eef82553/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-20 23:18:23,461 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc7b7a53-3a53-4205-bcab-2b11eef82553/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 23:18:23,461 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:18:23,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:18:23,462 INFO L85 PathProgramCache]: Analyzing trace with hash -2045601930, now seen corresponding path program 1 times [2021-11-20 23:18:23,463 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 23:18:23,463 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2044954050] [2021-11-20 23:18:23,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:18:23,463 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 23:18:23,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc7b7a53-3a53-4205-bcab-2b11eef82553/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 23:18:23,465 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc7b7a53-3a53-4205-bcab-2b11eef82553/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 23:18:23,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc7b7a53-3a53-4205-bcab-2b11eef82553/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-20 23:28:24,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:28:24,793 WARN L261 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-20 23:28:24,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:28:55,651 WARN L227 SmtUtils]: Spent 9.92s on a formula simplification that was a NOOP. DAG size: 42 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-20 23:29:17,328 WARN L227 SmtUtils]: Spent 5.12s on a formula simplification that was a NOOP. DAG size: 43 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-20 23:29:38,495 WARN L838 $PredicateComparison]: unable to prove that (and (= c_currentRoundingMode roundNearestTiesToEven) (exists ((|v_ULTIMATE.start_mcos_~x#1_12| (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 2.0))) (.cse1 (fp.mul c_currentRoundingMode |v_ULTIMATE.start_mcos_~x#1_12| |v_ULTIMATE.start_mcos_~x#1_12|))) (and (fp.lt |v_ULTIMATE.start_mcos_~x#1_12| (_ +zero 11 53)) (fp.geq |v_ULTIMATE.start_mcos_~x#1_12| (fp.neg .cse0)) (= |c_ULTIMATE.start_mcos_~hz~0#1| (fp.mul c_currentRoundingMode .cse0 .cse1)) (= |c_ULTIMATE.start_mcos_~zr~0#1| (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)))))))))))))))))))) is different from false [2021-11-20 23:29:55,238 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_mcos_~x#1_12| (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 2.0)))) (and (fp.lt |v_ULTIMATE.start_mcos_~x#1_12| (_ +zero 11 53)) (= (fp.sub c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 1.0) (let ((.cse1 (fp.mul c_currentRoundingMode |v_ULTIMATE.start_mcos_~x#1_12| |v_ULTIMATE.start_mcos_~x#1_12|))) (fp.sub c_currentRoundingMode (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_#res#1|) (fp.geq |v_ULTIMATE.start_mcos_~x#1_12| (fp.neg .cse0))))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2021-11-20 23:31:54,473 WARN L838 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_mcos_~x#1_12| (_ FloatingPoint 11 53))) (let ((.cse3 ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 2.0)))) (and (let ((.cse2 (fp.sub roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (let ((.cse4 (fp.mul roundNearestTiesToEven |v_ULTIMATE.start_mcos_~x#1_12| |v_ULTIMATE.start_mcos_~x#1_12|))) (fp.sub roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse3 .cse4) (fp.mul roundNearestTiesToEven .cse4 (fp.mul roundNearestTiesToEven .cse4 (fp.add roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 416666666666666019037.0 10000000000000000000000.0)) (fp.mul roundNearestTiesToEven .cse4 (fp.add roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven (/ 138888888888741095749.0 100000000000000000000000.0))) (fp.mul roundNearestTiesToEven .cse4 (fp.add roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 124007936447383647089.0 5000000000000000000000000.0)) (fp.mul roundNearestTiesToEven .cse4 (fp.add roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven (/ 55114628702781326607.0 200000000000000000000000000.0))) (fp.mul roundNearestTiesToEven .cse4 (fp.add roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 20875723212981748279.0 10000000000000000000000000000.0)) (fp.mul roundNearestTiesToEven .cse4 (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven (/ 22719295115576389653.0 2000000000000000000000000000000.0)))))))))))))))))))) (let ((.cse1 (fp.leq .cse2 ((_ to_fp 11 53) roundNearestTiesToEven (/ 11.0 10.0)))) (.cse0 (fp.geq .cse2 (_ +zero 11 53)))) (or (and .cse0 (= |c_ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv1 32)) .cse1) (and (= |c_ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv0 32)) (or (not .cse1) (not .cse0)))))) (fp.lt |v_ULTIMATE.start_mcos_~x#1_12| (_ +zero 11 53)) (fp.geq |v_ULTIMATE.start_mcos_~x#1_12| (fp.neg .cse3))))) is different from false [2021-11-20 23:31:56,657 WARN L860 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_mcos_~x#1_12| (_ FloatingPoint 11 53))) (let ((.cse3 ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 2.0)))) (and (let ((.cse2 (fp.sub roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (let ((.cse4 (fp.mul roundNearestTiesToEven |v_ULTIMATE.start_mcos_~x#1_12| |v_ULTIMATE.start_mcos_~x#1_12|))) (fp.sub roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse3 .cse4) (fp.mul roundNearestTiesToEven .cse4 (fp.mul roundNearestTiesToEven .cse4 (fp.add roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 416666666666666019037.0 10000000000000000000000.0)) (fp.mul roundNearestTiesToEven .cse4 (fp.add roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven (/ 138888888888741095749.0 100000000000000000000000.0))) (fp.mul roundNearestTiesToEven .cse4 (fp.add roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 124007936447383647089.0 5000000000000000000000000.0)) (fp.mul roundNearestTiesToEven .cse4 (fp.add roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven (/ 55114628702781326607.0 200000000000000000000000000.0))) (fp.mul roundNearestTiesToEven .cse4 (fp.add roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 20875723212981748279.0 10000000000000000000000000000.0)) (fp.mul roundNearestTiesToEven .cse4 (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven (/ 22719295115576389653.0 2000000000000000000000000000000.0)))))))))))))))))))) (let ((.cse1 (fp.leq .cse2 ((_ to_fp 11 53) roundNearestTiesToEven (/ 11.0 10.0)))) (.cse0 (fp.geq .cse2 (_ +zero 11 53)))) (or (and .cse0 (= |c_ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv1 32)) .cse1) (and (= |c_ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv0 32)) (or (not .cse1) (not .cse0)))))) (fp.lt |v_ULTIMATE.start_mcos_~x#1_12| (_ +zero 11 53)) (fp.geq |v_ULTIMATE.start_mcos_~x#1_12| (fp.neg .cse3))))) is different from true