./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/sin_interpolated_negation.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c0afa5-0e1b-4ae7-8cfd-0bf21190a376/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c0afa5-0e1b-4ae7-8cfd-0bf21190a376/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c0afa5-0e1b-4ae7-8cfd-0bf21190a376/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c0afa5-0e1b-4ae7-8cfd-0bf21190a376/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/sin_interpolated_negation.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c0afa5-0e1b-4ae7-8cfd-0bf21190a376/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c0afa5-0e1b-4ae7-8cfd-0bf21190a376/bin/utaipan-vmNK8stdcF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9fc903c4e042f1a917ff23806dc398a0ae6250449674c68af7855fc8b73da478 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 22:33:20,959 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 22:33:20,961 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 22:33:20,991 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 22:33:20,991 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 22:33:20,993 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 22:33:20,995 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 22:33:20,997 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 22:33:20,999 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 22:33:21,001 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 22:33:21,002 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 22:33:21,003 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 22:33:21,004 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 22:33:21,005 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 22:33:21,007 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 22:33:21,008 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 22:33:21,009 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 22:33:21,011 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 22:33:21,013 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 22:33:21,015 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 22:33:21,017 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 22:33:21,018 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 22:33:21,020 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 22:33:21,021 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 22:33:21,025 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 22:33:21,025 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 22:33:21,026 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 22:33:21,027 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 22:33:21,028 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 22:33:21,029 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 22:33:21,029 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 22:33:21,030 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 22:33:21,031 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 22:33:21,032 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 22:33:21,034 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 22:33:21,034 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 22:33:21,035 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 22:33:21,035 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 22:33:21,036 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 22:33:21,037 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 22:33:21,038 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 22:33:21,039 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c0afa5-0e1b-4ae7-8cfd-0bf21190a376/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-12 22:33:21,064 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 22:33:21,064 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 22:33:21,065 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 22:33:21,066 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 22:33:21,066 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 22:33:21,066 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 22:33:21,066 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 22:33:21,069 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 22:33:21,069 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 22:33:21,069 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 22:33:21,069 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 22:33:21,070 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 22:33:21,070 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 22:33:21,070 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 22:33:21,070 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 22:33:21,071 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 22:33:21,072 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 22:33:21,072 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-12 22:33:21,072 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 22:33:21,072 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-12 22:33:21,073 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 22:33:21,073 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 22:33:21,073 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 22:33:21,073 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 22:33:21,073 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 22:33:21,073 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-12 22:33:21,074 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 22:33:21,074 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 22:33:21,074 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 22:33:21,074 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 22:33:21,074 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 22:33:21,074 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 22:33:21,075 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 22:33:21,075 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 22:33:21,075 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 22:33:21,075 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 22:33:21,076 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 22:33:21,076 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 22:33:21,076 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 22:33:21,076 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 22:33:21,076 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_d1c0afa5-0e1b-4ae7-8cfd-0bf21190a376/bin/utaipan-vmNK8stdcF/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c0afa5-0e1b-4ae7-8cfd-0bf21190a376/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9fc903c4e042f1a917ff23806dc398a0ae6250449674c68af7855fc8b73da478 [2021-11-12 22:33:21,383 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 22:33:21,413 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 22:33:21,416 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 22:33:21,417 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 22:33:21,418 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 22:33:21,419 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c0afa5-0e1b-4ae7-8cfd-0bf21190a376/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/float-benchs/sin_interpolated_negation.c [2021-11-12 22:33:21,488 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c0afa5-0e1b-4ae7-8cfd-0bf21190a376/bin/utaipan-vmNK8stdcF/data/a899b2022/8287741e13da4bbeaa32fa191cc5ca08/FLAGe2ea04fc4 [2021-11-12 22:33:21,989 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 22:33:21,993 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c0afa5-0e1b-4ae7-8cfd-0bf21190a376/sv-benchmarks/c/float-benchs/sin_interpolated_negation.c [2021-11-12 22:33:22,003 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c0afa5-0e1b-4ae7-8cfd-0bf21190a376/bin/utaipan-vmNK8stdcF/data/a899b2022/8287741e13da4bbeaa32fa191cc5ca08/FLAGe2ea04fc4 [2021-11-12 22:33:22,343 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c0afa5-0e1b-4ae7-8cfd-0bf21190a376/bin/utaipan-vmNK8stdcF/data/a899b2022/8287741e13da4bbeaa32fa191cc5ca08 [2021-11-12 22:33:22,347 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 22:33:22,350 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 22:33:22,352 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 22:33:22,353 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 22:33:22,356 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 22:33:22,356 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:33:22" (1/1) ... [2021-11-12 22:33:22,358 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54f5be03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:33:22, skipping insertion in model container [2021-11-12 22:33:22,359 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:33:22" (1/1) ... [2021-11-12 22:33:22,367 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 22:33:22,398 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 22:33:22,624 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c0afa5-0e1b-4ae7-8cfd-0bf21190a376/sv-benchmarks/c/float-benchs/sin_interpolated_negation.c[684,697] [2021-11-12 22:33:22,694 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 22:33:22,792 INFO L203 MainTranslator]: Completed pre-run [2021-11-12 22:33:22,811 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c0afa5-0e1b-4ae7-8cfd-0bf21190a376/sv-benchmarks/c/float-benchs/sin_interpolated_negation.c[684,697] [2021-11-12 22:33:22,851 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 22:33:22,947 INFO L208 MainTranslator]: Completed translation [2021-11-12 22:33:22,948 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:33:22 WrapperNode [2021-11-12 22:33:22,948 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 22:33:22,949 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-12 22:33:22,950 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-12 22:33:22,950 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-12 22:33:22,957 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:33:22" (1/1) ... [2021-11-12 22:33:22,983 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:33:22" (1/1) ... [2021-11-12 22:33:23,060 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-12 22:33:23,061 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-12 22:33:23,061 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-12 22:33:23,062 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-12 22:33:23,070 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:33:22" (1/1) ... [2021-11-12 22:33:23,070 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:33:22" (1/1) ... [2021-11-12 22:33:23,086 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:33:22" (1/1) ... [2021-11-12 22:33:23,087 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:33:22" (1/1) ... [2021-11-12 22:33:23,130 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:33:22" (1/1) ... [2021-11-12 22:33:23,133 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:33:22" (1/1) ... [2021-11-12 22:33:23,137 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:33:22" (1/1) ... [2021-11-12 22:33:23,140 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-12 22:33:23,141 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-12 22:33:23,142 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-12 22:33:23,142 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-12 22:33:23,143 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:33:22" (1/1) ... [2021-11-12 22:33:23,157 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 22:33:23,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c0afa5-0e1b-4ae7-8cfd-0bf21190a376/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 22:33:23,185 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c0afa5-0e1b-4ae7-8cfd-0bf21190a376/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-12 22:33:23,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c0afa5-0e1b-4ae7-8cfd-0bf21190a376/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-12 22:33:23,231 INFO L130 BoogieDeclarations]: Found specification of procedure SIN_POS [2021-11-12 22:33:23,232 INFO L138 BoogieDeclarations]: Found implementation of procedure SIN_POS [2021-11-12 22:33:23,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-12 22:33:23,233 INFO L130 BoogieDeclarations]: Found specification of procedure SIN_0_180 [2021-11-12 22:33:23,233 INFO L138 BoogieDeclarations]: Found implementation of procedure SIN_0_180 [2021-11-12 22:33:23,233 INFO L130 BoogieDeclarations]: Found specification of procedure SIN_180 [2021-11-12 22:33:23,233 INFO L138 BoogieDeclarations]: Found implementation of procedure SIN_180 [2021-11-12 22:33:23,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-12 22:33:23,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-11-12 22:33:23,234 INFO L130 BoogieDeclarations]: Found specification of procedure SIN [2021-11-12 22:33:23,234 INFO L138 BoogieDeclarations]: Found implementation of procedure SIN [2021-11-12 22:33:23,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-12 22:33:23,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-12 22:33:23,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-11-12 22:33:23,797 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-12 22:33:23,797 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-12 22:33:23,799 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 10:33:23 BoogieIcfgContainer [2021-11-12 22:33:23,800 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-12 22:33:23,801 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-12 22:33:23,801 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-12 22:33:23,812 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-12 22:33:23,812 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 10:33:22" (1/3) ... [2021-11-12 22:33:23,813 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d1bbca4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 10:33:23, skipping insertion in model container [2021-11-12 22:33:23,813 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:33:22" (2/3) ... [2021-11-12 22:33:23,813 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d1bbca4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 10:33:23, skipping insertion in model container [2021-11-12 22:33:23,814 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 10:33:23" (3/3) ... [2021-11-12 22:33:23,815 INFO L111 eAbstractionObserver]: Analyzing ICFG sin_interpolated_negation.c [2021-11-12 22:33:23,821 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-12 22:33:23,821 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-12 22:33:23,881 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 22:33:23,887 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-12 22:33:23,887 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-12 22:33:23,901 INFO L276 IsEmpty]: Start isEmpty. Operand has 36 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 23 states have internal predecessors, (28), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-12 22:33:23,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-12 22:33:23,908 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:33:23,908 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:33:23,909 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 22:33:23,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:33:23,914 INFO L85 PathProgramCache]: Analyzing trace with hash -1810588642, now seen corresponding path program 1 times [2021-11-12 22:33:23,923 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 22:33:23,924 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781036924] [2021-11-12 22:33:23,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:33:23,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 22:33:24,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-12 22:33:24,201 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-12 22:33:24,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-12 22:33:24,423 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-12 22:33:24,425 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-12 22:33:24,426 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-12 22:33:24,429 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-12 22:33:24,433 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2021-11-12 22:33:24,436 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-12 22:33:24,476 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.computeCurrectProc(InlinerBacktranslator.java:230) at de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.translateProgramExecution(InlinerBacktranslator.java:203) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:216) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:206) at de.uni_freiburg.informatik.ultimate.core.lib.results.UnprovableResult.getProgramExecutionAsString(UnprovableResult.java:132) at de.uni_freiburg.informatik.ultimate.core.lib.results.UnprovableResult.getLongDescription(UnprovableResult.java:125) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:86) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResultReporter.reportResult(CegarLoopResultReporter.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportLocationResults(TraceAbstractionStarter.java:586) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:181) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-12 22:33:24,489 INFO L158 Benchmark]: Toolchain (without parser) took 2138.23ms. Allocated memory was 98.6MB in the beginning and 127.9MB in the end (delta: 29.4MB). Free memory was 66.6MB in the beginning and 83.1MB in the end (delta: -16.5MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2021-11-12 22:33:24,490 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 98.6MB. Free memory was 53.4MB in the beginning and 53.4MB in the end (delta: 48.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 22:33:24,492 INFO L158 Benchmark]: CACSL2BoogieTranslator took 596.26ms. Allocated memory was 98.6MB in the beginning and 127.9MB in the end (delta: 29.4MB). Free memory was 66.4MB in the beginning and 92.8MB in the end (delta: -26.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-12 22:33:24,493 INFO L158 Benchmark]: Boogie Procedure Inliner took 110.84ms. Allocated memory is still 127.9MB. Free memory was 92.8MB in the beginning and 88.2MB in the end (delta: 4.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-12 22:33:24,494 INFO L158 Benchmark]: Boogie Preprocessor took 79.59ms. Allocated memory is still 127.9MB. Free memory was 88.2MB in the beginning and 84.6MB in the end (delta: 3.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-12 22:33:24,498 INFO L158 Benchmark]: RCFGBuilder took 658.40ms. Allocated memory is still 127.9MB. Free memory was 84.6MB in the beginning and 89.9MB in the end (delta: -5.4MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. [2021-11-12 22:33:24,499 INFO L158 Benchmark]: TraceAbstraction took 686.53ms. Allocated memory is still 127.9MB. Free memory was 89.9MB in the beginning and 83.1MB in the end (delta: 6.8MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. [2021-11-12 22:33:24,504 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 98.6MB. Free memory was 53.4MB in the beginning and 53.4MB in the end (delta: 48.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 596.26ms. Allocated memory was 98.6MB in the beginning and 127.9MB in the end (delta: 29.4MB). Free memory was 66.4MB in the beginning and 92.8MB in the end (delta: -26.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 110.84ms. Allocated memory is still 127.9MB. Free memory was 92.8MB in the beginning and 88.2MB in the end (delta: 4.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 79.59ms. Allocated memory is still 127.9MB. Free memory was 88.2MB in the beginning and 84.6MB in the end (delta: 3.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 658.40ms. Allocated memory is still 127.9MB. Free memory was 84.6MB in the beginning and 89.9MB in the end (delta: -5.4MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. * TraceAbstraction took 686.53ms. Allocated memory is still 127.9MB. Free memory was 89.9MB in the beginning and 83.1MB in the end (delta: 6.8MB). Peak memory consumption was 5.9MB. 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 - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: null: de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.computeCurrectProc(InlinerBacktranslator.java:230) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-12 22:33:24,555 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c0afa5-0e1b-4ae7-8cfd-0bf21190a376/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c0afa5-0e1b-4ae7-8cfd-0bf21190a376/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c0afa5-0e1b-4ae7-8cfd-0bf21190a376/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c0afa5-0e1b-4ae7-8cfd-0bf21190a376/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c0afa5-0e1b-4ae7-8cfd-0bf21190a376/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/sin_interpolated_negation.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c0afa5-0e1b-4ae7-8cfd-0bf21190a376/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c0afa5-0e1b-4ae7-8cfd-0bf21190a376/bin/utaipan-vmNK8stdcF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9fc903c4e042f1a917ff23806dc398a0ae6250449674c68af7855fc8b73da478 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 22:33:26,959 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 22:33:26,961 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 22:33:26,991 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 22:33:26,992 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 22:33:26,996 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 22:33:27,000 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 22:33:27,004 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 22:33:27,007 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 22:33:27,015 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 22:33:27,016 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 22:33:27,018 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 22:33:27,018 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 22:33:27,021 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 22:33:27,023 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 22:33:27,025 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 22:33:27,027 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 22:33:27,028 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 22:33:27,032 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 22:33:27,039 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 22:33:27,041 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 22:33:27,042 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 22:33:27,044 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 22:33:27,046 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 22:33:27,055 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 22:33:27,055 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 22:33:27,056 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 22:33:27,058 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 22:33:27,058 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 22:33:27,059 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 22:33:27,060 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 22:33:27,061 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 22:33:27,063 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 22:33:27,063 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 22:33:27,065 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 22:33:27,065 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 22:33:27,066 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 22:33:27,083 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 22:33:27,084 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 22:33:27,085 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 22:33:27,086 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 22:33:27,086 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c0afa5-0e1b-4ae7-8cfd-0bf21190a376/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-12 22:33:27,125 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 22:33:27,125 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 22:33:27,126 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 22:33:27,127 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 22:33:27,127 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 22:33:27,127 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 22:33:27,127 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 22:33:27,128 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 22:33:27,128 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 22:33:27,128 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 22:33:27,130 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 22:33:27,130 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-12 22:33:27,131 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-12 22:33:27,131 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 22:33:27,131 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 22:33:27,131 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 22:33:27,132 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 22:33:27,132 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 22:33:27,132 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-12 22:33:27,132 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-12 22:33:27,133 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-12 22:33:27,133 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 22:33:27,133 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 22:33:27,133 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 22:33:27,134 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 22:33:27,134 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-12 22:33:27,134 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 22:33:27,134 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 22:33:27,135 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 22:33:27,135 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 22:33:27,135 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 22:33:27,135 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-12 22:33:27,136 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-12 22:33:27,136 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 22:33:27,136 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 22:33:27,137 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 22:33:27,137 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_d1c0afa5-0e1b-4ae7-8cfd-0bf21190a376/bin/utaipan-vmNK8stdcF/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c0afa5-0e1b-4ae7-8cfd-0bf21190a376/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9fc903c4e042f1a917ff23806dc398a0ae6250449674c68af7855fc8b73da478 [2021-11-12 22:33:27,541 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 22:33:27,565 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 22:33:27,568 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 22:33:27,569 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 22:33:27,571 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 22:33:27,573 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c0afa5-0e1b-4ae7-8cfd-0bf21190a376/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/float-benchs/sin_interpolated_negation.c [2021-11-12 22:33:27,649 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c0afa5-0e1b-4ae7-8cfd-0bf21190a376/bin/utaipan-vmNK8stdcF/data/5cf0e46f0/ff35a8fd2c6948a7a6a3a79b8a19487b/FLAGe9285a037 [2021-11-12 22:33:28,222 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 22:33:28,231 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c0afa5-0e1b-4ae7-8cfd-0bf21190a376/sv-benchmarks/c/float-benchs/sin_interpolated_negation.c [2021-11-12 22:33:28,239 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c0afa5-0e1b-4ae7-8cfd-0bf21190a376/bin/utaipan-vmNK8stdcF/data/5cf0e46f0/ff35a8fd2c6948a7a6a3a79b8a19487b/FLAGe9285a037 [2021-11-12 22:33:28,570 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c0afa5-0e1b-4ae7-8cfd-0bf21190a376/bin/utaipan-vmNK8stdcF/data/5cf0e46f0/ff35a8fd2c6948a7a6a3a79b8a19487b [2021-11-12 22:33:28,573 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 22:33:28,575 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 22:33:28,579 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 22:33:28,579 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 22:33:28,583 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 22:33:28,584 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:33:28" (1/1) ... [2021-11-12 22:33:28,585 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4484e917 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:33:28, skipping insertion in model container [2021-11-12 22:33:28,586 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:33:28" (1/1) ... [2021-11-12 22:33:28,595 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 22:33:28,627 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 22:33:28,763 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c0afa5-0e1b-4ae7-8cfd-0bf21190a376/sv-benchmarks/c/float-benchs/sin_interpolated_negation.c[684,697] [2021-11-12 22:33:28,844 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 22:33:28,937 INFO L203 MainTranslator]: Completed pre-run [2021-11-12 22:33:28,984 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c0afa5-0e1b-4ae7-8cfd-0bf21190a376/sv-benchmarks/c/float-benchs/sin_interpolated_negation.c[684,697] [2021-11-12 22:33:29,017 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 22:33:29,125 INFO L208 MainTranslator]: Completed translation [2021-11-12 22:33:29,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:33:29 WrapperNode [2021-11-12 22:33:29,125 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 22:33:29,126 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-12 22:33:29,126 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-12 22:33:29,127 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-12 22:33:29,137 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:33:29" (1/1) ... [2021-11-12 22:33:29,173 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:33:29" (1/1) ... [2021-11-12 22:33:29,228 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-12 22:33:29,229 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-12 22:33:29,229 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-12 22:33:29,230 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-12 22:33:29,237 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:33:29" (1/1) ... [2021-11-12 22:33:29,238 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:33:29" (1/1) ... [2021-11-12 22:33:29,247 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:33:29" (1/1) ... [2021-11-12 22:33:29,248 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:33:29" (1/1) ... [2021-11-12 22:33:29,280 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:33:29" (1/1) ... [2021-11-12 22:33:29,287 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:33:29" (1/1) ... [2021-11-12 22:33:29,291 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:33:29" (1/1) ... [2021-11-12 22:33:29,313 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-12 22:33:29,314 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-12 22:33:29,314 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-12 22:33:29,315 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-12 22:33:29,315 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:33:29" (1/1) ... [2021-11-12 22:33:29,333 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 22:33:29,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c0afa5-0e1b-4ae7-8cfd-0bf21190a376/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 22:33:29,372 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c0afa5-0e1b-4ae7-8cfd-0bf21190a376/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-12 22:33:29,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c0afa5-0e1b-4ae7-8cfd-0bf21190a376/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-12 22:33:29,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-11-12 22:33:29,415 INFO L130 BoogieDeclarations]: Found specification of procedure SIN_POS [2021-11-12 22:33:29,415 INFO L138 BoogieDeclarations]: Found implementation of procedure SIN_POS [2021-11-12 22:33:29,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-12 22:33:29,415 INFO L130 BoogieDeclarations]: Found specification of procedure SIN_0_180 [2021-11-12 22:33:29,417 INFO L138 BoogieDeclarations]: Found implementation of procedure SIN_0_180 [2021-11-12 22:33:29,417 INFO L130 BoogieDeclarations]: Found specification of procedure SIN_180 [2021-11-12 22:33:29,417 INFO L138 BoogieDeclarations]: Found implementation of procedure SIN_180 [2021-11-12 22:33:29,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-12 22:33:29,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2021-11-12 22:33:29,418 INFO L130 BoogieDeclarations]: Found specification of procedure SIN [2021-11-12 22:33:29,418 INFO L138 BoogieDeclarations]: Found implementation of procedure SIN [2021-11-12 22:33:29,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-12 22:33:29,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-12 22:33:35,325 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-12 22:33:35,325 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-12 22:33:35,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 10:33:35 BoogieIcfgContainer [2021-11-12 22:33:35,327 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-12 22:33:35,329 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-12 22:33:35,329 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-12 22:33:35,332 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-12 22:33:35,332 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 10:33:28" (1/3) ... [2021-11-12 22:33:35,333 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48044770 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 10:33:35, skipping insertion in model container [2021-11-12 22:33:35,333 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:33:29" (2/3) ... [2021-11-12 22:33:35,334 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48044770 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 10:33:35, skipping insertion in model container [2021-11-12 22:33:35,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 10:33:35" (3/3) ... [2021-11-12 22:33:35,335 INFO L111 eAbstractionObserver]: Analyzing ICFG sin_interpolated_negation.c [2021-11-12 22:33:35,341 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-12 22:33:35,341 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-12 22:33:35,389 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 22:33:35,396 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-12 22:33:35,397 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-12 22:33:35,413 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 30 states have (on average 1.2666666666666666) internal successors, (38), 31 states have internal predecessors, (38), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-12 22:33:35,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-12 22:33:35,421 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:33:35,421 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:33:35,422 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 22:33:35,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:33:35,427 INFO L85 PathProgramCache]: Analyzing trace with hash 1228543863, now seen corresponding path program 1 times [2021-11-12 22:33:35,457 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:33:35,457 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1425348981] [2021-11-12 22:33:35,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:33:35,458 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:33:35,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c0afa5-0e1b-4ae7-8cfd-0bf21190a376/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:33:35,466 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c0afa5-0e1b-4ae7-8cfd-0bf21190a376/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:33:35,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c0afa5-0e1b-4ae7-8cfd-0bf21190a376/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-12 22:33:38,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:33:38,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 1196 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-12 22:33:38,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:33:39,202 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-12 22:33:39,202 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:33:39,396 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-12 22:33:39,397 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:33:39,397 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1425348981] [2021-11-12 22:33:39,398 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1425348981] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:33:39,398 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 22:33:39,398 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-12 22:33:39,400 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928262760] [2021-11-12 22:33:39,401 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:33:39,405 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-12 22:33:39,405 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:33:39,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-12 22:33:39,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-12 22:33:39,434 INFO L87 Difference]: Start difference. First operand has 44 states, 30 states have (on average 1.2666666666666666) internal successors, (38), 31 states have internal predecessors, (38), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-12 22:33:39,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:33:39,457 INFO L93 Difference]: Finished difference Result 86 states and 106 transitions. [2021-11-12 22:33:39,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-12 22:33:39,459 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 52 [2021-11-12 22:33:39,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:33:39,466 INFO L225 Difference]: With dead ends: 86 [2021-11-12 22:33:39,466 INFO L226 Difference]: Without dead ends: 40 [2021-11-12 22:33:39,469 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-12 22:33:39,473 INFO L933 BasicCegarLoop]: 51 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.96ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time [2021-11-12 22:33:39,474 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.96ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time] [2021-11-12 22:33:39,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2021-11-12 22:33:39,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2021-11-12 22:33:39,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 27 states have (on average 1.1481481481481481) internal successors, (31), 27 states have internal predecessors, (31), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-12 22:33:39,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 47 transitions. [2021-11-12 22:33:39,518 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 47 transitions. Word has length 52 [2021-11-12 22:33:39,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:33:39,519 INFO L470 AbstractCegarLoop]: Abstraction has 40 states and 47 transitions. [2021-11-12 22:33:39,519 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-12 22:33:39,519 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 47 transitions. [2021-11-12 22:33:39,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-12 22:33:39,522 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:33:39,523 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:33:39,609 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c0afa5-0e1b-4ae7-8cfd-0bf21190a376/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-11-12 22:33:39,736 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c0afa5-0e1b-4ae7-8cfd-0bf21190a376/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:33:39,736 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 22:33:39,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:33:39,737 INFO L85 PathProgramCache]: Analyzing trace with hash -1021623079, now seen corresponding path program 1 times [2021-11-12 22:33:39,747 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:33:39,747 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1182332405] [2021-11-12 22:33:39,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:33:39,748 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:33:39,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c0afa5-0e1b-4ae7-8cfd-0bf21190a376/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:33:39,751 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c0afa5-0e1b-4ae7-8cfd-0bf21190a376/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:33:39,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c0afa5-0e1b-4ae7-8cfd-0bf21190a376/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-12 22:33:42,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:33:43,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 1196 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-12 22:33:43,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:33:58,993 WARN L838 $PredicateComparison]: unable to prove that (or (and (exists ((|ULTIMATE.start_main_~a~0#1| (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode 2.0))) (and (fp.leq |c_ULTIMATE.start_main_~aa~0#1| (fp.div c_currentRoundingMode (fp.add c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| ((_ to_fp 11 53) c_currentRoundingMode 1.0)) .cse0)) (fp.geq |c_ULTIMATE.start_main_~aa~0#1| (fp.div c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| .cse0))))) (= |c_ULTIMATE.start_assume_abort_if_not_~cond#1| (_ bv1 32))) (and (= |c_ULTIMATE.start_assume_abort_if_not_~cond#1| (_ bv0 32)) (or (exists ((|ULTIMATE.start_main_~a~0#1| (_ FloatingPoint 11 53))) (not (fp.leq |c_ULTIMATE.start_main_~aa~0#1| (fp.div c_currentRoundingMode (fp.add c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| ((_ to_fp 11 53) c_currentRoundingMode 1.0)) ((_ to_fp 11 53) c_currentRoundingMode 2.0))))) (exists ((|ULTIMATE.start_main_~a~0#1| (_ FloatingPoint 11 53))) (not (fp.geq |c_ULTIMATE.start_main_~aa~0#1| (fp.div c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| ((_ to_fp 11 53) c_currentRoundingMode 2.0)))))))) is different from false [2021-11-12 22:34:10,388 WARN L860 $PredicateComparison]: unable to prove that (exists ((|ULTIMATE.start_main_~a~0#1| (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode 2.0))) (and (fp.leq |c_ULTIMATE.start_main_~aa~0#1| (fp.div c_currentRoundingMode (fp.add c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| ((_ to_fp 11 53) c_currentRoundingMode 1.0)) .cse0)) (fp.geq |c_ULTIMATE.start_main_~aa~0#1| (fp.div c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| .cse0))))) is different from true [2021-11-12 22:34:27,938 WARN L838 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_1| (_ FloatingPoint 11 53)) (|ULTIMATE.start_main_~a~0#1| (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode 2.0))) (and (fp.leq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_1| (fp.div c_currentRoundingMode (fp.add c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| ((_ to_fp 11 53) c_currentRoundingMode 1.0)) .cse0)) (fp.geq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_1| (fp.div c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| .cse0))))) is different from false [2021-11-12 22:34:29,972 WARN L860 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_1| (_ FloatingPoint 11 53)) (|ULTIMATE.start_main_~a~0#1| (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode 2.0))) (and (fp.leq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_1| (fp.div c_currentRoundingMode (fp.add c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| ((_ to_fp 11 53) c_currentRoundingMode 1.0)) .cse0)) (fp.geq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_1| (fp.div c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| .cse0))))) is different from true [2021-11-12 22:34:45,566 WARN L227 SmtUtils]: Spent 6.19s on a formula simplification. DAG size of input: 18 DAG size of output: 3 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-12 22:34:55,125 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((|ULTIMATE.start_main_~a~0#1| (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode 2.0))) (and (fp.leq |c_ULTIMATE.start_main_~aa~0#1| (fp.div c_currentRoundingMode (fp.add c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| ((_ to_fp 11 53) c_currentRoundingMode 1.0)) .cse0)) (fp.geq |c_ULTIMATE.start_main_~aa~0#1| (fp.div c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| .cse0))))) (fp.lt |c_ULTIMATE.start_main_~aa~0#1| ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))) is different from false [2021-11-12 22:35:11,876 WARN L838 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_2| (_ FloatingPoint 11 53))) (and (exists ((|ULTIMATE.start_main_~a~0#1| (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode 2.0))) (and (fp.leq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_2| (fp.div c_currentRoundingMode (fp.add c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| ((_ to_fp 11 53) c_currentRoundingMode 1.0)) .cse0)) (fp.geq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_2| (fp.div c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| .cse0))))) (fp.lt |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_2| ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))))) is different from false [2021-11-12 22:35:13,926 WARN L860 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_2| (_ FloatingPoint 11 53))) (and (exists ((|ULTIMATE.start_main_~a~0#1| (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode 2.0))) (and (fp.leq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_2| (fp.div c_currentRoundingMode (fp.add c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| ((_ to_fp 11 53) c_currentRoundingMode 1.0)) .cse0)) (fp.geq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_2| (fp.div c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| .cse0))))) (fp.lt |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_2| ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))))) is different from true [2021-11-12 22:35:30,851 WARN L838 $PredicateComparison]: unable to prove that (and (= c_SIN_~x |c_SIN_#in~x|) (exists ((|v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_2| (_ FloatingPoint 11 53))) (and (exists ((|ULTIMATE.start_main_~a~0#1| (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode 2.0))) (and (fp.leq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_2| (fp.div c_currentRoundingMode (fp.add c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| ((_ to_fp 11 53) c_currentRoundingMode 1.0)) .cse0)) (fp.geq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_2| (fp.div c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| .cse0))))) (fp.lt |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_2| ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))))) is different from false [2021-11-12 22:36:08,851 WARN L838 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_2| (_ FloatingPoint 11 53)) (|ULTIMATE.start_main_~a~0#1| (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode 2.0))) (and (fp.leq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_2| (fp.div c_currentRoundingMode (fp.add c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| ((_ to_fp 11 53) c_currentRoundingMode 1.0)) .cse0)) (fp.geq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_2| (fp.div c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| .cse0)) (fp.lt |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_2| ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))))) is different from false [2021-11-12 22:36:32,274 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_2| (_ FloatingPoint 11 53)) (|ULTIMATE.start_main_~a~0#1| (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode 2.0))) (and (fp.leq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_2| (fp.div c_currentRoundingMode (fp.add c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| ((_ to_fp 11 53) c_currentRoundingMode 1.0)) .cse0)) (fp.geq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_2| (fp.div c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| .cse0)) (fp.lt |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_2| ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))))) (fp.lt |c_SIN_#in~x| ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))) is different from false [2021-11-12 22:37:12,282 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 6 not checked. [2021-11-12 22:37:12,282 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:37:19,883 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-12 22:37:19,884 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:37:19,884 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1182332405] [2021-11-12 22:37:19,885 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1182332405] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-12 22:37:19,885 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-12 22:37:19,885 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [15] total 22 [2021-11-12 22:37:19,885 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676020493] [2021-11-12 22:37:19,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 22:37:19,887 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-12 22:37:19,887 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:37:19,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-12 22:37:19,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=172, Unknown=10, NotChecked=224, Total=462 [2021-11-12 22:37:19,890 INFO L87 Difference]: Start difference. First operand 40 states and 47 transitions. Second operand has 11 states, 10 states have (on average 2.6) internal successors, (26), 10 states have internal predecessors, (26), 6 states have call successors, (6), 1 states have call predecessors, (6), 5 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2021-11-12 22:37:22,324 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-12 22:37:23,456 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-12 22:37:26,117 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.49s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-12 22:37:28,122 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-12 22:37:30,130 WARN L515 Checker$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 [] [2021-11-12 22:37:32,574 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 22:37:34,577 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 22:37:36,584 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 22:37:39,285 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.45s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-12 22:37:42,439 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-12 22:37:42,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:37:42,443 INFO L93 Difference]: Finished difference Result 96 states and 116 transitions. [2021-11-12 22:37:42,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-12 22:37:42,490 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.6) internal successors, (26), 10 states have internal predecessors, (26), 6 states have call successors, (6), 1 states have call predecessors, (6), 5 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 52 [2021-11-12 22:37:42,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:37:42,493 INFO L225 Difference]: With dead ends: 96 [2021-11-12 22:37:42,493 INFO L226 Difference]: Without dead ends: 58 [2021-11-12 22:37:42,495 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 75 SyntacticMatches, 7 SemanticMatches, 20 ConstructedPredicates, 7 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 35.2s TimeCoverageRelationStatistics Valid=56, Invalid=172, Unknown=10, NotChecked=224, Total=462 [2021-11-12 22:37:42,496 INFO L933 BasicCegarLoop]: 44 mSDtfsCounter, 19 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 1 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22002.56ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.90ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 43 IncrementalHoareTripleChecker+Unchecked, 22518.29ms IncrementalHoareTripleChecker+Time [2021-11-12 22:37:42,497 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [23 Valid, 174 Invalid, 118 Unknown, 0 Unchecked, 4.90ms Time], IncrementalHoareTripleChecker [1 Valid, 65 Invalid, 9 Unknown, 43 Unchecked, 22518.29ms Time] [2021-11-12 22:37:42,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2021-11-12 22:37:42,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 49. [2021-11-12 22:37:42,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 32 states have (on average 1.125) internal successors, (36), 33 states have internal predecessors, (36), 9 states have call successors, (9), 4 states have call predecessors, (9), 7 states have return successors, (15), 11 states have call predecessors, (15), 9 states have call successors, (15) [2021-11-12 22:37:42,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 60 transitions. [2021-11-12 22:37:42,514 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 60 transitions. Word has length 52 [2021-11-12 22:37:42,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:37:42,514 INFO L470 AbstractCegarLoop]: Abstraction has 49 states and 60 transitions. [2021-11-12 22:37:42,515 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.6) internal successors, (26), 10 states have internal predecessors, (26), 6 states have call successors, (6), 1 states have call predecessors, (6), 5 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2021-11-12 22:37:42,515 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 60 transitions. [2021-11-12 22:37:42,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-12 22:37:42,517 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:37:42,518 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:37:42,600 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c0afa5-0e1b-4ae7-8cfd-0bf21190a376/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-12 22:37:42,731 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c0afa5-0e1b-4ae7-8cfd-0bf21190a376/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:37:42,732 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 22:37:42,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:37:42,733 INFO L85 PathProgramCache]: Analyzing trace with hash 1150318329, now seen corresponding path program 1 times [2021-11-12 22:37:42,735 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:37:42,736 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [179910612] [2021-11-12 22:37:42,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:37:42,736 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:37:42,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c0afa5-0e1b-4ae7-8cfd-0bf21190a376/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:37:42,737 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c0afa5-0e1b-4ae7-8cfd-0bf21190a376/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:37:42,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c0afa5-0e1b-4ae7-8cfd-0bf21190a376/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-12 22:37:46,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:37:46,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 1196 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-12 22:37:46,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:37:48,279 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 22:37:48,279 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:38:05,502 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~aa~0#1_11| (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode 2.0))) (or (not (fp.gt |v_ULTIMATE.start_main_~aa~0#1_11| ((_ to_fp 11 53) c_currentRoundingMode (_ bv180 32)))) (not (fp.leq |v_ULTIMATE.start_main_~aa~0#1_11| (fp.div c_currentRoundingMode (fp.add c_currentRoundingMode |c_ULTIMATE.start_main_~a~0#1| ((_ to_fp 11 53) c_currentRoundingMode 1.0)) .cse0))) (not (fp.geq |v_ULTIMATE.start_main_~aa~0#1_11| (fp.div c_currentRoundingMode |c_ULTIMATE.start_main_~a~0#1| .cse0)))))) is different from true [2021-11-12 22:38:05,525 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-12 22:38:05,525 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:38:05,525 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [179910612] [2021-11-12 22:38:05,525 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [179910612] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-12 22:38:05,526 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-12 22:38:05,526 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 17 [2021-11-12 22:38:05,526 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705893523] [2021-11-12 22:38:05,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 22:38:05,527 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-12 22:38:05,527 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:38:05,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-12 22:38:05,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=193, Unknown=1, NotChecked=28, Total=272 [2021-11-12 22:38:05,528 INFO L87 Difference]: Start difference. First operand 49 states and 60 transitions. Second operand has 10 states, 10 states have (on average 3.6) internal successors, (36), 9 states have internal predecessors, (36), 5 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (8), 4 states have call predecessors, (8), 5 states have call successors, (8) [2021-11-12 22:38:07,989 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-12 22:38:09,648 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-12 22:38:17,724 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.44s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-12 22:38:19,732 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-12 22:38:21,736 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-12 22:38:23,748 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-12 22:38:25,357 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-12 22:38:28,062 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 22:38:30,706 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.44s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-12 22:38:34,488 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-12 22:38:35,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:38:35,172 INFO L93 Difference]: Finished difference Result 149 states and 185 transitions. [2021-11-12 22:38:35,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-12 22:38:35,180 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.6) internal successors, (36), 9 states have internal predecessors, (36), 5 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (8), 4 states have call predecessors, (8), 5 states have call successors, (8) Word has length 52 [2021-11-12 22:38:35,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:38:35,183 INFO L225 Difference]: With dead ends: 149 [2021-11-12 22:38:35,183 INFO L226 Difference]: Without dead ends: 99 [2021-11-12 22:38:35,185 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 85 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 8.9s TimeCoverageRelationStatistics Valid=87, Invalid=336, Unknown=1, NotChecked=38, Total=462 [2021-11-12 22:38:35,186 INFO L933 BasicCegarLoop]: 40 mSDtfsCounter, 43 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 12 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23466.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.41ms SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24189.03ms IncrementalHoareTripleChecker+Time [2021-11-12 22:38:35,187 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [48 Valid, 261 Invalid, 228 Unknown, 0 Unchecked, 6.41ms Time], IncrementalHoareTripleChecker [12 Valid, 209 Invalid, 7 Unknown, 0 Unchecked, 24189.03ms Time] [2021-11-12 22:38:35,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2021-11-12 22:38:35,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 92. [2021-11-12 22:38:35,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 58 states have (on average 1.1206896551724137) internal successors, (65), 62 states have internal predecessors, (65), 18 states have call successors, (18), 8 states have call predecessors, (18), 15 states have return successors, (31), 21 states have call predecessors, (31), 18 states have call successors, (31) [2021-11-12 22:38:35,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 114 transitions. [2021-11-12 22:38:35,214 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 114 transitions. Word has length 52 [2021-11-12 22:38:35,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:38:35,214 INFO L470 AbstractCegarLoop]: Abstraction has 92 states and 114 transitions. [2021-11-12 22:38:35,215 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.6) internal successors, (36), 9 states have internal predecessors, (36), 5 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (8), 4 states have call predecessors, (8), 5 states have call successors, (8) [2021-11-12 22:38:35,215 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 114 transitions. [2021-11-12 22:38:35,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-12 22:38:35,217 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:38:35,218 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:38:35,313 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c0afa5-0e1b-4ae7-8cfd-0bf21190a376/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-11-12 22:38:35,427 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c0afa5-0e1b-4ae7-8cfd-0bf21190a376/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:38:35,428 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 22:38:35,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:38:35,429 INFO L85 PathProgramCache]: Analyzing trace with hash 1929302137, now seen corresponding path program 1 times [2021-11-12 22:38:35,431 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:38:35,431 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [11725520] [2021-11-12 22:38:35,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:38:35,432 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:38:35,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c0afa5-0e1b-4ae7-8cfd-0bf21190a376/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:38:35,433 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c0afa5-0e1b-4ae7-8cfd-0bf21190a376/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:38:35,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c0afa5-0e1b-4ae7-8cfd-0bf21190a376/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-12 22:38:39,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:38:39,503 INFO L263 TraceCheckSpWp]: Trace formula consists of 1196 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-12 22:38:39,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:38:56,150 WARN L838 $PredicateComparison]: unable to prove that (or (and (exists ((|ULTIMATE.start_main_~a~0#1| (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode 2.0))) (and (fp.leq |c_ULTIMATE.start_main_~aa~0#1| (fp.div c_currentRoundingMode (fp.add c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| ((_ to_fp 11 53) c_currentRoundingMode 1.0)) .cse0)) (fp.geq |c_ULTIMATE.start_main_~aa~0#1| (fp.div c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| .cse0))))) (= |c_ULTIMATE.start_assume_abort_if_not_~cond#1| (_ bv1 32))) (and (= |c_ULTIMATE.start_assume_abort_if_not_~cond#1| (_ bv0 32)) (or (exists ((|ULTIMATE.start_main_~a~0#1| (_ FloatingPoint 11 53))) (not (fp.leq |c_ULTIMATE.start_main_~aa~0#1| (fp.div c_currentRoundingMode (fp.add c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| ((_ to_fp 11 53) c_currentRoundingMode 1.0)) ((_ to_fp 11 53) c_currentRoundingMode 2.0))))) (exists ((|ULTIMATE.start_main_~a~0#1| (_ FloatingPoint 11 53))) (not (fp.geq |c_ULTIMATE.start_main_~aa~0#1| (fp.div c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| ((_ to_fp 11 53) c_currentRoundingMode 2.0)))))))) is different from false [2021-11-12 22:39:05,739 WARN L838 $PredicateComparison]: unable to prove that (exists ((|ULTIMATE.start_main_~a~0#1| (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode 2.0))) (and (fp.leq |c_ULTIMATE.start_main_~aa~0#1| (fp.div c_currentRoundingMode (fp.add c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| ((_ to_fp 11 53) c_currentRoundingMode 1.0)) .cse0)) (fp.geq |c_ULTIMATE.start_main_~aa~0#1| (fp.div c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| .cse0))))) is different from false [2021-11-12 22:39:07,776 WARN L860 $PredicateComparison]: unable to prove that (exists ((|ULTIMATE.start_main_~a~0#1| (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode 2.0))) (and (fp.leq |c_ULTIMATE.start_main_~aa~0#1| (fp.div c_currentRoundingMode (fp.add c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| ((_ to_fp 11 53) c_currentRoundingMode 1.0)) .cse0)) (fp.geq |c_ULTIMATE.start_main_~aa~0#1| (fp.div c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| .cse0))))) is different from true [2021-11-12 22:39:25,755 WARN L838 $PredicateComparison]: unable to prove that (exists ((|ULTIMATE.start_main_~a~0#1| (_ FloatingPoint 11 53)) (|v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_7| (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode 2.0))) (and (fp.geq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_7| (fp.div c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| .cse0)) (fp.leq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_7| (fp.div c_currentRoundingMode (fp.add c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| ((_ to_fp 11 53) c_currentRoundingMode 1.0)) .cse0))))) is different from false [2021-11-12 22:39:27,797 WARN L860 $PredicateComparison]: unable to prove that (exists ((|ULTIMATE.start_main_~a~0#1| (_ FloatingPoint 11 53)) (|v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_7| (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode 2.0))) (and (fp.geq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_7| (fp.div c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| .cse0)) (fp.leq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_7| (fp.div c_currentRoundingMode (fp.add c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| ((_ to_fp 11 53) c_currentRoundingMode 1.0)) .cse0))))) is different from true [2021-11-12 22:39:37,145 WARN L838 $PredicateComparison]: unable to prove that (and (= c_SIN_~x |c_SIN_#in~x|) (exists ((|ULTIMATE.start_main_~a~0#1| (_ FloatingPoint 11 53)) (|v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_7| (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode 2.0))) (and (fp.geq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_7| (fp.div c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| .cse0)) (fp.leq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_7| (fp.div c_currentRoundingMode (fp.add c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| ((_ to_fp 11 53) c_currentRoundingMode 1.0)) .cse0)))))) is different from false [2021-11-12 22:39:47,512 WARN L838 $PredicateComparison]: unable to prove that (and (fp.lt c_SIN_~x ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))) (= c_SIN_~x |c_SIN_#in~x|) (exists ((|ULTIMATE.start_main_~a~0#1| (_ FloatingPoint 11 53)) (|v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_7| (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode 2.0))) (and (fp.geq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_7| (fp.div c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| .cse0)) (fp.leq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_7| (fp.div c_currentRoundingMode (fp.add c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| ((_ to_fp 11 53) c_currentRoundingMode 1.0)) .cse0)))))) is different from false [2021-11-12 22:39:57,869 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((|ULTIMATE.start_main_~a~0#1| (_ FloatingPoint 11 53)) (|v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_7| (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode 2.0))) (and (fp.geq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_7| (fp.div c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| .cse0)) (fp.leq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_7| (fp.div c_currentRoundingMode (fp.add c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| ((_ to_fp 11 53) c_currentRoundingMode 1.0)) .cse0))))) (exists ((|v_SIN_#in~x_BEFORE_CALL_7| (_ FloatingPoint 11 53))) (fp.lt |v_SIN_#in~x_BEFORE_CALL_7| ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))))) is different from false [2021-11-12 22:39:59,906 WARN L860 $PredicateComparison]: unable to prove that (and (exists ((|ULTIMATE.start_main_~a~0#1| (_ FloatingPoint 11 53)) (|v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_7| (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode 2.0))) (and (fp.geq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_7| (fp.div c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| .cse0)) (fp.leq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_7| (fp.div c_currentRoundingMode (fp.add c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| ((_ to_fp 11 53) c_currentRoundingMode 1.0)) .cse0))))) (exists ((|v_SIN_#in~x_BEFORE_CALL_7| (_ FloatingPoint 11 53))) (fp.lt |v_SIN_#in~x_BEFORE_CALL_7| ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))))) is different from true [2021-11-12 22:40:10,287 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((|ULTIMATE.start_main_~a~0#1| (_ FloatingPoint 11 53)) (|v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_7| (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode 2.0))) (and (fp.geq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_7| (fp.div c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| .cse0)) (fp.leq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_7| (fp.div c_currentRoundingMode (fp.add c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| ((_ to_fp 11 53) c_currentRoundingMode 1.0)) .cse0))))) (= |c_SIN_POS_#in~x| c_SIN_POS_~x) (exists ((|v_SIN_#in~x_BEFORE_CALL_7| (_ FloatingPoint 11 53))) (fp.lt |v_SIN_#in~x_BEFORE_CALL_7| ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))))) is different from false [2021-11-12 22:40:20,658 WARN L838 $PredicateComparison]: unable to prove that (and (fp.gt |c_SIN_POS_#in~x| ((_ to_fp 11 53) c_currentRoundingMode (_ bv180 32))) (exists ((|ULTIMATE.start_main_~a~0#1| (_ FloatingPoint 11 53)) (|v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_7| (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode 2.0))) (and (fp.geq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_7| (fp.div c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| .cse0)) (fp.leq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_7| (fp.div c_currentRoundingMode (fp.add c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| ((_ to_fp 11 53) c_currentRoundingMode 1.0)) .cse0))))) (exists ((|v_SIN_#in~x_BEFORE_CALL_7| (_ FloatingPoint 11 53))) (fp.lt |v_SIN_#in~x_BEFORE_CALL_7| ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))))) is different from false [2021-11-12 22:40:31,025 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((|ULTIMATE.start_main_~a~0#1| (_ FloatingPoint 11 53)) (|v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_7| (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode 2.0))) (and (fp.geq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_7| (fp.div c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| .cse0)) (fp.leq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_7| (fp.div c_currentRoundingMode (fp.add c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| ((_ to_fp 11 53) c_currentRoundingMode 1.0)) .cse0))))) (exists ((|v_SIN_#in~x_BEFORE_CALL_7| (_ FloatingPoint 11 53))) (fp.lt |v_SIN_#in~x_BEFORE_CALL_7| ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))) (exists ((|v_SIN_POS_#in~x_BEFORE_CALL_7| (_ FloatingPoint 11 53))) (fp.gt |v_SIN_POS_#in~x_BEFORE_CALL_7| ((_ to_fp 11 53) c_currentRoundingMode (_ bv180 32))))) is different from false [2021-11-12 22:40:33,065 WARN L860 $PredicateComparison]: unable to prove that (and (exists ((|ULTIMATE.start_main_~a~0#1| (_ FloatingPoint 11 53)) (|v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_7| (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode 2.0))) (and (fp.geq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_7| (fp.div c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| .cse0)) (fp.leq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_7| (fp.div c_currentRoundingMode (fp.add c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| ((_ to_fp 11 53) c_currentRoundingMode 1.0)) .cse0))))) (exists ((|v_SIN_#in~x_BEFORE_CALL_7| (_ FloatingPoint 11 53))) (fp.lt |v_SIN_#in~x_BEFORE_CALL_7| ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))) (exists ((|v_SIN_POS_#in~x_BEFORE_CALL_7| (_ FloatingPoint 11 53))) (fp.gt |v_SIN_POS_#in~x_BEFORE_CALL_7| ((_ to_fp 11 53) c_currentRoundingMode (_ bv180 32))))) is different from true [2021-11-12 22:41:48,507 WARN L838 $PredicateComparison]: unable to prove that (and (fp.gt |c_SIN_POS_#in~x| ((_ to_fp 11 53) c_currentRoundingMode (_ bv180 32))) (exists ((|ULTIMATE.start_main_~a~0#1| (_ FloatingPoint 11 53)) (|v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_7| (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode 2.0))) (and (fp.geq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_7| (fp.div c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| .cse0)) (fp.leq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_7| (fp.div c_currentRoundingMode (fp.add c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| ((_ to_fp 11 53) c_currentRoundingMode 1.0)) .cse0))))) (exists ((|v_SIN_#in~x_BEFORE_CALL_7| (_ FloatingPoint 11 53))) (fp.lt |v_SIN_#in~x_BEFORE_CALL_7| ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))) (exists ((|v_SIN_POS_#in~x_BEFORE_CALL_7| (_ FloatingPoint 11 53))) (fp.gt |v_SIN_POS_#in~x_BEFORE_CALL_7| ((_ to_fp 11 53) c_currentRoundingMode (_ bv180 32))))) is different from false [2021-11-12 22:42:15,560 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((|ULTIMATE.start_main_~a~0#1| (_ FloatingPoint 11 53)) (|v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_7| (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode 2.0))) (and (fp.geq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_7| (fp.div c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| .cse0)) (fp.leq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_7| (fp.div c_currentRoundingMode (fp.add c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| ((_ to_fp 11 53) c_currentRoundingMode 1.0)) .cse0))))) (exists ((|v_SIN_#in~x_BEFORE_CALL_7| (_ FloatingPoint 11 53))) (fp.lt |v_SIN_#in~x_BEFORE_CALL_7| ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))) (fp.gt (fp.neg |c_SIN_#in~x|) ((_ to_fp 11 53) c_currentRoundingMode (_ bv180 32))) (exists ((|v_SIN_POS_#in~x_BEFORE_CALL_7| (_ FloatingPoint 11 53))) (fp.gt |v_SIN_POS_#in~x_BEFORE_CALL_7| ((_ to_fp 11 53) c_currentRoundingMode (_ bv180 32))))) is different from false [2021-11-12 22:42:51,036 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_main_~a~0#1_10| (_ FloatingPoint 11 53)) (|v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_7| (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode 2.0))) (and (fp.leq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_7| (fp.div c_currentRoundingMode (fp.add c_currentRoundingMode |v_ULTIMATE.start_main_~a~0#1_10| ((_ to_fp 11 53) c_currentRoundingMode 1.0)) .cse0)) (fp.geq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_7| (fp.div c_currentRoundingMode |v_ULTIMATE.start_main_~a~0#1_10| .cse0))))) (exists ((|ULTIMATE.start_main_~a~0#1| (_ FloatingPoint 11 53))) (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode 2.0))) (and (fp.leq |c_ULTIMATE.start_main_~aa~0#1| (fp.div c_currentRoundingMode (fp.add c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| ((_ to_fp 11 53) c_currentRoundingMode 1.0)) .cse1)) (fp.geq |c_ULTIMATE.start_main_~aa~0#1| (fp.div c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| .cse1))))) (exists ((|v_SIN_#in~x_BEFORE_CALL_7| (_ FloatingPoint 11 53))) (fp.lt |v_SIN_#in~x_BEFORE_CALL_7| ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))) (exists ((|v_SIN_POS_#in~x_BEFORE_CALL_7| (_ FloatingPoint 11 53))) (fp.gt |v_SIN_POS_#in~x_BEFORE_CALL_7| ((_ to_fp 11 53) c_currentRoundingMode (_ bv180 32)))) (fp.gt (fp.neg |c_ULTIMATE.start_main_~aa~0#1|) ((_ to_fp 11 53) c_currentRoundingMode (_ bv180 32)))) is different from false [2021-11-12 22:43:20,469 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_main_~a~0#1_10| (_ FloatingPoint 11 53)) (|v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_7| (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode 2.0))) (and (fp.leq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_7| (fp.div c_currentRoundingMode (fp.add c_currentRoundingMode |v_ULTIMATE.start_main_~a~0#1_10| ((_ to_fp 11 53) c_currentRoundingMode 1.0)) .cse0)) (fp.geq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_7| (fp.div c_currentRoundingMode |v_ULTIMATE.start_main_~a~0#1_10| .cse0))))) (exists ((|ULTIMATE.start_main_~a~0#1| (_ FloatingPoint 11 53)) (|v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_8| (_ FloatingPoint 11 53))) (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode 2.0))) (and (fp.leq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_8| (fp.div c_currentRoundingMode (fp.add c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| ((_ to_fp 11 53) c_currentRoundingMode 1.0)) .cse1)) (fp.gt (fp.neg |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_8|) ((_ to_fp 11 53) c_currentRoundingMode (_ bv180 32))) (fp.geq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_8| (fp.div c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| .cse1))))) (exists ((|v_SIN_#in~x_BEFORE_CALL_7| (_ FloatingPoint 11 53))) (fp.lt |v_SIN_#in~x_BEFORE_CALL_7| ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))) (exists ((|v_SIN_POS_#in~x_BEFORE_CALL_7| (_ FloatingPoint 11 53))) (fp.gt |v_SIN_POS_#in~x_BEFORE_CALL_7| ((_ to_fp 11 53) c_currentRoundingMode (_ bv180 32))))) is different from false [2021-11-12 22:43:22,508 WARN L860 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_main_~a~0#1_10| (_ FloatingPoint 11 53)) (|v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_7| (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode 2.0))) (and (fp.leq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_7| (fp.div c_currentRoundingMode (fp.add c_currentRoundingMode |v_ULTIMATE.start_main_~a~0#1_10| ((_ to_fp 11 53) c_currentRoundingMode 1.0)) .cse0)) (fp.geq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_7| (fp.div c_currentRoundingMode |v_ULTIMATE.start_main_~a~0#1_10| .cse0))))) (exists ((|ULTIMATE.start_main_~a~0#1| (_ FloatingPoint 11 53)) (|v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_8| (_ FloatingPoint 11 53))) (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode 2.0))) (and (fp.leq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_8| (fp.div c_currentRoundingMode (fp.add c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| ((_ to_fp 11 53) c_currentRoundingMode 1.0)) .cse1)) (fp.gt (fp.neg |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_8|) ((_ to_fp 11 53) c_currentRoundingMode (_ bv180 32))) (fp.geq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_8| (fp.div c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| .cse1))))) (exists ((|v_SIN_#in~x_BEFORE_CALL_7| (_ FloatingPoint 11 53))) (fp.lt |v_SIN_#in~x_BEFORE_CALL_7| ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))) (exists ((|v_SIN_POS_#in~x_BEFORE_CALL_7| (_ FloatingPoint 11 53))) (fp.gt |v_SIN_POS_#in~x_BEFORE_CALL_7| ((_ to_fp 11 53) c_currentRoundingMode (_ bv180 32))))) is different from true [2021-11-12 22:43:52,735 WARN L838 $PredicateComparison]: unable to prove that (and (= c_SIN_~x |c_SIN_#in~x|) (exists ((|v_ULTIMATE.start_main_~a~0#1_10| (_ FloatingPoint 11 53)) (|v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_7| (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode 2.0))) (and (fp.leq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_7| (fp.div c_currentRoundingMode (fp.add c_currentRoundingMode |v_ULTIMATE.start_main_~a~0#1_10| ((_ to_fp 11 53) c_currentRoundingMode 1.0)) .cse0)) (fp.geq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_7| (fp.div c_currentRoundingMode |v_ULTIMATE.start_main_~a~0#1_10| .cse0))))) (exists ((|ULTIMATE.start_main_~a~0#1| (_ FloatingPoint 11 53)) (|v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_8| (_ FloatingPoint 11 53))) (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode 2.0))) (and (fp.leq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_8| (fp.div c_currentRoundingMode (fp.add c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| ((_ to_fp 11 53) c_currentRoundingMode 1.0)) .cse1)) (fp.gt (fp.neg |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_8|) ((_ to_fp 11 53) c_currentRoundingMode (_ bv180 32))) (fp.geq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_8| (fp.div c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| .cse1))))) (exists ((|v_SIN_#in~x_BEFORE_CALL_7| (_ FloatingPoint 11 53))) (fp.lt |v_SIN_#in~x_BEFORE_CALL_7| ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))) (exists ((|v_SIN_POS_#in~x_BEFORE_CALL_7| (_ FloatingPoint 11 53))) (fp.gt |v_SIN_POS_#in~x_BEFORE_CALL_7| ((_ to_fp 11 53) c_currentRoundingMode (_ bv180 32))))) is different from false [2021-11-12 22:45:19,557 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_main_~a~0#1_10| (_ FloatingPoint 11 53)) (|v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_7| (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode 2.0))) (and (fp.leq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_7| (fp.div c_currentRoundingMode (fp.add c_currentRoundingMode |v_ULTIMATE.start_main_~a~0#1_10| ((_ to_fp 11 53) c_currentRoundingMode 1.0)) .cse0)) (fp.geq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_7| (fp.div c_currentRoundingMode |v_ULTIMATE.start_main_~a~0#1_10| .cse0))))) (exists ((|ULTIMATE.start_main_~a~0#1| (_ FloatingPoint 11 53)) (|v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_8| (_ FloatingPoint 11 53))) (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode 2.0))) (and (fp.leq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_8| (fp.div c_currentRoundingMode (fp.add c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| ((_ to_fp 11 53) c_currentRoundingMode 1.0)) .cse1)) (fp.gt (fp.neg |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_8|) ((_ to_fp 11 53) c_currentRoundingMode (_ bv180 32))) (fp.geq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_8| (fp.div c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| .cse1))))) (= |c_SIN_POS_#in~x| c_SIN_POS_~x) (exists ((|v_SIN_#in~x_BEFORE_CALL_7| (_ FloatingPoint 11 53))) (fp.lt |v_SIN_#in~x_BEFORE_CALL_7| ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))) (exists ((|v_SIN_POS_#in~x_BEFORE_CALL_7| (_ FloatingPoint 11 53))) (fp.gt |v_SIN_POS_#in~x_BEFORE_CALL_7| ((_ to_fp 11 53) c_currentRoundingMode (_ bv180 32))))) is different from false [2021-11-12 22:46:11,917 WARN L227 SmtUtils]: Spent 23.64s on a formula simplification that was a NOOP. DAG size: 39 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-12 22:46:42,327 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_main_~a~0#1_10| (_ FloatingPoint 11 53)) (|v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_7| (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode 2.0))) (and (fp.leq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_7| (fp.div c_currentRoundingMode (fp.add c_currentRoundingMode |v_ULTIMATE.start_main_~a~0#1_10| ((_ to_fp 11 53) c_currentRoundingMode 1.0)) .cse0)) (fp.geq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_7| (fp.div c_currentRoundingMode |v_ULTIMATE.start_main_~a~0#1_10| .cse0))))) (exists ((|ULTIMATE.start_main_~a~0#1| (_ FloatingPoint 11 53)) (|v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_8| (_ FloatingPoint 11 53))) (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode 2.0))) (and (fp.leq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_8| (fp.div c_currentRoundingMode (fp.add c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| ((_ to_fp 11 53) c_currentRoundingMode 1.0)) .cse1)) (fp.gt (fp.neg |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_8|) ((_ to_fp 11 53) c_currentRoundingMode (_ bv180 32))) (fp.geq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_8| (fp.div c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| .cse1))))) (exists ((|v_SIN_POS_#in~x_BEFORE_CALL_8| (_ FloatingPoint 11 53))) (not (fp.gt |v_SIN_POS_#in~x_BEFORE_CALL_8| ((_ to_fp 11 53) c_currentRoundingMode (_ bv180 32))))) (exists ((|v_SIN_#in~x_BEFORE_CALL_7| (_ FloatingPoint 11 53))) (fp.lt |v_SIN_#in~x_BEFORE_CALL_7| ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))) (exists ((|v_SIN_POS_#in~x_BEFORE_CALL_7| (_ FloatingPoint 11 53))) (fp.gt |v_SIN_POS_#in~x_BEFORE_CALL_7| ((_ to_fp 11 53) c_currentRoundingMode (_ bv180 32))))) is different from false [2021-11-12 22:46:44,365 WARN L860 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_main_~a~0#1_10| (_ FloatingPoint 11 53)) (|v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_7| (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode 2.0))) (and (fp.leq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_7| (fp.div c_currentRoundingMode (fp.add c_currentRoundingMode |v_ULTIMATE.start_main_~a~0#1_10| ((_ to_fp 11 53) c_currentRoundingMode 1.0)) .cse0)) (fp.geq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_7| (fp.div c_currentRoundingMode |v_ULTIMATE.start_main_~a~0#1_10| .cse0))))) (exists ((|ULTIMATE.start_main_~a~0#1| (_ FloatingPoint 11 53)) (|v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_8| (_ FloatingPoint 11 53))) (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode 2.0))) (and (fp.leq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_8| (fp.div c_currentRoundingMode (fp.add c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| ((_ to_fp 11 53) c_currentRoundingMode 1.0)) .cse1)) (fp.gt (fp.neg |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_8|) ((_ to_fp 11 53) c_currentRoundingMode (_ bv180 32))) (fp.geq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_8| (fp.div c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| .cse1))))) (exists ((|v_SIN_POS_#in~x_BEFORE_CALL_8| (_ FloatingPoint 11 53))) (not (fp.gt |v_SIN_POS_#in~x_BEFORE_CALL_8| ((_ to_fp 11 53) c_currentRoundingMode (_ bv180 32))))) (exists ((|v_SIN_#in~x_BEFORE_CALL_7| (_ FloatingPoint 11 53))) (fp.lt |v_SIN_#in~x_BEFORE_CALL_7| ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))) (exists ((|v_SIN_POS_#in~x_BEFORE_CALL_7| (_ FloatingPoint 11 53))) (fp.gt |v_SIN_POS_#in~x_BEFORE_CALL_7| ((_ to_fp 11 53) c_currentRoundingMode (_ bv180 32))))) is different from true