./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0320.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb1ee31-0025-4307-9812-454ea6f99c15/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb1ee31-0025-4307-9812-454ea6f99c15/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb1ee31-0025-4307-9812-454ea6f99c15/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb1ee31-0025-4307-9812-454ea6f99c15/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0320.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb1ee31-0025-4307-9812-454ea6f99c15/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb1ee31-0025-4307-9812-454ea6f99c15/bin/utaipan-TEXQjIfE4P --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f1463618c6d56a82ea28796926e89927f2765ad9b9813a5531865e3b5e48209c --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 23:15:55,770 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 23:15:55,772 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 23:15:55,821 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 23:15:55,821 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 23:15:55,826 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 23:15:55,828 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 23:15:55,832 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 23:15:55,835 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 23:15:55,842 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 23:15:55,843 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 23:15:55,845 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 23:15:55,845 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 23:15:55,848 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 23:15:55,851 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 23:15:55,858 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 23:15:55,859 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 23:15:55,860 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 23:15:55,866 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 23:15:55,868 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 23:15:55,870 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 23:15:55,874 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 23:15:55,875 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 23:15:55,877 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 23:15:55,881 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 23:15:55,884 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 23:15:55,884 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 23:15:55,886 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 23:15:55,887 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 23:15:55,888 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 23:15:55,889 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 23:15:55,890 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 23:15:55,892 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 23:15:55,893 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 23:15:55,894 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 23:15:55,895 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 23:15:55,895 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 23:15:55,896 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 23:15:55,896 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 23:15:55,897 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 23:15:55,898 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 23:15:55,899 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb1ee31-0025-4307-9812-454ea6f99c15/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-20 23:15:55,949 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 23:15:55,949 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 23:15:55,950 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 23:15:55,950 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 23:15:55,951 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 23:15:55,957 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 23:15:55,958 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-20 23:15:55,958 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-20 23:15:55,958 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-20 23:15:55,958 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-20 23:15:55,959 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-20 23:15:55,960 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-20 23:15:55,960 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-20 23:15:55,960 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-20 23:15:55,960 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-20 23:15:55,961 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-20 23:15:55,961 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-20 23:15:55,961 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-20 23:15:55,962 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 23:15:55,962 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 23:15:55,962 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 23:15:55,963 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 23:15:55,963 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 23:15:55,963 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 23:15:55,963 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 23:15:55,964 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 23:15:55,965 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 23:15:55,965 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 23:15:55,966 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 23:15:55,966 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 23:15:55,966 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 23:15:55,967 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 23:15:55,967 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:15:55,967 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 23:15:55,967 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 23:15:55,968 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 23:15:55,968 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-20 23:15:55,968 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 23:15:55,968 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 23:15:55,969 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 23:15:55,969 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 23:15:55,969 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_5bb1ee31-0025-4307-9812-454ea6f99c15/bin/utaipan-TEXQjIfE4P/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb1ee31-0025-4307-9812-454ea6f99c15/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1463618c6d56a82ea28796926e89927f2765ad9b9813a5531865e3b5e48209c [2021-11-20 23:15:56,227 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 23:15:56,254 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 23:15:56,257 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 23:15:56,258 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 23:15:56,259 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 23:15:56,260 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb1ee31-0025-4307-9812-454ea6f99c15/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/float-newlib/double_req_bl_0320.c [2021-11-20 23:15:56,343 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb1ee31-0025-4307-9812-454ea6f99c15/bin/utaipan-TEXQjIfE4P/data/fdf5c6330/27c246700e6c461696efe899b26d009d/FLAG24f58951c [2021-11-20 23:15:56,870 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 23:15:56,871 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb1ee31-0025-4307-9812-454ea6f99c15/sv-benchmarks/c/float-newlib/double_req_bl_0320.c [2021-11-20 23:15:56,882 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb1ee31-0025-4307-9812-454ea6f99c15/bin/utaipan-TEXQjIfE4P/data/fdf5c6330/27c246700e6c461696efe899b26d009d/FLAG24f58951c [2021-11-20 23:15:57,212 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb1ee31-0025-4307-9812-454ea6f99c15/bin/utaipan-TEXQjIfE4P/data/fdf5c6330/27c246700e6c461696efe899b26d009d [2021-11-20 23:15:57,216 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 23:15:57,217 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 23:15:57,219 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 23:15:57,219 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 23:15:57,225 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 23:15:57,225 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:15:57" (1/1) ... [2021-11-20 23:15:57,227 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57340f1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:15:57, skipping insertion in model container [2021-11-20 23:15:57,229 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:15:57" (1/1) ... [2021-11-20 23:15:57,238 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 23:15:57,294 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 23:15:57,597 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb1ee31-0025-4307-9812-454ea6f99c15/sv-benchmarks/c/float-newlib/double_req_bl_0320.c[16343,16356] [2021-11-20 23:15:57,600 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:15:57,618 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 23:15:57,773 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb1ee31-0025-4307-9812-454ea6f99c15/sv-benchmarks/c/float-newlib/double_req_bl_0320.c[16343,16356] [2021-11-20 23:15:57,774 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:15:57,812 INFO L208 MainTranslator]: Completed translation [2021-11-20 23:15:57,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:15:57 WrapperNode [2021-11-20 23:15:57,813 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 23:15:57,814 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 23:15:57,814 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 23:15:57,814 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 23:15:57,822 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:15:57" (1/1) ... [2021-11-20 23:15:57,845 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:15:57" (1/1) ... [2021-11-20 23:15:57,902 INFO L137 Inliner]: procedures = 25, calls = 374, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 1031 [2021-11-20 23:15:57,903 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 23:15:57,904 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 23:15:57,904 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 23:15:57,904 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 23:15:57,925 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:15:57" (1/1) ... [2021-11-20 23:15:57,925 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:15:57" (1/1) ... [2021-11-20 23:15:57,937 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:15:57" (1/1) ... [2021-11-20 23:15:57,937 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:15:57" (1/1) ... [2021-11-20 23:15:58,017 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:15:57" (1/1) ... [2021-11-20 23:15:58,035 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:15:57" (1/1) ... [2021-11-20 23:15:58,042 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:15:57" (1/1) ... [2021-11-20 23:15:58,078 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 23:15:58,079 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 23:15:58,079 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 23:15:58,079 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 23:15:58,080 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:15:57" (1/1) ... [2021-11-20 23:15:58,087 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:15:58,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb1ee31-0025-4307-9812-454ea6f99c15/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:15:58,137 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb1ee31-0025-4307-9812-454ea6f99c15/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 23:15:58,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb1ee31-0025-4307-9812-454ea6f99c15/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 23:15:58,199 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 23:15:58,199 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_double [2021-11-20 23:15:58,199 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_double [2021-11-20 23:15:58,199 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_cos [2021-11-20 23:15:58,199 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_cos [2021-11-20 23:15:58,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 23:15:58,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-11-20 23:15:58,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 23:15:58,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-11-20 23:15:58,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 23:15:58,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-11-20 23:15:58,201 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_sin [2021-11-20 23:15:58,201 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_sin [2021-11-20 23:15:58,201 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_double [2021-11-20 23:15:58,201 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_double [2021-11-20 23:15:58,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 23:15:58,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 23:15:58,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 23:15:58,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 23:15:58,419 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 23:15:58,420 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 23:15:59,486 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 23:15:59,724 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 23:15:59,725 INFO L301 CfgBuilder]: Removed 63 assume(true) statements. [2021-11-20 23:15:59,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:15:59 BoogieIcfgContainer [2021-11-20 23:15:59,728 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 23:15:59,730 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 23:15:59,730 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 23:15:59,733 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 23:15:59,733 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:15:57" (1/3) ... [2021-11-20 23:15:59,734 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fa166be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:15:59, skipping insertion in model container [2021-11-20 23:15:59,734 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:15:57" (2/3) ... [2021-11-20 23:15:59,734 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fa166be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:15:59, skipping insertion in model container [2021-11-20 23:15:59,735 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:15:59" (3/3) ... [2021-11-20 23:15:59,736 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0320.c [2021-11-20 23:15:59,744 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 23:15:59,744 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 23:15:59,796 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 23:15:59,803 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-20 23:15:59,803 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 23:15:59,824 INFO L276 IsEmpty]: Start isEmpty. Operand has 176 states, 158 states have (on average 1.6898734177215189) internal successors, (267), 159 states have internal predecessors, (267), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2021-11-20 23:15:59,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-20 23:15:59,828 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:15:59,829 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:15:59,829 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:15:59,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:15:59,835 INFO L85 PathProgramCache]: Analyzing trace with hash -1670748998, now seen corresponding path program 1 times [2021-11-20 23:15:59,844 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:15:59,844 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989086943] [2021-11-20 23:15:59,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:15:59,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:15:59,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:16:00,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:16:00,061 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:16:00,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989086943] [2021-11-20 23:16:00,063 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1989086943] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:16:00,063 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:16:00,064 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 23:16:00,065 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709969629] [2021-11-20 23:16:00,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:16:00,069 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-20 23:16:00,070 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:16:00,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-20 23:16:00,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 23:16:00,109 INFO L87 Difference]: Start difference. First operand has 176 states, 158 states have (on average 1.6898734177215189) internal successors, (267), 159 states have internal predecessors, (267), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:16:00,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:16:00,335 INFO L93 Difference]: Finished difference Result 350 states and 591 transitions. [2021-11-20 23:16:00,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 23:16:00,338 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-11-20 23:16:00,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:16:00,358 INFO L225 Difference]: With dead ends: 350 [2021-11-20 23:16:00,358 INFO L226 Difference]: Without dead ends: 173 [2021-11-20 23:16:00,370 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 23:16:00,376 INFO L933 BasicCegarLoop]: 193 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 23:16:00,377 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 193 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 23:16:00,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2021-11-20 23:16:00,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 173. [2021-11-20 23:16:00,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 156 states have (on average 1.391025641025641) internal successors, (217), 156 states have internal predecessors, (217), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2021-11-20 23:16:00,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 241 transitions. [2021-11-20 23:16:00,464 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 241 transitions. Word has length 9 [2021-11-20 23:16:00,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:16:00,465 INFO L470 AbstractCegarLoop]: Abstraction has 173 states and 241 transitions. [2021-11-20 23:16:00,465 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:16:00,465 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 241 transitions. [2021-11-20 23:16:00,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-20 23:16:00,467 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:16:00,468 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:16:00,468 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 23:16:00,469 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:16:00,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:16:00,472 INFO L85 PathProgramCache]: Analyzing trace with hash 62862055, now seen corresponding path program 1 times [2021-11-20 23:16:00,472 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:16:00,472 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809864279] [2021-11-20 23:16:00,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:16:00,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:16:00,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 23:16:00,634 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 23:16:00,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 23:16:00,797 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-20 23:16:00,797 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-20 23:16:00,799 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-20 23:16:00,801 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 23:16:00,804 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-11-20 23:16:00,807 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-20 23:16:00,889 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 11:16:00 BoogieIcfgContainer [2021-11-20 23:16:00,889 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-20 23:16:00,890 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 23:16:00,890 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 23:16:00,891 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 23:16:00,894 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:15:59" (3/4) ... [2021-11-20 23:16:00,897 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-20 23:16:00,897 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 23:16:00,898 INFO L158 Benchmark]: Toolchain (without parser) took 3680.40ms. Allocated memory was 98.6MB in the beginning and 165.7MB in the end (delta: 67.1MB). Free memory was 62.0MB in the beginning and 103.5MB in the end (delta: -41.5MB). Peak memory consumption was 25.9MB. Max. memory is 16.1GB. [2021-11-20 23:16:00,900 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 98.6MB. Free memory was 53.2MB in the beginning and 53.1MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 23:16:00,905 INFO L158 Benchmark]: CACSL2BoogieTranslator took 594.76ms. Allocated memory is still 98.6MB. Free memory was 61.8MB in the beginning and 56.7MB in the end (delta: 5.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-20 23:16:00,906 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.82ms. Allocated memory is still 98.6MB. Free memory was 56.7MB in the beginning and 50.7MB in the end (delta: 6.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-20 23:16:00,907 INFO L158 Benchmark]: Boogie Preprocessor took 174.62ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 50.7MB in the beginning and 93.0MB in the end (delta: -42.3MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. [2021-11-20 23:16:00,907 INFO L158 Benchmark]: RCFGBuilder took 1648.76ms. Allocated memory is still 119.5MB. Free memory was 93.0MB in the beginning and 72.9MB in the end (delta: 20.1MB). Peak memory consumption was 43.8MB. Max. memory is 16.1GB. [2021-11-20 23:16:00,912 INFO L158 Benchmark]: TraceAbstraction took 1159.55ms. Allocated memory was 119.5MB in the beginning and 165.7MB in the end (delta: 46.1MB). Free memory was 72.2MB in the beginning and 104.6MB in the end (delta: -32.4MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. [2021-11-20 23:16:00,912 INFO L158 Benchmark]: Witness Printer took 7.19ms. Allocated memory is still 165.7MB. Free memory was 104.4MB in the beginning and 103.5MB in the end (delta: 972.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 23:16:00,915 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 98.6MB. Free memory was 53.2MB in the beginning and 53.1MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 594.76ms. Allocated memory is still 98.6MB. Free memory was 61.8MB in the beginning and 56.7MB in the end (delta: 5.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.82ms. Allocated memory is still 98.6MB. Free memory was 56.7MB in the beginning and 50.7MB in the end (delta: 6.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 174.62ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 50.7MB in the beginning and 93.0MB in the end (delta: -42.3MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1648.76ms. Allocated memory is still 119.5MB. Free memory was 93.0MB in the beginning and 72.9MB in the end (delta: 20.1MB). Peak memory consumption was 43.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1159.55ms. Allocated memory was 119.5MB in the beginning and 165.7MB in the end (delta: 46.1MB). Free memory was 72.2MB in the beginning and 104.6MB in the end (delta: -32.4MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. * Witness Printer took 7.19ms. Allocated memory is still 165.7MB. Free memory was 104.4MB in the beginning and 103.5MB in the end (delta: 972.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 648]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 530, overapproximation of bitwiseAnd at line 611, overapproximation of someBinaryArithmeticDOUBLEoperation at line 616, overapproximation of someBinaryDOUBLEComparisonOperation at line 647. Possible FailurePath: [L23] static const double huge_floor = 1.0e300; [L109-L111] static const double two54_scalbn = 1.80143985094819840000e+16, twom54_scalbn = 5.55111512312578270212e-17, huge_scalbn = 1.0e+300, tiny_scalbn = 1.0e-300; [L180] static const int init_jk_krempio[] = {2, 3, 4, 6}; [L182-L187] static const double PIo2_krempio[] = { 1.57079625129699707031e+00, 7.54978941586159635335e-08, 5.39030252995776476554e-15, 3.28200341580791294123e-22, 1.27065575308067607349e-29, 1.22933308981111328932e-36, 2.73370053816464559624e-44, 2.16741683877804819444e-51, }; [L189-L191] static const double zero_krempio = 0.0, one_krempio = 1.0, two24_krempio = 1.67772160000000000000e+07, twon24_krempio = 5.96046447753906250000e-08; [L364-L375] static const __int32_t two_over_pi_rempio[] = { 0xA2F983, 0x6E4E44, 0x1529FC, 0x2757D1, 0xF534DD, 0xC0DB62, 0x95993C, 0x439041, 0xFE5163, 0xABDEBB, 0xC561B7, 0x246E3A, 0x424DD2, 0xE00649, 0x2EEA09, 0xD1921C, 0xFE1DEB, 0x1CB129, 0xA73EE8, 0x8235F5, 0x2EBB44, 0x84E99C, 0x7026B4, 0x5F7E41, 0x3991D6, 0x398353, 0x39F49C, 0x845F8B, 0xBDF928, 0x3B1FF8, 0x97FFDE, 0x05980F, 0xEF2F11, 0x8B5A0A, 0x6D1F6D, 0x367ECF, 0x27CB09, 0xB74F46, 0x3F669E, 0x5FEA2D, 0x7527BA, 0xC7EBE5, 0xF17B3D, 0x0739F7, 0x8A5292, 0xEA6BFB, 0x5FB11F, 0x8D5D08, 0x560330, 0x46FC7B, 0x6BABF0, 0xCFBC20, 0x9AF436, 0x1DA9E3, 0x91615E, 0xE61B08, 0x659985, 0x5F14A0, 0x68408D, 0xFFD880, 0x4D7327, 0x310606, 0x1556CA, 0x73A8C9, 0x60E27B, 0xC08C6B, }; [L377-L384] static const __int32_t npio2_hw_rempio[] = { 0x3FF921FB, 0x400921FB, 0x4012D97C, 0x401921FB, 0x401F6A7A, 0x4022D97C, 0x4025FDBB, 0x402921FB, 0x402C463A, 0x402F6A7A, 0x4031475C, 0x4032D97C, 0x40346B9C, 0x4035FDBB, 0x40378FDB, 0x403921FB, 0x403AB41B, 0x403C463A, 0x403DD85A, 0x403F6A7A, 0x40407E4C, 0x4041475C, 0x4042106C, 0x4042D97C, 0x4043A28C, 0x40446B9C, 0x404534AC, 0x4045FDBB, 0x4046C6CB, 0x40478FDB, 0x404858EB, 0x404921FB, }; [L386-L395] static const double zero_rempio = 0.00000000000000000000e+00, half_rempio = 5.00000000000000000000e-01, two24_rempio = 1.67772160000000000000e+07, invpio2_rempio = 6.36619772367581382433e-01, pio2_1_rempio = 1.57079632673412561417e+00, pio2_1t_rempio = 6.07710050650619224932e-11, pio2_2_rempio = 6.07710050630396597660e-11, pio2_2t_rempio = 2.02226624879595063154e-21, pio2_3_rempio = 2.02226624871116645580e-21, pio2_3t_rempio = 8.47842766036889956997e-32; [L528-L534] static const double one_kcos = 1.00000000000000000000e+00, C1_kcos = 4.16666666666666019037e-02, C2_kcos = -1.38888888888741095749e-03, C3_kcos = 2.48015872894767294178e-05, C4_kcos = -2.75573143513906633035e-07, C5_kcos = 2.08757232129817482790e-09, C6_kcos = -1.13596475577881948265e-11; [L572-L578] static const double half_ksin = 5.00000000000000000000e-01, S1_ksin = -1.66666666666666324348e-01, S2_ksin = 8.33333333332248946124e-03, S3_ksin = -1.98412698298579493134e-04, S4_ksin = 2.75573137070700676789e-06, S5_ksin = -2.50507602534068634195e-08, S6_ksin = 1.58969099521155010221e-10; [L640] double x = __VERIFIER_nondet_double(); [L642] COND TRUE x == 0.0 || x == -0.0 [L644] CALL, EXPR cos_double(x) [L603] double y[2], z = 0.0; [L604] __int32_t n, ix; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, C1_kcos=416666666666666019037/10000000000000000000000, C3_kcos=124007936447383647089/5000000000000000000000000, C5_kcos=20875723212981748279/10000000000000000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, npio2_hw_rempio={7:0}, one_kcos=1, one_krempio=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={5:0}, S2_ksin=208333333333062236531/25000000000000000000000, S4_ksin=275573137070700676789/100000000000000000000000000, S6_ksin=158969099521155010221/1000000000000000000000000000000, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={6:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, y={10:0}, z=0, zero_krempio=0, zero_rempio=0] [L606] ieee_double_shape_type gh_u; [L607] gh_u.value = (x) [L608] EXPR gh_u.parts.msw [L608] (ix) = gh_u.parts.msw [L611] ix &= 0x7fffffff VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, C1_kcos=416666666666666019037/10000000000000000000000, C3_kcos=124007936447383647089/5000000000000000000000000, C5_kcos=20875723212981748279/10000000000000000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, npio2_hw_rempio={7:0}, one_kcos=1, one_krempio=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={5:0}, S2_ksin=208333333333062236531/25000000000000000000000, S4_ksin=275573137070700676789/100000000000000000000000000, S6_ksin=158969099521155010221/1000000000000000000000000000000, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={6:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, y={10:0}, z=0, zero_krempio=0, zero_rempio=0] [L612] COND FALSE !(ix <= 0x3fe921fb) VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, C1_kcos=416666666666666019037/10000000000000000000000, C3_kcos=124007936447383647089/5000000000000000000000000, C5_kcos=20875723212981748279/10000000000000000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, ix=2146435072, npio2_hw_rempio={7:0}, one_kcos=1, one_krempio=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={5:0}, S2_ksin=208333333333062236531/25000000000000000000000, S4_ksin=275573137070700676789/100000000000000000000000000, S6_ksin=158969099521155010221/1000000000000000000000000000000, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={6:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, y={10:0}, z=0, zero_krempio=0, zero_rempio=0] [L615] COND TRUE ix >= 0x7ff00000 [L616] return x - x; [L616] return x - x; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, C1_kcos=416666666666666019037/10000000000000000000000, C3_kcos=124007936447383647089/5000000000000000000000000, C5_kcos=20875723212981748279/10000000000000000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, ix=2146435072, npio2_hw_rempio={7:0}, one_kcos=1, one_krempio=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={5:0}, S2_ksin=208333333333062236531/25000000000000000000000, S4_ksin=275573137070700676789/100000000000000000000000000, S6_ksin=158969099521155010221/1000000000000000000000000000000, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={6:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, z=0, zero_krempio=0, zero_rempio=0] [L644] RET, EXPR cos_double(x) [L644] double res = cos_double(x); [L647] COND TRUE res != 1.0 VAL [C1_kcos=416666666666666019037/10000000000000000000000, C3_kcos=124007936447383647089/5000000000000000000000000, C5_kcos=20875723212981748279/10000000000000000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, npio2_hw_rempio={7:0}, one_kcos=1, one_krempio=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={5:0}, res=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, S2_ksin=208333333333062236531/25000000000000000000000, S4_ksin=275573137070700676789/100000000000000000000000000, S6_ksin=158969099521155010221/1000000000000000000000000000000, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={6:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, zero_krempio=0, zero_rempio=0] [L648] reach_error() VAL [C1_kcos=416666666666666019037/10000000000000000000000, C3_kcos=124007936447383647089/5000000000000000000000000, C5_kcos=20875723212981748279/10000000000000000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, npio2_hw_rempio={7:0}, one_kcos=1, one_krempio=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={5:0}, res=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, S2_ksin=208333333333062236531/25000000000000000000000, S4_ksin=275573137070700676789/100000000000000000000000000, S6_ksin=158969099521155010221/1000000000000000000000000000000, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={6:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, zero_krempio=0, zero_rempio=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 176 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 193 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 52 IncrementalHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 193 mSDtfsCounter, 52 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=176occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-20 23:16:00,965 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb1ee31-0025-4307-9812-454ea6f99c15/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb1ee31-0025-4307-9812-454ea6f99c15/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb1ee31-0025-4307-9812-454ea6f99c15/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb1ee31-0025-4307-9812-454ea6f99c15/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb1ee31-0025-4307-9812-454ea6f99c15/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0320.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb1ee31-0025-4307-9812-454ea6f99c15/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb1ee31-0025-4307-9812-454ea6f99c15/bin/utaipan-TEXQjIfE4P --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f1463618c6d56a82ea28796926e89927f2765ad9b9813a5531865e3b5e48209c --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 23:16:03,311 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 23:16:03,313 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 23:16:03,363 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 23:16:03,364 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 23:16:03,369 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 23:16:03,371 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 23:16:03,379 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 23:16:03,382 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 23:16:03,389 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 23:16:03,390 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 23:16:03,391 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 23:16:03,391 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 23:16:03,397 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 23:16:03,399 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 23:16:03,400 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 23:16:03,401 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 23:16:03,402 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 23:16:03,404 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 23:16:03,406 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 23:16:03,407 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 23:16:03,409 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 23:16:03,410 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 23:16:03,411 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 23:16:03,414 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 23:16:03,415 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 23:16:03,415 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 23:16:03,416 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 23:16:03,416 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 23:16:03,417 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 23:16:03,418 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 23:16:03,419 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 23:16:03,420 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 23:16:03,420 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 23:16:03,422 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 23:16:03,422 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 23:16:03,442 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 23:16:03,444 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 23:16:03,445 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 23:16:03,446 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 23:16:03,448 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 23:16:03,449 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb1ee31-0025-4307-9812-454ea6f99c15/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-20 23:16:03,491 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 23:16:03,491 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 23:16:03,492 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 23:16:03,492 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 23:16:03,494 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 23:16:03,494 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 23:16:03,494 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-20 23:16:03,495 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-20 23:16:03,495 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-20 23:16:03,495 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-20 23:16:03,496 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-20 23:16:03,496 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-20 23:16:03,498 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 23:16:03,498 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 23:16:03,498 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 23:16:03,499 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 23:16:03,499 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 23:16:03,499 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 23:16:03,499 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 23:16:03,499 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-20 23:16:03,500 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-20 23:16:03,500 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 23:16:03,500 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 23:16:03,500 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 23:16:03,501 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 23:16:03,501 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 23:16:03,501 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 23:16:03,501 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 23:16:03,502 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:16:03,502 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 23:16:03,502 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 23:16:03,502 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 23:16:03,503 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-20 23:16:03,503 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-20 23:16:03,503 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 23:16:03,503 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 23:16:03,504 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 23:16:03,504 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_5bb1ee31-0025-4307-9812-454ea6f99c15/bin/utaipan-TEXQjIfE4P/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb1ee31-0025-4307-9812-454ea6f99c15/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1463618c6d56a82ea28796926e89927f2765ad9b9813a5531865e3b5e48209c [2021-11-20 23:16:03,910 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 23:16:03,945 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 23:16:03,948 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 23:16:03,949 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 23:16:03,950 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 23:16:03,951 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb1ee31-0025-4307-9812-454ea6f99c15/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/float-newlib/double_req_bl_0320.c [2021-11-20 23:16:04,029 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb1ee31-0025-4307-9812-454ea6f99c15/bin/utaipan-TEXQjIfE4P/data/8de6e4de1/b3a5fdd3c2624d7f9ba04fb0c3b9f51d/FLAG196bf1277 [2021-11-20 23:16:04,615 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 23:16:04,616 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb1ee31-0025-4307-9812-454ea6f99c15/sv-benchmarks/c/float-newlib/double_req_bl_0320.c [2021-11-20 23:16:04,634 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb1ee31-0025-4307-9812-454ea6f99c15/bin/utaipan-TEXQjIfE4P/data/8de6e4de1/b3a5fdd3c2624d7f9ba04fb0c3b9f51d/FLAG196bf1277 [2021-11-20 23:16:04,928 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb1ee31-0025-4307-9812-454ea6f99c15/bin/utaipan-TEXQjIfE4P/data/8de6e4de1/b3a5fdd3c2624d7f9ba04fb0c3b9f51d [2021-11-20 23:16:04,930 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 23:16:04,933 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 23:16:04,934 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 23:16:04,951 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 23:16:04,955 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 23:16:04,956 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:16:04" (1/1) ... [2021-11-20 23:16:04,957 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e5a47f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:16:04, skipping insertion in model container [2021-11-20 23:16:04,957 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:16:04" (1/1) ... [2021-11-20 23:16:04,966 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 23:16:05,022 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 23:16:05,502 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb1ee31-0025-4307-9812-454ea6f99c15/sv-benchmarks/c/float-newlib/double_req_bl_0320.c[16343,16356] [2021-11-20 23:16:05,513 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:16:05,541 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 23:16:05,690 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb1ee31-0025-4307-9812-454ea6f99c15/sv-benchmarks/c/float-newlib/double_req_bl_0320.c[16343,16356] [2021-11-20 23:16:05,690 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:16:05,717 INFO L208 MainTranslator]: Completed translation [2021-11-20 23:16:05,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:16:05 WrapperNode [2021-11-20 23:16:05,718 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 23:16:05,719 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 23:16:05,720 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 23:16:05,720 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 23:16:05,726 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:16:05" (1/1) ... [2021-11-20 23:16:05,752 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:16:05" (1/1) ... [2021-11-20 23:16:05,810 INFO L137 Inliner]: procedures = 29, calls = 374, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 1030 [2021-11-20 23:16:05,811 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 23:16:05,812 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 23:16:05,812 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 23:16:05,812 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 23:16:05,820 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:16:05" (1/1) ... [2021-11-20 23:16:05,820 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:16:05" (1/1) ... [2021-11-20 23:16:05,832 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:16:05" (1/1) ... [2021-11-20 23:16:05,833 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:16:05" (1/1) ... [2021-11-20 23:16:05,894 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:16:05" (1/1) ... [2021-11-20 23:16:05,909 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:16:05" (1/1) ... [2021-11-20 23:16:05,914 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:16:05" (1/1) ... [2021-11-20 23:16:05,924 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 23:16:05,925 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 23:16:05,925 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 23:16:05,926 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 23:16:05,926 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:16:05" (1/1) ... [2021-11-20 23:16:05,933 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:16:05,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb1ee31-0025-4307-9812-454ea6f99c15/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:16:05,967 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb1ee31-0025-4307-9812-454ea6f99c15/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 23:16:06,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb1ee31-0025-4307-9812-454ea6f99c15/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 23:16:06,020 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 23:16:06,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-11-20 23:16:06,021 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_double [2021-11-20 23:16:06,022 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_double [2021-11-20 23:16:06,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-11-20 23:16:06,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-20 23:16:06,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-20 23:16:06,024 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_cos [2021-11-20 23:16:06,024 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_cos [2021-11-20 23:16:06,024 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 23:16:06,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2021-11-20 23:16:06,025 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-20 23:16:06,025 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_sin [2021-11-20 23:16:06,025 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_sin [2021-11-20 23:16:06,025 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_double [2021-11-20 23:16:06,025 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_double [2021-11-20 23:16:06,026 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 23:16:06,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 23:16:06,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-20 23:16:06,026 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 23:16:06,260 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 23:16:06,262 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 23:16:57,055 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 23:16:57,063 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 23:16:57,063 INFO L301 CfgBuilder]: Removed 63 assume(true) statements. [2021-11-20 23:16:57,066 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:16:57 BoogieIcfgContainer [2021-11-20 23:16:57,066 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 23:16:57,067 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 23:16:57,067 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 23:16:57,070 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 23:16:57,070 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:16:04" (1/3) ... [2021-11-20 23:16:57,071 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18da9c72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:16:57, skipping insertion in model container [2021-11-20 23:16:57,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:16:05" (2/3) ... [2021-11-20 23:16:57,072 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18da9c72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:16:57, skipping insertion in model container [2021-11-20 23:16:57,072 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:16:57" (3/3) ... [2021-11-20 23:16:57,073 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0320.c [2021-11-20 23:16:57,078 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 23:16:57,078 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 23:16:57,122 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 23:16:57,129 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-20 23:16:57,130 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 23:16:57,158 INFO L276 IsEmpty]: Start isEmpty. Operand has 258 states, 240 states have (on average 1.6708333333333334) internal successors, (401), 241 states have internal predecessors, (401), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2021-11-20 23:16:57,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-20 23:16:57,162 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:16:57,163 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:16:57,163 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:16:57,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:16:57,174 INFO L85 PathProgramCache]: Analyzing trace with hash -1985279589, now seen corresponding path program 1 times [2021-11-20 23:16:57,189 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 23:16:57,191 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [467197392] [2021-11-20 23:16:57,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:16:57,192 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 23:16:57,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb1ee31-0025-4307-9812-454ea6f99c15/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 23:16:57,194 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb1ee31-0025-4307-9812-454ea6f99c15/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 23:16:57,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb1ee31-0025-4307-9812-454ea6f99c15/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-20 23:16:57,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:16:57,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-20 23:16:57,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:16:57,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:16:57,896 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:16:57,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:16:57,990 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 23:16:57,991 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [467197392] [2021-11-20 23:16:57,991 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [467197392] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 23:16:57,991 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:16:57,992 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-20 23:16:57,993 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99338123] [2021-11-20 23:16:57,994 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 23:16:57,997 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-20 23:16:57,998 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 23:16:58,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-20 23:16:58,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 23:16:58,026 INFO L87 Difference]: Start difference. First operand has 258 states, 240 states have (on average 1.6708333333333334) internal successors, (401), 241 states have internal predecessors, (401), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:16:58,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:16:58,086 INFO L93 Difference]: Finished difference Result 513 states and 858 transitions. [2021-11-20 23:16:58,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 23:16:58,088 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-11-20 23:16:58,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:16:58,099 INFO L225 Difference]: With dead ends: 513 [2021-11-20 23:16:58,099 INFO L226 Difference]: Without dead ends: 254 [2021-11-20 23:16:58,105 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 23:16:58,109 INFO L933 BasicCegarLoop]: 361 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 23:16:58,110 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 361 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 23:16:58,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2021-11-20 23:16:58,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 254. [2021-11-20 23:16:58,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 254 states, 237 states have (on average 1.40084388185654) internal successors, (332), 237 states have internal predecessors, (332), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2021-11-20 23:16:58,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 356 transitions. [2021-11-20 23:16:58,168 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 356 transitions. Word has length 10 [2021-11-20 23:16:58,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:16:58,168 INFO L470 AbstractCegarLoop]: Abstraction has 254 states and 356 transitions. [2021-11-20 23:16:58,168 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:16:58,168 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 356 transitions. [2021-11-20 23:16:58,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-20 23:16:58,169 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:16:58,169 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:16:58,189 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb1ee31-0025-4307-9812-454ea6f99c15/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-20 23:16:58,385 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb1ee31-0025-4307-9812-454ea6f99c15/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 23:16:58,386 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:16:58,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:16:58,389 INFO L85 PathProgramCache]: Analyzing trace with hash -1097651674, now seen corresponding path program 1 times [2021-11-20 23:16:58,390 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 23:16:58,391 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [766738758] [2021-11-20 23:16:58,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:16:58,391 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 23:16:58,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb1ee31-0025-4307-9812-454ea6f99c15/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 23:16:58,392 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb1ee31-0025-4307-9812-454ea6f99c15/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 23:16:58,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb1ee31-0025-4307-9812-454ea6f99c15/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-20 23:16:58,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:16:58,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-20 23:16:58,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:16:59,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:16:59,477 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:16:59,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:16:59,994 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 23:16:59,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [766738758] [2021-11-20 23:16:59,994 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [766738758] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 23:16:59,995 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:16:59,995 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-20 23:16:59,995 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871645155] [2021-11-20 23:16:59,995 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 23:16:59,996 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-20 23:16:59,997 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 23:16:59,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-20 23:16:59,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-11-20 23:16:59,998 INFO L87 Difference]: Start difference. First operand 254 states and 356 transitions. Second operand has 8 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:17:00,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:17:00,166 INFO L93 Difference]: Finished difference Result 272 states and 376 transitions. [2021-11-20 23:17:00,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 23:17:00,167 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-11-20 23:17:00,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:17:00,182 INFO L225 Difference]: With dead ends: 272 [2021-11-20 23:17:00,182 INFO L226 Difference]: Without dead ends: 27 [2021-11-20 23:17:00,183 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-20 23:17:00,185 INFO L933 BasicCegarLoop]: 27 mSDtfsCounter, 5 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 4 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 23:17:00,186 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5 Valid, 103 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 4 Unchecked, 0.0s Time] [2021-11-20 23:17:00,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2021-11-20 23:17:00,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2021-11-20 23:17:00,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 24 states have (on average 1.1666666666666667) internal successors, (28), 24 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-20 23:17:00,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 30 transitions. [2021-11-20 23:17:00,189 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 30 transitions. Word has length 11 [2021-11-20 23:17:00,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:17:00,189 INFO L470 AbstractCegarLoop]: Abstraction has 27 states and 30 transitions. [2021-11-20 23:17:00,190 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:17:00,190 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2021-11-20 23:17:00,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-20 23:17:00,190 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:17:00,191 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:17:00,211 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb1ee31-0025-4307-9812-454ea6f99c15/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-20 23:17:00,391 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb1ee31-0025-4307-9812-454ea6f99c15/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 23:17:00,391 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:17:00,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:17:00,392 INFO L85 PathProgramCache]: Analyzing trace with hash -653087080, now seen corresponding path program 1 times [2021-11-20 23:17:00,393 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 23:17:00,393 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [609836791] [2021-11-20 23:17:00,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:17:00,393 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 23:17:00,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb1ee31-0025-4307-9812-454ea6f99c15/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 23:17:00,394 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb1ee31-0025-4307-9812-454ea6f99c15/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 23:17:00,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb1ee31-0025-4307-9812-454ea6f99c15/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-20 23:17:00,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:17:00,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-20 23:17:00,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:17:01,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:17:01,858 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:17:03,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:17:03,021 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 23:17:03,022 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [609836791] [2021-11-20 23:17:03,022 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [609836791] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 23:17:03,022 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:17:03,023 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 7] imperfect sequences [] total 8 [2021-11-20 23:17:03,023 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620448813] [2021-11-20 23:17:03,023 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 23:17:03,024 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-20 23:17:03,024 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 23:17:03,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-20 23:17:03,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-11-20 23:17:03,025 INFO L87 Difference]: Start difference. First operand 27 states and 30 transitions. Second operand has 8 states, 8 states have (on average 3.125) internal successors, (25), 7 states have internal predecessors, (25), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-20 23:17:05,920 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.65s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:17:08,367 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.45s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:17:10,372 WARN L515 Checker$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 [] [2021-11-20 23:17:12,375 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:17:14,384 WARN L515 Checker$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 [] [2021-11-20 23:17:16,387 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:17:18,392 WARN L515 Checker$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 [] [2021-11-20 23:17:21,142 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:17:23,148 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:17:25,152 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:17:27,157 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:17:29,163 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:17:31,169 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:17:31,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:17:31,611 INFO L93 Difference]: Finished difference Result 34 states and 36 transitions. [2021-11-20 23:17:31,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 23:17:31,612 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.125) internal successors, (25), 7 states have internal predecessors, (25), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 20 [2021-11-20 23:17:31,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:17:31,613 INFO L225 Difference]: With dead ends: 34 [2021-11-20 23:17:31,613 INFO L226 Difference]: Without dead ends: 27 [2021-11-20 23:17:31,614 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 31 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-11-20 23:17:31,615 INFO L933 BasicCegarLoop]: 25 mSDtfsCounter, 10 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 1 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.2s IncrementalHoareTripleChecker+Time [2021-11-20 23:17:31,616 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 122 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 46 Invalid, 13 Unknown, 0 Unchecked, 28.2s Time] [2021-11-20 23:17:31,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2021-11-20 23:17:31,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2021-11-20 23:17:31,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 24 states have (on average 1.125) internal successors, (27), 24 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-20 23:17:31,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 29 transitions. [2021-11-20 23:17:31,621 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 29 transitions. Word has length 20 [2021-11-20 23:17:31,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:17:31,622 INFO L470 AbstractCegarLoop]: Abstraction has 27 states and 29 transitions. [2021-11-20 23:17:31,622 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.125) internal successors, (25), 7 states have internal predecessors, (25), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-20 23:17:31,622 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 29 transitions. [2021-11-20 23:17:31,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-20 23:17:31,623 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:17:31,623 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:17:31,640 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb1ee31-0025-4307-9812-454ea6f99c15/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-20 23:17:31,832 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb1ee31-0025-4307-9812-454ea6f99c15/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 23:17:31,832 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:17:31,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:17:31,833 INFO L85 PathProgramCache]: Analyzing trace with hash 592109385, now seen corresponding path program 1 times [2021-11-20 23:17:31,834 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 23:17:31,834 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1499715127] [2021-11-20 23:17:31,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:17:31,835 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 23:17:31,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb1ee31-0025-4307-9812-454ea6f99c15/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 23:17:31,838 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb1ee31-0025-4307-9812-454ea6f99c15/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 23:17:31,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb1ee31-0025-4307-9812-454ea6f99c15/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-20 23:17:34,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:17:34,371 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-20 23:17:34,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:17:35,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:17:35,610 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:17:38,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:17:38,838 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 23:17:38,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1499715127] [2021-11-20 23:17:38,838 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1499715127] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 23:17:38,838 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:17:38,838 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 11 [2021-11-20 23:17:38,838 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962055765] [2021-11-20 23:17:38,839 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 23:17:38,839 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-20 23:17:38,839 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 23:17:38,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-20 23:17:38,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-11-20 23:17:38,840 INFO L87 Difference]: Start difference. First operand 27 states and 29 transitions. Second operand has 11 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 11 states have internal predecessors, (29), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 23:17:39,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:17:39,044 INFO L93 Difference]: Finished difference Result 40 states and 43 transitions. [2021-11-20 23:17:39,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 23:17:39,045 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 11 states have internal predecessors, (29), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 21 [2021-11-20 23:17:39,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:17:39,046 INFO L225 Difference]: With dead ends: 40 [2021-11-20 23:17:39,046 INFO L226 Difference]: Without dead ends: 33 [2021-11-20 23:17:39,047 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 30 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2021-11-20 23:17:39,048 INFO L933 BasicCegarLoop]: 23 mSDtfsCounter, 17 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 36 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 23:17:39,048 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17 Valid, 111 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 36 Unchecked, 0.0s Time] [2021-11-20 23:17:39,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-11-20 23:17:39,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 29. [2021-11-20 23:17:39,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 26 states have (on average 1.1153846153846154) internal successors, (29), 26 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-20 23:17:39,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 31 transitions. [2021-11-20 23:17:39,055 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 31 transitions. Word has length 21 [2021-11-20 23:17:39,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:17:39,056 INFO L470 AbstractCegarLoop]: Abstraction has 29 states and 31 transitions. [2021-11-20 23:17:39,056 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 11 states have internal predecessors, (29), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 23:17:39,056 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2021-11-20 23:17:39,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-20 23:17:39,057 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:17:39,057 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:17:39,103 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb1ee31-0025-4307-9812-454ea6f99c15/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-11-20 23:17:39,265 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb1ee31-0025-4307-9812-454ea6f99c15/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 23:17:39,266 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:17:39,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:17:39,266 INFO L85 PathProgramCache]: Analyzing trace with hash 1554669820, now seen corresponding path program 1 times [2021-11-20 23:17:39,266 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 23:17:39,267 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1721781115] [2021-11-20 23:17:39,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:17:39,267 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 23:17:39,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb1ee31-0025-4307-9812-454ea6f99c15/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 23:17:39,268 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb1ee31-0025-4307-9812-454ea6f99c15/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 23:17:39,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb1ee31-0025-4307-9812-454ea6f99c15/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-20 23:17:41,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:17:41,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-20 23:17:41,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:17:42,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:17:42,936 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:17:52,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:17:52,511 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 23:17:52,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1721781115] [2021-11-20 23:17:52,511 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1721781115] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 23:17:52,511 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:17:52,511 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2021-11-20 23:17:52,512 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693061685] [2021-11-20 23:17:52,512 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 23:17:52,512 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 23:17:52,512 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 23:17:52,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 23:17:52,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-20 23:17:52,513 INFO L87 Difference]: Start difference. First operand 29 states and 31 transitions. Second operand has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 7 states have internal predecessors, (31), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 23:17:55,095 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:17:58,370 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.58s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:18:00,808 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.44s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:18:03,100 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:18:03,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:18:03,203 INFO L93 Difference]: Finished difference Result 40 states and 42 transitions. [2021-11-20 23:18:03,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 23:18:03,206 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 7 states have internal predecessors, (31), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 22 [2021-11-20 23:18:03,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:18:03,207 INFO L225 Difference]: With dead ends: 40 [2021-11-20 23:18:03,207 INFO L226 Difference]: Without dead ends: 26 [2021-11-20 23:18:03,207 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-11-20 23:18:03,208 INFO L933 BasicCegarLoop]: 31 mSDtfsCounter, 17 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2021-11-20 23:18:03,208 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 114 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 4 Unknown, 0 Unchecked, 10.0s Time] [2021-11-20 23:18:03,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2021-11-20 23:18:03,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2021-11-20 23:18:03,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 23 states have (on average 1.0434782608695652) internal successors, (24), 23 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-20 23:18:03,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 26 transitions. [2021-11-20 23:18:03,214 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 26 transitions. Word has length 22 [2021-11-20 23:18:03,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:18:03,214 INFO L470 AbstractCegarLoop]: Abstraction has 26 states and 26 transitions. [2021-11-20 23:18:03,214 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 7 states have internal predecessors, (31), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 23:18:03,215 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 26 transitions. [2021-11-20 23:18:03,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-20 23:18:03,215 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:18:03,215 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:18:03,258 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb1ee31-0025-4307-9812-454ea6f99c15/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2021-11-20 23:18:03,420 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb1ee31-0025-4307-9812-454ea6f99c15/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 23:18:03,420 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:18:03,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:18:03,421 INFO L85 PathProgramCache]: Analyzing trace with hash -1109931687, now seen corresponding path program 1 times [2021-11-20 23:18:03,422 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 23:18:03,422 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [253202739] [2021-11-20 23:18:03,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:18:03,422 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 23:18:03,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb1ee31-0025-4307-9812-454ea6f99c15/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 23:18:03,423 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb1ee31-0025-4307-9812-454ea6f99c15/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 23:18:03,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb1ee31-0025-4307-9812-454ea6f99c15/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-20 23:18:05,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:18:06,069 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-20 23:18:06,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:18:07,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:18:07,274 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:18:10,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:18:10,565 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 23:18:10,565 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [253202739] [2021-11-20 23:18:10,566 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [253202739] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 23:18:10,566 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:18:10,566 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 11 [2021-11-20 23:18:10,566 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627362325] [2021-11-20 23:18:10,566 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 23:18:10,566 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-20 23:18:10,567 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 23:18:10,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-20 23:18:10,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-11-20 23:18:10,567 INFO L87 Difference]: Start difference. First operand 26 states and 26 transitions. Second operand has 11 states, 11 states have (on average 2.8181818181818183) internal successors, (31), 11 states have internal predecessors, (31), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 23:18:12,641 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:18:12,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:18:12,643 INFO L93 Difference]: Finished difference Result 26 states and 26 transitions. [2021-11-20 23:18:12,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 23:18:12,645 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.8181818181818183) internal successors, (31), 11 states have internal predecessors, (31), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 23 [2021-11-20 23:18:12,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:18:12,646 INFO L225 Difference]: With dead ends: 26 [2021-11-20 23:18:12,646 INFO L226 Difference]: Without dead ends: 0 [2021-11-20 23:18:12,646 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 33 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-11-20 23:18:12,647 INFO L933 BasicCegarLoop]: 17 mSDtfsCounter, 15 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 18 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-20 23:18:12,647 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 78 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 1 Unknown, 18 Unchecked, 2.1s Time] [2021-11-20 23:18:12,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-20 23:18:12,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-20 23:18:12,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:18:12,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-20 23:18:12,648 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2021-11-20 23:18:12,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:18:12,649 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 23:18:12,649 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.8181818181818183) internal successors, (31), 11 states have internal predecessors, (31), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 23:18:12,649 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-20 23:18:12,649 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-20 23:18:12,651 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-20 23:18:12,697 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb1ee31-0025-4307-9812-454ea6f99c15/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2021-11-20 23:18:12,860 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb1ee31-0025-4307-9812-454ea6f99c15/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 23:18:12,862 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-20 23:18:13,978 INFO L858 garLoopResultBuilder]: For program point L126-1(lines 126 130) no Hoare annotation was computed. [2021-11-20 23:18:13,978 INFO L861 garLoopResultBuilder]: At program point L126-2(lines 126 130) the Hoare annotation is: true [2021-11-20 23:18:13,978 INFO L858 garLoopResultBuilder]: For program point L126-3(lines 126 130) no Hoare annotation was computed. [2021-11-20 23:18:13,978 INFO L858 garLoopResultBuilder]: For program point L122(lines 122 134) no Hoare annotation was computed. [2021-11-20 23:18:13,979 INFO L858 garLoopResultBuilder]: For program point L122-2(lines 113 163) no Hoare annotation was computed. [2021-11-20 23:18:13,979 INFO L861 garLoopResultBuilder]: At program point L151(line 151) the Hoare annotation is: true [2021-11-20 23:18:13,979 INFO L858 garLoopResultBuilder]: For program point L151-1(line 151) no Hoare annotation was computed. [2021-11-20 23:18:13,979 INFO L858 garLoopResultBuilder]: For program point scalbn_doubleFINAL(lines 113 163) no Hoare annotation was computed. [2021-11-20 23:18:13,979 INFO L861 garLoopResultBuilder]: At program point L139(line 139) the Hoare annotation is: true [2021-11-20 23:18:13,980 INFO L858 garLoopResultBuilder]: For program point L139-1(line 139) no Hoare annotation was computed. [2021-11-20 23:18:13,980 INFO L858 garLoopResultBuilder]: For program point L123(lines 123 124) no Hoare annotation was computed. [2021-11-20 23:18:13,980 INFO L858 garLoopResultBuilder]: For program point L156-1(lines 156 161) no Hoare annotation was computed. [2021-11-20 23:18:13,980 INFO L861 garLoopResultBuilder]: At program point L156-2(lines 156 161) the Hoare annotation is: true [2021-11-20 23:18:13,980 INFO L858 garLoopResultBuilder]: For program point L156-3(lines 156 161) no Hoare annotation was computed. [2021-11-20 23:18:13,981 INFO L858 garLoopResultBuilder]: For program point L115-1(lines 115 120) no Hoare annotation was computed. [2021-11-20 23:18:13,981 INFO L861 garLoopResultBuilder]: At program point L115-2(lines 115 120) the Hoare annotation is: true [2021-11-20 23:18:13,981 INFO L858 garLoopResultBuilder]: For program point L115-3(lines 115 120) no Hoare annotation was computed. [2021-11-20 23:18:13,981 INFO L858 garLoopResultBuilder]: For program point scalbn_doubleEXIT(lines 113 163) no Hoare annotation was computed. [2021-11-20 23:18:13,981 INFO L858 garLoopResultBuilder]: For program point L140(lines 140 148) no Hoare annotation was computed. [2021-11-20 23:18:13,982 INFO L858 garLoopResultBuilder]: For program point L132(lines 132 133) no Hoare annotation was computed. [2021-11-20 23:18:13,982 INFO L861 garLoopResultBuilder]: At program point scalbn_doubleENTRY(lines 113 163) the Hoare annotation is: true [2021-11-20 23:18:13,982 INFO L861 garLoopResultBuilder]: At program point L153(line 153) the Hoare annotation is: true [2021-11-20 23:18:13,982 INFO L858 garLoopResultBuilder]: For program point L153-1(line 153) no Hoare annotation was computed. [2021-11-20 23:18:13,982 INFO L858 garLoopResultBuilder]: For program point L149(lines 149 154) no Hoare annotation was computed. [2021-11-20 23:18:13,982 INFO L858 garLoopResultBuilder]: For program point L141-1(lines 141 146) no Hoare annotation was computed. [2021-11-20 23:18:13,983 INFO L861 garLoopResultBuilder]: At program point L141-2(lines 141 146) the Hoare annotation is: true [2021-11-20 23:18:13,983 INFO L858 garLoopResultBuilder]: For program point L141-3(lines 141 146) no Hoare annotation was computed. [2021-11-20 23:18:13,983 INFO L858 garLoopResultBuilder]: For program point L150(lines 150 153) no Hoare annotation was computed. [2021-11-20 23:18:13,983 INFO L858 garLoopResultBuilder]: For program point L138(lines 138 139) no Hoare annotation was computed. [2021-11-20 23:18:13,983 INFO L858 garLoopResultBuilder]: For program point L95(lines 95 99) no Hoare annotation was computed. [2021-11-20 23:18:13,984 INFO L858 garLoopResultBuilder]: For program point L95-1(lines 88 107) no Hoare annotation was computed. [2021-11-20 23:18:13,984 INFO L858 garLoopResultBuilder]: For program point copysign_doubleFINAL(lines 88 107) no Hoare annotation was computed. [2021-11-20 23:18:13,984 INFO L858 garLoopResultBuilder]: For program point copysign_doubleEXIT(lines 88 107) no Hoare annotation was computed. [2021-11-20 23:18:13,984 INFO L861 garLoopResultBuilder]: At program point copysign_doubleENTRY(lines 88 107) the Hoare annotation is: true [2021-11-20 23:18:13,984 INFO L858 garLoopResultBuilder]: For program point L100(lines 100 105) no Hoare annotation was computed. [2021-11-20 23:18:13,985 INFO L858 garLoopResultBuilder]: For program point L100-1(lines 88 107) no Hoare annotation was computed. [2021-11-20 23:18:13,985 INFO L858 garLoopResultBuilder]: For program point L100-2(lines 100 105) no Hoare annotation was computed. [2021-11-20 23:18:13,985 INFO L858 garLoopResultBuilder]: For program point L90-1(lines 90 94) no Hoare annotation was computed. [2021-11-20 23:18:13,985 INFO L861 garLoopResultBuilder]: At program point L90-2(lines 90 94) the Hoare annotation is: true [2021-11-20 23:18:13,985 INFO L858 garLoopResultBuilder]: For program point L545(lines 545 548) no Hoare annotation was computed. [2021-11-20 23:18:13,985 INFO L858 garLoopResultBuilder]: For program point L545-2(lines 545 548) no Hoare annotation was computed. [2021-11-20 23:18:13,986 INFO L858 garLoopResultBuilder]: For program point L539-1(lines 539 543) no Hoare annotation was computed. [2021-11-20 23:18:13,986 INFO L854 garLoopResultBuilder]: At program point L539-2(lines 539 543) the Hoare annotation is: (or (not (= ~one_kcos~0 ((_ to_fp 11 53) currentRoundingMode 1.0))) (= |__kernel_cos_#in~x| __kernel_cos_~x)) [2021-11-20 23:18:13,986 INFO L858 garLoopResultBuilder]: For program point L539-3(lines 539 543) no Hoare annotation was computed. [2021-11-20 23:18:13,986 INFO L858 garLoopResultBuilder]: For program point __kernel_cosFINAL(lines 536 570) no Hoare annotation was computed. [2021-11-20 23:18:13,986 INFO L858 garLoopResultBuilder]: For program point L556(lines 556 565) no Hoare annotation was computed. [2021-11-20 23:18:13,986 INFO L858 garLoopResultBuilder]: For program point __kernel_cosEXIT(lines 536 570) no Hoare annotation was computed. [2021-11-20 23:18:13,987 INFO L861 garLoopResultBuilder]: At program point __kernel_cosENTRY(lines 536 570) the Hoare annotation is: true [2021-11-20 23:18:13,987 INFO L858 garLoopResultBuilder]: For program point L546(lines 546 547) no Hoare annotation was computed. [2021-11-20 23:18:13,987 INFO L858 garLoopResultBuilder]: For program point L559-1(lines 559 564) no Hoare annotation was computed. [2021-11-20 23:18:13,987 INFO L854 garLoopResultBuilder]: At program point L559-2(lines 559 564) the Hoare annotation is: (or (not (= ~one_kcos~0 ((_ to_fp 11 53) currentRoundingMode 1.0))) (exists ((|v_skolemized_q#valueAsBitvector_102| (_ BitVec 64))) (and (= |__kernel_cos_#in~x| (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_102|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_102|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_102|))) (not (bvslt (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_102|)) (_ bv1044381696 32)))))) [2021-11-20 23:18:13,987 INFO L858 garLoopResultBuilder]: For program point L559-3(lines 556 565) no Hoare annotation was computed. [2021-11-20 23:18:13,987 INFO L858 garLoopResultBuilder]: For program point L553(lines 553 569) no Hoare annotation was computed. [2021-11-20 23:18:13,987 INFO L858 garLoopResultBuilder]: For program point L498(lines 498 503) no Hoare annotation was computed. [2021-11-20 23:18:13,987 INFO L858 garLoopResultBuilder]: For program point L498-1(lines 397 526) no Hoare annotation was computed. [2021-11-20 23:18:13,988 INFO L858 garLoopResultBuilder]: For program point L498-2(lines 498 503) no Hoare annotation was computed. [2021-11-20 23:18:13,988 INFO L858 garLoopResultBuilder]: For program point L201(lines 201 202) no Hoare annotation was computed. [2021-11-20 23:18:13,988 INFO L858 garLoopResultBuilder]: For program point L201-2(lines 201 202) no Hoare annotation was computed. [2021-11-20 23:18:13,988 INFO L858 garLoopResultBuilder]: For program point L36(lines 36 55) no Hoare annotation was computed. [2021-11-20 23:18:13,988 INFO L858 garLoopResultBuilder]: For program point L334-2(lines 334 335) no Hoare annotation was computed. [2021-11-20 23:18:13,988 INFO L858 garLoopResultBuilder]: For program point L235(lines 235 238) no Hoare annotation was computed. [2021-11-20 23:18:13,988 INFO L854 garLoopResultBuilder]: At program point L334-3(lines 334 335) the Hoare annotation is: false [2021-11-20 23:18:13,988 INFO L858 garLoopResultBuilder]: For program point L334-4(lines 320 360) no Hoare annotation was computed. [2021-11-20 23:18:13,988 INFO L858 garLoopResultBuilder]: For program point L37(lines 37 44) no Hoare annotation was computed. [2021-11-20 23:18:13,988 INFO L858 garLoopResultBuilder]: For program point L71(lines 71 72) no Hoare annotation was computed. [2021-11-20 23:18:13,988 INFO L858 garLoopResultBuilder]: For program point L38(lines 38 43) no Hoare annotation was computed. [2021-11-20 23:18:13,988 INFO L858 garLoopResultBuilder]: For program point L71-2(lines 71 72) no Hoare annotation was computed. [2021-11-20 23:18:13,988 INFO L858 garLoopResultBuilder]: For program point L336-1(line 336) no Hoare annotation was computed. [2021-11-20 23:18:13,989 INFO L858 garLoopResultBuilder]: For program point L237(lines 237 238) no Hoare annotation was computed. [2021-11-20 23:18:13,989 INFO L858 garLoopResultBuilder]: For program point L270-1(lines 194 362) no Hoare annotation was computed. [2021-11-20 23:18:13,989 INFO L858 garLoopResultBuilder]: For program point L171(lines 171 176) no Hoare annotation was computed. [2021-11-20 23:18:13,989 INFO L858 garLoopResultBuilder]: For program point L237-2(lines 194 362) no Hoare annotation was computed. [2021-11-20 23:18:13,989 INFO L858 garLoopResultBuilder]: For program point L171-1(lines 164 178) no Hoare annotation was computed. [2021-11-20 23:18:13,989 INFO L858 garLoopResultBuilder]: For program point L171-2(lines 171 176) no Hoare annotation was computed. [2021-11-20 23:18:13,989 INFO L858 garLoopResultBuilder]: For program point L40(lines 40 43) no Hoare annotation was computed. [2021-11-20 23:18:13,990 INFO L854 garLoopResultBuilder]: At program point L602(lines 602 631) the Hoare annotation is: (let ((.cse0 ((_ to_fp 11 53) currentRoundingMode 1.0))) (and (= ~one_kcos~0 .cse0) (= |ULTIMATE.start_cos_double_#res#1| .cse0))) [2021-11-20 23:18:13,990 INFO L858 garLoopResultBuilder]: For program point L470(lines 470 476) no Hoare annotation was computed. [2021-11-20 23:18:13,990 INFO L858 garLoopResultBuilder]: For program point L404-1(lines 404 408) no Hoare annotation was computed. [2021-11-20 23:18:13,990 INFO L854 garLoopResultBuilder]: At program point L404-2(lines 404 408) the Hoare annotation is: false [2021-11-20 23:18:13,990 INFO L858 garLoopResultBuilder]: For program point L338(line 338) no Hoare annotation was computed. [2021-11-20 23:18:13,990 INFO L858 garLoopResultBuilder]: For program point L404-3(lines 404 408) no Hoare annotation was computed. [2021-11-20 23:18:13,991 INFO L858 garLoopResultBuilder]: For program point L272-2(lines 272 273) no Hoare annotation was computed. [2021-11-20 23:18:13,991 INFO L854 garLoopResultBuilder]: At program point L272-3(lines 272 273) the Hoare annotation is: false [2021-11-20 23:18:13,991 INFO L858 garLoopResultBuilder]: For program point L272-4(lines 270 287) no Hoare annotation was computed. [2021-11-20 23:18:13,991 INFO L858 garLoopResultBuilder]: For program point L339-2(lines 339 343) no Hoare annotation was computed. [2021-11-20 23:18:13,991 INFO L858 garLoopResultBuilder]: For program point L240(lines 194 362) no Hoare annotation was computed. [2021-11-20 23:18:13,991 INFO L854 garLoopResultBuilder]: At program point L339-3(lines 339 343) the Hoare annotation is: false [2021-11-20 23:18:13,992 INFO L858 garLoopResultBuilder]: For program point L339-4(lines 339 343) no Hoare annotation was computed. [2021-11-20 23:18:13,992 INFO L858 garLoopResultBuilder]: For program point L207-2(lines 207 208) no Hoare annotation was computed. [2021-11-20 23:18:13,992 INFO L854 garLoopResultBuilder]: At program point L207-3(lines 207 208) the Hoare annotation is: false [2021-11-20 23:18:13,992 INFO L858 garLoopResultBuilder]: For program point L207-4(lines 207 208) no Hoare annotation was computed. [2021-11-20 23:18:13,992 INFO L858 garLoopResultBuilder]: For program point L505-1(lines 505 510) no Hoare annotation was computed. [2021-11-20 23:18:13,992 INFO L854 garLoopResultBuilder]: At program point L505-2(lines 505 510) the Hoare annotation is: false [2021-11-20 23:18:13,992 INFO L858 garLoopResultBuilder]: For program point L505-3(lines 505 510) no Hoare annotation was computed. [2021-11-20 23:18:13,993 INFO L858 garLoopResultBuilder]: For program point L208(line 208) no Hoare annotation was computed. [2021-11-20 23:18:13,993 INFO L858 garLoopResultBuilder]: For program point L208-2(line 208) no Hoare annotation was computed. [2021-11-20 23:18:13,993 INFO L858 garLoopResultBuilder]: For program point L605-1(lines 605 609) no Hoare annotation was computed. [2021-11-20 23:18:13,993 INFO L854 garLoopResultBuilder]: At program point L605-2(lines 605 609) the Hoare annotation is: (and (= ~one_kcos~0 ((_ to_fp 11 53) currentRoundingMode 1.0)) (fp.eq |ULTIMATE.start_cos_double_~x#1| (_ +zero 11 53))) [2021-11-20 23:18:13,993 INFO L858 garLoopResultBuilder]: For program point L605-3(lines 605 609) no Hoare annotation was computed. [2021-11-20 23:18:13,993 INFO L858 garLoopResultBuilder]: For program point L440(lines 440 486) no Hoare annotation was computed. [2021-11-20 23:18:13,994 INFO L858 garLoopResultBuilder]: For program point L308(line 308) no Hoare annotation was computed. [2021-11-20 23:18:13,994 INFO L858 garLoopResultBuilder]: For program point L275-1(lines 275 276) no Hoare annotation was computed. [2021-11-20 23:18:13,994 INFO L858 garLoopResultBuilder]: For program point L275-3(lines 275 276) no Hoare annotation was computed. [2021-11-20 23:18:13,994 INFO L854 garLoopResultBuilder]: At program point L275-4(lines 275 276) the Hoare annotation is: false [2021-11-20 23:18:13,994 INFO L858 garLoopResultBuilder]: For program point L275-5(lines 275 276) no Hoare annotation was computed. [2021-11-20 23:18:13,994 INFO L858 garLoopResultBuilder]: For program point L309-2(lines 309 312) no Hoare annotation was computed. [2021-11-20 23:18:13,995 INFO L854 garLoopResultBuilder]: At program point L309-3(lines 309 312) the Hoare annotation is: false [2021-11-20 23:18:13,995 INFO L854 garLoopResultBuilder]: At program point L177(lines 164 178) the Hoare annotation is: false [2021-11-20 23:18:13,995 INFO L858 garLoopResultBuilder]: For program point L243-2(lines 243 252) no Hoare annotation was computed. [2021-11-20 23:18:13,995 INFO L858 garLoopResultBuilder]: For program point L309-4(lines 309 312) no Hoare annotation was computed. [2021-11-20 23:18:13,995 INFO L858 garLoopResultBuilder]: For program point L210-2(lines 210 214) no Hoare annotation was computed. [2021-11-20 23:18:13,995 INFO L854 garLoopResultBuilder]: At program point L243-3(lines 243 252) the Hoare annotation is: false [2021-11-20 23:18:13,996 INFO L854 garLoopResultBuilder]: At program point L210-3(lines 210 214) the Hoare annotation is: false [2021-11-20 23:18:13,996 INFO L858 garLoopResultBuilder]: For program point L243-4(lines 240 268) no Hoare annotation was computed. [2021-11-20 23:18:13,996 INFO L858 garLoopResultBuilder]: For program point L210-4(lines 210 214) no Hoare annotation was computed. [2021-11-20 23:18:13,996 INFO L858 garLoopResultBuilder]: For program point L211-2(lines 211 212) no Hoare annotation was computed. [2021-11-20 23:18:13,996 INFO L854 garLoopResultBuilder]: At program point L211-3(lines 211 212) the Hoare annotation is: false [2021-11-20 23:18:13,996 INFO L858 garLoopResultBuilder]: For program point L211-4(lines 211 212) no Hoare annotation was computed. [2021-11-20 23:18:13,996 INFO L858 garLoopResultBuilder]: For program point L79(lines 79 84) no Hoare annotation was computed. [2021-11-20 23:18:13,996 INFO L858 garLoopResultBuilder]: For program point L79-1(lines 25 86) no Hoare annotation was computed. [2021-11-20 23:18:13,996 INFO L858 garLoopResultBuilder]: For program point L79-2(lines 79 84) no Hoare annotation was computed. [2021-11-20 23:18:13,997 INFO L858 garLoopResultBuilder]: For program point L410(lines 410 414) no Hoare annotation was computed. [2021-11-20 23:18:13,997 INFO L858 garLoopResultBuilder]: For program point L344-2(lines 344 348) no Hoare annotation was computed. [2021-11-20 23:18:13,997 INFO L858 garLoopResultBuilder]: For program point L245(lines 245 251) no Hoare annotation was computed. [2021-11-20 23:18:13,997 INFO L854 garLoopResultBuilder]: At program point L344-3(lines 344 348) the Hoare annotation is: false [2021-11-20 23:18:13,997 INFO L858 garLoopResultBuilder]: For program point L278-2(lines 278 283) no Hoare annotation was computed. [2021-11-20 23:18:13,997 INFO L858 garLoopResultBuilder]: For program point L344-4(lines 344 348) no Hoare annotation was computed. [2021-11-20 23:18:13,997 INFO L854 garLoopResultBuilder]: At program point L278-3(lines 278 283) the Hoare annotation is: false [2021-11-20 23:18:13,998 INFO L858 garLoopResultBuilder]: For program point L278-4(lines 278 283) no Hoare annotation was computed. [2021-11-20 23:18:13,998 INFO L858 garLoopResultBuilder]: For program point L47(lines 47 48) no Hoare annotation was computed. [2021-11-20 23:18:13,998 INFO L858 garLoopResultBuilder]: For program point L642(lines 642 651) no Hoare annotation was computed. [2021-11-20 23:18:13,998 INFO L858 garLoopResultBuilder]: For program point L642-2(lines 642 651) no Hoare annotation was computed. [2021-11-20 23:18:13,998 INFO L858 garLoopResultBuilder]: For program point L246(lines 246 249) no Hoare annotation was computed. [2021-11-20 23:18:13,998 INFO L858 garLoopResultBuilder]: For program point L511-2(lines 511 514) no Hoare annotation was computed. [2021-11-20 23:18:13,999 INFO L854 garLoopResultBuilder]: At program point L511-3(lines 511 514) the Hoare annotation is: false [2021-11-20 23:18:13,999 INFO L858 garLoopResultBuilder]: For program point L511-4(lines 511 514) no Hoare annotation was computed. [2021-11-20 23:18:13,999 INFO L858 garLoopResultBuilder]: For program point L280-2(lines 280 281) no Hoare annotation was computed. [2021-11-20 23:18:13,999 INFO L854 garLoopResultBuilder]: At program point L280-3(lines 280 281) the Hoare annotation is: false [2021-11-20 23:18:13,999 INFO L858 garLoopResultBuilder]: For program point L280-4(lines 280 281) no Hoare annotation was computed. [2021-11-20 23:18:13,999 INFO L858 garLoopResultBuilder]: For program point L49(lines 49 54) no Hoare annotation was computed. [2021-11-20 23:18:13,999 INFO L858 garLoopResultBuilder]: For program point L446(line 446) no Hoare annotation was computed. [2021-11-20 23:18:14,000 INFO L858 garLoopResultBuilder]: For program point L446-2(lines 446 478) no Hoare annotation was computed. [2021-11-20 23:18:14,000 INFO L858 garLoopResultBuilder]: For program point L314-2(lines 314 318) no Hoare annotation was computed. [2021-11-20 23:18:14,000 INFO L854 garLoopResultBuilder]: At program point L314-3(lines 314 318) the Hoare annotation is: false [2021-11-20 23:18:14,000 INFO L858 garLoopResultBuilder]: For program point L314-4(lines 314 318) no Hoare annotation was computed. [2021-11-20 23:18:14,000 INFO L858 garLoopResultBuilder]: For program point L50(lines 50 51) no Hoare annotation was computed. [2021-11-20 23:18:14,001 INFO L858 garLoopResultBuilder]: For program point L50-2(lines 50 51) no Hoare annotation was computed. [2021-11-20 23:18:14,001 INFO L858 garLoopResultBuilder]: For program point L612(lines 612 630) no Hoare annotation was computed. [2021-11-20 23:18:14,001 INFO L858 garLoopResultBuilder]: For program point L480(lines 480 485) no Hoare annotation was computed. [2021-11-20 23:18:14,001 INFO L858 garLoopResultBuilder]: For program point L315-2(lines 315 316) no Hoare annotation was computed. [2021-11-20 23:18:14,001 INFO L854 garLoopResultBuilder]: At program point L315-3(lines 315 316) the Hoare annotation is: false [2021-11-20 23:18:14,001 INFO L858 garLoopResultBuilder]: For program point L315-4(lines 315 316) no Hoare annotation was computed. [2021-11-20 23:18:14,002 INFO L854 garLoopResultBuilder]: At program point L613(line 613) the Hoare annotation is: (and (= ~one_kcos~0 ((_ to_fp 11 53) currentRoundingMode 1.0)) (fp.eq |ULTIMATE.start_cos_double_~x#1| (_ +zero 11 53))) [2021-11-20 23:18:14,002 INFO L858 garLoopResultBuilder]: For program point L613-1(line 613) no Hoare annotation was computed. [2021-11-20 23:18:14,002 INFO L858 garLoopResultBuilder]: For program point L415(lines 415 439) no Hoare annotation was computed. [2021-11-20 23:18:14,002 INFO L858 garLoopResultBuilder]: For program point L349-2(lines 349 350) no Hoare annotation was computed. [2021-11-20 23:18:14,002 INFO L854 garLoopResultBuilder]: At program point L349-3(lines 349 350) the Hoare annotation is: false [2021-11-20 23:18:14,002 INFO L858 garLoopResultBuilder]: For program point L349-4(lines 320 360) no Hoare annotation was computed. [2021-11-20 23:18:14,002 INFO L854 garLoopResultBuilder]: At program point L85(lines 25 86) the Hoare annotation is: false [2021-11-20 23:18:14,002 INFO L858 garLoopResultBuilder]: For program point L647(lines 647 650) no Hoare annotation was computed. [2021-11-20 23:18:14,003 INFO L858 garLoopResultBuilder]: For program point L416(lines 416 438) no Hoare annotation was computed. [2021-11-20 23:18:14,003 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-20 23:18:14,003 INFO L858 garLoopResultBuilder]: For program point L648(line 648) no Hoare annotation was computed. [2021-11-20 23:18:14,003 INFO L858 garLoopResultBuilder]: For program point L615(lines 615 630) no Hoare annotation was computed. [2021-11-20 23:18:14,003 INFO L854 garLoopResultBuilder]: At program point L285(lines 194 362) the Hoare annotation is: false [2021-11-20 23:18:14,003 INFO L858 garLoopResultBuilder]: For program point L219-2(lines 219 223) no Hoare annotation was computed. [2021-11-20 23:18:14,003 INFO L854 garLoopResultBuilder]: At program point L219-3(lines 219 223) the Hoare annotation is: false [2021-11-20 23:18:14,003 INFO L854 garLoopResultBuilder]: At program point L219-4(lines 219 223) the Hoare annotation is: false [2021-11-20 23:18:14,004 INFO L858 garLoopResultBuilder]: For program point L517-1(lines 517 518) no Hoare annotation was computed. [2021-11-20 23:18:14,004 INFO L858 garLoopResultBuilder]: For program point L418(lines 418 425) no Hoare annotation was computed. [2021-11-20 23:18:14,004 INFO L854 garLoopResultBuilder]: At program point L517-3(lines 517 518) the Hoare annotation is: false [2021-11-20 23:18:14,004 INFO L858 garLoopResultBuilder]: For program point L517-4(lines 517 518) no Hoare annotation was computed. [2021-11-20 23:18:14,004 INFO L858 garLoopResultBuilder]: For program point L418-2(lines 418 425) no Hoare annotation was computed. [2021-11-20 23:18:14,004 INFO L858 garLoopResultBuilder]: For program point L253-1(lines 240 268) no Hoare annotation was computed. [2021-11-20 23:18:14,004 INFO L858 garLoopResultBuilder]: For program point L452-1(lines 452 456) no Hoare annotation was computed. [2021-11-20 23:18:14,004 INFO L854 garLoopResultBuilder]: At program point L452-2(lines 452 456) the Hoare annotation is: false [2021-11-20 23:18:14,004 INFO L858 garLoopResultBuilder]: For program point L452-3(lines 452 456) no Hoare annotation was computed. [2021-11-20 23:18:14,004 INFO L854 garLoopResultBuilder]: At program point L320(lines 320 360) the Hoare annotation is: false [2021-11-20 23:18:14,004 INFO L854 garLoopResultBuilder]: At program point L254(lines 254 261) the Hoare annotation is: false [2021-11-20 23:18:14,004 INFO L858 garLoopResultBuilder]: For program point L56(lines 56 78) no Hoare annotation was computed. [2021-11-20 23:18:14,004 INFO L858 garLoopResultBuilder]: For program point L321(line 321) no Hoare annotation was computed. [2021-11-20 23:18:14,004 INFO L858 garLoopResultBuilder]: For program point L255(line 255) no Hoare annotation was computed. [2021-11-20 23:18:14,005 INFO L858 garLoopResultBuilder]: For program point L57(lines 57 60) no Hoare annotation was computed. [2021-11-20 23:18:14,005 INFO L858 garLoopResultBuilder]: For program point L520(lines 520 524) no Hoare annotation was computed. [2021-11-20 23:18:14,005 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-20 23:18:14,005 INFO L861 garLoopResultBuilder]: At program point L653(lines 633 654) the Hoare annotation is: true [2021-11-20 23:18:14,005 INFO L858 garLoopResultBuilder]: For program point L620(lines 620 629) no Hoare annotation was computed. [2021-11-20 23:18:14,005 INFO L858 garLoopResultBuilder]: For program point L488(lines 488 491) no Hoare annotation was computed. [2021-11-20 23:18:14,005 INFO L858 garLoopResultBuilder]: For program point L323-2(lines 323 324) no Hoare annotation was computed. [2021-11-20 23:18:14,005 INFO L854 garLoopResultBuilder]: At program point L323-3(lines 323 324) the Hoare annotation is: false [2021-11-20 23:18:14,005 INFO L858 garLoopResultBuilder]: For program point L323-4(lines 320 360) no Hoare annotation was computed. [2021-11-20 23:18:14,005 INFO L858 garLoopResultBuilder]: For program point L621(line 621) no Hoare annotation was computed. [2021-11-20 23:18:14,005 INFO L858 garLoopResultBuilder]: For program point L258(line 258) no Hoare annotation was computed. [2021-11-20 23:18:14,006 INFO L858 garLoopResultBuilder]: For program point L225(line 225) no Hoare annotation was computed. [2021-11-20 23:18:14,006 INFO L854 garLoopResultBuilder]: At program point L622(line 622) the Hoare annotation is: false [2021-11-20 23:18:14,006 INFO L858 garLoopResultBuilder]: For program point L622-1(line 622) no Hoare annotation was computed. [2021-11-20 23:18:14,006 INFO L858 garLoopResultBuilder]: For program point L325-1(line 325) no Hoare annotation was computed. [2021-11-20 23:18:14,006 INFO L858 garLoopResultBuilder]: For program point L292-1(lines 292 295) no Hoare annotation was computed. [2021-11-20 23:18:14,006 INFO L854 garLoopResultBuilder]: At program point L292-3(lines 292 295) the Hoare annotation is: false [2021-11-20 23:18:14,006 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-20 23:18:14,007 INFO L858 garLoopResultBuilder]: For program point L28-1(lines 28 33) no Hoare annotation was computed. [2021-11-20 23:18:14,007 INFO L854 garLoopResultBuilder]: At program point L28-2(lines 28 33) the Hoare annotation is: false [2021-11-20 23:18:14,007 INFO L858 garLoopResultBuilder]: For program point L28-3(lines 28 33) no Hoare annotation was computed. [2021-11-20 23:18:14,007 INFO L858 garLoopResultBuilder]: For program point L623(line 623) no Hoare annotation was computed. [2021-11-20 23:18:14,007 INFO L858 garLoopResultBuilder]: For program point L458(lines 458 477) no Hoare annotation was computed. [2021-11-20 23:18:14,007 INFO L858 garLoopResultBuilder]: For program point L458-1(lines 446 478) no Hoare annotation was computed. [2021-11-20 23:18:14,008 INFO L854 garLoopResultBuilder]: At program point L624(line 624) the Hoare annotation is: false [2021-11-20 23:18:14,008 INFO L858 garLoopResultBuilder]: For program point L624-1(line 624) no Hoare annotation was computed. [2021-11-20 23:18:14,008 INFO L854 garLoopResultBuilder]: At program point L525(lines 397 526) the Hoare annotation is: false [2021-11-20 23:18:14,008 INFO L858 garLoopResultBuilder]: For program point L327(line 327) no Hoare annotation was computed. [2021-11-20 23:18:14,008 INFO L858 garLoopResultBuilder]: For program point L327-2(line 327) no Hoare annotation was computed. [2021-11-20 23:18:14,008 INFO L858 garLoopResultBuilder]: For program point L63(lines 63 64) no Hoare annotation was computed. [2021-11-20 23:18:14,008 INFO L858 garLoopResultBuilder]: For program point L625(line 625) no Hoare annotation was computed. [2021-11-20 23:18:14,008 INFO L858 garLoopResultBuilder]: For program point L493-1(lines 493 497) no Hoare annotation was computed. [2021-11-20 23:18:14,008 INFO L854 garLoopResultBuilder]: At program point L493-2(lines 493 497) the Hoare annotation is: false [2021-11-20 23:18:14,008 INFO L854 garLoopResultBuilder]: At program point L361(lines 193 362) the Hoare annotation is: false [2021-11-20 23:18:14,008 INFO L858 garLoopResultBuilder]: For program point L328(line 328) no Hoare annotation was computed. [2021-11-20 23:18:14,008 INFO L854 garLoopResultBuilder]: At program point L626(line 626) the Hoare annotation is: false [2021-11-20 23:18:14,009 INFO L858 garLoopResultBuilder]: For program point L626-1(line 626) no Hoare annotation was computed. [2021-11-20 23:18:14,009 INFO L858 garLoopResultBuilder]: For program point L230(lines 230 238) no Hoare annotation was computed. [2021-11-20 23:18:14,009 INFO L858 garLoopResultBuilder]: For program point L65(lines 65 77) no Hoare annotation was computed. [2021-11-20 23:18:14,009 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-20 23:18:14,009 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 648) no Hoare annotation was computed. [2021-11-20 23:18:14,009 INFO L858 garLoopResultBuilder]: For program point L627(line 627) no Hoare annotation was computed. [2021-11-20 23:18:14,009 INFO L858 garLoopResultBuilder]: For program point L429(lines 429 436) no Hoare annotation was computed. [2021-11-20 23:18:14,009 INFO L858 garLoopResultBuilder]: For program point L429-2(lines 429 436) no Hoare annotation was computed. [2021-11-20 23:18:14,009 INFO L854 garLoopResultBuilder]: At program point L297(line 297) the Hoare annotation is: false [2021-11-20 23:18:14,009 INFO L858 garLoopResultBuilder]: For program point L297-1(line 297) no Hoare annotation was computed. [2021-11-20 23:18:14,009 INFO L858 garLoopResultBuilder]: For program point L330-2(lines 330 331) no Hoare annotation was computed. [2021-11-20 23:18:14,009 INFO L854 garLoopResultBuilder]: At program point L330-3(lines 330 331) the Hoare annotation is: false [2021-11-20 23:18:14,009 INFO L858 garLoopResultBuilder]: For program point L330-4(lines 320 360) no Hoare annotation was computed. [2021-11-20 23:18:14,009 INFO L858 garLoopResultBuilder]: For program point L66(lines 66 75) no Hoare annotation was computed. [2021-11-20 23:18:14,010 INFO L858 garLoopResultBuilder]: For program point L66-1(lines 66 75) no Hoare annotation was computed. [2021-11-20 23:18:14,010 INFO L854 garLoopResultBuilder]: At program point L628(line 628) the Hoare annotation is: false [2021-11-20 23:18:14,010 INFO L858 garLoopResultBuilder]: For program point L628-1(line 628) no Hoare annotation was computed. [2021-11-20 23:18:14,010 INFO L858 garLoopResultBuilder]: For program point L298(lines 298 305) no Hoare annotation was computed. [2021-11-20 23:18:14,010 INFO L858 garLoopResultBuilder]: For program point L265(lines 265 266) no Hoare annotation was computed. [2021-11-20 23:18:14,010 INFO L854 garLoopResultBuilder]: At program point L298-2(lines 289 306) the Hoare annotation is: false [2021-11-20 23:18:14,010 INFO L858 garLoopResultBuilder]: For program point L166-1(lines 166 170) no Hoare annotation was computed. [2021-11-20 23:18:14,011 INFO L854 garLoopResultBuilder]: At program point L166-2(lines 166 170) the Hoare annotation is: false [2021-11-20 23:18:14,011 INFO L858 garLoopResultBuilder]: For program point L67(lines 67 74) no Hoare annotation was computed. [2021-11-20 23:18:14,011 INFO L858 garLoopResultBuilder]: For program point L464-1(lines 464 468) no Hoare annotation was computed. [2021-11-20 23:18:14,011 INFO L854 garLoopResultBuilder]: At program point L464-2(lines 464 468) the Hoare annotation is: false [2021-11-20 23:18:14,011 INFO L858 garLoopResultBuilder]: For program point L464-3(lines 464 468) no Hoare annotation was computed. [2021-11-20 23:18:14,011 INFO L858 garLoopResultBuilder]: For program point L332-1(line 332) no Hoare annotation was computed. [2021-11-20 23:18:14,011 INFO L854 garLoopResultBuilder]: At program point L266(line 266) the Hoare annotation is: false [2021-11-20 23:18:14,012 INFO L858 garLoopResultBuilder]: For program point L266-1(line 266) no Hoare annotation was computed. [2021-11-20 23:18:14,012 INFO L858 garLoopResultBuilder]: For program point L35(lines 35 78) no Hoare annotation was computed. [2021-11-20 23:18:14,012 INFO L861 garLoopResultBuilder]: At program point __kernel_sinENTRY(lines 580 600) the Hoare annotation is: true [2021-11-20 23:18:14,012 INFO L858 garLoopResultBuilder]: For program point __kernel_sinFINAL(lines 580 600) no Hoare annotation was computed. [2021-11-20 23:18:14,012 INFO L858 garLoopResultBuilder]: For program point L589(lines 589 592) no Hoare annotation was computed. [2021-11-20 23:18:14,012 INFO L858 garLoopResultBuilder]: For program point L589-2(lines 589 592) no Hoare annotation was computed. [2021-11-20 23:18:14,012 INFO L858 garLoopResultBuilder]: For program point L583-1(lines 583 587) no Hoare annotation was computed. [2021-11-20 23:18:14,013 INFO L861 garLoopResultBuilder]: At program point L583-2(lines 583 587) the Hoare annotation is: true [2021-11-20 23:18:14,013 INFO L858 garLoopResultBuilder]: For program point L583-3(lines 583 587) no Hoare annotation was computed. [2021-11-20 23:18:14,013 INFO L858 garLoopResultBuilder]: For program point __kernel_sinEXIT(lines 580 600) no Hoare annotation was computed. [2021-11-20 23:18:14,013 INFO L858 garLoopResultBuilder]: For program point L596(lines 596 599) no Hoare annotation was computed. [2021-11-20 23:18:14,013 INFO L858 garLoopResultBuilder]: For program point L590(lines 590 591) no Hoare annotation was computed. [2021-11-20 23:18:14,016 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2021-11-20 23:18:14,018 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-20 23:18:14,037 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_102,QUANTIFIED] [2021-11-20 23:18:14,038 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_102,QUANTIFIED] [2021-11-20 23:18:14,038 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_102,QUANTIFIED] [2021-11-20 23:18:14,038 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_102,QUANTIFIED] [2021-11-20 23:18:14,039 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_102,QUANTIFIED] [2021-11-20 23:18:14,039 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_102,QUANTIFIED] [2021-11-20 23:18:14,039 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_102,QUANTIFIED] [2021-11-20 23:18:14,039 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_102,QUANTIFIED] [2021-11-20 23:18:14,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 11:18:14 BoogieIcfgContainer [2021-11-20 23:18:14,041 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-20 23:18:14,041 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 23:18:14,041 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 23:18:14,042 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 23:18:14,042 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:16:57" (3/4) ... [2021-11-20 23:18:14,045 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-20 23:18:14,051 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure scalbn_double [2021-11-20 23:18:14,052 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure copysign_double [2021-11-20 23:18:14,052 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __kernel_cos [2021-11-20 23:18:14,052 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __kernel_sin [2021-11-20 23:18:14,070 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2021-11-20 23:18:14,072 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2021-11-20 23:18:14,073 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-11-20 23:18:14,073 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-20 23:18:14,100 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(one_kcos == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)) || \old(x) == x [2021-11-20 23:18:14,100 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: one_kcos == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0) && \result == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0) [2021-11-20 23:18:14,101 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(one_kcos == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)) || (\exists v_skolemized_q#valueAsBitvector_102 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_102[63:63], v_skolemized_q#valueAsBitvector_102[62:52], v_skolemized_q#valueAsBitvector_102[51:0]) && !~bvslt32(~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_102[63:32]), 1044381696bv32)) [2021-11-20 23:18:14,210 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb1ee31-0025-4307-9812-454ea6f99c15/bin/utaipan-TEXQjIfE4P/witness.graphml [2021-11-20 23:18:14,210 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 23:18:14,210 INFO L158 Benchmark]: Toolchain (without parser) took 129278.70ms. Allocated memory was 75.5MB in the beginning and 104.9MB in the end (delta: 29.4MB). Free memory was 39.4MB in the beginning and 64.1MB in the end (delta: -24.7MB). Peak memory consumption was 47.3MB. Max. memory is 16.1GB. [2021-11-20 23:18:14,211 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 75.5MB. Free memory is still 56.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 23:18:14,211 INFO L158 Benchmark]: CACSL2BoogieTranslator took 784.27ms. Allocated memory is still 75.5MB. Free memory was 39.3MB in the beginning and 40.5MB in the end (delta: -1.3MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. [2021-11-20 23:18:14,211 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.56ms. Allocated memory is still 75.5MB. Free memory was 40.3MB in the beginning and 34.2MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-20 23:18:14,212 INFO L158 Benchmark]: Boogie Preprocessor took 113.00ms. Allocated memory is still 75.5MB. Free memory was 34.2MB in the beginning and 52.3MB in the end (delta: -18.1MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. [2021-11-20 23:18:14,212 INFO L158 Benchmark]: RCFGBuilder took 51140.72ms. Allocated memory was 75.5MB in the beginning and 104.9MB in the end (delta: 29.4MB). Free memory was 52.3MB in the beginning and 75.4MB in the end (delta: -23.1MB). Peak memory consumption was 43.9MB. Max. memory is 16.1GB. [2021-11-20 23:18:14,213 INFO L158 Benchmark]: TraceAbstraction took 76973.53ms. Allocated memory is still 104.9MB. Free memory was 75.2MB in the beginning and 36.9MB in the end (delta: 38.3MB). Peak memory consumption was 39.5MB. Max. memory is 16.1GB. [2021-11-20 23:18:14,213 INFO L158 Benchmark]: Witness Printer took 168.69ms. Allocated memory is still 104.9MB. Free memory was 36.9MB in the beginning and 64.1MB in the end (delta: -27.2MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. [2021-11-20 23:18:14,215 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 75.5MB. Free memory is still 56.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 784.27ms. Allocated memory is still 75.5MB. Free memory was 39.3MB in the beginning and 40.5MB in the end (delta: -1.3MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.56ms. Allocated memory is still 75.5MB. Free memory was 40.3MB in the beginning and 34.2MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 113.00ms. Allocated memory is still 75.5MB. Free memory was 34.2MB in the beginning and 52.3MB in the end (delta: -18.1MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. * RCFGBuilder took 51140.72ms. Allocated memory was 75.5MB in the beginning and 104.9MB in the end (delta: 29.4MB). Free memory was 52.3MB in the beginning and 75.4MB in the end (delta: -23.1MB). Peak memory consumption was 43.9MB. Max. memory is 16.1GB. * TraceAbstraction took 76973.53ms. Allocated memory is still 104.9MB. Free memory was 75.2MB in the beginning and 36.9MB in the end (delta: 38.3MB). Peak memory consumption was 39.5MB. Max. memory is 16.1GB. * Witness Printer took 168.69ms. Allocated memory is still 104.9MB. Free memory was 36.9MB in the beginning and 64.1MB in the end (delta: -27.2MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_102,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_102,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_102,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_102,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_102,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_102,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_102,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_102,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 648]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 258 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 76.9s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 41.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 18 mSolverCounterUnknown, 67 SdHoareTripleChecker+Valid, 40.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 64 mSDsluCounter, 889 SdHoareTripleChecker+Invalid, 39.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 58 IncrementalHoareTripleChecker+Unchecked, 405 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 65 IncrementalHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 484 mSDtfsCounter, 65 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 209 GetRequests, 163 SyntacticMatches, 5 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 9.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=258occurred in iteration=0, InterpolantAutomatonStates: 35, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 149 PreInvPairs, 156 NumberOfFragments, 121 HoareAnnotationTreeSize, 149 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 62 FomulaSimplificationsInter, 23 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 7.9s SatisfiabilityAnalysisTime, 23.9s InterpolantComputationTime, 107 NumberOfCodeBlocks, 107 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 202 ConstructedInterpolants, 48 QuantifiedInterpolants, 1380 SizeOfPredicates, 29 NumberOfNonLiveVariables, 1407 ConjunctsInSsa, 41 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 397]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 210]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 156]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 292]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 115]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 272]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 602]: Loop Invariant Derived loop invariant: one_kcos == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0) && \result == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0) - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: one_kcos == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0) && ~fp.eq~DOUBLE(x, ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 243]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 349]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 330]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 633]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 320]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 539]: Loop Invariant Derived loop invariant: !(one_kcos == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)) || \old(x) == x - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 315]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 219]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 452]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 254]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 344]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 559]: Loop Invariant [2021-11-20 23:18:14,229 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_102,QUANTIFIED] [2021-11-20 23:18:14,229 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_102,QUANTIFIED] [2021-11-20 23:18:14,229 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_102,QUANTIFIED] [2021-11-20 23:18:14,229 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_102,QUANTIFIED] [2021-11-20 23:18:14,230 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_102,QUANTIFIED] [2021-11-20 23:18:14,230 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_102,QUANTIFIED] [2021-11-20 23:18:14,230 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_102,QUANTIFIED] [2021-11-20 23:18:14,230 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_102,QUANTIFIED] Derived loop invariant: !(one_kcos == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)) || (\exists v_skolemized_q#valueAsBitvector_102 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_102[63:63], v_skolemized_q#valueAsBitvector_102[62:52], v_skolemized_q#valueAsBitvector_102[51:0]) && !~bvslt32(~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_102[63:32]), 1044381696bv32)) - InvariantResult [Line: 464]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 505]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 339]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 511]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 404]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 90]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 314]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 334]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 280]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 323]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 517]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 207]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 278]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-11-20 23:18:14,449 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb1ee31-0025-4307-9812-454ea6f99c15/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-11-20 23:18:14,485 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb1ee31-0025-4307-9812-454ea6f99c15/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE