./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0550b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_befa0bad-6155-4fbc-9dcb-ac77761dbf70/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_befa0bad-6155-4fbc-9dcb-ac77761dbf70/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_befa0bad-6155-4fbc-9dcb-ac77761dbf70/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_befa0bad-6155-4fbc-9dcb-ac77761dbf70/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0550b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_befa0bad-6155-4fbc-9dcb-ac77761dbf70/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_befa0bad-6155-4fbc-9dcb-ac77761dbf70/bin/utaipan-EQgc7hIp5V --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 6b8c4e82653e996d3b6c79d2db05a0118f18a520369a0f7d2fb090d4048ab9c4 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 03:29:03,740 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 03:29:03,744 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 03:29:03,815 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 03:29:03,815 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 03:29:03,817 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 03:29:03,819 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 03:29:03,821 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 03:29:03,824 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 03:29:03,825 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 03:29:03,826 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 03:29:03,828 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 03:29:03,828 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 03:29:03,830 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 03:29:03,831 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 03:29:03,833 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 03:29:03,834 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 03:29:03,835 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 03:29:03,837 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 03:29:03,840 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 03:29:03,842 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 03:29:03,844 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 03:29:03,846 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 03:29:03,847 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 03:29:03,851 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 03:29:03,852 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 03:29:03,852 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 03:29:03,854 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 03:29:03,854 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 03:29:03,856 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 03:29:03,856 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 03:29:03,857 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 03:29:03,858 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 03:29:03,860 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 03:29:03,861 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 03:29:03,861 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 03:29:03,863 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 03:29:03,863 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 03:29:03,864 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 03:29:03,865 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 03:29:03,866 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 03:29:03,867 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_befa0bad-6155-4fbc-9dcb-ac77761dbf70/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 03:29:03,894 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 03:29:03,894 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 03:29:03,894 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 03:29:03,895 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 03:29:03,896 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 03:29:03,896 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 03:29:03,896 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 03:29:03,897 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 03:29:03,897 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 03:29:03,897 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 03:29:03,897 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 03:29:03,898 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 03:29:03,898 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 03:29:03,898 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 03:29:03,899 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 03:29:03,899 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 03:29:03,899 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 03:29:03,900 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 03:29:03,900 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 03:29:03,901 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 03:29:03,901 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 03:29:03,901 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 03:29:03,901 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 03:29:03,902 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 03:29:03,902 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 03:29:03,902 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 03:29:03,902 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 03:29:03,903 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 03:29:03,903 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 03:29:03,903 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 03:29:03,903 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 03:29:03,904 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 03:29:03,904 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:29:03,904 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 03:29:03,905 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 03:29:03,905 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 03:29:03,905 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 03:29:03,905 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 03:29:03,905 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 03:29:03,906 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 03:29:03,906 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 03:29:03,906 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_befa0bad-6155-4fbc-9dcb-ac77761dbf70/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_befa0bad-6155-4fbc-9dcb-ac77761dbf70/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6b8c4e82653e996d3b6c79d2db05a0118f18a520369a0f7d2fb090d4048ab9c4 [2021-11-23 03:29:04,177 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 03:29:04,207 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 03:29:04,210 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 03:29:04,212 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 03:29:04,215 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 03:29:04,217 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_befa0bad-6155-4fbc-9dcb-ac77761dbf70/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/float-newlib/float_req_bl_0550b.c [2021-11-23 03:29:04,313 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_befa0bad-6155-4fbc-9dcb-ac77761dbf70/bin/utaipan-EQgc7hIp5V/data/f51901ee4/9c16e8b6d84743a8839d1c970934d18c/FLAG0ff088b41 [2021-11-23 03:29:04,877 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 03:29:04,877 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_befa0bad-6155-4fbc-9dcb-ac77761dbf70/sv-benchmarks/c/float-newlib/float_req_bl_0550b.c [2021-11-23 03:29:04,890 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_befa0bad-6155-4fbc-9dcb-ac77761dbf70/bin/utaipan-EQgc7hIp5V/data/f51901ee4/9c16e8b6d84743a8839d1c970934d18c/FLAG0ff088b41 [2021-11-23 03:29:05,145 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_befa0bad-6155-4fbc-9dcb-ac77761dbf70/bin/utaipan-EQgc7hIp5V/data/f51901ee4/9c16e8b6d84743a8839d1c970934d18c [2021-11-23 03:29:05,148 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 03:29:05,150 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 03:29:05,152 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 03:29:05,152 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 03:29:05,161 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 03:29:05,163 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:29:05" (1/1) ... [2021-11-23 03:29:05,165 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@374dbac8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:05, skipping insertion in model container [2021-11-23 03:29:05,166 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:29:05" (1/1) ... [2021-11-23 03:29:05,174 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 03:29:05,238 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 03:29:05,657 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_befa0bad-6155-4fbc-9dcb-ac77761dbf70/sv-benchmarks/c/float-newlib/float_req_bl_0550b.c[15673,15686] [2021-11-23 03:29:05,677 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:29:05,737 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 03:29:05,898 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_befa0bad-6155-4fbc-9dcb-ac77761dbf70/sv-benchmarks/c/float-newlib/float_req_bl_0550b.c[15673,15686] [2021-11-23 03:29:05,901 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:29:05,940 INFO L208 MainTranslator]: Completed translation [2021-11-23 03:29:05,940 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:05 WrapperNode [2021-11-23 03:29:05,941 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 03:29:05,942 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 03:29:05,942 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 03:29:05,942 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 03:29:05,950 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:05" (1/1) ... [2021-11-23 03:29:05,983 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:05" (1/1) ... [2021-11-23 03:29:06,068 INFO L137 Inliner]: procedures = 26, calls = 519, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 1049 [2021-11-23 03:29:06,071 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 03:29:06,073 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 03:29:06,073 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 03:29:06,074 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 03:29:06,084 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:05" (1/1) ... [2021-11-23 03:29:06,084 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:05" (1/1) ... [2021-11-23 03:29:06,103 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:05" (1/1) ... [2021-11-23 03:29:06,104 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:05" (1/1) ... [2021-11-23 03:29:06,173 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:05" (1/1) ... [2021-11-23 03:29:06,209 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:05" (1/1) ... [2021-11-23 03:29:06,227 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:05" (1/1) ... [2021-11-23 03:29:06,255 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 03:29:06,256 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 03:29:06,256 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 03:29:06,256 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 03:29:06,258 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:05" (1/1) ... [2021-11-23 03:29:06,269 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:29:06,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_befa0bad-6155-4fbc-9dcb-ac77761dbf70/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:29:06,299 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_befa0bad-6155-4fbc-9dcb-ac77761dbf70/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 03:29:06,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_befa0bad-6155-4fbc-9dcb-ac77761dbf70/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 03:29:06,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 03:29:06,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 03:29:06,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-11-23 03:29:06,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 03:29:06,370 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2021-11-23 03:29:06,371 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2021-11-23 03:29:06,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-11-23 03:29:06,371 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_float [2021-11-23 03:29:06,372 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_float [2021-11-23 03:29:06,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 03:29:06,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-11-23 03:29:06,372 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2021-11-23 03:29:06,372 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2021-11-23 03:29:06,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 03:29:06,373 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_tanf [2021-11-23 03:29:06,373 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_tanf [2021-11-23 03:29:06,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 03:29:06,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 03:29:06,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 03:29:06,647 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 03:29:06,649 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 03:29:07,890 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 03:29:08,177 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 03:29:08,177 INFO L301 CfgBuilder]: Removed 63 assume(true) statements. [2021-11-23 03:29:08,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:29:08 BoogieIcfgContainer [2021-11-23 03:29:08,181 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 03:29:08,184 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 03:29:08,184 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 03:29:08,188 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 03:29:08,189 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:29:05" (1/3) ... [2021-11-23 03:29:08,190 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48cd6f8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:29:08, skipping insertion in model container [2021-11-23 03:29:08,190 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:05" (2/3) ... [2021-11-23 03:29:08,191 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48cd6f8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:29:08, skipping insertion in model container [2021-11-23 03:29:08,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:29:08" (3/3) ... [2021-11-23 03:29:08,194 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0550b.c [2021-11-23 03:29:08,201 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 03:29:08,201 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 03:29:08,304 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 03:29:08,322 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 [2021-11-23 03:29:08,322 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 03:29:08,355 INFO L276 IsEmpty]: Start isEmpty. Operand has 163 states, 146 states have (on average 1.6917808219178083) internal successors, (247), 147 states have internal predecessors, (247), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2021-11-23 03:29:08,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 03:29:08,361 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:29:08,362 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:29:08,363 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:29:08,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:29:08,371 INFO L85 PathProgramCache]: Analyzing trace with hash -1570909943, now seen corresponding path program 1 times [2021-11-23 03:29:08,384 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:29:08,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802434168] [2021-11-23 03:29:08,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:29:08,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:29:08,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:29:08,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:29:08,794 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:29:08,794 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802434168] [2021-11-23 03:29:08,795 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [802434168] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:29:08,795 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:29:08,795 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 03:29:08,797 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830840627] [2021-11-23 03:29:08,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:29:08,803 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-23 03:29:08,803 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:29:08,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-23 03:29:08,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 03:29:08,851 INFO L87 Difference]: Start difference. First operand has 163 states, 146 states have (on average 1.6917808219178083) internal successors, (247), 147 states have internal predecessors, (247), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:29:09,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:29:09,116 INFO L93 Difference]: Finished difference Result 325 states and 548 transitions. [2021-11-23 03:29:09,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 03:29:09,122 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-11-23 03:29:09,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:29:09,145 INFO L225 Difference]: With dead ends: 325 [2021-11-23 03:29:09,146 INFO L226 Difference]: Without dead ends: 161 [2021-11-23 03:29:09,157 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 [2021-11-23 03:29:09,164 INFO L933 BasicCegarLoop]: 170 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-23 03:29:09,166 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 170 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-23 03:29:09,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2021-11-23 03:29:09,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2021-11-23 03:29:09,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 145 states have (on average 1.3724137931034484) internal successors, (199), 145 states have internal predecessors, (199), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2021-11-23 03:29:09,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 221 transitions. [2021-11-23 03:29:09,261 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 221 transitions. Word has length 8 [2021-11-23 03:29:09,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:29:09,261 INFO L470 AbstractCegarLoop]: Abstraction has 161 states and 221 transitions. [2021-11-23 03:29:09,261 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:29:09,262 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 221 transitions. [2021-11-23 03:29:09,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 03:29:09,262 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:29:09,262 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:29:09,263 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 03:29:09,263 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:29:09,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:29:09,264 INFO L85 PathProgramCache]: Analyzing trace with hash -1138085447, now seen corresponding path program 1 times [2021-11-23 03:29:09,264 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:29:09,264 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310653607] [2021-11-23 03:29:09,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:29:09,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:29:09,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 03:29:09,421 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 03:29:09,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 03:29:09,605 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-23 03:29:09,605 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-23 03:29:09,608 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-23 03:29:09,610 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 03:29:09,615 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-11-23 03:29:09,618 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-23 03:29:09,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:29:09 BoogieIcfgContainer [2021-11-23 03:29:09,699 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-23 03:29:09,700 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 03:29:09,700 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 03:29:09,700 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 03:29:09,701 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:29:08" (3/4) ... [2021-11-23 03:29:09,705 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-23 03:29:09,708 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 03:29:09,709 INFO L158 Benchmark]: Toolchain (without parser) took 4558.98ms. Allocated memory was 111.1MB in the beginning and 151.0MB in the end (delta: 39.8MB). Free memory was 76.0MB in the beginning and 107.9MB in the end (delta: -31.9MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. [2021-11-23 03:29:09,712 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 86.0MB. Free memory was 55.9MB in the beginning and 55.9MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 03:29:09,713 INFO L158 Benchmark]: CACSL2BoogieTranslator took 789.34ms. Allocated memory is still 111.1MB. Free memory was 75.8MB in the beginning and 69.9MB in the end (delta: 5.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 03:29:09,713 INFO L158 Benchmark]: Boogie Procedure Inliner took 129.26ms. Allocated memory is still 111.1MB. Free memory was 69.9MB in the beginning and 63.1MB in the end (delta: 6.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 03:29:09,714 INFO L158 Benchmark]: Boogie Preprocessor took 181.60ms. Allocated memory is still 111.1MB. Free memory was 63.1MB in the beginning and 56.2MB in the end (delta: 6.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 03:29:09,714 INFO L158 Benchmark]: RCFGBuilder took 1924.94ms. Allocated memory is still 111.1MB. Free memory was 56.2MB in the beginning and 45.2MB in the end (delta: 11.0MB). Peak memory consumption was 39.2MB. Max. memory is 16.1GB. [2021-11-23 03:29:09,715 INFO L158 Benchmark]: TraceAbstraction took 1515.45ms. Allocated memory was 111.1MB in the beginning and 151.0MB in the end (delta: 39.8MB). Free memory was 44.6MB in the beginning and 109.0MB in the end (delta: -64.4MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. [2021-11-23 03:29:09,715 INFO L158 Benchmark]: Witness Printer took 8.15ms. Allocated memory is still 151.0MB. Free memory was 109.0MB in the beginning and 107.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 03:29:09,720 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 86.0MB. Free memory was 55.9MB in the beginning and 55.9MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 789.34ms. Allocated memory is still 111.1MB. Free memory was 75.8MB in the beginning and 69.9MB in the end (delta: 5.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 129.26ms. Allocated memory is still 111.1MB. Free memory was 69.9MB in the beginning and 63.1MB in the end (delta: 6.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 181.60ms. Allocated memory is still 111.1MB. Free memory was 63.1MB in the beginning and 56.2MB in the end (delta: 6.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1924.94ms. Allocated memory is still 111.1MB. Free memory was 56.2MB in the beginning and 45.2MB in the end (delta: 11.0MB). Peak memory consumption was 39.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1515.45ms. Allocated memory was 111.1MB in the beginning and 151.0MB in the end (delta: 39.8MB). Free memory was 44.6MB in the beginning and 109.0MB in the end (delta: -64.4MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. * Witness Printer took 8.15ms. Allocated memory is still 151.0MB. Free memory was 109.0MB in the beginning and 107.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 631]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 72, overapproximation of someUnaryDOUBLEoperation at line 512, overapproximation of bitwiseAnd at line 606, overapproximation of someBinaryArithmeticFLOAToperation at line 611. Possible FailurePath: [L14] static const float huge_floor = 1.0e30; [L94-L96] static const float two25_scalbn = 3.355443200e+07, twom25_scalbn = 2.9802322388e-08, huge_scalbn = 1.0e+30, tiny_scalbn = 1.0e-30; [L164] static const int init_jk_krempio[] = {4, 7, 9}; [L166-L170] static const float PIo2_krempio[] = { 1.5703125000e+00, 4.5776367188e-04, 2.5987625122e-05, 7.5437128544e-08, 6.0026650317e-11, 7.3896444519e-13, 5.3845816694e-15, 5.6378512969e-18, 8.3009228831e-20, 3.2756352257e-22, 6.3331015649e-25, }; [L172-L174] static const float zero_krempio = 0.0, one_krempio = 1.0, two8_krempio = 2.5600000000e+02, twon8_krempio = 3.9062500000e-03; [L349-L367] static const __int32_t two_over_pi_rempio[] = { 0xA2, 0xF9, 0x83, 0x6E, 0x4E, 0x44, 0x15, 0x29, 0xFC, 0x27, 0x57, 0xD1, 0xF5, 0x34, 0xDD, 0xC0, 0xDB, 0x62, 0x95, 0x99, 0x3C, 0x43, 0x90, 0x41, 0xFE, 0x51, 0x63, 0xAB, 0xDE, 0xBB, 0xC5, 0x61, 0xB7, 0x24, 0x6E, 0x3A, 0x42, 0x4D, 0xD2, 0xE0, 0x06, 0x49, 0x2E, 0xEA, 0x09, 0xD1, 0x92, 0x1C, 0xFE, 0x1D, 0xEB, 0x1C, 0xB1, 0x29, 0xA7, 0x3E, 0xE8, 0x82, 0x35, 0xF5, 0x2E, 0xBB, 0x44, 0x84, 0xE9, 0x9C, 0x70, 0x26, 0xB4, 0x5F, 0x7E, 0x41, 0x39, 0x91, 0xD6, 0x39, 0x83, 0x53, 0x39, 0xF4, 0x9C, 0x84, 0x5F, 0x8B, 0xBD, 0xF9, 0x28, 0x3B, 0x1F, 0xF8, 0x97, 0xFF, 0xDE, 0x05, 0x98, 0x0F, 0xEF, 0x2F, 0x11, 0x8B, 0x5A, 0x0A, 0x6D, 0x1F, 0x6D, 0x36, 0x7E, 0xCF, 0x27, 0xCB, 0x09, 0xB7, 0x4F, 0x46, 0x3F, 0x66, 0x9E, 0x5F, 0xEA, 0x2D, 0x75, 0x27, 0xBA, 0xC7, 0xEB, 0xE5, 0xF1, 0x7B, 0x3D, 0x07, 0x39, 0xF7, 0x8A, 0x52, 0x92, 0xEA, 0x6B, 0xFB, 0x5F, 0xB1, 0x1F, 0x8D, 0x5D, 0x08, 0x56, 0x03, 0x30, 0x46, 0xFC, 0x7B, 0x6B, 0xAB, 0xF0, 0xCF, 0xBC, 0x20, 0x9A, 0xF4, 0x36, 0x1D, 0xA9, 0xE3, 0x91, 0x61, 0x5E, 0xE6, 0x1B, 0x08, 0x65, 0x99, 0x85, 0x5F, 0x14, 0xA0, 0x68, 0x40, 0x8D, 0xFF, 0xD8, 0x80, 0x4D, 0x73, 0x27, 0x31, 0x06, 0x06, 0x15, 0x56, 0xCA, 0x73, 0xA8, 0xC9, 0x60, 0xE2, 0x7B, 0xC0, 0x8C, 0x6B, }; [L369-L375] static const __int32_t npio2_hw_rempio[] = { 0x3fc90f00, 0x40490f00, 0x4096cb00, 0x40c90f00, 0x40fb5300, 0x4116cb00, 0x412fed00, 0x41490f00, 0x41623100, 0x417b5300, 0x418a3a00, 0x4196cb00, 0x41a35c00, 0x41afed00, 0x41bc7e00, 0x41c90f00, 0x41d5a000, 0x41e23100, 0x41eec200, 0x41fb5300, 0x4203f200, 0x420a3a00, 0x42108300, 0x4216cb00, 0x421d1400, 0x42235c00, 0x4229a500, 0x422fed00, 0x42363600, 0x423c7e00, 0x4242c700, 0x42490f00}; [L377-L386] static const float zero_rempio = 0.0000000000e+00, half_rempio = 5.0000000000e-01, two8_rempio = 2.5600000000e+02, invpio2_rempio = 6.3661980629e-01, pio2_1_rempio = 1.5707855225e+00, pio2_1t_rempio = 1.0804334124e-05, pio2_2_rempio = 1.0804273188e-05, pio2_2t_rempio = 6.0770999344e-11, pio2_3_rempio = 6.0770943833e-11, pio2_3t_rempio = 6.1232342629e-17; [L506-L514] static const float one_ktan = 1.0000000000e+00, pio4_ktan = 7.8539812565e-01, pio4lo_ktan = 3.7748947079e-08, T_ktan[] = { 3.3333334327e-01, 1.3333334029e-01, 5.3968254477e-02, 2.1869488060e-02, 8.8632395491e-03, 3.5920790397e-03, 1.4562094584e-03, 5.8804126456e-04, 2.4646313977e-04, 7.8179444245e-05, 7.1407252108e-05, -1.8558637748e-05, 2.5907305826e-05, }; [L626] float x = -1.0f / 0.0f; [L627] CALL, EXPR tan_float(x) [L597] float y[2], z = 0.0; [L598] __int32_t n, ix; VAL [\old(x)=1000000000000000000000000000001, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={5:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, T_ktan={8:0}, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000001, y={13:0}, z=0, zero_krempio=0, zero_rempio=0] [L601] ieee_float_shape_type gf_u; [L602] gf_u.value = (x) [L603] EXPR gf_u.word [L603] (ix) = gf_u.word [L606] ix &= 0x7fffffff VAL [\old(x)=1000000000000000000000000000001, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={5:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, T_ktan={8:0}, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000001, y={13:0}, z=0, zero_krempio=0, zero_rempio=0] [L607] COND FALSE !(ix <= 0x3f490fda) VAL [\old(x)=1000000000000000000000000000001, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, ix=2139095040, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={5:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, T_ktan={8:0}, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000001, y={13:0}, z=0, zero_krempio=0, zero_rempio=0] [L610] COND TRUE !((ix) < 0x7f800000L) [L611] return x - x; [L611] return x - x; VAL [\old(x)=1000000000000000000000000000001, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, ix=2139095040, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={5:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, T_ktan={8:0}, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000001, z=0, zero_krempio=0, zero_rempio=0] [L627] RET, EXPR tan_float(x) [L627] float res = tan_float(x); [L630] CALL, EXPR isnan_float(res) [L72] return x != x; [L630] RET, EXPR isnan_float(res) [L630] COND TRUE !isnan_float(res) [L631] reach_error() VAL [half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={5:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, res=1000000000000000000000000000002, T_ktan={8:0}, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000001, zero_krempio=0, zero_rempio=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 163 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 170 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 53 IncrementalHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 170 mSDtfsCounter, 53 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=163occurred 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, 0.3s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 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 [2021-11-23 03:29:09,778 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_befa0bad-6155-4fbc-9dcb-ac77761dbf70/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_befa0bad-6155-4fbc-9dcb-ac77761dbf70/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_befa0bad-6155-4fbc-9dcb-ac77761dbf70/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_befa0bad-6155-4fbc-9dcb-ac77761dbf70/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_befa0bad-6155-4fbc-9dcb-ac77761dbf70/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0550b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_befa0bad-6155-4fbc-9dcb-ac77761dbf70/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_befa0bad-6155-4fbc-9dcb-ac77761dbf70/bin/utaipan-EQgc7hIp5V --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 6b8c4e82653e996d3b6c79d2db05a0118f18a520369a0f7d2fb090d4048ab9c4 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 03:29:12,466 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 03:29:12,470 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 03:29:12,531 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 03:29:12,532 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 03:29:12,537 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 03:29:12,539 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 03:29:12,544 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 03:29:12,548 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 03:29:12,559 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 03:29:12,560 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 03:29:12,562 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 03:29:12,563 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 03:29:12,567 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 03:29:12,569 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 03:29:12,575 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 03:29:12,576 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 03:29:12,577 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 03:29:12,579 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 03:29:12,586 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 03:29:12,587 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 03:29:12,589 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 03:29:12,593 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 03:29:12,594 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 03:29:12,605 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 03:29:12,605 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 03:29:12,606 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 03:29:12,607 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 03:29:12,607 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 03:29:12,608 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 03:29:12,609 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 03:29:12,609 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 03:29:12,610 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 03:29:12,611 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 03:29:12,612 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 03:29:12,627 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 03:29:12,628 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 03:29:12,629 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 03:29:12,629 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 03:29:12,630 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 03:29:12,631 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 03:29:12,632 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_befa0bad-6155-4fbc-9dcb-ac77761dbf70/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-23 03:29:12,667 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 03:29:12,667 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 03:29:12,668 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 03:29:12,668 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 03:29:12,669 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 03:29:12,669 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 03:29:12,669 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 03:29:12,670 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 03:29:12,670 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 03:29:12,670 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 03:29:12,671 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 03:29:12,671 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 03:29:12,673 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 03:29:12,673 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 03:29:12,674 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 03:29:12,674 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 03:29:12,674 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 03:29:12,674 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 03:29:12,674 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 03:29:12,675 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 03:29:12,675 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 03:29:12,675 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 03:29:12,675 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 03:29:12,675 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 03:29:12,675 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 03:29:12,676 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 03:29:12,676 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 03:29:12,676 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 03:29:12,676 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 03:29:12,677 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:29:12,677 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 03:29:12,677 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 03:29:12,678 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 03:29:12,678 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 03:29:12,678 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 03:29:12,678 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 03:29:12,678 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 03:29:12,679 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 03:29:12,679 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_befa0bad-6155-4fbc-9dcb-ac77761dbf70/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_befa0bad-6155-4fbc-9dcb-ac77761dbf70/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6b8c4e82653e996d3b6c79d2db05a0118f18a520369a0f7d2fb090d4048ab9c4 [2021-11-23 03:29:13,229 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 03:29:13,266 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 03:29:13,269 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 03:29:13,271 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 03:29:13,272 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 03:29:13,273 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_befa0bad-6155-4fbc-9dcb-ac77761dbf70/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/float-newlib/float_req_bl_0550b.c [2021-11-23 03:29:13,346 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_befa0bad-6155-4fbc-9dcb-ac77761dbf70/bin/utaipan-EQgc7hIp5V/data/84a4ba352/ce5703b5fcb1415d8a7aa9eef659d545/FLAG1fd46a3e3 [2021-11-23 03:29:13,993 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 03:29:13,993 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_befa0bad-6155-4fbc-9dcb-ac77761dbf70/sv-benchmarks/c/float-newlib/float_req_bl_0550b.c [2021-11-23 03:29:14,006 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_befa0bad-6155-4fbc-9dcb-ac77761dbf70/bin/utaipan-EQgc7hIp5V/data/84a4ba352/ce5703b5fcb1415d8a7aa9eef659d545/FLAG1fd46a3e3 [2021-11-23 03:29:14,247 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_befa0bad-6155-4fbc-9dcb-ac77761dbf70/bin/utaipan-EQgc7hIp5V/data/84a4ba352/ce5703b5fcb1415d8a7aa9eef659d545 [2021-11-23 03:29:14,250 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 03:29:14,252 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 03:29:14,253 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 03:29:14,254 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 03:29:14,257 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 03:29:14,258 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:29:14" (1/1) ... [2021-11-23 03:29:14,260 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5631e5f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:14, skipping insertion in model container [2021-11-23 03:29:14,260 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:29:14" (1/1) ... [2021-11-23 03:29:14,272 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 03:29:14,366 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 03:29:14,904 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_befa0bad-6155-4fbc-9dcb-ac77761dbf70/sv-benchmarks/c/float-newlib/float_req_bl_0550b.c[15673,15686] [2021-11-23 03:29:14,907 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:29:14,954 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 03:29:15,113 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_befa0bad-6155-4fbc-9dcb-ac77761dbf70/sv-benchmarks/c/float-newlib/float_req_bl_0550b.c[15673,15686] [2021-11-23 03:29:15,114 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:29:15,181 INFO L208 MainTranslator]: Completed translation [2021-11-23 03:29:15,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:15 WrapperNode [2021-11-23 03:29:15,182 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 03:29:15,183 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 03:29:15,183 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 03:29:15,184 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 03:29:15,191 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:15" (1/1) ... [2021-11-23 03:29:15,223 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:15" (1/1) ... [2021-11-23 03:29:15,305 INFO L137 Inliner]: procedures = 30, calls = 519, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 1047 [2021-11-23 03:29:15,305 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 03:29:15,306 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 03:29:15,306 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 03:29:15,306 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 03:29:15,316 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:15" (1/1) ... [2021-11-23 03:29:15,317 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:15" (1/1) ... [2021-11-23 03:29:15,339 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:15" (1/1) ... [2021-11-23 03:29:15,339 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:15" (1/1) ... [2021-11-23 03:29:15,423 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:15" (1/1) ... [2021-11-23 03:29:15,440 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:15" (1/1) ... [2021-11-23 03:29:15,446 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:15" (1/1) ... [2021-11-23 03:29:15,458 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 03:29:15,459 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 03:29:15,459 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 03:29:15,459 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 03:29:15,460 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:15" (1/1) ... [2021-11-23 03:29:15,467 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:29:15,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_befa0bad-6155-4fbc-9dcb-ac77761dbf70/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:29:15,508 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_befa0bad-6155-4fbc-9dcb-ac77761dbf70/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 03:29:15,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_befa0bad-6155-4fbc-9dcb-ac77761dbf70/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 03:29:15,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 03:29:15,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 03:29:15,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 03:29:15,557 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 03:29:15,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2021-11-23 03:29:15,557 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2021-11-23 03:29:15,557 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2021-11-23 03:29:15,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 03:29:15,558 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_float [2021-11-23 03:29:15,558 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_float [2021-11-23 03:29:15,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2021-11-23 03:29:15,558 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2021-11-23 03:29:15,558 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2021-11-23 03:29:15,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2021-11-23 03:29:15,559 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_tanf [2021-11-23 03:29:15,559 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_tanf [2021-11-23 03:29:15,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 03:29:15,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 03:29:15,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 03:29:15,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 03:29:15,768 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 03:29:15,770 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 03:29:48,754 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 03:29:48,767 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 03:29:48,767 INFO L301 CfgBuilder]: Removed 63 assume(true) statements. [2021-11-23 03:29:48,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:29:48 BoogieIcfgContainer [2021-11-23 03:29:48,770 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 03:29:48,772 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 03:29:48,772 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 03:29:48,775 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 03:29:48,775 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:29:14" (1/3) ... [2021-11-23 03:29:48,776 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25eba538 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:29:48, skipping insertion in model container [2021-11-23 03:29:48,776 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:15" (2/3) ... [2021-11-23 03:29:48,777 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25eba538 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:29:48, skipping insertion in model container [2021-11-23 03:29:48,777 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:29:48" (3/3) ... [2021-11-23 03:29:48,778 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0550b.c [2021-11-23 03:29:48,784 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 03:29:48,784 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 03:29:48,854 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 03:29:48,860 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 [2021-11-23 03:29:48,860 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 03:29:48,884 INFO L276 IsEmpty]: Start isEmpty. Operand has 243 states, 226 states have (on average 1.668141592920354) internal successors, (377), 227 states have internal predecessors, (377), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2021-11-23 03:29:48,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 03:29:48,889 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:29:48,889 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:29:48,890 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:29:48,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:29:48,895 INFO L85 PathProgramCache]: Analyzing trace with hash 1661333739, now seen corresponding path program 1 times [2021-11-23 03:29:48,909 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 03:29:48,910 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [453174009] [2021-11-23 03:29:48,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:29:48,911 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 03:29:48,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_befa0bad-6155-4fbc-9dcb-ac77761dbf70/bin/utaipan-EQgc7hIp5V/mathsat [2021-11-23 03:29:48,917 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_befa0bad-6155-4fbc-9dcb-ac77761dbf70/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 03:29:48,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_befa0bad-6155-4fbc-9dcb-ac77761dbf70/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-23 03:29:50,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:29:50,330 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-23 03:29:50,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:29:50,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:29:50,433 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:29:50,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:29:50,518 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 03:29:50,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [453174009] [2021-11-23 03:29:50,519 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [453174009] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 03:29:50,519 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:29:50,519 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-23 03:29:50,521 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704333613] [2021-11-23 03:29:50,522 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 03:29:50,525 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-23 03:29:50,526 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 03:29:50,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-23 03:29:50,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 03:29:50,575 INFO L87 Difference]: Start difference. First operand has 243 states, 226 states have (on average 1.668141592920354) internal successors, (377), 227 states have internal predecessors, (377), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) 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) [2021-11-23 03:29:50,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:29:50,654 INFO L93 Difference]: Finished difference Result 484 states and 807 transitions. [2021-11-23 03:29:50,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 03:29:50,656 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 [2021-11-23 03:29:50,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:29:50,668 INFO L225 Difference]: With dead ends: 484 [2021-11-23 03:29:50,668 INFO L226 Difference]: Without dead ends: 240 [2021-11-23 03:29:50,675 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 [2021-11-23 03:29:50,679 INFO L933 BasicCegarLoop]: 335 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, 335 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 [2021-11-23 03:29:50,681 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 335 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 03:29:50,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2021-11-23 03:29:50,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 240. [2021-11-23 03:29:50,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 224 states have (on average 1.3839285714285714) internal successors, (310), 224 states have internal predecessors, (310), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2021-11-23 03:29:50,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 332 transitions. [2021-11-23 03:29:50,745 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 332 transitions. Word has length 10 [2021-11-23 03:29:50,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:29:50,745 INFO L470 AbstractCegarLoop]: Abstraction has 240 states and 332 transitions. [2021-11-23 03:29:50,745 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) [2021-11-23 03:29:50,746 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 332 transitions. [2021-11-23 03:29:50,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 03:29:50,747 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:29:50,747 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:29:50,791 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_befa0bad-6155-4fbc-9dcb-ac77761dbf70/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-23 03:29:50,967 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_befa0bad-6155-4fbc-9dcb-ac77761dbf70/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 [2021-11-23 03:29:50,967 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:29:50,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:29:50,968 INFO L85 PathProgramCache]: Analyzing trace with hash 1284989465, now seen corresponding path program 1 times [2021-11-23 03:29:50,969 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 03:29:50,970 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1041877104] [2021-11-23 03:29:50,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:29:50,970 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 03:29:50,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_befa0bad-6155-4fbc-9dcb-ac77761dbf70/bin/utaipan-EQgc7hIp5V/mathsat [2021-11-23 03:29:50,972 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_befa0bad-6155-4fbc-9dcb-ac77761dbf70/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 03:29:51,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_befa0bad-6155-4fbc-9dcb-ac77761dbf70/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-23 03:29:52,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:29:52,469 INFO L263 TraceCheckSpWp]: Trace formula consists of 369 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 03:29:52,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:29:53,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:29:53,254 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:29:54,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:29:54,338 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 03:29:54,339 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1041877104] [2021-11-23 03:29:54,339 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1041877104] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 03:29:54,339 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:29:54,340 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-11-23 03:29:54,340 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048308206] [2021-11-23 03:29:54,340 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 03:29:54,342 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 03:29:54,342 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 03:29:54,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 03:29:54,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-11-23 03:29:54,344 INFO L87 Difference]: Start difference. First operand 240 states and 332 transitions. Second operand has 10 states, 10 states have (on average 2.1) internal successors, (21), 10 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:29:56,878 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:29:58,698 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:30:01,175 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:30:04,112 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.79s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:30:07,237 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 03:30:09,247 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 03:30:11,969 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:30:14,256 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 03:30:17,523 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 03:30:20,278 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 03:30:22,286 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 03:30:25,337 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:30:27,343 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:30:29,525 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:30:31,195 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:30:33,432 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:30:35,444 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:30:42,000 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 03:30:43,963 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 03:30:46,667 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 03:30:50,684 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:30:52,266 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:30:55,057 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:30:57,157 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:30:59,277 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:31:02,723 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:31:06,580 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 03:31:10,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:31:10,456 INFO L93 Difference]: Finished difference Result 431 states and 598 transitions. [2021-11-23 03:31:10,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-23 03:31:10,466 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.1) internal successors, (21), 10 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-11-23 03:31:10,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:31:10,475 INFO L225 Difference]: With dead ends: 431 [2021-11-23 03:31:10,475 INFO L226 Difference]: Without dead ends: 426 [2021-11-23 03:31:10,477 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-11-23 03:31:10,478 INFO L933 BasicCegarLoop]: 279 mSDtfsCounter, 673 mSDsluCounter, 1867 mSDsCounter, 0 mSdLazyCounter, 465 mSolverCounterSat, 16 mSolverCounterUnsat, 16 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 73.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 680 SdHoareTripleChecker+Valid, 2146 SdHoareTripleChecker+Invalid, 497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 465 IncrementalHoareTripleChecker+Invalid, 16 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 75.6s IncrementalHoareTripleChecker+Time [2021-11-23 03:31:10,479 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [680 Valid, 2146 Invalid, 497 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 465 Invalid, 16 Unknown, 0 Unchecked, 75.6s Time] [2021-11-23 03:31:10,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2021-11-23 03:31:10,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 416. [2021-11-23 03:31:10,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 416 states, 387 states have (on average 1.3953488372093024) internal successors, (540), 388 states have internal predecessors, (540), 20 states have call successors, (20), 8 states have call predecessors, (20), 8 states have return successors, (22), 19 states have call predecessors, (22), 20 states have call successors, (22) [2021-11-23 03:31:10,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 582 transitions. [2021-11-23 03:31:10,567 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 582 transitions. Word has length 11 [2021-11-23 03:31:10,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:31:10,568 INFO L470 AbstractCegarLoop]: Abstraction has 416 states and 582 transitions. [2021-11-23 03:31:10,568 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.1) internal successors, (21), 10 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:31:10,568 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 582 transitions. [2021-11-23 03:31:10,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 03:31:10,570 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:31:10,571 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] [2021-11-23 03:31:10,613 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_befa0bad-6155-4fbc-9dcb-ac77761dbf70/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-23 03:31:10,780 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_befa0bad-6155-4fbc-9dcb-ac77761dbf70/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 [2021-11-23 03:31:10,781 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:31:10,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:31:10,782 INFO L85 PathProgramCache]: Analyzing trace with hash 1198255602, now seen corresponding path program 1 times [2021-11-23 03:31:10,783 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 03:31:10,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [95946061] [2021-11-23 03:31:10,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:31:10,784 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 03:31:10,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_befa0bad-6155-4fbc-9dcb-ac77761dbf70/bin/utaipan-EQgc7hIp5V/mathsat [2021-11-23 03:31:10,785 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_befa0bad-6155-4fbc-9dcb-ac77761dbf70/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 03:31:10,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_befa0bad-6155-4fbc-9dcb-ac77761dbf70/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-23 03:31:13,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:31:13,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-23 03:31:13,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:31:14,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:31:14,417 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:31:15,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:31:15,006 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 03:31:15,007 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [95946061] [2021-11-23 03:31:15,007 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [95946061] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 03:31:15,007 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:31:15,007 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-23 03:31:15,007 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208834668] [2021-11-23 03:31:15,007 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 03:31:15,008 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-23 03:31:15,008 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 03:31:15,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-23 03:31:15,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-11-23 03:31:15,009 INFO L87 Difference]: Start difference. First operand 416 states and 582 transitions. Second operand has 8 states, 8 states have (on average 4.25) internal successors, (34), 8 states have internal predecessors, (34), 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) [2021-11-23 03:31:15,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:31:15,063 INFO L93 Difference]: Finished difference Result 460 states and 631 transitions. [2021-11-23 03:31:15,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 03:31:15,065 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.25) internal successors, (34), 8 states have internal predecessors, (34), 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 22 [2021-11-23 03:31:15,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:31:15,069 INFO L225 Difference]: With dead ends: 460 [2021-11-23 03:31:15,069 INFO L226 Difference]: Without dead ends: 414 [2021-11-23 03:31:15,071 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-11-23 03:31:15,072 INFO L933 BasicCegarLoop]: 324 mSDtfsCounter, 0 mSDsluCounter, 965 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1289 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 6 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 03:31:15,073 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 1289 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 6 Unchecked, 0.0s Time] [2021-11-23 03:31:15,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2021-11-23 03:31:15,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 414. [2021-11-23 03:31:15,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 414 states, 386 states have (on average 1.3937823834196892) internal successors, (538), 387 states have internal predecessors, (538), 19 states have call successors, (19), 8 states have call predecessors, (19), 8 states have return successors, (20), 18 states have call predecessors, (20), 19 states have call successors, (20) [2021-11-23 03:31:15,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 577 transitions. [2021-11-23 03:31:15,110 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 577 transitions. Word has length 22 [2021-11-23 03:31:15,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:31:15,110 INFO L470 AbstractCegarLoop]: Abstraction has 414 states and 577 transitions. [2021-11-23 03:31:15,110 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.25) internal successors, (34), 8 states have internal predecessors, (34), 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) [2021-11-23 03:31:15,111 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 577 transitions. [2021-11-23 03:31:15,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 03:31:15,112 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:31:15,112 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, 1, 1, 1, 1, 1] [2021-11-23 03:31:15,188 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_befa0bad-6155-4fbc-9dcb-ac77761dbf70/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-23 03:31:15,335 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_befa0bad-6155-4fbc-9dcb-ac77761dbf70/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 [2021-11-23 03:31:15,335 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:31:15,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:31:15,336 INFO L85 PathProgramCache]: Analyzing trace with hash 1304362496, now seen corresponding path program 1 times [2021-11-23 03:31:15,337 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 03:31:15,337 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [292985089] [2021-11-23 03:31:15,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:31:15,337 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 03:31:15,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_befa0bad-6155-4fbc-9dcb-ac77761dbf70/bin/utaipan-EQgc7hIp5V/mathsat [2021-11-23 03:31:15,338 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_befa0bad-6155-4fbc-9dcb-ac77761dbf70/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 03:31:15,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_befa0bad-6155-4fbc-9dcb-ac77761dbf70/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-23 03:31:18,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:31:18,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-23 03:31:18,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:31:19,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:31:19,487 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:31:20,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:31:20,158 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 03:31:20,159 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [292985089] [2021-11-23 03:31:20,159 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [292985089] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 03:31:20,159 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:31:20,159 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-23 03:31:20,159 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032018588] [2021-11-23 03:31:20,159 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 03:31:20,160 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-23 03:31:20,160 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 03:31:20,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-23 03:31:20,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-11-23 03:31:20,161 INFO L87 Difference]: Start difference. First operand 414 states and 577 transitions. Second operand has 8 states, 8 states have (on average 5.125) internal successors, (41), 8 states have internal predecessors, (41), 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) [2021-11-23 03:31:20,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:31:20,185 INFO L93 Difference]: Finished difference Result 414 states and 577 transitions. [2021-11-23 03:31:20,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 03:31:20,187 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.125) internal successors, (41), 8 states have internal predecessors, (41), 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 28 [2021-11-23 03:31:20,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:31:20,187 INFO L225 Difference]: With dead ends: 414 [2021-11-23 03:31:20,187 INFO L226 Difference]: Without dead ends: 0 [2021-11-23 03:31:20,189 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-11-23 03:31:20,191 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 0 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 5 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 03:31:20,191 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 12 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 5 Unchecked, 0.0s Time] [2021-11-23 03:31:20,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-23 03:31:20,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-23 03:31:20,192 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) [2021-11-23 03:31:20,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-23 03:31:20,193 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2021-11-23 03:31:20,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:31:20,193 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-23 03:31:20,193 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.125) internal successors, (41), 8 states have internal predecessors, (41), 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) [2021-11-23 03:31:20,194 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-23 03:31:20,194 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 03:31:20,196 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-23 03:31:20,264 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_befa0bad-6155-4fbc-9dcb-ac77761dbf70/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-23 03:31:20,419 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_befa0bad-6155-4fbc-9dcb-ac77761dbf70/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 [2021-11-23 03:31:20,421 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-23 03:31:21,041 INFO L858 garLoopResultBuilder]: For program point copysign_floatEXIT(lines 74 92) no Hoare annotation was computed. [2021-11-23 03:31:21,041 INFO L858 garLoopResultBuilder]: For program point L81(lines 81 85) no Hoare annotation was computed. [2021-11-23 03:31:21,041 INFO L858 garLoopResultBuilder]: For program point L81-1(lines 74 92) no Hoare annotation was computed. [2021-11-23 03:31:21,042 INFO L858 garLoopResultBuilder]: For program point L86(lines 86 90) no Hoare annotation was computed. [2021-11-23 03:31:21,042 INFO L858 garLoopResultBuilder]: For program point L86-1(lines 74 92) no Hoare annotation was computed. [2021-11-23 03:31:21,042 INFO L861 garLoopResultBuilder]: At program point copysign_floatENTRY(lines 74 92) the Hoare annotation is: true [2021-11-23 03:31:21,042 INFO L858 garLoopResultBuilder]: For program point L86-2(lines 86 90) no Hoare annotation was computed. [2021-11-23 03:31:21,042 INFO L858 garLoopResultBuilder]: For program point L76-1(lines 76 80) no Hoare annotation was computed. [2021-11-23 03:31:21,042 INFO L861 garLoopResultBuilder]: At program point L76-2(lines 76 80) the Hoare annotation is: true [2021-11-23 03:31:21,042 INFO L858 garLoopResultBuilder]: For program point copysign_floatFINAL(lines 74 92) no Hoare annotation was computed. [2021-11-23 03:31:21,042 INFO L858 garLoopResultBuilder]: For program point L527(lines 527 530) no Hoare annotation was computed. [2021-11-23 03:31:21,043 INFO L858 garLoopResultBuilder]: For program point __kernel_tanfFINAL(lines 516 594) no Hoare annotation was computed. [2021-11-23 03:31:21,043 INFO L858 garLoopResultBuilder]: For program point L519-1(lines 519 523) no Hoare annotation was computed. [2021-11-23 03:31:21,043 INFO L861 garLoopResultBuilder]: At program point L519-2(lines 519 523) the Hoare annotation is: true [2021-11-23 03:31:21,043 INFO L858 garLoopResultBuilder]: For program point L519-3(lines 519 523) no Hoare annotation was computed. [2021-11-23 03:31:21,043 INFO L858 garLoopResultBuilder]: For program point L581-1(lines 581 585) no Hoare annotation was computed. [2021-11-23 03:31:21,044 INFO L861 garLoopResultBuilder]: At program point L581-2(lines 581 585) the Hoare annotation is: true [2021-11-23 03:31:21,044 INFO L858 garLoopResultBuilder]: For program point L569-1(lines 569 573) no Hoare annotation was computed. [2021-11-23 03:31:21,044 INFO L861 garLoopResultBuilder]: At program point L569-2(lines 569 573) the Hoare annotation is: true [2021-11-23 03:31:21,044 INFO L861 garLoopResultBuilder]: At program point L528(line 528) the Hoare annotation is: true [2021-11-23 03:31:21,044 INFO L858 garLoopResultBuilder]: For program point __kernel_tanfEXIT(lines 516 594) no Hoare annotation was computed. [2021-11-23 03:31:21,045 INFO L858 garLoopResultBuilder]: For program point L528-1(line 528) no Hoare annotation was computed. [2021-11-23 03:31:21,045 INFO L858 garLoopResultBuilder]: For program point L557(lines 557 561) no Hoare annotation was computed. [2021-11-23 03:31:21,045 INFO L861 garLoopResultBuilder]: At program point __kernel_tanfENTRY(lines 516 594) the Hoare annotation is: true [2021-11-23 03:31:21,045 INFO L858 garLoopResultBuilder]: For program point L586(lines 586 590) no Hoare annotation was computed. [2021-11-23 03:31:21,045 INFO L858 garLoopResultBuilder]: For program point L586-1(lines 564 593) no Hoare annotation was computed. [2021-11-23 03:31:21,046 INFO L858 garLoopResultBuilder]: For program point L586-2(lines 586 590) no Hoare annotation was computed. [2021-11-23 03:31:21,046 INFO L858 garLoopResultBuilder]: For program point L574(lines 574 578) no Hoare annotation was computed. [2021-11-23 03:31:21,046 INFO L858 garLoopResultBuilder]: For program point L574-1(lines 564 593) no Hoare annotation was computed. [2021-11-23 03:31:21,046 INFO L858 garLoopResultBuilder]: For program point L574-2(lines 574 578) no Hoare annotation was computed. [2021-11-23 03:31:21,047 INFO L858 garLoopResultBuilder]: For program point L533-1(lines 533 542) no Hoare annotation was computed. [2021-11-23 03:31:21,047 INFO L858 garLoopResultBuilder]: For program point L562(lines 562 593) no Hoare annotation was computed. [2021-11-23 03:31:21,047 INFO L858 garLoopResultBuilder]: For program point L525(lines 525 532) no Hoare annotation was computed. [2021-11-23 03:31:21,047 INFO L858 garLoopResultBuilder]: For program point L525-2(lines 516 594) no Hoare annotation was computed. [2021-11-23 03:31:21,047 INFO L858 garLoopResultBuilder]: For program point L534(lines 534 537) no Hoare annotation was computed. [2021-11-23 03:31:21,048 INFO L858 garLoopResultBuilder]: For program point L534-2(lines 534 537) no Hoare annotation was computed. [2021-11-23 03:31:21,048 INFO L858 garLoopResultBuilder]: For program point L530(line 530) no Hoare annotation was computed. [2021-11-23 03:31:21,048 INFO L858 garLoopResultBuilder]: For program point L530-2(line 530) no Hoare annotation was computed. [2021-11-23 03:31:21,048 INFO L858 garLoopResultBuilder]: For program point L526(lines 526 531) no Hoare annotation was computed. [2021-11-23 03:31:21,048 INFO L858 garLoopResultBuilder]: For program point fabs_floatFINAL(lines 149 162) no Hoare annotation was computed. [2021-11-23 03:31:21,048 INFO L858 garLoopResultBuilder]: For program point L156(lines 156 160) no Hoare annotation was computed. [2021-11-23 03:31:21,049 INFO L858 garLoopResultBuilder]: For program point L156-1(lines 149 162) no Hoare annotation was computed. [2021-11-23 03:31:21,049 INFO L858 garLoopResultBuilder]: For program point L156-2(lines 156 160) no Hoare annotation was computed. [2021-11-23 03:31:21,049 INFO L858 garLoopResultBuilder]: For program point fabs_floatEXIT(lines 149 162) no Hoare annotation was computed. [2021-11-23 03:31:21,049 INFO L861 garLoopResultBuilder]: At program point fabs_floatENTRY(lines 149 162) the Hoare annotation is: true [2021-11-23 03:31:21,049 INFO L858 garLoopResultBuilder]: For program point L151-1(lines 151 155) no Hoare annotation was computed. [2021-11-23 03:31:21,050 INFO L861 garLoopResultBuilder]: At program point L151-2(lines 151 155) the Hoare annotation is: true [2021-11-23 03:31:21,050 INFO L858 garLoopResultBuilder]: For program point L630(lines 630 633) no Hoare annotation was computed. [2021-11-23 03:31:21,050 INFO L858 garLoopResultBuilder]: For program point L498(lines 498 502) no Hoare annotation was computed. [2021-11-23 03:31:21,050 INFO L858 garLoopResultBuilder]: For program point L300-2(lines 300 301) no Hoare annotation was computed. [2021-11-23 03:31:21,050 INFO L854 garLoopResultBuilder]: At program point L300-3(lines 300 301) the Hoare annotation is: false [2021-11-23 03:31:21,051 INFO L858 garLoopResultBuilder]: For program point L300-4(lines 300 301) no Hoare annotation was computed. [2021-11-23 03:31:21,051 INFO L858 garLoopResultBuilder]: For program point L631(line 631) no Hoare annotation was computed. [2021-11-23 03:31:21,051 INFO L858 garLoopResultBuilder]: For program point L400(lines 400 404) no Hoare annotation was computed. [2021-11-23 03:31:21,051 INFO L858 garLoopResultBuilder]: For program point L334-2(lines 334 335) no Hoare annotation was computed. [2021-11-23 03:31:21,051 INFO L854 garLoopResultBuilder]: At program point L334-3(lines 334 335) the Hoare annotation is: false [2021-11-23 03:31:21,051 INFO L858 garLoopResultBuilder]: For program point L334-4(lines 305 345) no Hoare annotation was computed. [2021-11-23 03:31:21,052 INFO L858 garLoopResultBuilder]: For program point L37(lines 37 38) no Hoare annotation was computed. [2021-11-23 03:31:21,052 INFO L858 garLoopResultBuilder]: For program point L600-1(lines 600 604) no Hoare annotation was computed. [2021-11-23 03:31:21,052 INFO L854 garLoopResultBuilder]: At program point L600-2(lines 600 604) the Hoare annotation is: (and (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) |ULTIMATE.start_tan_float_~x#1|) (= currentRoundingMode roundNearestTiesToEven)) [2021-11-23 03:31:21,052 INFO L858 garLoopResultBuilder]: For program point L600-3(lines 600 604) no Hoare annotation was computed. [2021-11-23 03:31:21,052 INFO L854 garLoopResultBuilder]: At program point L270(lines 177 347) the Hoare annotation is: false [2021-11-23 03:31:21,052 INFO L858 garLoopResultBuilder]: For program point L204-2(lines 204 208) no Hoare annotation was computed. [2021-11-23 03:31:21,053 INFO L854 garLoopResultBuilder]: At program point L204-3(lines 204 208) the Hoare annotation is: false [2021-11-23 03:31:21,053 INFO L854 garLoopResultBuilder]: At program point L204-4(lines 204 208) the Hoare annotation is: false [2021-11-23 03:31:21,053 INFO L854 garLoopResultBuilder]: At program point L72(line 72) the Hoare annotation is: (and (= |ULTIMATE.start_tan_float_#res#1| (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24)))) (fp.sub roundNearestTiesToEven .cse0 .cse0))) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) |ULTIMATE.start_tan_float_~x#1|) (= currentRoundingMode roundNearestTiesToEven) (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res#1|)) [2021-11-23 03:31:21,053 INFO L858 garLoopResultBuilder]: For program point L39(lines 39 43) no Hoare annotation was computed. [2021-11-23 03:31:21,053 INFO L858 garLoopResultBuilder]: For program point L436(line 436) no Hoare annotation was computed. [2021-11-23 03:31:21,053 INFO L858 garLoopResultBuilder]: For program point L436-2(lines 436 468) no Hoare annotation was computed. [2021-11-23 03:31:21,054 INFO L858 garLoopResultBuilder]: For program point L238-1(lines 225 253) no Hoare annotation was computed. [2021-11-23 03:31:21,054 INFO L858 garLoopResultBuilder]: For program point L40(lines 40 41) no Hoare annotation was computed. [2021-11-23 03:31:21,054 INFO L858 garLoopResultBuilder]: For program point L40-2(lines 40 41) no Hoare annotation was computed. [2021-11-23 03:31:21,054 INFO L861 garLoopResultBuilder]: At program point L635(lines 619 636) the Hoare annotation is: true [2021-11-23 03:31:21,054 INFO L854 garLoopResultBuilder]: At program point L503(lines 388 504) the Hoare annotation is: false [2021-11-23 03:31:21,055 INFO L858 garLoopResultBuilder]: For program point L470(lines 470 475) no Hoare annotation was computed. [2021-11-23 03:31:21,055 INFO L854 garLoopResultBuilder]: At program point L305(lines 305 345) the Hoare annotation is: false [2021-11-23 03:31:21,055 INFO L854 garLoopResultBuilder]: At program point L239(lines 239 246) the Hoare annotation is: false [2021-11-23 03:31:21,055 INFO L858 garLoopResultBuilder]: For program point L405(lines 405 429) no Hoare annotation was computed. [2021-11-23 03:31:21,055 INFO L858 garLoopResultBuilder]: For program point L306(line 306) no Hoare annotation was computed. [2021-11-23 03:31:21,055 INFO L858 garLoopResultBuilder]: For program point L240(line 240) no Hoare annotation was computed. [2021-11-23 03:31:21,055 INFO L858 garLoopResultBuilder]: For program point L406(lines 406 428) no Hoare annotation was computed. [2021-11-23 03:31:21,055 INFO L858 garLoopResultBuilder]: For program point L308-2(lines 308 309) no Hoare annotation was computed. [2021-11-23 03:31:21,055 INFO L854 garLoopResultBuilder]: At program point L308-3(lines 308 309) the Hoare annotation is: false [2021-11-23 03:31:21,055 INFO L858 garLoopResultBuilder]: For program point L308-4(lines 305 345) no Hoare annotation was computed. [2021-11-23 03:31:21,055 INFO L858 garLoopResultBuilder]: For program point L408(lines 408 415) no Hoare annotation was computed. [2021-11-23 03:31:21,056 INFO L858 garLoopResultBuilder]: For program point L408-2(lines 408 415) no Hoare annotation was computed. [2021-11-23 03:31:21,056 INFO L858 garLoopResultBuilder]: For program point L243(line 243) no Hoare annotation was computed. [2021-11-23 03:31:21,056 INFO L858 garLoopResultBuilder]: For program point L210(line 210) no Hoare annotation was computed. [2021-11-23 03:31:21,056 INFO L858 garLoopResultBuilder]: For program point L607(lines 607 616) no Hoare annotation was computed. [2021-11-23 03:31:21,056 INFO L858 garLoopResultBuilder]: For program point L442-1(lines 442 446) no Hoare annotation was computed. [2021-11-23 03:31:21,056 INFO L854 garLoopResultBuilder]: At program point L442-2(lines 442 446) the Hoare annotation is: false [2021-11-23 03:31:21,057 INFO L858 garLoopResultBuilder]: For program point L442-3(lines 442 446) no Hoare annotation was computed. [2021-11-23 03:31:21,057 INFO L858 garLoopResultBuilder]: For program point L310-1(line 310) no Hoare annotation was computed. [2021-11-23 03:31:21,057 INFO L858 garLoopResultBuilder]: For program point L277-1(lines 277 280) no Hoare annotation was computed. [2021-11-23 03:31:21,057 INFO L854 garLoopResultBuilder]: At program point L277-3(lines 277 280) the Hoare annotation is: false [2021-11-23 03:31:21,057 INFO L858 garLoopResultBuilder]: For program point L46(lines 46 49) no Hoare annotation was computed. [2021-11-23 03:31:21,057 INFO L854 garLoopResultBuilder]: At program point L608(line 608) the Hoare annotation is: false [2021-11-23 03:31:21,058 INFO L858 garLoopResultBuilder]: For program point L608-1(line 608) no Hoare annotation was computed. [2021-11-23 03:31:21,058 INFO L858 garLoopResultBuilder]: For program point L312(line 312) no Hoare annotation was computed. [2021-11-23 03:31:21,058 INFO L858 garLoopResultBuilder]: For program point L312-2(line 312) no Hoare annotation was computed. [2021-11-23 03:31:21,058 INFO L858 garLoopResultBuilder]: For program point L610(lines 610 616) no Hoare annotation was computed. [2021-11-23 03:31:21,058 INFO L858 garLoopResultBuilder]: For program point L478(lines 478 481) no Hoare annotation was computed. [2021-11-23 03:31:21,058 INFO L854 garLoopResultBuilder]: At program point L346(lines 176 347) the Hoare annotation is: false [2021-11-23 03:31:21,059 INFO L858 garLoopResultBuilder]: For program point L313(line 313) no Hoare annotation was computed. [2021-11-23 03:31:21,059 INFO L858 garLoopResultBuilder]: For program point L215(lines 215 223) no Hoare annotation was computed. [2021-11-23 03:31:21,059 INFO L854 garLoopResultBuilder]: At program point L282(line 282) the Hoare annotation is: false [2021-11-23 03:31:21,059 INFO L858 garLoopResultBuilder]: For program point L282-1(line 282) no Hoare annotation was computed. [2021-11-23 03:31:21,059 INFO L858 garLoopResultBuilder]: For program point L315-2(lines 315 316) no Hoare annotation was computed. [2021-11-23 03:31:21,059 INFO L854 garLoopResultBuilder]: At program point L315-3(lines 315 316) the Hoare annotation is: false [2021-11-23 03:31:21,060 INFO L858 garLoopResultBuilder]: For program point L315-4(lines 305 345) no Hoare annotation was computed. [2021-11-23 03:31:21,060 INFO L858 garLoopResultBuilder]: For program point L51(lines 51 55) no Hoare annotation was computed. [2021-11-23 03:31:21,060 INFO L858 garLoopResultBuilder]: For program point L51-1(lines 16 57) no Hoare annotation was computed. [2021-11-23 03:31:21,060 INFO L858 garLoopResultBuilder]: For program point L51-2(lines 51 55) no Hoare annotation was computed. [2021-11-23 03:31:21,060 INFO L858 garLoopResultBuilder]: For program point L448(lines 448 467) no Hoare annotation was computed. [2021-11-23 03:31:21,060 INFO L858 garLoopResultBuilder]: For program point L448-1(lines 436 468) no Hoare annotation was computed. [2021-11-23 03:31:21,060 INFO L858 garLoopResultBuilder]: For program point L283(lines 283 290) no Hoare annotation was computed. [2021-11-23 03:31:21,061 INFO L858 garLoopResultBuilder]: For program point L250(lines 250 251) no Hoare annotation was computed. [2021-11-23 03:31:21,061 INFO L854 garLoopResultBuilder]: At program point L283-2(lines 274 291) the Hoare annotation is: false [2021-11-23 03:31:21,061 INFO L858 garLoopResultBuilder]: For program point L19-1(lines 19 23) no Hoare annotation was computed. [2021-11-23 03:31:21,061 INFO L854 garLoopResultBuilder]: At program point L19-2(lines 19 23) the Hoare annotation is: false [2021-11-23 03:31:21,061 INFO L858 garLoopResultBuilder]: For program point L19-3(lines 19 23) no Hoare annotation was computed. [2021-11-23 03:31:21,061 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-23 03:31:21,062 INFO L858 garLoopResultBuilder]: For program point L317-1(line 317) no Hoare annotation was computed. [2021-11-23 03:31:21,062 INFO L854 garLoopResultBuilder]: At program point L251(line 251) the Hoare annotation is: false [2021-11-23 03:31:21,062 INFO L858 garLoopResultBuilder]: For program point L251-1(line 251) no Hoare annotation was computed. [2021-11-23 03:31:21,062 INFO L854 garLoopResultBuilder]: At program point L615(line 615) the Hoare annotation is: false [2021-11-23 03:31:21,062 INFO L858 garLoopResultBuilder]: For program point L615-1(line 615) no Hoare annotation was computed. [2021-11-23 03:31:21,062 INFO L854 garLoopResultBuilder]: At program point L615-2(lines 596 617) the Hoare annotation is: (and (= |ULTIMATE.start_tan_float_#res#1| (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24)))) (fp.sub roundNearestTiesToEven .cse0 .cse0))) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) |ULTIMATE.start_tan_float_~x#1|) (= currentRoundingMode roundNearestTiesToEven)) [2021-11-23 03:31:21,063 INFO L858 garLoopResultBuilder]: For program point L186(lines 186 187) no Hoare annotation was computed. [2021-11-23 03:31:21,063 INFO L858 garLoopResultBuilder]: For program point L186-2(lines 186 187) no Hoare annotation was computed. [2021-11-23 03:31:21,063 INFO L858 garLoopResultBuilder]: For program point L484-1(lines 484 488) no Hoare annotation was computed. [2021-11-23 03:31:21,063 INFO L854 garLoopResultBuilder]: At program point L484-2(lines 484 488) the Hoare annotation is: false [2021-11-23 03:31:21,063 INFO L858 garLoopResultBuilder]: For program point L484-3(lines 484 488) no Hoare annotation was computed. [2021-11-23 03:31:21,063 INFO L858 garLoopResultBuilder]: For program point L319-2(lines 319 320) no Hoare annotation was computed. [2021-11-23 03:31:21,063 INFO L858 garLoopResultBuilder]: For program point L220(lines 220 223) no Hoare annotation was computed. [2021-11-23 03:31:21,063 INFO L854 garLoopResultBuilder]: At program point L319-3(lines 319 320) the Hoare annotation is: false [2021-11-23 03:31:21,064 INFO L858 garLoopResultBuilder]: For program point L319-4(lines 305 345) no Hoare annotation was computed. [2021-11-23 03:31:21,064 INFO L858 garLoopResultBuilder]: For program point L419(lines 419 426) no Hoare annotation was computed. [2021-11-23 03:31:21,064 INFO L858 garLoopResultBuilder]: For program point L419-2(lines 419 426) no Hoare annotation was computed. [2021-11-23 03:31:21,064 INFO L854 garLoopResultBuilder]: At program point L56(lines 16 57) the Hoare annotation is: false [2021-11-23 03:31:21,064 INFO L858 garLoopResultBuilder]: For program point L321-1(line 321) no Hoare annotation was computed. [2021-11-23 03:31:21,064 INFO L858 garLoopResultBuilder]: For program point L222(lines 222 223) no Hoare annotation was computed. [2021-11-23 03:31:21,064 INFO L858 garLoopResultBuilder]: For program point L255-1(lines 177 347) no Hoare annotation was computed. [2021-11-23 03:31:21,065 INFO L858 garLoopResultBuilder]: For program point L222-2(lines 177 347) no Hoare annotation was computed. [2021-11-23 03:31:21,065 INFO L858 garLoopResultBuilder]: For program point L454-1(lines 454 458) no Hoare annotation was computed. [2021-11-23 03:31:21,065 INFO L854 garLoopResultBuilder]: At program point L454-2(lines 454 458) the Hoare annotation is: false [2021-11-23 03:31:21,065 INFO L858 garLoopResultBuilder]: For program point L454-3(lines 454 458) no Hoare annotation was computed. [2021-11-23 03:31:21,065 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-23 03:31:21,065 INFO L858 garLoopResultBuilder]: For program point L323(line 323) no Hoare annotation was computed. [2021-11-23 03:31:21,065 INFO L858 garLoopResultBuilder]: For program point L257-2(lines 257 258) no Hoare annotation was computed. [2021-11-23 03:31:21,066 INFO L854 garLoopResultBuilder]: At program point L257-3(lines 257 258) the Hoare annotation is: false [2021-11-23 03:31:21,066 INFO L858 garLoopResultBuilder]: For program point L257-4(lines 255 272) no Hoare annotation was computed. [2021-11-23 03:31:21,066 INFO L858 garLoopResultBuilder]: For program point L26(lines 26 50) no Hoare annotation was computed. [2021-11-23 03:31:21,066 INFO L858 garLoopResultBuilder]: For program point L489-2(lines 489 492) no Hoare annotation was computed. [2021-11-23 03:31:21,066 INFO L854 garLoopResultBuilder]: At program point L489-3(lines 489 492) the Hoare annotation is: false [2021-11-23 03:31:21,066 INFO L858 garLoopResultBuilder]: For program point L489-4(lines 489 492) no Hoare annotation was computed. [2021-11-23 03:31:21,067 INFO L858 garLoopResultBuilder]: For program point L324-2(lines 324 328) no Hoare annotation was computed. [2021-11-23 03:31:21,067 INFO L858 garLoopResultBuilder]: For program point L225(lines 177 347) no Hoare annotation was computed. [2021-11-23 03:31:21,067 INFO L854 garLoopResultBuilder]: At program point L324-3(lines 324 328) the Hoare annotation is: false [2021-11-23 03:31:21,067 INFO L858 garLoopResultBuilder]: For program point L324-4(lines 324 328) no Hoare annotation was computed. [2021-11-23 03:31:21,067 INFO L858 garLoopResultBuilder]: For program point L192-2(lines 192 193) no Hoare annotation was computed. [2021-11-23 03:31:21,067 INFO L854 garLoopResultBuilder]: At program point L192-3(lines 192 193) the Hoare annotation is: false [2021-11-23 03:31:21,067 INFO L858 garLoopResultBuilder]: For program point L192-4(lines 192 193) no Hoare annotation was computed. [2021-11-23 03:31:21,067 INFO L858 garLoopResultBuilder]: For program point L27(lines 27 44) no Hoare annotation was computed. [2021-11-23 03:31:21,067 INFO L858 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2021-11-23 03:31:21,067 INFO L858 garLoopResultBuilder]: For program point L193-2(line 193) no Hoare annotation was computed. [2021-11-23 03:31:21,068 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-23 03:31:21,068 INFO L858 garLoopResultBuilder]: For program point L28(lines 28 34) no Hoare annotation was computed. [2021-11-23 03:31:21,068 INFO L858 garLoopResultBuilder]: For program point L293(line 293) no Hoare annotation was computed. [2021-11-23 03:31:21,068 INFO L858 garLoopResultBuilder]: For program point L260-1(lines 260 261) no Hoare annotation was computed. [2021-11-23 03:31:21,068 INFO L858 garLoopResultBuilder]: For program point L260-3(lines 260 261) no Hoare annotation was computed. [2021-11-23 03:31:21,068 INFO L854 garLoopResultBuilder]: At program point L260-4(lines 260 261) the Hoare annotation is: false [2021-11-23 03:31:21,068 INFO L858 garLoopResultBuilder]: For program point L260-5(lines 260 261) no Hoare annotation was computed. [2021-11-23 03:31:21,068 INFO L858 garLoopResultBuilder]: For program point L29(lines 29 33) no Hoare annotation was computed. [2021-11-23 03:31:21,068 INFO L858 garLoopResultBuilder]: For program point L294-2(lines 294 297) no Hoare annotation was computed. [2021-11-23 03:31:21,068 INFO L854 garLoopResultBuilder]: At program point L294-3(lines 294 297) the Hoare annotation is: false [2021-11-23 03:31:21,068 INFO L858 garLoopResultBuilder]: For program point L228-2(lines 228 237) no Hoare annotation was computed. [2021-11-23 03:31:21,068 INFO L858 garLoopResultBuilder]: For program point L294-4(lines 294 297) no Hoare annotation was computed. [2021-11-23 03:31:21,068 INFO L858 garLoopResultBuilder]: For program point L195-2(lines 195 199) no Hoare annotation was computed. [2021-11-23 03:31:21,068 INFO L854 garLoopResultBuilder]: At program point L228-3(lines 228 237) the Hoare annotation is: false [2021-11-23 03:31:21,069 INFO L854 garLoopResultBuilder]: At program point L195-3(lines 195 199) the Hoare annotation is: false [2021-11-23 03:31:21,069 INFO L858 garLoopResultBuilder]: For program point L228-4(lines 225 253) no Hoare annotation was computed. [2021-11-23 03:31:21,069 INFO L858 garLoopResultBuilder]: For program point L195-4(lines 195 199) no Hoare annotation was computed. [2021-11-23 03:31:21,069 INFO L858 garLoopResultBuilder]: For program point L460(lines 460 466) no Hoare annotation was computed. [2021-11-23 03:31:21,069 INFO L858 garLoopResultBuilder]: For program point L394-1(lines 394 398) no Hoare annotation was computed. [2021-11-23 03:31:21,069 INFO L854 garLoopResultBuilder]: At program point L394-2(lines 394 398) the Hoare annotation is: false [2021-11-23 03:31:21,069 INFO L858 garLoopResultBuilder]: For program point L394-3(lines 394 398) no Hoare annotation was computed. [2021-11-23 03:31:21,069 INFO L858 garLoopResultBuilder]: For program point L196-2(lines 196 197) no Hoare annotation was computed. [2021-11-23 03:31:21,069 INFO L854 garLoopResultBuilder]: At program point L196-3(lines 196 197) the Hoare annotation is: false [2021-11-23 03:31:21,069 INFO L858 garLoopResultBuilder]: For program point L196-4(lines 196 197) no Hoare annotation was computed. [2021-11-23 03:31:21,069 INFO L858 garLoopResultBuilder]: For program point L31(lines 31 33) no Hoare annotation was computed. [2021-11-23 03:31:21,069 INFO L858 garLoopResultBuilder]: For program point L329-2(lines 329 333) no Hoare annotation was computed. [2021-11-23 03:31:21,069 INFO L858 garLoopResultBuilder]: For program point L230(lines 230 236) no Hoare annotation was computed. [2021-11-23 03:31:21,069 INFO L854 garLoopResultBuilder]: At program point L329-3(lines 329 333) the Hoare annotation is: false [2021-11-23 03:31:21,070 INFO L858 garLoopResultBuilder]: For program point L263-2(lines 263 268) no Hoare annotation was computed. [2021-11-23 03:31:21,070 INFO L858 garLoopResultBuilder]: For program point L329-4(lines 329 333) no Hoare annotation was computed. [2021-11-23 03:31:21,070 INFO L854 garLoopResultBuilder]: At program point L263-3(lines 263 268) the Hoare annotation is: false [2021-11-23 03:31:21,070 INFO L858 garLoopResultBuilder]: For program point L263-4(lines 263 268) no Hoare annotation was computed. [2021-11-23 03:31:21,070 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-23 03:31:21,070 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 631) no Hoare annotation was computed. [2021-11-23 03:31:21,070 INFO L858 garLoopResultBuilder]: For program point L495-1(lines 495 496) no Hoare annotation was computed. [2021-11-23 03:31:21,070 INFO L854 garLoopResultBuilder]: At program point L495-3(lines 495 496) the Hoare annotation is: false [2021-11-23 03:31:21,070 INFO L858 garLoopResultBuilder]: For program point L495-4(lines 495 496) no Hoare annotation was computed. [2021-11-23 03:31:21,071 INFO L858 garLoopResultBuilder]: For program point L231(lines 231 234) no Hoare annotation was computed. [2021-11-23 03:31:21,071 INFO L858 garLoopResultBuilder]: For program point L430(lines 430 476) no Hoare annotation was computed. [2021-11-23 03:31:21,071 INFO L858 garLoopResultBuilder]: For program point L265-2(lines 265 266) no Hoare annotation was computed. [2021-11-23 03:31:21,071 INFO L854 garLoopResultBuilder]: At program point L265-3(lines 265 266) the Hoare annotation is: false [2021-11-23 03:31:21,071 INFO L858 garLoopResultBuilder]: For program point L265-4(lines 265 266) no Hoare annotation was computed. [2021-11-23 03:31:21,071 INFO L854 garLoopResultBuilder]: At program point L431(line 431) the Hoare annotation is: false [2021-11-23 03:31:21,071 INFO L858 garLoopResultBuilder]: For program point L431-1(line 431) no Hoare annotation was computed. [2021-11-23 03:31:21,071 INFO L858 garLoopResultBuilder]: For program point L299-2(lines 299 303) no Hoare annotation was computed. [2021-11-23 03:31:21,071 INFO L854 garLoopResultBuilder]: At program point L299-3(lines 299 303) the Hoare annotation is: false [2021-11-23 03:31:21,071 INFO L858 garLoopResultBuilder]: For program point L299-4(lines 299 303) no Hoare annotation was computed. [2021-11-23 03:31:21,071 INFO L861 garLoopResultBuilder]: At program point L126(line 126) the Hoare annotation is: true [2021-11-23 03:31:21,071 INFO L858 garLoopResultBuilder]: For program point L126-1(line 126) no Hoare annotation was computed. [2021-11-23 03:31:21,071 INFO L861 garLoopResultBuilder]: At program point L139(line 139) the Hoare annotation is: true [2021-11-23 03:31:21,071 INFO L858 garLoopResultBuilder]: For program point L139-1(line 139) no Hoare annotation was computed. [2021-11-23 03:31:21,071 INFO L858 garLoopResultBuilder]: For program point L135(lines 135 140) no Hoare annotation was computed. [2021-11-23 03:31:21,072 INFO L858 garLoopResultBuilder]: For program point L102-1(lines 102 106) no Hoare annotation was computed. [2021-11-23 03:31:21,072 INFO L861 garLoopResultBuilder]: At program point L102-2(lines 102 106) the Hoare annotation is: true [2021-11-23 03:31:21,072 INFO L858 garLoopResultBuilder]: For program point L102-3(lines 102 106) no Hoare annotation was computed. [2021-11-23 03:31:21,072 INFO L858 garLoopResultBuilder]: For program point L127(lines 127 134) no Hoare annotation was computed. [2021-11-23 03:31:21,072 INFO L858 garLoopResultBuilder]: For program point L115-1(lines 115 119) no Hoare annotation was computed. [2021-11-23 03:31:21,072 INFO L861 garLoopResultBuilder]: At program point L115-2(lines 115 119) the Hoare annotation is: true [2021-11-23 03:31:21,072 INFO L858 garLoopResultBuilder]: For program point L115-3(lines 115 119) no Hoare annotation was computed. [2021-11-23 03:31:21,072 INFO L858 garLoopResultBuilder]: For program point L111(lines 111 112) no Hoare annotation was computed. [2021-11-23 03:31:21,072 INFO L858 garLoopResultBuilder]: For program point scalbn_floatFINAL(lines 98 148) no Hoare annotation was computed. [2021-11-23 03:31:21,072 INFO L858 garLoopResultBuilder]: For program point L136(lines 136 139) no Hoare annotation was computed. [2021-11-23 03:31:21,072 INFO L858 garLoopResultBuilder]: For program point L128-1(lines 128 132) no Hoare annotation was computed. [2021-11-23 03:31:21,072 INFO L861 garLoopResultBuilder]: At program point L128-2(lines 128 132) the Hoare annotation is: true [2021-11-23 03:31:21,072 INFO L858 garLoopResultBuilder]: For program point L128-3(lines 128 132) no Hoare annotation was computed. [2021-11-23 03:31:21,072 INFO L858 garLoopResultBuilder]: For program point scalbn_floatEXIT(lines 98 148) no Hoare annotation was computed. [2021-11-23 03:31:21,073 INFO L861 garLoopResultBuilder]: At program point scalbn_floatENTRY(lines 98 148) the Hoare annotation is: true [2021-11-23 03:31:21,073 INFO L861 garLoopResultBuilder]: At program point L137(line 137) the Hoare annotation is: true [2021-11-23 03:31:21,073 INFO L858 garLoopResultBuilder]: For program point L137-1(line 137) no Hoare annotation was computed. [2021-11-23 03:31:21,073 INFO L858 garLoopResultBuilder]: For program point L125(lines 125 126) no Hoare annotation was computed. [2021-11-23 03:31:21,073 INFO L858 garLoopResultBuilder]: For program point L121(lines 121 122) no Hoare annotation was computed. [2021-11-23 03:31:21,073 INFO L858 garLoopResultBuilder]: For program point L113(lines 113 123) no Hoare annotation was computed. [2021-11-23 03:31:21,073 INFO L858 garLoopResultBuilder]: For program point L113-2(lines 113 123) no Hoare annotation was computed. [2021-11-23 03:31:21,073 INFO L858 garLoopResultBuilder]: For program point L109(lines 109 110) no Hoare annotation was computed. [2021-11-23 03:31:21,073 INFO L858 garLoopResultBuilder]: For program point L142-1(lines 142 146) no Hoare annotation was computed. [2021-11-23 03:31:21,073 INFO L861 garLoopResultBuilder]: At program point L142-2(lines 142 146) the Hoare annotation is: true [2021-11-23 03:31:21,073 INFO L858 garLoopResultBuilder]: For program point L142-3(lines 142 146) no Hoare annotation was computed. [2021-11-23 03:31:21,076 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2021-11-23 03:31:21,077 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-23 03:31:21,087 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 03:31:21,090 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 03:31:21,091 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 03:31:21,091 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 03:31:21,092 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 03:31:21,092 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 03:31:21,092 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 03:31:21,092 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 03:31:21,093 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 03:31:21,094 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 03:31:21,094 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 03:31:21,094 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 03:31:21,094 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 03:31:21,094 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 03:31:21,096 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 03:31:21,097 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 03:31:21,097 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 03:31:21,097 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 03:31:21,097 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 03:31:21,097 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 03:31:21,099 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 03:31:21,099 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 03:31:21,099 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 03:31:21,099 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 03:31:21,099 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 03:31:21,100 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 03:31:21,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:31:21 BoogieIcfgContainer [2021-11-23 03:31:21,101 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-23 03:31:21,102 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 03:31:21,102 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 03:31:21,102 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 03:31:21,103 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:29:48" (3/4) ... [2021-11-23 03:31:21,105 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 03:31:21,112 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_float [2021-11-23 03:31:21,112 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure copysign_float [2021-11-23 03:31:21,113 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure scalbn_float [2021-11-23 03:31:21,113 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __kernel_tanf [2021-11-23 03:31:21,137 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 79 nodes and edges [2021-11-23 03:31:21,140 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2021-11-23 03:31:21,143 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-11-23 03:31:21,145 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 03:31:21,175 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) && ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) == x) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2021-11-23 03:31:21,176 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) && ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) == x) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 1bv32 == \result [2021-11-23 03:31:21,486 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_befa0bad-6155-4fbc-9dcb-ac77761dbf70/bin/utaipan-EQgc7hIp5V/witness.graphml [2021-11-23 03:31:21,487 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 03:31:21,487 INFO L158 Benchmark]: Toolchain (without parser) took 127235.69ms. Allocated memory was 83.9MB in the beginning and 119.5MB in the end (delta: 35.7MB). Free memory was 47.2MB in the beginning and 84.7MB in the end (delta: -37.5MB). Peak memory consumption was 48.4MB. Max. memory is 16.1GB. [2021-11-23 03:31:21,488 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 83.9MB. Free memory was 64.9MB in the beginning and 64.9MB in the end (delta: 72.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 03:31:21,488 INFO L158 Benchmark]: CACSL2BoogieTranslator took 928.69ms. Allocated memory is still 83.9MB. Free memory was 47.0MB in the beginning and 44.9MB in the end (delta: 2.1MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. [2021-11-23 03:31:21,488 INFO L158 Benchmark]: Boogie Procedure Inliner took 121.89ms. Allocated memory is still 83.9MB. Free memory was 44.9MB in the beginning and 37.9MB in the end (delta: 7.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 03:31:21,489 INFO L158 Benchmark]: Boogie Preprocessor took 152.25ms. Allocated memory is still 83.9MB. Free memory was 37.9MB in the beginning and 60.6MB in the end (delta: -22.8MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2021-11-23 03:31:21,489 INFO L158 Benchmark]: RCFGBuilder took 33311.39ms. Allocated memory was 83.9MB in the beginning and 119.5MB in the end (delta: 35.7MB). Free memory was 60.6MB in the beginning and 55.1MB in the end (delta: 5.5MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2021-11-23 03:31:21,490 INFO L158 Benchmark]: TraceAbstraction took 92329.72ms. Allocated memory is still 119.5MB. Free memory was 54.5MB in the beginning and 52.7MB in the end (delta: 1.8MB). Peak memory consumption was 1.5MB. Max. memory is 16.1GB. [2021-11-23 03:31:21,490 INFO L158 Benchmark]: Witness Printer took 384.82ms. Allocated memory is still 119.5MB. Free memory was 52.7MB in the beginning and 84.7MB in the end (delta: -32.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-23 03:31:21,492 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 83.9MB. Free memory was 64.9MB in the beginning and 64.9MB in the end (delta: 72.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 928.69ms. Allocated memory is still 83.9MB. Free memory was 47.0MB in the beginning and 44.9MB in the end (delta: 2.1MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 121.89ms. Allocated memory is still 83.9MB. Free memory was 44.9MB in the beginning and 37.9MB in the end (delta: 7.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 152.25ms. Allocated memory is still 83.9MB. Free memory was 37.9MB in the beginning and 60.6MB in the end (delta: -22.8MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. * RCFGBuilder took 33311.39ms. Allocated memory was 83.9MB in the beginning and 119.5MB in the end (delta: 35.7MB). Free memory was 60.6MB in the beginning and 55.1MB in the end (delta: 5.5MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * TraceAbstraction took 92329.72ms. Allocated memory is still 119.5MB. Free memory was 54.5MB in the beginning and 52.7MB in the end (delta: 1.8MB). Peak memory consumption was 1.5MB. Max. memory is 16.1GB. * Witness Printer took 384.82ms. Allocated memory is still 119.5MB. Free memory was 52.7MB in the beginning and 84.7MB in the end (delta: -32.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * 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: 631]: 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, 243 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 92.2s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 76.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 16 mSolverCounterUnknown, 680 SdHoareTripleChecker+Valid, 75.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 673 mSDsluCounter, 3782 SdHoareTripleChecker+Invalid, 73.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 11 IncrementalHoareTripleChecker+Unchecked, 2841 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 468 IncrementalHoareTripleChecker+Invalid, 511 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 941 mSDtfsCounter, 468 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 137 GetRequests, 113 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=416occurred in iteration=2, InterpolantAutomatonStates: 19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 10 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 60 LocationsWithAnnotation, 194 PreInvPairs, 198 NumberOfFragments, 135 HoareAnnotationTreeSize, 194 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 60 FomulaSimplificationsInter, 10 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 8.5s SatisfiabilityAnalysisTime, 5.1s InterpolantComputationTime, 71 NumberOfCodeBlocks, 71 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 134 ConstructedInterpolants, 11 QuantifiedInterpolants, 547 SizeOfPredicates, 23 NumberOfNonLiveVariables, 1567 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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: 394]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 228]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 300]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 495]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 600]: Loop Invariant [2021-11-23 03:31:21,504 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 03:31:21,505 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) == x && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 324]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 329]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 484]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 596]: Loop Invariant [2021-11-23 03:31:21,506 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 03:31:21,506 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 03:31:21,506 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 03:31:21,506 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 03:31:21,506 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 03:31:21,507 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 03:31:21,507 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 03:31:21,507 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 03:31:21,507 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 03:31:21,507 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 03:31:21,508 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 03:31:21,508 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (\result == ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) && ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) == x) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 257]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 454]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 569]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 315]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 319]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 115]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 142]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 581]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 102]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 489]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 619]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 519]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 299]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 305]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 334]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 72]: Loop Invariant [2021-11-23 03:31:21,512 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 03:31:21,512 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 03:31:21,512 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 03:31:21,513 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 03:31:21,513 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 03:31:21,513 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 03:31:21,513 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 03:31:21,514 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 03:31:21,514 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 03:31:21,514 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 03:31:21,514 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 03:31:21,514 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((\result == ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) && ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) == x) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 1bv32 == \result - InvariantResult [Line: 388]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 442]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-11-23 03:31:21,655 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_befa0bad-6155-4fbc-9dcb-ac77761dbf70/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE