./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0220b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9d9465-b66b-4b7d-9064-95ce8fb685b3/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9d9465-b66b-4b7d-9064-95ce8fb685b3/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9d9465-b66b-4b7d-9064-95ce8fb685b3/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9d9465-b66b-4b7d-9064-95ce8fb685b3/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0220b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9d9465-b66b-4b7d-9064-95ce8fb685b3/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9d9465-b66b-4b7d-9064-95ce8fb685b3/bin/utaipan-UbGMyvGFUs --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 eba0d69032dcca3a4fd537674be713f074cf8e41be9cc562a35b9ffa9def96ba --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 13:37:50,792 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 13:37:50,794 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 13:37:50,839 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 13:37:50,842 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 13:37:50,844 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 13:37:50,849 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 13:37:50,857 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 13:37:50,861 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 13:37:50,864 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 13:37:50,865 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 13:37:50,870 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 13:37:50,871 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 13:37:50,881 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 13:37:50,883 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 13:37:50,886 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 13:37:50,891 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 13:37:50,894 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 13:37:50,897 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 13:37:50,904 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 13:37:50,910 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 13:37:50,911 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 13:37:50,915 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 13:37:50,917 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 13:37:50,925 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 13:37:50,925 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 13:37:50,926 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 13:37:50,928 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 13:37:50,929 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 13:37:50,931 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 13:37:50,932 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 13:37:50,933 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 13:37:50,936 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 13:37:50,939 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 13:37:50,941 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 13:37:50,941 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 13:37:50,942 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 13:37:50,943 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 13:37:50,943 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 13:37:50,945 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 13:37:50,946 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 13:37:50,947 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9d9465-b66b-4b7d-9064-95ce8fb685b3/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-19 13:37:51,005 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 13:37:51,005 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 13:37:51,007 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 13:37:51,008 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 13:37:51,008 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 13:37:51,008 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 13:37:51,009 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 13:37:51,009 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 13:37:51,009 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 13:37:51,010 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 13:37:51,011 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 13:37:51,011 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 13:37:51,012 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 13:37:51,012 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 13:37:51,012 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 13:37:51,013 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 13:37:51,014 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 13:37:51,014 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 13:37:51,014 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 13:37:51,015 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 13:37:51,015 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 13:37:51,015 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 13:37:51,016 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 13:37:51,016 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 13:37:51,016 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 13:37:51,016 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 13:37:51,017 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 13:37:51,017 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 13:37:51,017 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 13:37:51,018 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 13:37:51,018 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 13:37:51,018 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:37:51,019 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 13:37:51,019 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 13:37:51,020 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 13:37:51,020 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 13:37:51,020 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 13:37:51,021 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 13:37:51,021 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 13:37:51,021 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 13:37:51,022 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_7d9d9465-b66b-4b7d-9064-95ce8fb685b3/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9d9465-b66b-4b7d-9064-95ce8fb685b3/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eba0d69032dcca3a4fd537674be713f074cf8e41be9cc562a35b9ffa9def96ba [2021-11-19 13:37:51,390 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 13:37:51,417 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 13:37:51,420 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 13:37:51,421 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 13:37:51,422 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 13:37:51,424 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9d9465-b66b-4b7d-9064-95ce8fb685b3/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/float-newlib/float_req_bl_0220b.c [2021-11-19 13:37:51,527 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9d9465-b66b-4b7d-9064-95ce8fb685b3/bin/utaipan-UbGMyvGFUs/data/223c6b790/1b1b8abfbb794dfcae6e7a6066e50e7f/FLAG6ad43106f [2021-11-19 13:37:52,281 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 13:37:52,282 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9d9465-b66b-4b7d-9064-95ce8fb685b3/sv-benchmarks/c/float-newlib/float_req_bl_0220b.c [2021-11-19 13:37:52,299 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9d9465-b66b-4b7d-9064-95ce8fb685b3/bin/utaipan-UbGMyvGFUs/data/223c6b790/1b1b8abfbb794dfcae6e7a6066e50e7f/FLAG6ad43106f [2021-11-19 13:37:52,513 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9d9465-b66b-4b7d-9064-95ce8fb685b3/bin/utaipan-UbGMyvGFUs/data/223c6b790/1b1b8abfbb794dfcae6e7a6066e50e7f [2021-11-19 13:37:52,516 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 13:37:52,518 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 13:37:52,520 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 13:37:52,520 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 13:37:52,524 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 13:37:52,525 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:37:52" (1/1) ... [2021-11-19 13:37:52,527 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22583115 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:37:52, skipping insertion in model container [2021-11-19 13:37:52,527 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:37:52" (1/1) ... [2021-11-19 13:37:52,536 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 13:37:52,584 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 13:37:52,973 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_7d9d9465-b66b-4b7d-9064-95ce8fb685b3/sv-benchmarks/c/float-newlib/float_req_bl_0220b.c[15845,15858] [2021-11-19 13:37:52,976 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:37:53,016 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 13:37:53,161 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_7d9d9465-b66b-4b7d-9064-95ce8fb685b3/sv-benchmarks/c/float-newlib/float_req_bl_0220b.c[15845,15858] [2021-11-19 13:37:53,161 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:37:53,224 INFO L208 MainTranslator]: Completed translation [2021-11-19 13:37:53,225 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:37:53 WrapperNode [2021-11-19 13:37:53,225 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 13:37:53,226 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 13:37:53,226 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 13:37:53,226 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 13:37:53,235 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:37:53" (1/1) ... [2021-11-19 13:37:53,300 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:37:53" (1/1) ... [2021-11-19 13:37:53,430 INFO L137 Inliner]: procedures = 25, calls = 495, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 1152 [2021-11-19 13:37:53,430 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 13:37:53,440 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 13:37:53,440 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 13:37:53,441 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 13:37:53,456 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:37:53" (1/1) ... [2021-11-19 13:37:53,457 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:37:53" (1/1) ... [2021-11-19 13:37:53,490 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:37:53" (1/1) ... [2021-11-19 13:37:53,491 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:37:53" (1/1) ... [2021-11-19 13:37:53,582 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:37:53" (1/1) ... [2021-11-19 13:37:53,603 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:37:53" (1/1) ... [2021-11-19 13:37:53,610 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:37:53" (1/1) ... [2021-11-19 13:37:53,624 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 13:37:53,625 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 13:37:53,625 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 13:37:53,626 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 13:37:53,627 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:37:53" (1/1) ... [2021-11-19 13:37:53,637 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:37:53,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9d9465-b66b-4b7d-9064-95ce8fb685b3/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 13:37:53,668 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9d9465-b66b-4b7d-9064-95ce8fb685b3/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 13:37:53,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9d9465-b66b-4b7d-9064-95ce8fb685b3/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 13:37:53,725 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_cosf [2021-11-19 13:37:53,726 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_cosf [2021-11-19 13:37:53,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 13:37:53,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 13:37:53,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-11-19 13:37:53,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-19 13:37:53,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-11-19 13:37:53,727 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_sinf [2021-11-19 13:37:53,728 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_sinf [2021-11-19 13:37:53,728 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_float [2021-11-19 13:37:53,728 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_float [2021-11-19 13:37:53,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-19 13:37:53,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-11-19 13:37:53,729 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2021-11-19 13:37:53,729 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2021-11-19 13:37:53,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-19 13:37:53,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 13:37:53,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 13:37:53,730 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 13:37:53,926 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 13:37:53,929 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 13:37:55,520 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 13:37:55,951 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 13:37:55,951 INFO L301 CfgBuilder]: Removed 61 assume(true) statements. [2021-11-19 13:37:55,955 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:37:55 BoogieIcfgContainer [2021-11-19 13:37:55,955 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 13:37:55,958 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 13:37:55,958 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 13:37:55,962 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 13:37:55,962 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 01:37:52" (1/3) ... [2021-11-19 13:37:55,963 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4743eca3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:37:55, skipping insertion in model container [2021-11-19 13:37:55,964 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:37:53" (2/3) ... [2021-11-19 13:37:55,964 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4743eca3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:37:55, skipping insertion in model container [2021-11-19 13:37:55,965 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:37:55" (3/3) ... [2021-11-19 13:37:55,966 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0220b.c [2021-11-19 13:37:55,973 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 13:37:55,973 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-19 13:37:56,030 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 13:37:56,039 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 [2021-11-19 13:37:56,039 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-19 13:37:56,064 INFO L276 IsEmpty]: Start isEmpty. Operand has 172 states, 154 states have (on average 1.6818181818181819) internal successors, (259), 155 states have internal predecessors, (259), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2021-11-19 13:37:56,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-19 13:37:56,069 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:37:56,070 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:37:56,071 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 13:37:56,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:37:56,077 INFO L85 PathProgramCache]: Analyzing trace with hash 378648010, now seen corresponding path program 1 times [2021-11-19 13:37:56,087 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:37:56,088 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547994386] [2021-11-19 13:37:56,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:37:56,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:37:56,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:37:56,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:37:56,472 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:37:56,472 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547994386] [2021-11-19 13:37:56,473 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1547994386] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:37:56,474 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:37:56,474 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-19 13:37:56,476 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673242967] [2021-11-19 13:37:56,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:37:56,482 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-19 13:37:56,482 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:37:56,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-19 13:37:56,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-19 13:37:56,532 INFO L87 Difference]: Start difference. First operand has 172 states, 154 states have (on average 1.6818181818181819) internal successors, (259), 155 states have internal predecessors, (259), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:37:56,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:37:56,840 INFO L93 Difference]: Finished difference Result 343 states and 577 transitions. [2021-11-19 13:37:56,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 13:37:56,843 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-11-19 13:37:56,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:37:56,861 INFO L225 Difference]: With dead ends: 343 [2021-11-19 13:37:56,861 INFO L226 Difference]: Without dead ends: 170 [2021-11-19 13:37:56,874 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 [2021-11-19 13:37:56,881 INFO L933 BasicCegarLoop]: 187 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-19 13:37:56,883 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 187 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-19 13:37:56,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2021-11-19 13:37:56,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 170. [2021-11-19 13:37:56,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 153 states have (on average 1.392156862745098) internal successors, (213), 153 states have internal predecessors, (213), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2021-11-19 13:37:56,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 237 transitions. [2021-11-19 13:37:56,988 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 237 transitions. Word has length 9 [2021-11-19 13:37:56,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:37:56,989 INFO L470 AbstractCegarLoop]: Abstraction has 170 states and 237 transitions. [2021-11-19 13:37:56,989 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:37:56,989 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 237 transitions. [2021-11-19 13:37:56,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-19 13:37:56,990 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:37:56,991 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:37:56,991 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-19 13:37:56,991 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 13:37:56,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:37:56,992 INFO L85 PathProgramCache]: Analyzing trace with hash 127877254, now seen corresponding path program 1 times [2021-11-19 13:37:56,993 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:37:56,993 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14031425] [2021-11-19 13:37:56,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:37:56,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:37:57,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 13:37:57,198 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 13:37:57,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 13:37:57,431 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-19 13:37:57,431 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-19 13:37:57,434 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-19 13:37:57,436 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-19 13:37:57,441 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-11-19 13:37:57,445 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-19 13:37:57,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 01:37:57 BoogieIcfgContainer [2021-11-19 13:37:57,544 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-19 13:37:57,544 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-19 13:37:57,545 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-19 13:37:57,545 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-19 13:37:57,546 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:37:55" (3/4) ... [2021-11-19 13:37:57,550 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-19 13:37:57,550 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-19 13:37:57,552 INFO L158 Benchmark]: Toolchain (without parser) took 5033.26ms. Allocated memory was 100.7MB in the beginning and 178.3MB in the end (delta: 77.6MB). Free memory was 65.6MB in the beginning and 54.3MB in the end (delta: 11.2MB). Peak memory consumption was 86.9MB. Max. memory is 16.1GB. [2021-11-19 13:37:57,552 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 100.7MB. Free memory is still 53.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 13:37:57,553 INFO L158 Benchmark]: CACSL2BoogieTranslator took 705.06ms. Allocated memory is still 100.7MB. Free memory was 65.4MB in the beginning and 57.6MB in the end (delta: 7.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-19 13:37:57,554 INFO L158 Benchmark]: Boogie Procedure Inliner took 204.96ms. Allocated memory is still 100.7MB. Free memory was 57.6MB in the beginning and 50.4MB in the end (delta: 7.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-19 13:37:57,555 INFO L158 Benchmark]: Boogie Preprocessor took 192.76ms. Allocated memory was 100.7MB in the beginning and 130.0MB in the end (delta: 29.4MB). Free memory was 50.4MB in the beginning and 98.9MB in the end (delta: -48.5MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2021-11-19 13:37:57,556 INFO L158 Benchmark]: RCFGBuilder took 2330.58ms. Allocated memory was 130.0MB in the beginning and 178.3MB in the end (delta: 48.2MB). Free memory was 98.9MB in the beginning and 124.6MB in the end (delta: -25.7MB). Peak memory consumption was 54.7MB. Max. memory is 16.1GB. [2021-11-19 13:37:57,557 INFO L158 Benchmark]: TraceAbstraction took 1586.02ms. Allocated memory is still 178.3MB. Free memory was 124.6MB in the beginning and 55.4MB in the end (delta: 69.2MB). Peak memory consumption was 69.2MB. Max. memory is 16.1GB. [2021-11-19 13:37:57,558 INFO L158 Benchmark]: Witness Printer took 5.82ms. Allocated memory is still 178.3MB. Free memory was 55.4MB in the beginning and 54.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 13:37:57,564 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 100.7MB. Free memory is still 53.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 705.06ms. Allocated memory is still 100.7MB. Free memory was 65.4MB in the beginning and 57.6MB in the end (delta: 7.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 204.96ms. Allocated memory is still 100.7MB. Free memory was 57.6MB in the beginning and 50.4MB in the end (delta: 7.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 192.76ms. Allocated memory was 100.7MB in the beginning and 130.0MB in the end (delta: 29.4MB). Free memory was 50.4MB in the beginning and 98.9MB in the end (delta: -48.5MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. * RCFGBuilder took 2330.58ms. Allocated memory was 130.0MB in the beginning and 178.3MB in the end (delta: 48.2MB). Free memory was 98.9MB in the beginning and 124.6MB in the end (delta: -25.7MB). Peak memory consumption was 54.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1586.02ms. Allocated memory is still 178.3MB. Free memory was 124.6MB in the beginning and 55.4MB in the end (delta: 69.2MB). Peak memory consumption was 69.2MB. Max. memory is 16.1GB. * Witness Printer took 5.82ms. Allocated memory is still 178.3MB. Free memory was 55.4MB in the beginning and 54.3MB 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: 629]: 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 628, overapproximation of someUnaryDOUBLEoperation at line 507, overapproximation of bitwiseAnd at line 594, overapproximation of someUnaryFLOAToperation at line 624, overapproximation of someBinaryArithmeticFLOAToperation at line 599. Possible FailurePath: [L13] static const float huge_floor = 1.0e30; [L90-L92] static const float two25_scalbn = 3.355443200e+07, twom25_scalbn = 2.9802322388e-08, huge_scalbn = 1.0e+30, tiny_scalbn = 1.0e-30; [L165] static const int init_jk_krempio[] = {4, 7, 9}; [L167-L171] 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, }; [L173-L175] static const float zero_krempio = 0.0, one_krempio = 1.0, two8_krempio = 2.5600000000e+02, twon8_krempio = 3.9062500000e-03; [L350-L368] 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, }; [L370-L376] 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}; [L378-L387] 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; [L507-L510] static const float half_ksin = 5.0000000000e-01, S1_ksin = -1.6666667163e-01, S2_ksin = 8.3333337680e-03, S3_ksin = -1.9841270114e-04, S4_ksin = 2.7557314297e-06, S5_ksin = -2.5050759689e-08, S6_ksin = 1.5896910177e-10; [L534-L537] static const float one_kcos = 1.0000000000e+00, C1_kcos = 4.1666667908e-02, C2_kcos = -1.3888889225e-03, C3_kcos = 2.4801587642e-05, C4_kcos = -2.7557314297e-07, C5_kcos = 2.0875723372e-09, C6_kcos = -1.1359647598e-11; [L574-L582] 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, }; [L624] float x = -0.0f; [L625] CALL, EXPR sin_float(x) [L585] float y[2], z = 0.0; [L586] __int32_t n, ix; VAL [\old(x)=1000000000000000000000000000003, C1_kcos=10416666977/250000000000, C3_kcos=12400793821/500000000000000, C5_kcos=5218930843/2500000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={14:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={18:0}, one_kcos=1, 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={23:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, S2_ksin=1041666721/125000000000, S4_ksin=27557314297/10000000000000000, S6_ksin=15896910177/100000000000000000000, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={19:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000003, y={22:0}, z=0, zero_krempio=0, zero_rempio=0] [L589] ieee_float_shape_type gf_u; [L590] gf_u.value = (x) [L591] EXPR gf_u.word [L591] (ix) = gf_u.word [L594] ix &= 0x7fffffff VAL [\old(x)=1000000000000000000000000000003, C1_kcos=10416666977/250000000000, C3_kcos=12400793821/500000000000000, C5_kcos=5218930843/2500000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={14:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={18:0}, one_kcos=1, 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={23:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, S2_ksin=1041666721/125000000000, S4_ksin=27557314297/10000000000000000, S6_ksin=15896910177/100000000000000000000, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={19:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000003, y={22:0}, z=0, zero_krempio=0, zero_rempio=0] [L595] COND FALSE !(ix <= 0x3f490fd8) VAL [\old(x)=1000000000000000000000000000003, C1_kcos=10416666977/250000000000, C3_kcos=12400793821/500000000000000, C5_kcos=5218930843/2500000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={14:0}, invpio2_rempio=63661980629/100000000000, ix=2139095040, npio2_hw_rempio={18:0}, one_kcos=1, 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={23:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, S2_ksin=1041666721/125000000000, S4_ksin=27557314297/10000000000000000, S6_ksin=15896910177/100000000000000000000, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={19:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000003, y={22:0}, z=0, zero_krempio=0, zero_rempio=0] [L598] COND TRUE !((ix) < 0x7f800000L) [L599] return x - x; [L599] return x - x; VAL [\old(x)=1000000000000000000000000000003, C1_kcos=10416666977/250000000000, C3_kcos=12400793821/500000000000000, C5_kcos=5218930843/2500000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={14:0}, invpio2_rempio=63661980629/100000000000, ix=2139095040, npio2_hw_rempio={18:0}, one_kcos=1, 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={23:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, S2_ksin=1041666721/125000000000, S4_ksin=27557314297/10000000000000000, S6_ksin=15896910177/100000000000000000000, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={19:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000003, z=0, zero_krempio=0, zero_rempio=0] [L625] RET, EXPR sin_float(x) [L625] float res = sin_float(x); [L628] EXPR res == -0.0f && __signbit_float(res) == 1 VAL [C1_kcos=10416666977/250000000000, C3_kcos=12400793821/500000000000000, C5_kcos=5218930843/2500000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={14:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={18:0}, one_kcos=1, 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={23:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, res=1000000000000000000000000000002, res == -0.0f && __signbit_float(res) == 1=0, S2_ksin=1041666721/125000000000, S4_ksin=27557314297/10000000000000000, S6_ksin=15896910177/100000000000000000000, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={19:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000003, zero_krempio=0, zero_rempio=0] [L628] COND TRUE !(res == -0.0f && __signbit_float(res) == 1) [L629] reach_error() VAL [C1_kcos=10416666977/250000000000, C3_kcos=12400793821/500000000000000, C5_kcos=5218930843/2500000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={14:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={18:0}, one_kcos=1, 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={23:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, res=1000000000000000000000000000002, S2_ksin=1041666721/125000000000, S4_ksin=27557314297/10000000000000000, S6_ksin=15896910177/100000000000000000000, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={19:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000003, zero_krempio=0, zero_rempio=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 172 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, 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, 187 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 52 IncrementalHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 187 mSDtfsCounter, 52 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=172occurred 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, 0.2s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-19 13:37:57,635 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9d9465-b66b-4b7d-9064-95ce8fb685b3/bin/utaipan-UbGMyvGFUs/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_7d9d9465-b66b-4b7d-9064-95ce8fb685b3/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9d9465-b66b-4b7d-9064-95ce8fb685b3/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9d9465-b66b-4b7d-9064-95ce8fb685b3/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9d9465-b66b-4b7d-9064-95ce8fb685b3/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0220b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9d9465-b66b-4b7d-9064-95ce8fb685b3/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9d9465-b66b-4b7d-9064-95ce8fb685b3/bin/utaipan-UbGMyvGFUs --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 eba0d69032dcca3a4fd537674be713f074cf8e41be9cc562a35b9ffa9def96ba --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 13:38:00,300 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 13:38:00,303 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 13:38:00,382 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 13:38:00,383 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 13:38:00,389 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 13:38:00,393 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 13:38:00,405 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 13:38:00,410 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 13:38:00,420 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 13:38:00,422 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 13:38:00,423 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 13:38:00,424 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 13:38:00,425 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 13:38:00,428 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 13:38:00,429 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 13:38:00,431 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 13:38:00,432 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 13:38:00,444 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 13:38:00,452 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 13:38:00,454 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 13:38:00,457 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 13:38:00,462 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 13:38:00,465 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 13:38:00,478 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 13:38:00,479 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 13:38:00,479 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 13:38:00,482 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 13:38:00,483 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 13:38:00,485 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 13:38:00,485 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 13:38:00,486 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 13:38:00,489 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 13:38:00,490 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 13:38:00,492 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 13:38:00,493 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 13:38:00,495 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 13:38:00,495 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 13:38:00,496 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 13:38:00,498 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 13:38:00,500 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 13:38:00,506 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9d9465-b66b-4b7d-9064-95ce8fb685b3/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-19 13:38:00,566 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 13:38:00,566 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 13:38:00,568 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 13:38:00,569 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 13:38:00,569 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 13:38:00,569 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 13:38:00,569 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 13:38:00,570 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 13:38:00,571 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 13:38:00,571 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 13:38:00,574 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 13:38:00,574 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 13:38:00,575 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 13:38:00,575 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 13:38:00,576 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 13:38:00,576 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 13:38:00,576 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 13:38:00,576 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 13:38:00,576 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 13:38:00,577 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 13:38:00,577 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 13:38:00,577 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 13:38:00,577 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 13:38:00,578 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 13:38:00,578 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 13:38:00,578 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 13:38:00,578 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 13:38:00,579 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:38:00,579 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 13:38:00,579 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 13:38:00,579 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 13:38:00,580 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-19 13:38:00,580 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 13:38:00,580 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 13:38:00,581 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 13:38:00,581 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 13:38:00,581 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_7d9d9465-b66b-4b7d-9064-95ce8fb685b3/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9d9465-b66b-4b7d-9064-95ce8fb685b3/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eba0d69032dcca3a4fd537674be713f074cf8e41be9cc562a35b9ffa9def96ba [2021-11-19 13:38:01,162 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 13:38:01,197 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 13:38:01,200 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 13:38:01,202 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 13:38:01,202 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 13:38:01,205 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9d9465-b66b-4b7d-9064-95ce8fb685b3/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/float-newlib/float_req_bl_0220b.c [2021-11-19 13:38:01,293 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9d9465-b66b-4b7d-9064-95ce8fb685b3/bin/utaipan-UbGMyvGFUs/data/50195f5b5/48f67e77b6cd4a53aeab2beb3662ca0c/FLAG09a2825b3 [2021-11-19 13:38:02,041 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 13:38:02,042 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9d9465-b66b-4b7d-9064-95ce8fb685b3/sv-benchmarks/c/float-newlib/float_req_bl_0220b.c [2021-11-19 13:38:02,056 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9d9465-b66b-4b7d-9064-95ce8fb685b3/bin/utaipan-UbGMyvGFUs/data/50195f5b5/48f67e77b6cd4a53aeab2beb3662ca0c/FLAG09a2825b3 [2021-11-19 13:38:02,221 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9d9465-b66b-4b7d-9064-95ce8fb685b3/bin/utaipan-UbGMyvGFUs/data/50195f5b5/48f67e77b6cd4a53aeab2beb3662ca0c [2021-11-19 13:38:02,223 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 13:38:02,225 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 13:38:02,226 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 13:38:02,227 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 13:38:02,231 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 13:38:02,232 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:38:02" (1/1) ... [2021-11-19 13:38:02,233 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78888e12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:38:02, skipping insertion in model container [2021-11-19 13:38:02,234 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:38:02" (1/1) ... [2021-11-19 13:38:02,243 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 13:38:02,295 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 13:38:02,793 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_7d9d9465-b66b-4b7d-9064-95ce8fb685b3/sv-benchmarks/c/float-newlib/float_req_bl_0220b.c[15845,15858] [2021-11-19 13:38:02,797 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:38:02,841 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 13:38:03,048 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_7d9d9465-b66b-4b7d-9064-95ce8fb685b3/sv-benchmarks/c/float-newlib/float_req_bl_0220b.c[15845,15858] [2021-11-19 13:38:03,049 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:38:03,144 INFO L208 MainTranslator]: Completed translation [2021-11-19 13:38:03,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:38:03 WrapperNode [2021-11-19 13:38:03,146 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 13:38:03,147 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 13:38:03,147 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 13:38:03,148 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 13:38:03,157 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:38:03" (1/1) ... [2021-11-19 13:38:03,223 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:38:03" (1/1) ... [2021-11-19 13:38:03,353 INFO L137 Inliner]: procedures = 29, calls = 495, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 1150 [2021-11-19 13:38:03,354 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 13:38:03,355 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 13:38:03,355 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 13:38:03,356 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 13:38:03,367 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:38:03" (1/1) ... [2021-11-19 13:38:03,367 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:38:03" (1/1) ... [2021-11-19 13:38:03,383 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:38:03" (1/1) ... [2021-11-19 13:38:03,383 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:38:03" (1/1) ... [2021-11-19 13:38:03,455 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:38:03" (1/1) ... [2021-11-19 13:38:03,499 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:38:03" (1/1) ... [2021-11-19 13:38:03,507 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:38:03" (1/1) ... [2021-11-19 13:38:03,520 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 13:38:03,528 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 13:38:03,529 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 13:38:03,529 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 13:38:03,532 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:38:03" (1/1) ... [2021-11-19 13:38:03,541 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:38:03,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9d9465-b66b-4b7d-9064-95ce8fb685b3/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 13:38:03,572 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9d9465-b66b-4b7d-9064-95ce8fb685b3/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 13:38:03,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9d9465-b66b-4b7d-9064-95ce8fb685b3/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 13:38:03,638 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_cosf [2021-11-19 13:38:03,638 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_cosf [2021-11-19 13:38:03,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 13:38:03,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-19 13:38:03,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-19 13:38:03,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 13:38:03,639 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2021-11-19 13:38:03,640 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-19 13:38:03,640 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_sinf [2021-11-19 13:38:03,640 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_sinf [2021-11-19 13:38:03,640 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_float [2021-11-19 13:38:03,641 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_float [2021-11-19 13:38:03,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2021-11-19 13:38:03,641 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2021-11-19 13:38:03,641 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2021-11-19 13:38:03,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2021-11-19 13:38:03,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 13:38:03,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 13:38:03,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-19 13:38:03,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 13:38:03,928 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 13:38:03,943 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 13:38:41,130 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 13:38:41,144 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 13:38:41,144 INFO L301 CfgBuilder]: Removed 61 assume(true) statements. [2021-11-19 13:38:41,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:38:41 BoogieIcfgContainer [2021-11-19 13:38:41,148 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 13:38:41,150 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 13:38:41,150 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 13:38:41,154 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 13:38:41,155 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 01:38:02" (1/3) ... [2021-11-19 13:38:41,156 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ce0897c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:38:41, skipping insertion in model container [2021-11-19 13:38:41,156 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:38:03" (2/3) ... [2021-11-19 13:38:41,156 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ce0897c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:38:41, skipping insertion in model container [2021-11-19 13:38:41,157 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:38:41" (3/3) ... [2021-11-19 13:38:41,159 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0220b.c [2021-11-19 13:38:41,165 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 13:38:41,166 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-19 13:38:41,227 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 13:38:41,236 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 [2021-11-19 13:38:41,236 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-19 13:38:41,267 INFO L276 IsEmpty]: Start isEmpty. Operand has 249 states, 231 states have (on average 1.6623376623376624) internal successors, (384), 232 states have internal predecessors, (384), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2021-11-19 13:38:41,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-19 13:38:41,273 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:38:41,274 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:38:41,274 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 13:38:41,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:38:41,282 INFO L85 PathProgramCache]: Analyzing trace with hash -709361443, now seen corresponding path program 1 times [2021-11-19 13:38:41,300 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:38:41,301 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1225678335] [2021-11-19 13:38:41,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:38:41,302 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:38:41,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9d9465-b66b-4b7d-9064-95ce8fb685b3/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:38:41,306 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9d9465-b66b-4b7d-9064-95ce8fb685b3/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:38:41,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9d9465-b66b-4b7d-9064-95ce8fb685b3/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-19 13:38:43,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:38:43,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-19 13:38:43,678 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:38:43,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:38:43,753 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:38:43,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:38:43,813 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:38:43,813 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1225678335] [2021-11-19 13:38:43,814 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1225678335] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:38:43,814 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:38:43,814 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-19 13:38:43,816 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152277103] [2021-11-19 13:38:43,817 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:38:43,821 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-19 13:38:43,822 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:38:43,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-19 13:38:43,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-19 13:38:43,856 INFO L87 Difference]: Start difference. First operand has 249 states, 231 states have (on average 1.6623376623376624) internal successors, (384), 232 states have internal predecessors, (384), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:38:43,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:38:43,926 INFO L93 Difference]: Finished difference Result 496 states and 826 transitions. [2021-11-19 13:38:43,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 13:38:43,929 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 [2021-11-19 13:38:43,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:38:43,942 INFO L225 Difference]: With dead ends: 496 [2021-11-19 13:38:43,942 INFO L226 Difference]: Without dead ends: 246 [2021-11-19 13:38:43,948 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 [2021-11-19 13:38:43,952 INFO L933 BasicCegarLoop]: 346 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, 346 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 [2021-11-19 13:38:43,966 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 346 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 13:38:44,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2021-11-19 13:38:44,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 246. [2021-11-19 13:38:44,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 229 states have (on average 1.3930131004366813) internal successors, (319), 229 states have internal predecessors, (319), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2021-11-19 13:38:44,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 343 transitions. [2021-11-19 13:38:44,077 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 343 transitions. Word has length 10 [2021-11-19 13:38:44,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:38:44,078 INFO L470 AbstractCegarLoop]: Abstraction has 246 states and 343 transitions. [2021-11-19 13:38:44,078 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) [2021-11-19 13:38:44,079 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 343 transitions. [2021-11-19 13:38:44,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-19 13:38:44,081 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:38:44,082 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:38:44,138 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9d9465-b66b-4b7d-9064-95ce8fb685b3/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-19 13:38:44,302 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9d9465-b66b-4b7d-9064-95ce8fb685b3/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:38:44,302 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 13:38:44,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:38:44,303 INFO L85 PathProgramCache]: Analyzing trace with hash 759322579, now seen corresponding path program 1 times [2021-11-19 13:38:44,305 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:38:44,305 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [830603059] [2021-11-19 13:38:44,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:38:44,305 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:38:44,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9d9465-b66b-4b7d-9064-95ce8fb685b3/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:38:44,309 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9d9465-b66b-4b7d-9064-95ce8fb685b3/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:38:44,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9d9465-b66b-4b7d-9064-95ce8fb685b3/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-19 13:38:46,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:38:46,509 INFO L263 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-19 13:38:46,511 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:38:46,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:38:46,868 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:38:47,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:38:47,182 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:38:47,183 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [830603059] [2021-11-19 13:38:47,183 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [830603059] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:38:47,183 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:38:47,183 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-19 13:38:47,184 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38385551] [2021-11-19 13:38:47,184 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:38:47,185 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-19 13:38:47,186 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:38:47,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-19 13:38:47,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-11-19 13:38:47,187 INFO L87 Difference]: Start difference. First operand 246 states and 343 transitions. Second operand has 8 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:38:47,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:38:47,292 INFO L93 Difference]: Finished difference Result 265 states and 364 transitions. [2021-11-19 13:38:47,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 13:38:47,293 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-11-19 13:38:47,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:38:47,294 INFO L225 Difference]: With dead ends: 265 [2021-11-19 13:38:47,295 INFO L226 Difference]: Without dead ends: 27 [2021-11-19 13:38:47,297 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2021-11-19 13:38:47,299 INFO L933 BasicCegarLoop]: 27 mSDtfsCounter, 5 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 3 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 13:38:47,300 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5 Valid, 78 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 3 Unchecked, 0.0s Time] [2021-11-19 13:38:47,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2021-11-19 13:38:47,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2021-11-19 13:38:47,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 24 states have (on average 1.1666666666666667) internal successors, (28), 24 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-19 13:38:47,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 30 transitions. [2021-11-19 13:38:47,311 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 30 transitions. Word has length 11 [2021-11-19 13:38:47,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:38:47,312 INFO L470 AbstractCegarLoop]: Abstraction has 27 states and 30 transitions. [2021-11-19 13:38:47,312 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:38:47,312 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2021-11-19 13:38:47,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-19 13:38:47,313 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:38:47,313 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:38:47,390 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9d9465-b66b-4b7d-9064-95ce8fb685b3/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-19 13:38:47,533 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9d9465-b66b-4b7d-9064-95ce8fb685b3/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:38:47,533 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 13:38:47,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:38:47,534 INFO L85 PathProgramCache]: Analyzing trace with hash 1983106081, now seen corresponding path program 1 times [2021-11-19 13:38:47,535 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:38:47,536 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2081857472] [2021-11-19 13:38:47,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:38:47,536 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:38:47,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9d9465-b66b-4b7d-9064-95ce8fb685b3/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:38:47,538 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9d9465-b66b-4b7d-9064-95ce8fb685b3/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:38:47,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9d9465-b66b-4b7d-9064-95ce8fb685b3/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-19 13:38:49,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:38:49,551 INFO L263 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-19 13:38:49,552 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:38:50,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:38:50,057 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:38:51,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:38:51,004 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:38:51,004 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2081857472] [2021-11-19 13:38:51,005 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2081857472] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:38:51,005 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:38:51,005 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 13 [2021-11-19 13:38:51,006 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117260312] [2021-11-19 13:38:51,006 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:38:51,007 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-19 13:38:51,007 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:38:51,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-19 13:38:51,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2021-11-19 13:38:51,008 INFO L87 Difference]: Start difference. First operand 27 states and 30 transitions. Second operand has 13 states, 13 states have (on average 2.4615384615384617) internal successors, (32), 11 states have internal predecessors, (32), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-19 13:38:53,691 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-19 13:38:55,812 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-19 13:38:58,935 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-19 13:39:00,941 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-19 13:39:01,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:39:01,501 INFO L93 Difference]: Finished difference Result 43 states and 45 transitions. [2021-11-19 13:39:01,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-19 13:39:01,502 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.4615384615384617) internal successors, (32), 11 states have internal predecessors, (32), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 20 [2021-11-19 13:39:01,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:39:01,504 INFO L225 Difference]: With dead ends: 43 [2021-11-19 13:39:01,504 INFO L226 Difference]: Without dead ends: 40 [2021-11-19 13:39:01,505 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342 [2021-11-19 13:39:01,507 INFO L933 BasicCegarLoop]: 23 mSDtfsCounter, 55 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 6 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2021-11-19 13:39:01,508 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [57 Valid, 170 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 71 Invalid, 4 Unknown, 0 Unchecked, 10.0s Time] [2021-11-19 13:39:01,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2021-11-19 13:39:01,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 32. [2021-11-19 13:39:01,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 28 states have (on average 1.1428571428571428) internal successors, (32), 28 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-19 13:39:01,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 35 transitions. [2021-11-19 13:39:01,516 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 35 transitions. Word has length 20 [2021-11-19 13:39:01,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:39:01,517 INFO L470 AbstractCegarLoop]: Abstraction has 32 states and 35 transitions. [2021-11-19 13:39:01,518 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.4615384615384617) internal successors, (32), 11 states have internal predecessors, (32), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-19 13:39:01,518 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 35 transitions. [2021-11-19 13:39:01,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-19 13:39:01,519 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:39:01,519 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:39:01,575 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9d9465-b66b-4b7d-9064-95ce8fb685b3/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-19 13:39:01,733 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9d9465-b66b-4b7d-9064-95ce8fb685b3/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:39:01,734 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 13:39:01,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:39:01,735 INFO L85 PathProgramCache]: Analyzing trace with hash 1085069118, now seen corresponding path program 1 times [2021-11-19 13:39:01,736 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:39:01,737 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [865033283] [2021-11-19 13:39:01,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:39:01,737 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:39:01,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9d9465-b66b-4b7d-9064-95ce8fb685b3/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:39:01,750 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9d9465-b66b-4b7d-9064-95ce8fb685b3/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:39:01,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9d9465-b66b-4b7d-9064-95ce8fb685b3/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-19 13:39:04,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:39:04,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-19 13:39:04,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:39:05,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:39:05,163 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:39:06,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:39:06,662 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:39:06,662 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [865033283] [2021-11-19 13:39:06,662 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [865033283] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:39:06,663 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:39:06,663 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 11 [2021-11-19 13:39:06,663 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312393014] [2021-11-19 13:39:06,663 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:39:06,664 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-19 13:39:06,664 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:39:06,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-19 13:39:06,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-11-19 13:39:06,665 INFO L87 Difference]: Start difference. First operand 32 states and 35 transitions. Second operand has 11 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 11 states have internal predecessors, (29), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-19 13:39:09,089 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-19 13:39:09,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:39:09,090 INFO L93 Difference]: Finished difference Result 46 states and 50 transitions. [2021-11-19 13:39:09,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-19 13:39:09,143 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 11 states have internal predecessors, (29), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 21 [2021-11-19 13:39:09,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:39:09,144 INFO L225 Difference]: With dead ends: 46 [2021-11-19 13:39:09,144 INFO L226 Difference]: Without dead ends: 32 [2021-11-19 13:39:09,144 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 30 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2021-11-19 13:39:09,146 INFO L933 BasicCegarLoop]: 26 mSDtfsCounter, 13 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 16 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-19 13:39:09,147 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 114 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 1 Unknown, 16 Unchecked, 2.2s Time] [2021-11-19 13:39:09,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2021-11-19 13:39:09,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2021-11-19 13:39:09,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 28 states have (on average 1.1071428571428572) internal successors, (31), 28 states have internal predecessors, (31), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-19 13:39:09,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 34 transitions. [2021-11-19 13:39:09,157 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 34 transitions. Word has length 21 [2021-11-19 13:39:09,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:39:09,158 INFO L470 AbstractCegarLoop]: Abstraction has 32 states and 34 transitions. [2021-11-19 13:39:09,158 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 11 states have internal predecessors, (29), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-19 13:39:09,159 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 34 transitions. [2021-11-19 13:39:09,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-19 13:39:09,160 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:39:09,160 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] [2021-11-19 13:39:09,222 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9d9465-b66b-4b7d-9064-95ce8fb685b3/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-19 13:39:09,372 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9d9465-b66b-4b7d-9064-95ce8fb685b3/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:39:09,372 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 13:39:09,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:39:09,373 INFO L85 PathProgramCache]: Analyzing trace with hash 452402173, now seen corresponding path program 1 times [2021-11-19 13:39:09,374 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:39:09,374 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1042495333] [2021-11-19 13:39:09,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:39:09,375 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:39:09,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9d9465-b66b-4b7d-9064-95ce8fb685b3/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:39:09,382 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9d9465-b66b-4b7d-9064-95ce8fb685b3/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:39:09,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9d9465-b66b-4b7d-9064-95ce8fb685b3/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-19 13:39:11,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:39:12,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-19 13:39:12,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:39:12,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:39:12,712 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:39:16,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:39:16,170 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:39:16,171 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1042495333] [2021-11-19 13:39:16,171 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1042495333] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:39:16,171 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:39:16,171 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2021-11-19 13:39:16,172 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021312055] [2021-11-19 13:39:16,172 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:39:16,172 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-19 13:39:16,173 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:39:16,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-19 13:39:16,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-19 13:39:16,174 INFO L87 Difference]: Start difference. First operand 32 states and 34 transitions. Second operand has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 7 states have internal predecessors, (31), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-19 13:39:19,069 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-19 13:39:21,480 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-19 13:39:23,644 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-19 13:39:23,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:39:23,646 INFO L93 Difference]: Finished difference Result 39 states and 40 transitions. [2021-11-19 13:39:23,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 13:39:23,702 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 7 states have internal predecessors, (31), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 22 [2021-11-19 13:39:23,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:39:23,703 INFO L225 Difference]: With dead ends: 39 [2021-11-19 13:39:23,703 INFO L226 Difference]: Without dead ends: 25 [2021-11-19 13:39:23,703 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-11-19 13:39:23,704 INFO L933 BasicCegarLoop]: 23 mSDtfsCounter, 24 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2021-11-19 13:39:23,705 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [25 Valid, 80 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 3 Unknown, 0 Unchecked, 7.2s Time] [2021-11-19 13:39:23,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2021-11-19 13:39:23,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2021-11-19 13:39:23,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 22 states have (on average 1.0) internal successors, (22), 22 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-19 13:39:23,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 24 transitions. [2021-11-19 13:39:23,710 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 24 transitions. Word has length 22 [2021-11-19 13:39:23,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:39:23,711 INFO L470 AbstractCegarLoop]: Abstraction has 25 states and 24 transitions. [2021-11-19 13:39:23,711 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 7 states have internal predecessors, (31), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-19 13:39:23,711 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 24 transitions. [2021-11-19 13:39:23,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 13:39:23,713 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:39:23,713 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] [2021-11-19 13:39:23,773 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9d9465-b66b-4b7d-9064-95ce8fb685b3/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-19 13:39:23,925 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9d9465-b66b-4b7d-9064-95ce8fb685b3/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:39:23,926 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 13:39:23,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:39:23,927 INFO L85 PathProgramCache]: Analyzing trace with hash -1043993930, now seen corresponding path program 1 times [2021-11-19 13:39:23,928 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:39:23,928 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2042511834] [2021-11-19 13:39:23,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:39:23,928 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:39:23,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9d9465-b66b-4b7d-9064-95ce8fb685b3/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:39:23,929 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9d9465-b66b-4b7d-9064-95ce8fb685b3/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:39:23,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9d9465-b66b-4b7d-9064-95ce8fb685b3/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-19 13:39:26,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:39:26,257 INFO L263 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-19 13:39:26,260 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:39:27,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:39:27,230 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:39:29,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:39:29,858 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:39:29,858 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2042511834] [2021-11-19 13:39:29,858 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2042511834] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:39:29,858 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:39:29,859 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12, 12] imperfect sequences [] total 20 [2021-11-19 13:39:29,859 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336897968] [2021-11-19 13:39:29,859 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:39:29,860 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-11-19 13:39:29,860 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:39:29,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-11-19 13:39:29,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=335, Unknown=0, NotChecked=0, Total=380 [2021-11-19 13:39:29,861 INFO L87 Difference]: Start difference. First operand 25 states and 24 transitions. Second operand has 20 states, 20 states have (on average 2.0) internal successors, (40), 18 states have internal predecessors, (40), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-19 13:39:31,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:39:31,070 INFO L93 Difference]: Finished difference Result 25 states and 24 transitions. [2021-11-19 13:39:31,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-19 13:39:31,071 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 2.0) internal successors, (40), 18 states have internal predecessors, (40), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 24 [2021-11-19 13:39:31,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:39:31,071 INFO L225 Difference]: With dead ends: 25 [2021-11-19 13:39:31,071 INFO L226 Difference]: Without dead ends: 0 [2021-11-19 13:39:31,072 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 27 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=108, Invalid=542, Unknown=0, NotChecked=0, Total=650 [2021-11-19 13:39:31,074 INFO L933 BasicCegarLoop]: 12 mSDtfsCounter, 25 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 57 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-19 13:39:31,074 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [25 Valid, 150 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 63 Invalid, 0 Unknown, 57 Unchecked, 0.4s Time] [2021-11-19 13:39:31,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-19 13:39:31,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-19 13:39:31,075 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) [2021-11-19 13:39:31,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-19 13:39:31,076 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2021-11-19 13:39:31,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:39:31,076 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-19 13:39:31,076 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 2.0) internal successors, (40), 18 states have internal predecessors, (40), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-19 13:39:31,077 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-19 13:39:31,077 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-19 13:39:31,080 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-19 13:39:31,142 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9d9465-b66b-4b7d-9064-95ce8fb685b3/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-19 13:39:31,281 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9d9465-b66b-4b7d-9064-95ce8fb685b3/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:39:31,283 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-19 13:39:31,827 INFO L858 garLoopResultBuilder]: For program point L562-1(lines 562 566) no Hoare annotation was computed. [2021-11-19 13:39:31,827 INFO L861 garLoopResultBuilder]: At program point L562-2(lines 562 566) the Hoare annotation is: true [2021-11-19 13:39:31,827 INFO L858 garLoopResultBuilder]: For program point L562-3(lines 559 567) no Hoare annotation was computed. [2021-11-19 13:39:31,827 INFO L858 garLoopResultBuilder]: For program point L556(lines 556 571) no Hoare annotation was computed. [2021-11-19 13:39:31,827 INFO L858 garLoopResultBuilder]: For program point L548(lines 548 551) no Hoare annotation was computed. [2021-11-19 13:39:31,827 INFO L858 garLoopResultBuilder]: For program point L548-2(lines 548 551) no Hoare annotation was computed. [2021-11-19 13:39:31,828 INFO L861 garLoopResultBuilder]: At program point __kernel_cosfENTRY(lines 539 572) the Hoare annotation is: true [2021-11-19 13:39:31,828 INFO L858 garLoopResultBuilder]: For program point L542-1(lines 542 546) no Hoare annotation was computed. [2021-11-19 13:39:31,828 INFO L861 garLoopResultBuilder]: At program point L542-2(lines 542 546) the Hoare annotation is: true [2021-11-19 13:39:31,828 INFO L858 garLoopResultBuilder]: For program point L542-3(lines 542 546) no Hoare annotation was computed. [2021-11-19 13:39:31,829 INFO L858 garLoopResultBuilder]: For program point __kernel_cosfFINAL(lines 539 572) no Hoare annotation was computed. [2021-11-19 13:39:31,829 INFO L858 garLoopResultBuilder]: For program point L559(lines 559 567) no Hoare annotation was computed. [2021-11-19 13:39:31,829 INFO L858 garLoopResultBuilder]: For program point L549(lines 549 550) no Hoare annotation was computed. [2021-11-19 13:39:31,829 INFO L858 garLoopResultBuilder]: For program point __kernel_cosfEXIT(lines 539 572) no Hoare annotation was computed. [2021-11-19 13:39:31,830 INFO L858 garLoopResultBuilder]: For program point copysign_floatEXIT(lines 70 88) no Hoare annotation was computed. [2021-11-19 13:39:31,830 INFO L858 garLoopResultBuilder]: For program point L77(lines 77 81) no Hoare annotation was computed. [2021-11-19 13:39:31,830 INFO L858 garLoopResultBuilder]: For program point L77-1(lines 70 88) no Hoare annotation was computed. [2021-11-19 13:39:31,830 INFO L861 garLoopResultBuilder]: At program point copysign_floatENTRY(lines 70 88) the Hoare annotation is: true [2021-11-19 13:39:31,830 INFO L858 garLoopResultBuilder]: For program point L82(lines 82 86) no Hoare annotation was computed. [2021-11-19 13:39:31,831 INFO L858 garLoopResultBuilder]: For program point L82-1(lines 70 88) no Hoare annotation was computed. [2021-11-19 13:39:31,831 INFO L858 garLoopResultBuilder]: For program point L82-2(lines 82 86) no Hoare annotation was computed. [2021-11-19 13:39:31,831 INFO L858 garLoopResultBuilder]: For program point L72-1(lines 72 76) no Hoare annotation was computed. [2021-11-19 13:39:31,831 INFO L861 garLoopResultBuilder]: At program point L72-2(lines 72 76) the Hoare annotation is: true [2021-11-19 13:39:31,832 INFO L858 garLoopResultBuilder]: For program point copysign_floatFINAL(lines 70 88) no Hoare annotation was computed. [2021-11-19 13:39:31,832 INFO L858 garLoopResultBuilder]: For program point __kernel_sinfEXIT(lines 512 532) no Hoare annotation was computed. [2021-11-19 13:39:31,832 INFO L858 garLoopResultBuilder]: For program point L521(lines 521 524) no Hoare annotation was computed. [2021-11-19 13:39:31,832 INFO L858 garLoopResultBuilder]: For program point L521-2(lines 521 524) no Hoare annotation was computed. [2021-11-19 13:39:31,832 INFO L858 garLoopResultBuilder]: For program point L515-1(lines 515 519) no Hoare annotation was computed. [2021-11-19 13:39:31,833 INFO L854 garLoopResultBuilder]: At program point L515-2(lines 515 519) the Hoare annotation is: (= __kernel_sinf_~x |__kernel_sinf_#in~x|) [2021-11-19 13:39:31,833 INFO L858 garLoopResultBuilder]: For program point L515-3(lines 515 519) no Hoare annotation was computed. [2021-11-19 13:39:31,833 INFO L861 garLoopResultBuilder]: At program point __kernel_sinfENTRY(lines 512 532) the Hoare annotation is: true [2021-11-19 13:39:31,833 INFO L858 garLoopResultBuilder]: For program point L528(lines 528 531) no Hoare annotation was computed. [2021-11-19 13:39:31,834 INFO L858 garLoopResultBuilder]: For program point L522(lines 522 523) no Hoare annotation was computed. [2021-11-19 13:39:31,834 INFO L858 garLoopResultBuilder]: For program point __kernel_sinfFINAL(lines 512 532) no Hoare annotation was computed. [2021-11-19 13:39:31,834 INFO L858 garLoopResultBuilder]: For program point L300-2(lines 300 304) no Hoare annotation was computed. [2021-11-19 13:39:31,834 INFO L854 garLoopResultBuilder]: At program point L300-3(lines 300 304) the Hoare annotation is: false [2021-11-19 13:39:31,834 INFO L858 garLoopResultBuilder]: For program point L300-4(lines 300 304) no Hoare annotation was computed. [2021-11-19 13:39:31,835 INFO L858 garLoopResultBuilder]: For program point L36(lines 36 37) no Hoare annotation was computed. [2021-11-19 13:39:31,835 INFO L858 garLoopResultBuilder]: For program point L598(lines 598 613) no Hoare annotation was computed. [2021-11-19 13:39:31,835 INFO L858 garLoopResultBuilder]: For program point L499(lines 499 503) no Hoare annotation was computed. [2021-11-19 13:39:31,835 INFO L858 garLoopResultBuilder]: For program point L301-2(lines 301 302) no Hoare annotation was computed. [2021-11-19 13:39:31,835 INFO L854 garLoopResultBuilder]: At program point L301-3(lines 301 302) the Hoare annotation is: false [2021-11-19 13:39:31,836 INFO L858 garLoopResultBuilder]: For program point L301-4(lines 301 302) no Hoare annotation was computed. [2021-11-19 13:39:31,836 INFO L858 garLoopResultBuilder]: For program point L401(lines 401 405) no Hoare annotation was computed. [2021-11-19 13:39:31,836 INFO L858 garLoopResultBuilder]: For program point L335-2(lines 335 336) no Hoare annotation was computed. [2021-11-19 13:39:31,836 INFO L854 garLoopResultBuilder]: At program point L335-3(lines 335 336) the Hoare annotation is: false [2021-11-19 13:39:31,836 INFO L858 garLoopResultBuilder]: For program point L335-4(lines 306 346) no Hoare annotation was computed. [2021-11-19 13:39:31,837 INFO L858 garLoopResultBuilder]: For program point L38(lines 38 42) no Hoare annotation was computed. [2021-11-19 13:39:31,837 INFO L861 garLoopResultBuilder]: At program point L633(lines 616 634) the Hoare annotation is: true [2021-11-19 13:39:31,837 INFO L858 garLoopResultBuilder]: For program point L39(lines 39 40) no Hoare annotation was computed. [2021-11-19 13:39:31,837 INFO L858 garLoopResultBuilder]: For program point L39-2(lines 39 40) no Hoare annotation was computed. [2021-11-19 13:39:31,838 INFO L854 garLoopResultBuilder]: At program point L271(lines 178 348) the Hoare annotation is: false [2021-11-19 13:39:31,838 INFO L858 garLoopResultBuilder]: For program point L205-2(lines 205 209) no Hoare annotation was computed. [2021-11-19 13:39:31,838 INFO L854 garLoopResultBuilder]: At program point L205-3(lines 205 209) the Hoare annotation is: false [2021-11-19 13:39:31,838 INFO L854 garLoopResultBuilder]: At program point L205-4(lines 205 209) the Hoare annotation is: false [2021-11-19 13:39:31,838 INFO L858 garLoopResultBuilder]: For program point L437(line 437) no Hoare annotation was computed. [2021-11-19 13:39:31,839 INFO L858 garLoopResultBuilder]: For program point L437-2(lines 437 469) no Hoare annotation was computed. [2021-11-19 13:39:31,839 INFO L858 garLoopResultBuilder]: For program point L239-1(lines 226 254) no Hoare annotation was computed. [2021-11-19 13:39:31,839 INFO L858 garLoopResultBuilder]: For program point L603(lines 603 612) no Hoare annotation was computed. [2021-11-19 13:39:31,839 INFO L854 garLoopResultBuilder]: At program point L504(lines 389 505) the Hoare annotation is: false [2021-11-19 13:39:31,839 INFO L858 garLoopResultBuilder]: For program point L471(lines 471 476) no Hoare annotation was computed. [2021-11-19 13:39:31,840 INFO L854 garLoopResultBuilder]: At program point L306(lines 306 346) the Hoare annotation is: false [2021-11-19 13:39:31,840 INFO L854 garLoopResultBuilder]: At program point L240(lines 240 247) the Hoare annotation is: false [2021-11-19 13:39:31,840 INFO L858 garLoopResultBuilder]: For program point L604(line 604) no Hoare annotation was computed. [2021-11-19 13:39:31,840 INFO L858 garLoopResultBuilder]: For program point L406(lines 406 430) no Hoare annotation was computed. [2021-11-19 13:39:31,840 INFO L858 garLoopResultBuilder]: For program point L307(line 307) no Hoare annotation was computed. [2021-11-19 13:39:31,841 INFO L858 garLoopResultBuilder]: For program point L241(line 241) no Hoare annotation was computed. [2021-11-19 13:39:31,841 INFO L854 garLoopResultBuilder]: At program point L605(line 605) the Hoare annotation is: false [2021-11-19 13:39:31,841 INFO L858 garLoopResultBuilder]: For program point L605-1(line 605) no Hoare annotation was computed. [2021-11-19 13:39:31,841 INFO L858 garLoopResultBuilder]: For program point L407(lines 407 429) no Hoare annotation was computed. [2021-11-19 13:39:31,841 INFO L858 garLoopResultBuilder]: For program point L606(line 606) no Hoare annotation was computed. [2021-11-19 13:39:31,842 INFO L858 garLoopResultBuilder]: For program point L309-2(lines 309 310) no Hoare annotation was computed. [2021-11-19 13:39:31,842 INFO L854 garLoopResultBuilder]: At program point L309-3(lines 309 310) the Hoare annotation is: false [2021-11-19 13:39:31,842 INFO L858 garLoopResultBuilder]: For program point L309-4(lines 306 346) no Hoare annotation was computed. [2021-11-19 13:39:31,842 INFO L858 garLoopResultBuilder]: For program point L45(lines 45 48) no Hoare annotation was computed. [2021-11-19 13:39:31,842 INFO L854 garLoopResultBuilder]: At program point L607(line 607) the Hoare annotation is: false [2021-11-19 13:39:31,843 INFO L858 garLoopResultBuilder]: For program point L607-1(line 607) no Hoare annotation was computed. [2021-11-19 13:39:31,843 INFO L858 garLoopResultBuilder]: For program point L409(lines 409 416) no Hoare annotation was computed. [2021-11-19 13:39:31,843 INFO L858 garLoopResultBuilder]: For program point L409-2(lines 409 416) no Hoare annotation was computed. [2021-11-19 13:39:31,843 INFO L858 garLoopResultBuilder]: For program point L244(line 244) no Hoare annotation was computed. [2021-11-19 13:39:31,843 INFO L858 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-11-19 13:39:31,844 INFO L858 garLoopResultBuilder]: For program point L608(line 608) no Hoare annotation was computed. [2021-11-19 13:39:31,844 INFO L858 garLoopResultBuilder]: For program point L443-1(lines 443 447) no Hoare annotation was computed. [2021-11-19 13:39:31,844 INFO L854 garLoopResultBuilder]: At program point L443-2(lines 443 447) the Hoare annotation is: false [2021-11-19 13:39:31,844 INFO L858 garLoopResultBuilder]: For program point L443-3(lines 443 447) no Hoare annotation was computed. [2021-11-19 13:39:31,844 INFO L858 garLoopResultBuilder]: For program point L311-1(line 311) no Hoare annotation was computed. [2021-11-19 13:39:31,845 INFO L858 garLoopResultBuilder]: For program point L278-1(lines 278 281) no Hoare annotation was computed. [2021-11-19 13:39:31,845 INFO L854 garLoopResultBuilder]: At program point L278-3(lines 278 281) the Hoare annotation is: false [2021-11-19 13:39:31,845 INFO L854 garLoopResultBuilder]: At program point L609(line 609) the Hoare annotation is: false [2021-11-19 13:39:31,845 INFO L858 garLoopResultBuilder]: For program point L609-1(line 609) no Hoare annotation was computed. [2021-11-19 13:39:31,845 INFO L858 garLoopResultBuilder]: For program point L610(line 610) no Hoare annotation was computed. [2021-11-19 13:39:31,846 INFO L858 garLoopResultBuilder]: For program point L313(line 313) no Hoare annotation was computed. [2021-11-19 13:39:31,846 INFO L858 garLoopResultBuilder]: For program point L313-2(line 313) no Hoare annotation was computed. [2021-11-19 13:39:31,846 INFO L858 garLoopResultBuilder]: For program point L148-1(lines 148 152) no Hoare annotation was computed. [2021-11-19 13:39:31,846 INFO L854 garLoopResultBuilder]: At program point L148-2(lines 148 152) the Hoare annotation is: false [2021-11-19 13:39:31,846 INFO L854 garLoopResultBuilder]: At program point L611(line 611) the Hoare annotation is: false [2021-11-19 13:39:31,847 INFO L858 garLoopResultBuilder]: For program point L611-1(line 611) no Hoare annotation was computed. [2021-11-19 13:39:31,847 INFO L858 garLoopResultBuilder]: For program point L479(lines 479 482) no Hoare annotation was computed. [2021-11-19 13:39:31,847 INFO L854 garLoopResultBuilder]: At program point L347(lines 177 348) the Hoare annotation is: false [2021-11-19 13:39:31,847 INFO L858 garLoopResultBuilder]: For program point L314(line 314) no Hoare annotation was computed. [2021-11-19 13:39:31,847 INFO L858 garLoopResultBuilder]: For program point L50(lines 50 54) no Hoare annotation was computed. [2021-11-19 13:39:31,848 INFO L858 garLoopResultBuilder]: For program point L50-1(lines 15 56) no Hoare annotation was computed. [2021-11-19 13:39:31,848 INFO L858 garLoopResultBuilder]: For program point L50-2(lines 50 54) no Hoare annotation was computed. [2021-11-19 13:39:31,848 INFO L858 garLoopResultBuilder]: For program point L216(lines 216 224) no Hoare annotation was computed. [2021-11-19 13:39:31,848 INFO L858 garLoopResultBuilder]: For program point L18-1(lines 18 22) no Hoare annotation was computed. [2021-11-19 13:39:31,848 INFO L854 garLoopResultBuilder]: At program point L18-2(lines 18 22) the Hoare annotation is: false [2021-11-19 13:39:31,849 INFO L858 garLoopResultBuilder]: For program point L18-3(lines 18 22) no Hoare annotation was computed. [2021-11-19 13:39:31,849 INFO L854 garLoopResultBuilder]: At program point L283(line 283) the Hoare annotation is: false [2021-11-19 13:39:31,849 INFO L858 garLoopResultBuilder]: For program point L283-1(line 283) no Hoare annotation was computed. [2021-11-19 13:39:31,849 INFO L858 garLoopResultBuilder]: For program point L316-2(lines 316 317) no Hoare annotation was computed. [2021-11-19 13:39:31,849 INFO L854 garLoopResultBuilder]: At program point L316-3(lines 316 317) the Hoare annotation is: false [2021-11-19 13:39:31,849 INFO L858 garLoopResultBuilder]: For program point L316-4(lines 306 346) no Hoare annotation was computed. [2021-11-19 13:39:31,849 INFO L858 garLoopResultBuilder]: For program point L449(lines 449 468) no Hoare annotation was computed. [2021-11-19 13:39:31,849 INFO L858 garLoopResultBuilder]: For program point L449-1(lines 437 469) no Hoare annotation was computed. [2021-11-19 13:39:31,849 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-19 13:39:31,849 INFO L858 garLoopResultBuilder]: For program point L284(lines 284 291) no Hoare annotation was computed. [2021-11-19 13:39:31,850 INFO L858 garLoopResultBuilder]: For program point L251(lines 251 252) no Hoare annotation was computed. [2021-11-19 13:39:31,850 INFO L854 garLoopResultBuilder]: At program point L284-2(lines 275 292) the Hoare annotation is: false [2021-11-19 13:39:31,850 INFO L858 garLoopResultBuilder]: For program point L318-1(line 318) no Hoare annotation was computed. [2021-11-19 13:39:31,850 INFO L854 garLoopResultBuilder]: At program point L252(line 252) the Hoare annotation is: false [2021-11-19 13:39:31,850 INFO L858 garLoopResultBuilder]: For program point L252-1(line 252) no Hoare annotation was computed. [2021-11-19 13:39:31,850 INFO L858 garLoopResultBuilder]: For program point L153(lines 153 157) no Hoare annotation was computed. [2021-11-19 13:39:31,850 INFO L858 garLoopResultBuilder]: For program point L153-1(lines 146 159) no Hoare annotation was computed. [2021-11-19 13:39:31,851 INFO L858 garLoopResultBuilder]: For program point L153-2(lines 153 157) no Hoare annotation was computed. [2021-11-19 13:39:31,851 INFO L858 garLoopResultBuilder]: For program point L187(lines 187 188) no Hoare annotation was computed. [2021-11-19 13:39:31,851 INFO L858 garLoopResultBuilder]: For program point L187-2(lines 187 188) no Hoare annotation was computed. [2021-11-19 13:39:31,851 INFO L854 garLoopResultBuilder]: At program point L55(lines 15 56) the Hoare annotation is: false [2021-11-19 13:39:31,851 INFO L854 garLoopResultBuilder]: At program point L584(lines 584 614) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and (= |ULTIMATE.start_sin_float_#res#1| .cse0) (= |ULTIMATE.start_sin_float_~x#1| .cse0))) [2021-11-19 13:39:31,851 INFO L858 garLoopResultBuilder]: For program point L485-1(lines 485 489) no Hoare annotation was computed. [2021-11-19 13:39:31,851 INFO L854 garLoopResultBuilder]: At program point L485-2(lines 485 489) the Hoare annotation is: false [2021-11-19 13:39:31,851 INFO L858 garLoopResultBuilder]: For program point L485-3(lines 485 489) no Hoare annotation was computed. [2021-11-19 13:39:31,852 INFO L858 garLoopResultBuilder]: For program point L320-2(lines 320 321) no Hoare annotation was computed. [2021-11-19 13:39:31,852 INFO L858 garLoopResultBuilder]: For program point L221(lines 221 224) no Hoare annotation was computed. [2021-11-19 13:39:31,852 INFO L854 garLoopResultBuilder]: At program point L320-3(lines 320 321) the Hoare annotation is: false [2021-11-19 13:39:31,852 INFO L858 garLoopResultBuilder]: For program point L320-4(lines 306 346) no Hoare annotation was computed. [2021-11-19 13:39:31,852 INFO L858 garLoopResultBuilder]: For program point L420(lines 420 427) no Hoare annotation was computed. [2021-11-19 13:39:31,852 INFO L858 garLoopResultBuilder]: For program point L420-2(lines 420 427) no Hoare annotation was computed. [2021-11-19 13:39:31,852 INFO L858 garLoopResultBuilder]: For program point L322-1(line 322) no Hoare annotation was computed. [2021-11-19 13:39:31,852 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-19 13:39:31,852 INFO L858 garLoopResultBuilder]: For program point L223(lines 223 224) no Hoare annotation was computed. [2021-11-19 13:39:31,853 INFO L858 garLoopResultBuilder]: For program point L256-1(lines 178 348) no Hoare annotation was computed. [2021-11-19 13:39:31,853 INFO L858 garLoopResultBuilder]: For program point L223-2(lines 178 348) no Hoare annotation was computed. [2021-11-19 13:39:31,853 INFO L858 garLoopResultBuilder]: For program point L25(lines 25 49) no Hoare annotation was computed. [2021-11-19 13:39:31,853 INFO L858 garLoopResultBuilder]: For program point L455-1(lines 455 459) no Hoare annotation was computed. [2021-11-19 13:39:31,854 INFO L854 garLoopResultBuilder]: At program point L455-2(lines 455 459) the Hoare annotation is: false [2021-11-19 13:39:31,854 INFO L858 garLoopResultBuilder]: For program point L455-3(lines 455 459) no Hoare annotation was computed. [2021-11-19 13:39:31,854 INFO L854 garLoopResultBuilder]: At program point L158(lines 146 159) the Hoare annotation is: false [2021-11-19 13:39:31,854 INFO L858 garLoopResultBuilder]: For program point L26(lines 26 43) no Hoare annotation was computed. [2021-11-19 13:39:31,854 INFO L858 garLoopResultBuilder]: For program point L588-1(lines 588 592) no Hoare annotation was computed. [2021-11-19 13:39:31,855 INFO L854 garLoopResultBuilder]: At program point L588-2(lines 588 592) the Hoare annotation is: (= |ULTIMATE.start_sin_float_~x#1| (fp.neg (_ +zero 8 24))) [2021-11-19 13:39:31,855 INFO L858 garLoopResultBuilder]: For program point L588-3(lines 588 592) no Hoare annotation was computed. [2021-11-19 13:39:31,855 INFO L858 garLoopResultBuilder]: For program point L324(line 324) no Hoare annotation was computed. [2021-11-19 13:39:31,855 INFO L858 garLoopResultBuilder]: For program point L258-2(lines 258 259) no Hoare annotation was computed. [2021-11-19 13:39:31,855 INFO L854 garLoopResultBuilder]: At program point L258-3(lines 258 259) the Hoare annotation is: false [2021-11-19 13:39:31,856 INFO L858 garLoopResultBuilder]: For program point L258-4(lines 256 273) no Hoare annotation was computed. [2021-11-19 13:39:31,856 INFO L858 garLoopResultBuilder]: For program point L27(lines 27 33) no Hoare annotation was computed. [2021-11-19 13:39:31,856 INFO L858 garLoopResultBuilder]: For program point L490-2(lines 490 493) no Hoare annotation was computed. [2021-11-19 13:39:31,856 INFO L854 garLoopResultBuilder]: At program point L490-3(lines 490 493) the Hoare annotation is: false [2021-11-19 13:39:31,856 INFO L858 garLoopResultBuilder]: For program point L490-4(lines 490 493) no Hoare annotation was computed. [2021-11-19 13:39:31,857 INFO L858 garLoopResultBuilder]: For program point L325-2(lines 325 329) no Hoare annotation was computed. [2021-11-19 13:39:31,857 INFO L858 garLoopResultBuilder]: For program point L226(lines 178 348) no Hoare annotation was computed. [2021-11-19 13:39:31,857 INFO L854 garLoopResultBuilder]: At program point L325-3(lines 325 329) the Hoare annotation is: false [2021-11-19 13:39:31,857 INFO L858 garLoopResultBuilder]: For program point L325-4(lines 325 329) no Hoare annotation was computed. [2021-11-19 13:39:31,857 INFO L858 garLoopResultBuilder]: For program point L193-2(lines 193 194) no Hoare annotation was computed. [2021-11-19 13:39:31,858 INFO L854 garLoopResultBuilder]: At program point L193-3(lines 193 194) the Hoare annotation is: false [2021-11-19 13:39:31,858 INFO L858 garLoopResultBuilder]: For program point L193-4(lines 193 194) no Hoare annotation was computed. [2021-11-19 13:39:31,858 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-19 13:39:31,858 INFO L858 garLoopResultBuilder]: For program point L28(lines 28 32) no Hoare annotation was computed. [2021-11-19 13:39:31,858 INFO L858 garLoopResultBuilder]: For program point L61-1(lines 61 65) no Hoare annotation was computed. [2021-11-19 13:39:31,859 INFO L854 garLoopResultBuilder]: At program point L61-2(lines 61 65) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and |ULTIMATE.start_main_#t~short134#1| (= |ULTIMATE.start_sin_float_#res#1| .cse0) (= .cse0 |ULTIMATE.start___signbit_float_~x#1|) (= |ULTIMATE.start_main_~res~0#1| .cse0) (= |ULTIMATE.start_sin_float_~x#1| .cse0))) [2021-11-19 13:39:31,859 INFO L858 garLoopResultBuilder]: For program point L61-3(lines 61 65) no Hoare annotation was computed. [2021-11-19 13:39:31,859 INFO L858 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2021-11-19 13:39:31,859 INFO L858 garLoopResultBuilder]: For program point L194-2(line 194) no Hoare annotation was computed. [2021-11-19 13:39:31,859 INFO L858 garLoopResultBuilder]: For program point L294(line 294) no Hoare annotation was computed. [2021-11-19 13:39:31,860 INFO L858 garLoopResultBuilder]: For program point L261-1(lines 261 262) no Hoare annotation was computed. [2021-11-19 13:39:31,860 INFO L858 garLoopResultBuilder]: For program point L261-3(lines 261 262) no Hoare annotation was computed. [2021-11-19 13:39:31,860 INFO L854 garLoopResultBuilder]: At program point L261-4(lines 261 262) the Hoare annotation is: false [2021-11-19 13:39:31,860 INFO L858 garLoopResultBuilder]: For program point L261-5(lines 261 262) no Hoare annotation was computed. [2021-11-19 13:39:31,860 INFO L858 garLoopResultBuilder]: For program point L30(lines 30 32) no Hoare annotation was computed. [2021-11-19 13:39:31,861 INFO L858 garLoopResultBuilder]: For program point L295-2(lines 295 298) no Hoare annotation was computed. [2021-11-19 13:39:31,861 INFO L854 garLoopResultBuilder]: At program point L295-3(lines 295 298) the Hoare annotation is: false [2021-11-19 13:39:31,861 INFO L858 garLoopResultBuilder]: For program point L229-2(lines 229 238) no Hoare annotation was computed. [2021-11-19 13:39:31,861 INFO L858 garLoopResultBuilder]: For program point L295-4(lines 295 298) no Hoare annotation was computed. [2021-11-19 13:39:31,861 INFO L858 garLoopResultBuilder]: For program point L196-2(lines 196 200) no Hoare annotation was computed. [2021-11-19 13:39:31,861 INFO L854 garLoopResultBuilder]: At program point L229-3(lines 229 238) the Hoare annotation is: false [2021-11-19 13:39:31,862 INFO L854 garLoopResultBuilder]: At program point L196-3(lines 196 200) the Hoare annotation is: false [2021-11-19 13:39:31,862 INFO L858 garLoopResultBuilder]: For program point L229-4(lines 226 254) no Hoare annotation was computed. [2021-11-19 13:39:31,862 INFO L858 garLoopResultBuilder]: For program point L196-4(lines 196 200) no Hoare annotation was computed. [2021-11-19 13:39:31,862 INFO L858 garLoopResultBuilder]: For program point L461(lines 461 467) no Hoare annotation was computed. [2021-11-19 13:39:31,862 INFO L858 garLoopResultBuilder]: For program point L395-1(lines 395 399) no Hoare annotation was computed. [2021-11-19 13:39:31,863 INFO L854 garLoopResultBuilder]: At program point L395-2(lines 395 399) the Hoare annotation is: false [2021-11-19 13:39:31,863 INFO L858 garLoopResultBuilder]: For program point L395-3(lines 395 399) no Hoare annotation was computed. [2021-11-19 13:39:31,863 INFO L858 garLoopResultBuilder]: For program point L197-2(lines 197 198) no Hoare annotation was computed. [2021-11-19 13:39:31,863 INFO L854 garLoopResultBuilder]: At program point L197-3(lines 197 198) the Hoare annotation is: false [2021-11-19 13:39:31,863 INFO L858 garLoopResultBuilder]: For program point L197-4(lines 197 198) no Hoare annotation was computed. [2021-11-19 13:39:31,864 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-19 13:39:31,864 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 629) no Hoare annotation was computed. [2021-11-19 13:39:31,864 INFO L858 garLoopResultBuilder]: For program point L330-2(lines 330 334) no Hoare annotation was computed. [2021-11-19 13:39:31,864 INFO L858 garLoopResultBuilder]: For program point L231(lines 231 237) no Hoare annotation was computed. [2021-11-19 13:39:31,864 INFO L854 garLoopResultBuilder]: At program point L330-3(lines 330 334) the Hoare annotation is: false [2021-11-19 13:39:31,865 INFO L858 garLoopResultBuilder]: For program point L264-2(lines 264 269) no Hoare annotation was computed. [2021-11-19 13:39:31,865 INFO L858 garLoopResultBuilder]: For program point L330-4(lines 330 334) no Hoare annotation was computed. [2021-11-19 13:39:31,865 INFO L854 garLoopResultBuilder]: At program point L264-3(lines 264 269) the Hoare annotation is: false [2021-11-19 13:39:31,865 INFO L858 garLoopResultBuilder]: For program point L264-4(lines 264 269) no Hoare annotation was computed. [2021-11-19 13:39:31,865 INFO L858 garLoopResultBuilder]: For program point L628(line 628) no Hoare annotation was computed. [2021-11-19 13:39:31,866 INFO L858 garLoopResultBuilder]: For program point L595(lines 595 613) no Hoare annotation was computed. [2021-11-19 13:39:31,866 INFO L858 garLoopResultBuilder]: For program point L628-2(lines 628 631) no Hoare annotation was computed. [2021-11-19 13:39:31,866 INFO L858 garLoopResultBuilder]: For program point L496-1(lines 496 497) no Hoare annotation was computed. [2021-11-19 13:39:31,866 INFO L854 garLoopResultBuilder]: At program point L496-3(lines 496 497) the Hoare annotation is: false [2021-11-19 13:39:31,866 INFO L858 garLoopResultBuilder]: For program point L496-4(lines 496 497) no Hoare annotation was computed. [2021-11-19 13:39:31,867 INFO L858 garLoopResultBuilder]: For program point L232(lines 232 235) no Hoare annotation was computed. [2021-11-19 13:39:31,867 INFO L854 garLoopResultBuilder]: At program point L67(lines 58 68) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and |ULTIMATE.start_main_#t~short134#1| (= |ULTIMATE.start_sin_float_#res#1| .cse0) (= |ULTIMATE.start___signbit_float_#res#1| (_ bv1 32)) (= .cse0 |ULTIMATE.start___signbit_float_~x#1|) (= .cse0 (fp ((_ extract 31 31) |ULTIMATE.start___signbit_float_~w~0#1|) ((_ extract 30 23) |ULTIMATE.start___signbit_float_~w~0#1|) ((_ extract 22 0) |ULTIMATE.start___signbit_float_~w~0#1|))) (= |ULTIMATE.start_main_~res~0#1| .cse0) (= |ULTIMATE.start_sin_float_~x#1| .cse0))) [2021-11-19 13:39:31,867 INFO L858 garLoopResultBuilder]: For program point L629(line 629) no Hoare annotation was computed. [2021-11-19 13:39:31,867 INFO L854 garLoopResultBuilder]: At program point L596(line 596) the Hoare annotation is: (= |ULTIMATE.start_sin_float_~x#1| (fp.neg (_ +zero 8 24))) [2021-11-19 13:39:31,868 INFO L858 garLoopResultBuilder]: For program point L596-1(line 596) no Hoare annotation was computed. [2021-11-19 13:39:31,868 INFO L858 garLoopResultBuilder]: For program point L431(lines 431 477) no Hoare annotation was computed. [2021-11-19 13:39:31,868 INFO L858 garLoopResultBuilder]: For program point L266-2(lines 266 267) no Hoare annotation was computed. [2021-11-19 13:39:31,868 INFO L854 garLoopResultBuilder]: At program point L266-3(lines 266 267) the Hoare annotation is: false [2021-11-19 13:39:31,868 INFO L858 garLoopResultBuilder]: For program point L266-4(lines 266 267) no Hoare annotation was computed. [2021-11-19 13:39:31,868 INFO L861 garLoopResultBuilder]: At program point L122(line 122) the Hoare annotation is: true [2021-11-19 13:39:31,869 INFO L858 garLoopResultBuilder]: For program point L122-1(line 122) no Hoare annotation was computed. [2021-11-19 13:39:31,869 INFO L861 garLoopResultBuilder]: At program point L135(line 135) the Hoare annotation is: true [2021-11-19 13:39:31,869 INFO L858 garLoopResultBuilder]: For program point L135-1(line 135) no Hoare annotation was computed. [2021-11-19 13:39:31,869 INFO L858 garLoopResultBuilder]: For program point L131(lines 131 136) no Hoare annotation was computed. [2021-11-19 13:39:31,869 INFO L858 garLoopResultBuilder]: For program point L98-1(lines 98 102) no Hoare annotation was computed. [2021-11-19 13:39:31,870 INFO L861 garLoopResultBuilder]: At program point L98-2(lines 98 102) the Hoare annotation is: true [2021-11-19 13:39:31,870 INFO L858 garLoopResultBuilder]: For program point L98-3(lines 98 102) no Hoare annotation was computed. [2021-11-19 13:39:31,870 INFO L858 garLoopResultBuilder]: For program point L123(lines 123 130) no Hoare annotation was computed. [2021-11-19 13:39:31,870 INFO L858 garLoopResultBuilder]: For program point L111-1(lines 111 115) no Hoare annotation was computed. [2021-11-19 13:39:31,870 INFO L861 garLoopResultBuilder]: At program point L111-2(lines 111 115) the Hoare annotation is: true [2021-11-19 13:39:31,871 INFO L858 garLoopResultBuilder]: For program point scalbn_floatFINAL(lines 94 144) no Hoare annotation was computed. [2021-11-19 13:39:31,871 INFO L858 garLoopResultBuilder]: For program point L111-3(lines 111 115) no Hoare annotation was computed. [2021-11-19 13:39:31,871 INFO L858 garLoopResultBuilder]: For program point L107(lines 107 108) no Hoare annotation was computed. [2021-11-19 13:39:31,871 INFO L858 garLoopResultBuilder]: For program point L132(lines 132 135) no Hoare annotation was computed. [2021-11-19 13:39:31,871 INFO L858 garLoopResultBuilder]: For program point L124-1(lines 124 128) no Hoare annotation was computed. [2021-11-19 13:39:31,872 INFO L861 garLoopResultBuilder]: At program point L124-2(lines 124 128) the Hoare annotation is: true [2021-11-19 13:39:31,872 INFO L858 garLoopResultBuilder]: For program point L124-3(lines 124 128) no Hoare annotation was computed. [2021-11-19 13:39:31,872 INFO L858 garLoopResultBuilder]: For program point scalbn_floatEXIT(lines 94 144) no Hoare annotation was computed. [2021-11-19 13:39:31,872 INFO L861 garLoopResultBuilder]: At program point scalbn_floatENTRY(lines 94 144) the Hoare annotation is: true [2021-11-19 13:39:31,872 INFO L861 garLoopResultBuilder]: At program point L133(line 133) the Hoare annotation is: true [2021-11-19 13:39:31,873 INFO L858 garLoopResultBuilder]: For program point L133-1(line 133) no Hoare annotation was computed. [2021-11-19 13:39:31,873 INFO L858 garLoopResultBuilder]: For program point L121(lines 121 122) no Hoare annotation was computed. [2021-11-19 13:39:31,873 INFO L858 garLoopResultBuilder]: For program point L117(lines 117 118) no Hoare annotation was computed. [2021-11-19 13:39:31,873 INFO L858 garLoopResultBuilder]: For program point L109(lines 109 119) no Hoare annotation was computed. [2021-11-19 13:39:31,873 INFO L858 garLoopResultBuilder]: For program point L109-2(lines 109 119) no Hoare annotation was computed. [2021-11-19 13:39:31,873 INFO L858 garLoopResultBuilder]: For program point L105(lines 105 106) no Hoare annotation was computed. [2021-11-19 13:39:31,873 INFO L858 garLoopResultBuilder]: For program point L138-1(lines 138 142) no Hoare annotation was computed. [2021-11-19 13:39:31,873 INFO L861 garLoopResultBuilder]: At program point L138-2(lines 138 142) the Hoare annotation is: true [2021-11-19 13:39:31,873 INFO L858 garLoopResultBuilder]: For program point L138-3(lines 138 142) no Hoare annotation was computed. [2021-11-19 13:39:31,876 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2021-11-19 13:39:31,878 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-19 13:39:31,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 01:39:31 BoogieIcfgContainer [2021-11-19 13:39:31,917 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-19 13:39:31,918 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-19 13:39:31,918 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-19 13:39:31,919 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-19 13:39:31,919 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:38:41" (3/4) ... [2021-11-19 13:39:31,922 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-19 13:39:31,929 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __kernel_cosf [2021-11-19 13:39:31,929 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure copysign_float [2021-11-19 13:39:31,929 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __kernel_sinf [2021-11-19 13:39:31,930 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure scalbn_float [2021-11-19 13:39:31,959 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 80 nodes and edges [2021-11-19 13:39:31,963 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2021-11-19 13:39:31,966 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-19 13:39:31,969 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-19 13:39:32,009 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) [2021-11-19 13:39:32,010 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) [2021-11-19 13:39:32,011 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((aux-res == -0.0f && __signbit_float(res) == 1-aux && \result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == x) && res == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) [2021-11-19 13:39:32,011 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((aux-res == -0.0f && __signbit_float(res) == 1-aux && \result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && \result == 1bv32) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == x) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0])) && res == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) [2021-11-19 13:39:32,295 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9d9465-b66b-4b7d-9064-95ce8fb685b3/bin/utaipan-UbGMyvGFUs/witness.graphml [2021-11-19 13:39:32,295 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-19 13:39:32,298 INFO L158 Benchmark]: Toolchain (without parser) took 90072.79ms. Allocated memory was 71.3MB in the beginning and 100.7MB in the end (delta: 29.4MB). Free memory was 51.6MB in the beginning and 46.3MB in the end (delta: 5.3MB). Peak memory consumption was 51.8MB. Max. memory is 16.1GB. [2021-11-19 13:39:32,298 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 71.3MB. Free memory was 52.3MB in the beginning and 52.2MB in the end (delta: 95.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 13:39:32,299 INFO L158 Benchmark]: CACSL2BoogieTranslator took 919.91ms. Allocated memory is still 71.3MB. Free memory was 51.4MB in the beginning and 31.6MB in the end (delta: 19.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-11-19 13:39:32,299 INFO L158 Benchmark]: Boogie Procedure Inliner took 206.98ms. Allocated memory was 71.3MB in the beginning and 100.7MB in the end (delta: 29.4MB). Free memory was 31.6MB in the beginning and 76.2MB in the end (delta: -44.6MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. [2021-11-19 13:39:32,300 INFO L158 Benchmark]: Boogie Preprocessor took 165.48ms. Allocated memory is still 100.7MB. Free memory was 76.2MB in the beginning and 68.4MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-19 13:39:32,300 INFO L158 Benchmark]: RCFGBuilder took 37619.91ms. Allocated memory is still 100.7MB. Free memory was 68.4MB in the beginning and 57.3MB in the end (delta: 11.1MB). Peak memory consumption was 34.6MB. Max. memory is 16.1GB. [2021-11-19 13:39:32,301 INFO L158 Benchmark]: TraceAbstraction took 50767.30ms. Allocated memory is still 100.7MB. Free memory was 56.7MB in the beginning and 35.5MB in the end (delta: 21.3MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. [2021-11-19 13:39:32,302 INFO L158 Benchmark]: Witness Printer took 378.73ms. Allocated memory is still 100.7MB. Free memory was 35.5MB in the beginning and 46.3MB in the end (delta: -10.8MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. [2021-11-19 13:39:32,304 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 71.3MB. Free memory was 52.3MB in the beginning and 52.2MB in the end (delta: 95.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 919.91ms. Allocated memory is still 71.3MB. Free memory was 51.4MB in the beginning and 31.6MB in the end (delta: 19.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 206.98ms. Allocated memory was 71.3MB in the beginning and 100.7MB in the end (delta: 29.4MB). Free memory was 31.6MB in the beginning and 76.2MB in the end (delta: -44.6MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 165.48ms. Allocated memory is still 100.7MB. Free memory was 76.2MB in the beginning and 68.4MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 37619.91ms. Allocated memory is still 100.7MB. Free memory was 68.4MB in the beginning and 57.3MB in the end (delta: 11.1MB). Peak memory consumption was 34.6MB. Max. memory is 16.1GB. * TraceAbstraction took 50767.30ms. Allocated memory is still 100.7MB. Free memory was 56.7MB in the beginning and 35.5MB in the end (delta: 21.3MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. * Witness Printer took 378.73ms. Allocated memory is still 100.7MB. Free memory was 35.5MB in the beginning and 46.3MB in the end (delta: -10.8MB). Peak memory consumption was 6.6MB. 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 - PositiveResult [Line: 629]: 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, 249 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 50.7s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 22.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 8 mSolverCounterUnknown, 125 SdHoareTripleChecker+Valid, 19.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 122 mSDsluCounter, 938 SdHoareTripleChecker+Invalid, 19.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 76 IncrementalHoareTripleChecker+Unchecked, 481 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 165 IncrementalHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 457 mSDtfsCounter, 165 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 221 GetRequests, 153 SyntacticMatches, 3 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 6.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=249occurred in iteration=0, InterpolantAutomatonStates: 42, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 63 LocationsWithAnnotation, 148 PreInvPairs, 155 NumberOfFragments, 126 HoareAnnotationTreeSize, 148 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 63 FomulaSimplificationsInter, 34 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 13.1s SatisfiabilityAnalysisTime, 12.7s InterpolantComputationTime, 108 NumberOfCodeBlocks, 108 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 204 ConstructedInterpolants, 36 QuantifiedInterpolants, 1344 SizeOfPredicates, 33 NumberOfNonLiveVariables, 2241 ConjunctsInSsa, 54 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 490]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 300]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 562]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 295]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 485]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 588]: Loop Invariant Derived loop invariant: x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 389]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 395]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 330]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 205]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: (((aux-res == -0.0f && __signbit_float(res) == 1-aux && \result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == x) && res == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: x == \old(x) - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: (((((aux-res == -0.0f && __signbit_float(res) == 1-aux && \result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && \result == 1bv32) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == x) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0])) && res == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 197]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 584]: Loop Invariant Derived loop invariant: \result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 229]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 264]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 325]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 278]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 320]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 98]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-11-19 13:39:32,462 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9d9465-b66b-4b7d-9064-95ce8fb685b3/bin/utaipan-UbGMyvGFUs/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