./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 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f153f86-08e8-4a4c-ba20-babaf65d95bd/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f153f86-08e8-4a4c-ba20-babaf65d95bd/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f153f86-08e8-4a4c-ba20-babaf65d95bd/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f153f86-08e8-4a4c-ba20-babaf65d95bd/bin/utaipan-TEXQjIfE4P/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_8f153f86-08e8-4a4c-ba20-babaf65d95bd/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f153f86-08e8-4a4c-ba20-babaf65d95bd/bin/utaipan-TEXQjIfE4P --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash eba0d69032dcca3a4fd537674be713f074cf8e41be9cc562a35b9ffa9def96ba --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 23:16:06,735 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 23:16:06,738 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 23:16:06,799 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 23:16:06,800 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 23:16:06,801 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 23:16:06,803 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 23:16:06,806 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 23:16:06,808 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 23:16:06,809 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 23:16:06,811 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 23:16:06,812 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 23:16:06,813 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 23:16:06,815 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 23:16:06,816 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 23:16:06,818 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 23:16:06,820 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 23:16:06,821 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 23:16:06,824 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 23:16:06,826 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 23:16:06,829 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 23:16:06,836 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 23:16:06,837 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 23:16:06,839 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 23:16:06,843 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 23:16:06,843 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 23:16:06,844 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 23:16:06,845 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 23:16:06,846 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 23:16:06,856 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 23:16:06,856 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 23:16:06,857 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 23:16:06,860 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 23:16:06,861 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 23:16:06,863 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 23:16:06,863 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 23:16:06,864 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 23:16:06,864 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 23:16:06,865 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 23:16:06,866 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 23:16:06,867 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 23:16:06,868 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f153f86-08e8-4a4c-ba20-babaf65d95bd/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-20 23:16:06,930 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 23:16:06,931 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 23:16:06,931 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 23:16:06,932 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 23:16:06,939 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 23:16:06,940 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 23:16:06,940 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-20 23:16:06,940 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-20 23:16:06,940 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-20 23:16:06,941 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-20 23:16:06,942 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-20 23:16:06,942 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-20 23:16:06,942 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-20 23:16:06,943 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-20 23:16:06,943 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-20 23:16:06,943 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-20 23:16:06,944 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-20 23:16:06,944 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-20 23:16:06,945 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 23:16:06,945 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 23:16:06,945 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 23:16:06,945 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 23:16:06,946 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 23:16:06,946 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 23:16:06,946 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 23:16:06,947 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 23:16:06,948 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 23:16:06,948 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 23:16:06,949 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 23:16:06,949 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 23:16:06,949 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 23:16:06,950 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 23:16:06,950 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:16:06,950 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 23:16:06,951 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 23:16:06,951 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 23:16:06,951 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-20 23:16:06,951 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 23:16:06,952 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 23:16:06,952 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 23:16:06,952 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 23:16:06,952 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_8f153f86-08e8-4a4c-ba20-babaf65d95bd/bin/utaipan-TEXQjIfE4P/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f153f86-08e8-4a4c-ba20-babaf65d95bd/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eba0d69032dcca3a4fd537674be713f074cf8e41be9cc562a35b9ffa9def96ba [2021-11-20 23:16:07,215 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 23:16:07,236 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 23:16:07,238 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 23:16:07,240 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 23:16:07,240 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 23:16:07,242 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f153f86-08e8-4a4c-ba20-babaf65d95bd/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/float-newlib/float_req_bl_0220b.c [2021-11-20 23:16:07,310 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f153f86-08e8-4a4c-ba20-babaf65d95bd/bin/utaipan-TEXQjIfE4P/data/eaa1fd416/b60e1ed6eca4461f93ca4cc58d3ad67d/FLAGe95aa433f [2021-11-20 23:16:07,895 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 23:16:07,896 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f153f86-08e8-4a4c-ba20-babaf65d95bd/sv-benchmarks/c/float-newlib/float_req_bl_0220b.c [2021-11-20 23:16:07,917 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f153f86-08e8-4a4c-ba20-babaf65d95bd/bin/utaipan-TEXQjIfE4P/data/eaa1fd416/b60e1ed6eca4461f93ca4cc58d3ad67d/FLAGe95aa433f [2021-11-20 23:16:08,174 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f153f86-08e8-4a4c-ba20-babaf65d95bd/bin/utaipan-TEXQjIfE4P/data/eaa1fd416/b60e1ed6eca4461f93ca4cc58d3ad67d [2021-11-20 23:16:08,177 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 23:16:08,178 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 23:16:08,180 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 23:16:08,180 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 23:16:08,197 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 23:16:08,197 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:16:08" (1/1) ... [2021-11-20 23:16:08,198 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79c7d9da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:16:08, skipping insertion in model container [2021-11-20 23:16:08,198 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:16:08" (1/1) ... [2021-11-20 23:16:08,207 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 23:16:08,271 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 23:16:08,632 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_8f153f86-08e8-4a4c-ba20-babaf65d95bd/sv-benchmarks/c/float-newlib/float_req_bl_0220b.c[15845,15858] [2021-11-20 23:16:08,635 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:16:08,678 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 23:16:08,822 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_8f153f86-08e8-4a4c-ba20-babaf65d95bd/sv-benchmarks/c/float-newlib/float_req_bl_0220b.c[15845,15858] [2021-11-20 23:16:08,823 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:16:08,870 INFO L208 MainTranslator]: Completed translation [2021-11-20 23:16:08,872 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:16:08 WrapperNode [2021-11-20 23:16:08,872 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 23:16:08,876 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 23:16:08,877 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 23:16:08,877 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 23:16:08,886 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:16:08" (1/1) ... [2021-11-20 23:16:08,944 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:16:08" (1/1) ... [2021-11-20 23:16:09,032 INFO L137 Inliner]: procedures = 25, calls = 495, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 1156 [2021-11-20 23:16:09,035 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 23:16:09,038 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 23:16:09,038 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 23:16:09,038 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 23:16:09,047 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:16:08" (1/1) ... [2021-11-20 23:16:09,048 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:16:08" (1/1) ... [2021-11-20 23:16:09,059 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:16:08" (1/1) ... [2021-11-20 23:16:09,059 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:16:08" (1/1) ... [2021-11-20 23:16:09,114 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:16:08" (1/1) ... [2021-11-20 23:16:09,133 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:16:08" (1/1) ... [2021-11-20 23:16:09,140 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:16:08" (1/1) ... [2021-11-20 23:16:09,153 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 23:16:09,154 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 23:16:09,154 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 23:16:09,155 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 23:16:09,156 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:16:08" (1/1) ... [2021-11-20 23:16:09,165 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:16:09,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f153f86-08e8-4a4c-ba20-babaf65d95bd/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:16:09,194 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f153f86-08e8-4a4c-ba20-babaf65d95bd/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 23:16:09,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f153f86-08e8-4a4c-ba20-babaf65d95bd/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 23:16:09,270 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_cosf [2021-11-20 23:16:09,270 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_cosf [2021-11-20 23:16:09,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 23:16:09,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 23:16:09,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-11-20 23:16:09,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 23:16:09,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-11-20 23:16:09,272 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_sinf [2021-11-20 23:16:09,273 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_sinf [2021-11-20 23:16:09,273 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_float [2021-11-20 23:16:09,273 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_float [2021-11-20 23:16:09,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 23:16:09,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-11-20 23:16:09,274 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2021-11-20 23:16:09,274 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2021-11-20 23:16:09,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 23:16:09,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 23:16:09,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 23:16:09,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 23:16:09,599 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 23:16:09,601 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 23:16:10,884 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 23:16:11,133 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 23:16:11,133 INFO L301 CfgBuilder]: Removed 61 assume(true) statements. [2021-11-20 23:16:11,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:16:11 BoogieIcfgContainer [2021-11-20 23:16:11,137 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 23:16:11,139 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 23:16:11,139 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 23:16:11,143 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 23:16:11,143 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:16:08" (1/3) ... [2021-11-20 23:16:11,144 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@420f6913 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:16:11, skipping insertion in model container [2021-11-20 23:16:11,144 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:16:08" (2/3) ... [2021-11-20 23:16:11,145 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@420f6913 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:16:11, skipping insertion in model container [2021-11-20 23:16:11,145 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:16:11" (3/3) ... [2021-11-20 23:16:11,147 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0220b.c [2021-11-20 23:16:11,154 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 23:16:11,154 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 23:16:11,214 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 23:16:11,222 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-20 23:16:11,223 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 23:16:11,250 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) [2021-11-20 23:16:11,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-20 23:16:11,256 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:16:11,257 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:16:11,258 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:16:11,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:16:11,265 INFO L85 PathProgramCache]: Analyzing trace with hash 378648010, now seen corresponding path program 1 times [2021-11-20 23:16:11,276 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:16:11,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728266437] [2021-11-20 23:16:11,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:16:11,278 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:16:11,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:16:11,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:16:11,645 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:16:11,645 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728266437] [2021-11-20 23:16:11,647 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728266437] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:16:11,648 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:16:11,648 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 23:16:11,651 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872858375] [2021-11-20 23:16:11,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:16:11,656 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-20 23:16:11,657 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:16:11,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-20 23:16:11,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 23:16:11,695 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) [2021-11-20 23:16:11,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:16:11,914 INFO L93 Difference]: Finished difference Result 343 states and 577 transitions. [2021-11-20 23:16:11,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 23:16:11,916 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-11-20 23:16:11,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:16:11,928 INFO L225 Difference]: With dead ends: 343 [2021-11-20 23:16:11,928 INFO L226 Difference]: Without dead ends: 170 [2021-11-20 23:16:11,934 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 23:16:11,938 INFO L933 BasicCegarLoop]: 187 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 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 [2021-11-20 23:16:11,940 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] [2021-11-20 23:16:11,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2021-11-20 23:16:11,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 170. [2021-11-20 23:16:11,996 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) [2021-11-20 23:16:12,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 237 transitions. [2021-11-20 23:16:12,002 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 237 transitions. Word has length 9 [2021-11-20 23:16:12,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:16:12,003 INFO L470 AbstractCegarLoop]: Abstraction has 170 states and 237 transitions. [2021-11-20 23:16:12,003 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:16:12,004 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 237 transitions. [2021-11-20 23:16:12,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-20 23:16:12,005 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:16:12,005 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:16:12,005 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 23:16:12,005 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:16:12,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:16:12,007 INFO L85 PathProgramCache]: Analyzing trace with hash 127877254, now seen corresponding path program 1 times [2021-11-20 23:16:12,007 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:16:12,007 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476110591] [2021-11-20 23:16:12,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:16:12,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:16:12,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 23:16:12,192 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 23:16:12,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 23:16:12,379 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-20 23:16:12,380 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-20 23:16:12,385 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-20 23:16:12,388 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 23:16:12,392 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-11-20 23:16:12,396 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-20 23:16:12,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 11:16:12 BoogieIcfgContainer [2021-11-20 23:16:12,492 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-20 23:16:12,493 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 23:16:12,494 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 23:16:12,494 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 23:16:12,498 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:16:11" (3/4) ... [2021-11-20 23:16:12,502 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-20 23:16:12,502 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 23:16:12,504 INFO L158 Benchmark]: Toolchain (without parser) took 4324.79ms. Allocated memory was 96.5MB in the beginning and 190.8MB in the end (delta: 94.4MB). Free memory was 72.2MB in the beginning and 122.4MB in the end (delta: -50.3MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2021-11-20 23:16:12,505 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 96.5MB. Free memory was 68.7MB in the beginning and 68.6MB in the end (delta: 53.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 23:16:12,512 INFO L158 Benchmark]: CACSL2BoogieTranslator took 694.99ms. Allocated memory is still 96.5MB. Free memory was 72.0MB in the beginning and 51.2MB in the end (delta: 20.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-11-20 23:16:12,513 INFO L158 Benchmark]: Boogie Procedure Inliner took 161.34ms. Allocated memory is still 96.5MB. Free memory was 51.2MB in the beginning and 43.9MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-20 23:16:12,514 INFO L158 Benchmark]: Boogie Preprocessor took 115.78ms. Allocated memory is still 96.5MB. Free memory was 43.9MB in the beginning and 37.2MB in the end (delta: 6.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-20 23:16:12,515 INFO L158 Benchmark]: RCFGBuilder took 1982.66ms. Allocated memory was 96.5MB in the beginning and 125.8MB in the end (delta: 29.4MB). Free memory was 37.2MB in the beginning and 69.5MB in the end (delta: -32.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2021-11-20 23:16:12,520 INFO L158 Benchmark]: TraceAbstraction took 1353.06ms. Allocated memory was 125.8MB in the beginning and 190.8MB in the end (delta: 65.0MB). Free memory was 69.5MB in the beginning and 122.4MB in the end (delta: -52.9MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. [2021-11-20 23:16:12,521 INFO L158 Benchmark]: Witness Printer took 9.54ms. Allocated memory is still 190.8MB. Free memory is still 122.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 23:16:12,525 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 96.5MB. Free memory was 68.7MB in the beginning and 68.6MB in the end (delta: 53.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 694.99ms. Allocated memory is still 96.5MB. Free memory was 72.0MB in the beginning and 51.2MB in the end (delta: 20.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 161.34ms. Allocated memory is still 96.5MB. Free memory was 51.2MB in the beginning and 43.9MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 115.78ms. Allocated memory is still 96.5MB. Free memory was 43.9MB in the beginning and 37.2MB in the end (delta: 6.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1982.66ms. Allocated memory was 96.5MB in the beginning and 125.8MB in the end (delta: 29.4MB). Free memory was 37.2MB in the beginning and 69.5MB in the end (delta: -32.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1353.06ms. Allocated memory was 125.8MB in the beginning and 190.8MB in the end (delta: 65.0MB). Free memory was 69.5MB in the beginning and 122.4MB in the end (delta: -52.9MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. * Witness Printer took 9.54ms. Allocated memory is still 190.8MB. Free memory is still 122.4MB. 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={4:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={7:0}, 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={5:0}, 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={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000003, y={14:0}, 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={4:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={7:0}, 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={5:0}, 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={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000003, y={14:0}, 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={4:0}, invpio2_rempio=63661980629/100000000000, ix=2139095040, npio2_hw_rempio={7:0}, 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={5:0}, 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={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000003, y={14:0}, 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={4:0}, invpio2_rempio=63661980629/100000000000, ix=2139095040, npio2_hw_rempio={7:0}, 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={5:0}, 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={6:0}, 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={4:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={7:0}, 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={5:0}, 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={6:0}, 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={4:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={7:0}, 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={5:0}, 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={6:0}, 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: 1.2s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 187 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 52 IncrementalHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 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: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-20 23:16:12,592 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f153f86-08e8-4a4c-ba20-babaf65d95bd/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f153f86-08e8-4a4c-ba20-babaf65d95bd/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f153f86-08e8-4a4c-ba20-babaf65d95bd/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f153f86-08e8-4a4c-ba20-babaf65d95bd/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f153f86-08e8-4a4c-ba20-babaf65d95bd/bin/utaipan-TEXQjIfE4P/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_8f153f86-08e8-4a4c-ba20-babaf65d95bd/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f153f86-08e8-4a4c-ba20-babaf65d95bd/bin/utaipan-TEXQjIfE4P --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash eba0d69032dcca3a4fd537674be713f074cf8e41be9cc562a35b9ffa9def96ba --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 23:16:15,180 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 23:16:15,183 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 23:16:15,231 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 23:16:15,232 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 23:16:15,237 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 23:16:15,239 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 23:16:15,244 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 23:16:15,247 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 23:16:15,255 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 23:16:15,257 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 23:16:15,258 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 23:16:15,259 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 23:16:15,260 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 23:16:15,261 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 23:16:15,262 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 23:16:15,266 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 23:16:15,267 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 23:16:15,270 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 23:16:15,275 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 23:16:15,277 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 23:16:15,279 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 23:16:15,282 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 23:16:15,285 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 23:16:15,295 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 23:16:15,296 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 23:16:15,296 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 23:16:15,297 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 23:16:15,298 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 23:16:15,299 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 23:16:15,300 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 23:16:15,301 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 23:16:15,302 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 23:16:15,303 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 23:16:15,304 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 23:16:15,305 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 23:16:15,306 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 23:16:15,306 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 23:16:15,306 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 23:16:15,307 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 23:16:15,308 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 23:16:15,309 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f153f86-08e8-4a4c-ba20-babaf65d95bd/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-20 23:16:15,341 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 23:16:15,342 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 23:16:15,342 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 23:16:15,344 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 23:16:15,345 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 23:16:15,346 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 23:16:15,346 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-20 23:16:15,346 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-20 23:16:15,347 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-20 23:16:15,348 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-20 23:16:15,349 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-20 23:16:15,349 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-20 23:16:15,350 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 23:16:15,351 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 23:16:15,351 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 23:16:15,352 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 23:16:15,352 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 23:16:15,352 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 23:16:15,352 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 23:16:15,353 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-20 23:16:15,353 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-20 23:16:15,353 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 23:16:15,353 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 23:16:15,354 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 23:16:15,354 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 23:16:15,355 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 23:16:15,355 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 23:16:15,355 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 23:16:15,355 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:16:15,356 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 23:16:15,356 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 23:16:15,356 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 23:16:15,357 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-20 23:16:15,357 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-20 23:16:15,357 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 23:16:15,358 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 23:16:15,358 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 23:16:15,358 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_8f153f86-08e8-4a4c-ba20-babaf65d95bd/bin/utaipan-TEXQjIfE4P/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f153f86-08e8-4a4c-ba20-babaf65d95bd/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eba0d69032dcca3a4fd537674be713f074cf8e41be9cc562a35b9ffa9def96ba [2021-11-20 23:16:15,764 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 23:16:15,792 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 23:16:15,797 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 23:16:15,799 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 23:16:15,800 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 23:16:15,801 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f153f86-08e8-4a4c-ba20-babaf65d95bd/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/float-newlib/float_req_bl_0220b.c [2021-11-20 23:16:15,887 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f153f86-08e8-4a4c-ba20-babaf65d95bd/bin/utaipan-TEXQjIfE4P/data/af1c56e23/54f1a00a86e442af9f9d45aa8bbb99d2/FLAG15b187b74 [2021-11-20 23:16:16,541 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 23:16:16,541 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f153f86-08e8-4a4c-ba20-babaf65d95bd/sv-benchmarks/c/float-newlib/float_req_bl_0220b.c [2021-11-20 23:16:16,557 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f153f86-08e8-4a4c-ba20-babaf65d95bd/bin/utaipan-TEXQjIfE4P/data/af1c56e23/54f1a00a86e442af9f9d45aa8bbb99d2/FLAG15b187b74 [2021-11-20 23:16:16,849 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f153f86-08e8-4a4c-ba20-babaf65d95bd/bin/utaipan-TEXQjIfE4P/data/af1c56e23/54f1a00a86e442af9f9d45aa8bbb99d2 [2021-11-20 23:16:16,853 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 23:16:16,854 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 23:16:16,863 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 23:16:16,863 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 23:16:16,868 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 23:16:16,869 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:16:16" (1/1) ... [2021-11-20 23:16:16,870 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fd68c4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:16:16, skipping insertion in model container [2021-11-20 23:16:16,871 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:16:16" (1/1) ... [2021-11-20 23:16:16,879 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 23:16:16,925 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 23:16:17,261 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_8f153f86-08e8-4a4c-ba20-babaf65d95bd/sv-benchmarks/c/float-newlib/float_req_bl_0220b.c[15845,15858] [2021-11-20 23:16:17,264 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:16:17,331 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 23:16:17,517 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_8f153f86-08e8-4a4c-ba20-babaf65d95bd/sv-benchmarks/c/float-newlib/float_req_bl_0220b.c[15845,15858] [2021-11-20 23:16:17,518 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:16:17,586 INFO L208 MainTranslator]: Completed translation [2021-11-20 23:16:17,587 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:16:17 WrapperNode [2021-11-20 23:16:17,587 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 23:16:17,588 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 23:16:17,588 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 23:16:17,589 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 23:16:17,597 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:16:17" (1/1) ... [2021-11-20 23:16:17,634 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:16:17" (1/1) ... [2021-11-20 23:16:17,707 INFO L137 Inliner]: procedures = 29, calls = 495, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 1154 [2021-11-20 23:16:17,710 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 23:16:17,711 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 23:16:17,712 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 23:16:17,712 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 23:16:17,726 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:16:17" (1/1) ... [2021-11-20 23:16:17,727 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:16:17" (1/1) ... [2021-11-20 23:16:17,770 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:16:17" (1/1) ... [2021-11-20 23:16:17,772 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:16:17" (1/1) ... [2021-11-20 23:16:17,860 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:16:17" (1/1) ... [2021-11-20 23:16:17,894 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:16:17" (1/1) ... [2021-11-20 23:16:17,902 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:16:17" (1/1) ... [2021-11-20 23:16:17,913 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 23:16:17,914 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 23:16:17,914 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 23:16:17,914 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 23:16:17,915 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:16:17" (1/1) ... [2021-11-20 23:16:17,923 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:16:17,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f153f86-08e8-4a4c-ba20-babaf65d95bd/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:16:17,946 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f153f86-08e8-4a4c-ba20-babaf65d95bd/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 23:16:17,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f153f86-08e8-4a4c-ba20-babaf65d95bd/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 23:16:18,003 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_cosf [2021-11-20 23:16:18,004 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_cosf [2021-11-20 23:16:18,004 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 23:16:18,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-20 23:16:18,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-20 23:16:18,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 23:16:18,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2021-11-20 23:16:18,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-20 23:16:18,007 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_sinf [2021-11-20 23:16:18,008 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_sinf [2021-11-20 23:16:18,008 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_float [2021-11-20 23:16:18,008 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_float [2021-11-20 23:16:18,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2021-11-20 23:16:18,009 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2021-11-20 23:16:18,009 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2021-11-20 23:16:18,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2021-11-20 23:16:18,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 23:16:18,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 23:16:18,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-20 23:16:18,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 23:16:18,257 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 23:16:18,259 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 23:16:58,721 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 23:16:58,740 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 23:16:58,749 INFO L301 CfgBuilder]: Removed 61 assume(true) statements. [2021-11-20 23:16:58,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:16:58 BoogieIcfgContainer [2021-11-20 23:16:58,752 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 23:16:58,754 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 23:16:58,754 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 23:16:58,757 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 23:16:58,760 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:16:16" (1/3) ... [2021-11-20 23:16:58,761 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8229d16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:16:58, skipping insertion in model container [2021-11-20 23:16:58,761 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:16:17" (2/3) ... [2021-11-20 23:16:58,762 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8229d16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:16:58, skipping insertion in model container [2021-11-20 23:16:58,762 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:16:58" (3/3) ... [2021-11-20 23:16:58,764 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0220b.c [2021-11-20 23:16:58,770 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 23:16:58,771 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 23:16:58,856 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 23:16:58,885 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-20 23:16:58,886 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 23:16:58,925 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) [2021-11-20 23:16:58,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-20 23:16:58,934 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:16:58,935 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:16:58,936 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:16:58,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:16:58,949 INFO L85 PathProgramCache]: Analyzing trace with hash -709361443, now seen corresponding path program 1 times [2021-11-20 23:16:58,969 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 23:16:58,971 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1144074147] [2021-11-20 23:16:58,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:16:58,973 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 23:16:58,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f153f86-08e8-4a4c-ba20-babaf65d95bd/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 23:16:58,981 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f153f86-08e8-4a4c-ba20-babaf65d95bd/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 23:16:58,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f153f86-08e8-4a4c-ba20-babaf65d95bd/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-20 23:17:00,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:17:00,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-20 23:17:00,917 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:17:01,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:17:01,007 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:17:01,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:17:01,069 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 23:17:01,070 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1144074147] [2021-11-20 23:17:01,070 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1144074147] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 23:17:01,071 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:17:01,071 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-20 23:17:01,073 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764596298] [2021-11-20 23:17:01,074 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 23:17:01,079 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-20 23:17:01,080 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 23:17:01,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-20 23:17:01,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 23:17:01,142 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) [2021-11-20 23:17:01,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:17:01,219 INFO L93 Difference]: Finished difference Result 496 states and 826 transitions. [2021-11-20 23:17:01,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 23:17:01,222 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-11-20 23:17:01,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:17:01,238 INFO L225 Difference]: With dead ends: 496 [2021-11-20 23:17:01,254 INFO L226 Difference]: Without dead ends: 246 [2021-11-20 23:17:01,263 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 23:17:01,268 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 [2021-11-20 23:17:01,283 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] [2021-11-20 23:17:01,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2021-11-20 23:17:01,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 246. [2021-11-20 23:17:01,363 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) [2021-11-20 23:17:01,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 343 transitions. [2021-11-20 23:17:01,389 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 343 transitions. Word has length 10 [2021-11-20 23:17:01,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:17:01,390 INFO L470 AbstractCegarLoop]: Abstraction has 246 states and 343 transitions. [2021-11-20 23:17:01,390 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:17:01,390 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 343 transitions. [2021-11-20 23:17:01,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-20 23:17:01,391 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:17:01,391 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:17:01,453 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f153f86-08e8-4a4c-ba20-babaf65d95bd/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-11-20 23:17:01,606 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f153f86-08e8-4a4c-ba20-babaf65d95bd/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 23:17:01,607 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:17:01,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:17:01,608 INFO L85 PathProgramCache]: Analyzing trace with hash 759322579, now seen corresponding path program 1 times [2021-11-20 23:17:01,609 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 23:17:01,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1704592130] [2021-11-20 23:17:01,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:17:01,610 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 23:17:01,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f153f86-08e8-4a4c-ba20-babaf65d95bd/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 23:17:01,613 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f153f86-08e8-4a4c-ba20-babaf65d95bd/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 23:17:01,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f153f86-08e8-4a4c-ba20-babaf65d95bd/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-20 23:17:03,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:17:03,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-20 23:17:03,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:17:03,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:17:03,845 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:17:04,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:17:04,112 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 23:17:04,112 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1704592130] [2021-11-20 23:17:04,112 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1704592130] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 23:17:04,113 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:17:04,113 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-20 23:17:04,113 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069812987] [2021-11-20 23:17:04,113 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 23:17:04,115 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-20 23:17:04,115 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 23:17:04,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-20 23:17:04,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-11-20 23:17:04,116 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) [2021-11-20 23:17:04,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:17:04,215 INFO L93 Difference]: Finished difference Result 265 states and 364 transitions. [2021-11-20 23:17:04,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 23:17:04,216 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-11-20 23:17:04,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:17:04,217 INFO L225 Difference]: With dead ends: 265 [2021-11-20 23:17:04,217 INFO L226 Difference]: Without dead ends: 27 [2021-11-20 23:17:04,220 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 [2021-11-20 23:17:04,222 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 [2021-11-20 23:17:04,223 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] [2021-11-20 23:17:04,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2021-11-20 23:17:04,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2021-11-20 23:17:04,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 24 states have (on average 1.1666666666666667) internal successors, (28), 24 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-20 23:17:04,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 30 transitions. [2021-11-20 23:17:04,229 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 30 transitions. Word has length 11 [2021-11-20 23:17:04,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:17:04,230 INFO L470 AbstractCegarLoop]: Abstraction has 27 states and 30 transitions. [2021-11-20 23:17:04,230 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:17:04,230 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2021-11-20 23:17:04,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-20 23:17:04,231 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:17:04,231 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:17:04,286 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f153f86-08e8-4a4c-ba20-babaf65d95bd/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-20 23:17:04,454 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f153f86-08e8-4a4c-ba20-babaf65d95bd/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 23:17:04,455 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:17:04,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:17:04,455 INFO L85 PathProgramCache]: Analyzing trace with hash 1983106081, now seen corresponding path program 1 times [2021-11-20 23:17:04,456 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 23:17:04,457 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [370361797] [2021-11-20 23:17:04,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:17:04,457 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 23:17:04,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f153f86-08e8-4a4c-ba20-babaf65d95bd/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 23:17:04,458 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f153f86-08e8-4a4c-ba20-babaf65d95bd/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 23:17:04,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f153f86-08e8-4a4c-ba20-babaf65d95bd/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-20 23:17:06,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:17:06,290 INFO L263 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-20 23:17:06,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:17:06,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:17:06,788 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:17:07,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:17:07,854 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 23:17:07,854 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [370361797] [2021-11-20 23:17:07,854 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [370361797] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 23:17:07,854 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:17:07,855 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 13 [2021-11-20 23:17:07,855 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931915107] [2021-11-20 23:17:07,855 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 23:17:07,856 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-20 23:17:07,856 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 23:17:07,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-20 23:17:07,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2021-11-20 23:17:07,857 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) [2021-11-20 23:17:10,542 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:17:12,668 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:17:14,674 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:17:16,825 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:17:18,836 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:17:19,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:17:19,426 INFO L93 Difference]: Finished difference Result 43 states and 45 transitions. [2021-11-20 23:17:19,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-20 23:17:19,426 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 [2021-11-20 23:17:19,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:17:19,428 INFO L225 Difference]: With dead ends: 43 [2021-11-20 23:17:19,428 INFO L226 Difference]: Without dead ends: 40 [2021-11-20 23:17:19,429 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342 [2021-11-20 23:17:19,431 INFO L933 BasicCegarLoop]: 23 mSDtfsCounter, 55 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 6 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.1s IncrementalHoareTripleChecker+Time [2021-11-20 23:17:19,432 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [57 Valid, 170 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 70 Invalid, 5 Unknown, 0 Unchecked, 11.1s Time] [2021-11-20 23:17:19,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2021-11-20 23:17:19,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 32. [2021-11-20 23:17:19,439 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) [2021-11-20 23:17:19,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 35 transitions. [2021-11-20 23:17:19,441 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 35 transitions. Word has length 20 [2021-11-20 23:17:19,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:17:19,441 INFO L470 AbstractCegarLoop]: Abstraction has 32 states and 35 transitions. [2021-11-20 23:17:19,442 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) [2021-11-20 23:17:19,442 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 35 transitions. [2021-11-20 23:17:19,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-20 23:17:19,443 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:17:19,444 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:17:19,491 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f153f86-08e8-4a4c-ba20-babaf65d95bd/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-20 23:17:19,658 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f153f86-08e8-4a4c-ba20-babaf65d95bd/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 23:17:19,659 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:17:19,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:17:19,660 INFO L85 PathProgramCache]: Analyzing trace with hash 1085069118, now seen corresponding path program 1 times [2021-11-20 23:17:19,661 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 23:17:19,661 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2012222126] [2021-11-20 23:17:19,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:17:19,661 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 23:17:19,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f153f86-08e8-4a4c-ba20-babaf65d95bd/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 23:17:19,671 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f153f86-08e8-4a4c-ba20-babaf65d95bd/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 23:17:19,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f153f86-08e8-4a4c-ba20-babaf65d95bd/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-20 23:17:21,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:17:22,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-20 23:17:22,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:17:22,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:17:22,571 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:17:23,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:17:23,940 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 23:17:23,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2012222126] [2021-11-20 23:17:23,941 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2012222126] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 23:17:23,941 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:17:23,941 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 11 [2021-11-20 23:17:23,941 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709004723] [2021-11-20 23:17:23,941 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 23:17:23,942 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-20 23:17:23,942 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 23:17:23,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-20 23:17:23,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-11-20 23:17:23,943 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) [2021-11-20 23:17:26,322 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:17:26,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:17:26,323 INFO L93 Difference]: Finished difference Result 46 states and 50 transitions. [2021-11-20 23:17:26,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 23:17:26,374 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 11 states have internal predecessors, (29), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 21 [2021-11-20 23:17:26,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:17:26,375 INFO L225 Difference]: With dead ends: 46 [2021-11-20 23:17:26,375 INFO L226 Difference]: Without dead ends: 32 [2021-11-20 23:17:26,376 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 30 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2021-11-20 23:17:26,378 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 [2021-11-20 23:17:26,378 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] [2021-11-20 23:17:26,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2021-11-20 23:17:26,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2021-11-20 23:17:26,384 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) [2021-11-20 23:17:26,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 34 transitions. [2021-11-20 23:17:26,385 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 34 transitions. Word has length 21 [2021-11-20 23:17:26,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:17:26,386 INFO L470 AbstractCegarLoop]: Abstraction has 32 states and 34 transitions. [2021-11-20 23:17:26,386 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 11 states have internal predecessors, (29), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 23:17:26,387 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 34 transitions. [2021-11-20 23:17:26,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-20 23:17:26,388 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:17:26,388 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:17:26,460 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f153f86-08e8-4a4c-ba20-babaf65d95bd/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-20 23:17:26,610 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f153f86-08e8-4a4c-ba20-babaf65d95bd/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 23:17:26,611 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:17:26,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:17:26,611 INFO L85 PathProgramCache]: Analyzing trace with hash 452402173, now seen corresponding path program 1 times [2021-11-20 23:17:26,613 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 23:17:26,613 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [806989138] [2021-11-20 23:17:26,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:17:26,613 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 23:17:26,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f153f86-08e8-4a4c-ba20-babaf65d95bd/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 23:17:26,615 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f153f86-08e8-4a4c-ba20-babaf65d95bd/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 23:17:26,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f153f86-08e8-4a4c-ba20-babaf65d95bd/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-20 23:17:29,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:17:29,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-20 23:17:29,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:17:29,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:17:29,765 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:17:32,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:17:32,923 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 23:17:32,923 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [806989138] [2021-11-20 23:17:32,924 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [806989138] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 23:17:32,924 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:17:32,924 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2021-11-20 23:17:32,924 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315220185] [2021-11-20 23:17:32,924 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 23:17:32,925 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 23:17:32,925 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 23:17:32,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 23:17:32,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-20 23:17:32,925 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) [2021-11-20 23:17:35,739 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:17:38,078 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:17:40,218 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:17:40,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:17:40,220 INFO L93 Difference]: Finished difference Result 39 states and 40 transitions. [2021-11-20 23:17:40,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 23:17:40,272 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 7 states have internal predecessors, (31), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 22 [2021-11-20 23:17:40,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:17:40,273 INFO L225 Difference]: With dead ends: 39 [2021-11-20 23:17:40,273 INFO L226 Difference]: Without dead ends: 25 [2021-11-20 23:17:40,273 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-11-20 23:17:40,275 INFO L933 BasicCegarLoop]: 23 mSDtfsCounter, 24 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s 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, 7.1s IncrementalHoareTripleChecker+Time [2021-11-20 23:17:40,275 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [25 Valid, 80 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 3 Unknown, 0 Unchecked, 7.1s Time] [2021-11-20 23:17:40,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2021-11-20 23:17:40,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2021-11-20 23:17:40,280 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) [2021-11-20 23:17:40,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 24 transitions. [2021-11-20 23:17:40,280 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 24 transitions. Word has length 22 [2021-11-20 23:17:40,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:17:40,281 INFO L470 AbstractCegarLoop]: Abstraction has 25 states and 24 transitions. [2021-11-20 23:17:40,281 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 7 states have internal predecessors, (31), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 23:17:40,282 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 24 transitions. [2021-11-20 23:17:40,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-20 23:17:40,283 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:17:40,283 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] [2021-11-20 23:17:40,338 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f153f86-08e8-4a4c-ba20-babaf65d95bd/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-20 23:17:40,493 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f153f86-08e8-4a4c-ba20-babaf65d95bd/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 23:17:40,494 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:17:40,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:17:40,494 INFO L85 PathProgramCache]: Analyzing trace with hash -1043993930, now seen corresponding path program 1 times [2021-11-20 23:17:40,495 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 23:17:40,495 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [296291022] [2021-11-20 23:17:40,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:17:40,496 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 23:17:40,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f153f86-08e8-4a4c-ba20-babaf65d95bd/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 23:17:40,497 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f153f86-08e8-4a4c-ba20-babaf65d95bd/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 23:17:40,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f153f86-08e8-4a4c-ba20-babaf65d95bd/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-20 23:17:42,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:17:42,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 392 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-20 23:17:42,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:17:43,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:17:43,151 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:17:45,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:17:45,373 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 23:17:45,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [296291022] [2021-11-20 23:17:45,374 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [296291022] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 23:17:45,374 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:17:45,374 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12, 12] imperfect sequences [] total 20 [2021-11-20 23:17:45,374 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788061121] [2021-11-20 23:17:45,374 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 23:17:45,375 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-11-20 23:17:45,375 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 23:17:45,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-11-20 23:17:45,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=335, Unknown=0, NotChecked=0, Total=380 [2021-11-20 23:17:45,376 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) [2021-11-20 23:17:46,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:17:46,301 INFO L93 Difference]: Finished difference Result 25 states and 24 transitions. [2021-11-20 23:17:46,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-20 23:17:46,302 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 [2021-11-20 23:17:46,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:17:46,303 INFO L225 Difference]: With dead ends: 25 [2021-11-20 23:17:46,303 INFO L226 Difference]: Without dead ends: 0 [2021-11-20 23:17:46,304 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 27 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=108, Invalid=542, Unknown=0, NotChecked=0, Total=650 [2021-11-20 23:17:46,305 INFO L933 BasicCegarLoop]: 12 mSDtfsCounter, 25 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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 [2021-11-20 23:17:46,306 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] [2021-11-20 23:17:46,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-20 23:17:46,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-20 23:17:46,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:17:46,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-20 23:17:46,308 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2021-11-20 23:17:46,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:17:46,308 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 23:17:46,309 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) [2021-11-20 23:17:46,309 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-20 23:17:46,309 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-20 23:17:46,312 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-20 23:17:46,365 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f153f86-08e8-4a4c-ba20-babaf65d95bd/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2021-11-20 23:17:46,526 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f153f86-08e8-4a4c-ba20-babaf65d95bd/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 23:17:46,528 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-20 23:17:47,075 INFO L858 garLoopResultBuilder]: For program point L562-1(lines 562 566) no Hoare annotation was computed. [2021-11-20 23:17:47,076 INFO L861 garLoopResultBuilder]: At program point L562-2(lines 562 566) the Hoare annotation is: true [2021-11-20 23:17:47,076 INFO L858 garLoopResultBuilder]: For program point L562-3(lines 559 567) no Hoare annotation was computed. [2021-11-20 23:17:47,076 INFO L858 garLoopResultBuilder]: For program point L556(lines 556 571) no Hoare annotation was computed. [2021-11-20 23:17:47,076 INFO L858 garLoopResultBuilder]: For program point L548(lines 548 551) no Hoare annotation was computed. [2021-11-20 23:17:47,077 INFO L858 garLoopResultBuilder]: For program point L548-2(lines 548 551) no Hoare annotation was computed. [2021-11-20 23:17:47,077 INFO L861 garLoopResultBuilder]: At program point __kernel_cosfENTRY(lines 539 572) the Hoare annotation is: true [2021-11-20 23:17:47,077 INFO L858 garLoopResultBuilder]: For program point L542-1(lines 542 546) no Hoare annotation was computed. [2021-11-20 23:17:47,077 INFO L861 garLoopResultBuilder]: At program point L542-2(lines 542 546) the Hoare annotation is: true [2021-11-20 23:17:47,077 INFO L858 garLoopResultBuilder]: For program point L542-3(lines 542 546) no Hoare annotation was computed. [2021-11-20 23:17:47,078 INFO L858 garLoopResultBuilder]: For program point __kernel_cosfFINAL(lines 539 572) no Hoare annotation was computed. [2021-11-20 23:17:47,078 INFO L858 garLoopResultBuilder]: For program point L559(lines 559 567) no Hoare annotation was computed. [2021-11-20 23:17:47,078 INFO L858 garLoopResultBuilder]: For program point L549(lines 549 550) no Hoare annotation was computed. [2021-11-20 23:17:47,078 INFO L858 garLoopResultBuilder]: For program point __kernel_cosfEXIT(lines 539 572) no Hoare annotation was computed. [2021-11-20 23:17:47,079 INFO L858 garLoopResultBuilder]: For program point copysign_floatEXIT(lines 70 88) no Hoare annotation was computed. [2021-11-20 23:17:47,079 INFO L858 garLoopResultBuilder]: For program point L77(lines 77 81) no Hoare annotation was computed. [2021-11-20 23:17:47,079 INFO L858 garLoopResultBuilder]: For program point L77-1(lines 70 88) no Hoare annotation was computed. [2021-11-20 23:17:47,079 INFO L861 garLoopResultBuilder]: At program point copysign_floatENTRY(lines 70 88) the Hoare annotation is: true [2021-11-20 23:17:47,080 INFO L858 garLoopResultBuilder]: For program point L82(lines 82 86) no Hoare annotation was computed. [2021-11-20 23:17:47,080 INFO L858 garLoopResultBuilder]: For program point L82-1(lines 70 88) no Hoare annotation was computed. [2021-11-20 23:17:47,080 INFO L858 garLoopResultBuilder]: For program point L82-2(lines 82 86) no Hoare annotation was computed. [2021-11-20 23:17:47,080 INFO L858 garLoopResultBuilder]: For program point L72-1(lines 72 76) no Hoare annotation was computed. [2021-11-20 23:17:47,081 INFO L861 garLoopResultBuilder]: At program point L72-2(lines 72 76) the Hoare annotation is: true [2021-11-20 23:17:47,081 INFO L858 garLoopResultBuilder]: For program point copysign_floatFINAL(lines 70 88) no Hoare annotation was computed. [2021-11-20 23:17:47,081 INFO L858 garLoopResultBuilder]: For program point __kernel_sinfEXIT(lines 512 532) no Hoare annotation was computed. [2021-11-20 23:17:47,081 INFO L858 garLoopResultBuilder]: For program point L521(lines 521 524) no Hoare annotation was computed. [2021-11-20 23:17:47,081 INFO L858 garLoopResultBuilder]: For program point L521-2(lines 521 524) no Hoare annotation was computed. [2021-11-20 23:17:47,082 INFO L858 garLoopResultBuilder]: For program point L515-1(lines 515 519) no Hoare annotation was computed. [2021-11-20 23:17:47,082 INFO L854 garLoopResultBuilder]: At program point L515-2(lines 515 519) the Hoare annotation is: (= __kernel_sinf_~x |__kernel_sinf_#in~x|) [2021-11-20 23:17:47,082 INFO L858 garLoopResultBuilder]: For program point L515-3(lines 515 519) no Hoare annotation was computed. [2021-11-20 23:17:47,082 INFO L861 garLoopResultBuilder]: At program point __kernel_sinfENTRY(lines 512 532) the Hoare annotation is: true [2021-11-20 23:17:47,082 INFO L858 garLoopResultBuilder]: For program point L528(lines 528 531) no Hoare annotation was computed. [2021-11-20 23:17:47,083 INFO L858 garLoopResultBuilder]: For program point L522(lines 522 523) no Hoare annotation was computed. [2021-11-20 23:17:47,083 INFO L858 garLoopResultBuilder]: For program point __kernel_sinfFINAL(lines 512 532) no Hoare annotation was computed. [2021-11-20 23:17:47,083 INFO L858 garLoopResultBuilder]: For program point L300-2(lines 300 304) no Hoare annotation was computed. [2021-11-20 23:17:47,083 INFO L854 garLoopResultBuilder]: At program point L300-3(lines 300 304) the Hoare annotation is: false [2021-11-20 23:17:47,084 INFO L858 garLoopResultBuilder]: For program point L300-4(lines 300 304) no Hoare annotation was computed. [2021-11-20 23:17:47,084 INFO L858 garLoopResultBuilder]: For program point L36(lines 36 37) no Hoare annotation was computed. [2021-11-20 23:17:47,084 INFO L858 garLoopResultBuilder]: For program point L598(lines 598 613) no Hoare annotation was computed. [2021-11-20 23:17:47,084 INFO L858 garLoopResultBuilder]: For program point L499(lines 499 503) no Hoare annotation was computed. [2021-11-20 23:17:47,084 INFO L858 garLoopResultBuilder]: For program point L301-2(lines 301 302) no Hoare annotation was computed. [2021-11-20 23:17:47,085 INFO L854 garLoopResultBuilder]: At program point L301-3(lines 301 302) the Hoare annotation is: false [2021-11-20 23:17:47,085 INFO L858 garLoopResultBuilder]: For program point L301-4(lines 301 302) no Hoare annotation was computed. [2021-11-20 23:17:47,085 INFO L858 garLoopResultBuilder]: For program point L401(lines 401 405) no Hoare annotation was computed. [2021-11-20 23:17:47,085 INFO L858 garLoopResultBuilder]: For program point L335-2(lines 335 336) no Hoare annotation was computed. [2021-11-20 23:17:47,085 INFO L854 garLoopResultBuilder]: At program point L335-3(lines 335 336) the Hoare annotation is: false [2021-11-20 23:17:47,086 INFO L858 garLoopResultBuilder]: For program point L335-4(lines 306 346) no Hoare annotation was computed. [2021-11-20 23:17:47,086 INFO L858 garLoopResultBuilder]: For program point L38(lines 38 42) no Hoare annotation was computed. [2021-11-20 23:17:47,086 INFO L861 garLoopResultBuilder]: At program point L633(lines 616 634) the Hoare annotation is: true [2021-11-20 23:17:47,086 INFO L858 garLoopResultBuilder]: For program point L39(lines 39 40) no Hoare annotation was computed. [2021-11-20 23:17:47,087 INFO L858 garLoopResultBuilder]: For program point L39-2(lines 39 40) no Hoare annotation was computed. [2021-11-20 23:17:47,087 INFO L854 garLoopResultBuilder]: At program point L271(lines 178 348) the Hoare annotation is: false [2021-11-20 23:17:47,087 INFO L858 garLoopResultBuilder]: For program point L205-2(lines 205 209) no Hoare annotation was computed. [2021-11-20 23:17:47,087 INFO L854 garLoopResultBuilder]: At program point L205-3(lines 205 209) the Hoare annotation is: false [2021-11-20 23:17:47,087 INFO L854 garLoopResultBuilder]: At program point L205-4(lines 205 209) the Hoare annotation is: false [2021-11-20 23:17:47,088 INFO L858 garLoopResultBuilder]: For program point L437(line 437) no Hoare annotation was computed. [2021-11-20 23:17:47,088 INFO L858 garLoopResultBuilder]: For program point L437-2(lines 437 469) no Hoare annotation was computed. [2021-11-20 23:17:47,088 INFO L858 garLoopResultBuilder]: For program point L239-1(lines 226 254) no Hoare annotation was computed. [2021-11-20 23:17:47,088 INFO L858 garLoopResultBuilder]: For program point L603(lines 603 612) no Hoare annotation was computed. [2021-11-20 23:17:47,088 INFO L854 garLoopResultBuilder]: At program point L504(lines 389 505) the Hoare annotation is: false [2021-11-20 23:17:47,089 INFO L858 garLoopResultBuilder]: For program point L471(lines 471 476) no Hoare annotation was computed. [2021-11-20 23:17:47,089 INFO L854 garLoopResultBuilder]: At program point L306(lines 306 346) the Hoare annotation is: false [2021-11-20 23:17:47,089 INFO L854 garLoopResultBuilder]: At program point L240(lines 240 247) the Hoare annotation is: false [2021-11-20 23:17:47,089 INFO L858 garLoopResultBuilder]: For program point L604(line 604) no Hoare annotation was computed. [2021-11-20 23:17:47,089 INFO L858 garLoopResultBuilder]: For program point L406(lines 406 430) no Hoare annotation was computed. [2021-11-20 23:17:47,090 INFO L858 garLoopResultBuilder]: For program point L307(line 307) no Hoare annotation was computed. [2021-11-20 23:17:47,090 INFO L858 garLoopResultBuilder]: For program point L241(line 241) no Hoare annotation was computed. [2021-11-20 23:17:47,090 INFO L854 garLoopResultBuilder]: At program point L605(line 605) the Hoare annotation is: false [2021-11-20 23:17:47,090 INFO L858 garLoopResultBuilder]: For program point L605-1(line 605) no Hoare annotation was computed. [2021-11-20 23:17:47,091 INFO L858 garLoopResultBuilder]: For program point L407(lines 407 429) no Hoare annotation was computed. [2021-11-20 23:17:47,091 INFO L858 garLoopResultBuilder]: For program point L606(line 606) no Hoare annotation was computed. [2021-11-20 23:17:47,091 INFO L858 garLoopResultBuilder]: For program point L309-2(lines 309 310) no Hoare annotation was computed. [2021-11-20 23:17:47,091 INFO L854 garLoopResultBuilder]: At program point L309-3(lines 309 310) the Hoare annotation is: false [2021-11-20 23:17:47,091 INFO L858 garLoopResultBuilder]: For program point L309-4(lines 306 346) no Hoare annotation was computed. [2021-11-20 23:17:47,092 INFO L858 garLoopResultBuilder]: For program point L45(lines 45 48) no Hoare annotation was computed. [2021-11-20 23:17:47,092 INFO L854 garLoopResultBuilder]: At program point L607(line 607) the Hoare annotation is: false [2021-11-20 23:17:47,092 INFO L858 garLoopResultBuilder]: For program point L607-1(line 607) no Hoare annotation was computed. [2021-11-20 23:17:47,092 INFO L858 garLoopResultBuilder]: For program point L409(lines 409 416) no Hoare annotation was computed. [2021-11-20 23:17:47,092 INFO L858 garLoopResultBuilder]: For program point L409-2(lines 409 416) no Hoare annotation was computed. [2021-11-20 23:17:47,093 INFO L858 garLoopResultBuilder]: For program point L244(line 244) no Hoare annotation was computed. [2021-11-20 23:17:47,093 INFO L858 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-11-20 23:17:47,093 INFO L858 garLoopResultBuilder]: For program point L608(line 608) no Hoare annotation was computed. [2021-11-20 23:17:47,093 INFO L858 garLoopResultBuilder]: For program point L443-1(lines 443 447) no Hoare annotation was computed. [2021-11-20 23:17:47,093 INFO L854 garLoopResultBuilder]: At program point L443-2(lines 443 447) the Hoare annotation is: false [2021-11-20 23:17:47,094 INFO L858 garLoopResultBuilder]: For program point L443-3(lines 443 447) no Hoare annotation was computed. [2021-11-20 23:17:47,094 INFO L858 garLoopResultBuilder]: For program point L311-1(line 311) no Hoare annotation was computed. [2021-11-20 23:17:47,094 INFO L858 garLoopResultBuilder]: For program point L278-1(lines 278 281) no Hoare annotation was computed. [2021-11-20 23:17:47,094 INFO L854 garLoopResultBuilder]: At program point L278-3(lines 278 281) the Hoare annotation is: false [2021-11-20 23:17:47,094 INFO L854 garLoopResultBuilder]: At program point L609(line 609) the Hoare annotation is: false [2021-11-20 23:17:47,095 INFO L858 garLoopResultBuilder]: For program point L609-1(line 609) no Hoare annotation was computed. [2021-11-20 23:17:47,095 INFO L858 garLoopResultBuilder]: For program point L610(line 610) no Hoare annotation was computed. [2021-11-20 23:17:47,095 INFO L858 garLoopResultBuilder]: For program point L313(line 313) no Hoare annotation was computed. [2021-11-20 23:17:47,095 INFO L858 garLoopResultBuilder]: For program point L313-2(line 313) no Hoare annotation was computed. [2021-11-20 23:17:47,095 INFO L858 garLoopResultBuilder]: For program point L148-1(lines 148 152) no Hoare annotation was computed. [2021-11-20 23:17:47,096 INFO L854 garLoopResultBuilder]: At program point L148-2(lines 148 152) the Hoare annotation is: false [2021-11-20 23:17:47,096 INFO L854 garLoopResultBuilder]: At program point L611(line 611) the Hoare annotation is: false [2021-11-20 23:17:47,096 INFO L858 garLoopResultBuilder]: For program point L611-1(line 611) no Hoare annotation was computed. [2021-11-20 23:17:47,096 INFO L858 garLoopResultBuilder]: For program point L479(lines 479 482) no Hoare annotation was computed. [2021-11-20 23:17:47,096 INFO L854 garLoopResultBuilder]: At program point L347(lines 177 348) the Hoare annotation is: false [2021-11-20 23:17:47,097 INFO L858 garLoopResultBuilder]: For program point L314(line 314) no Hoare annotation was computed. [2021-11-20 23:17:47,097 INFO L858 garLoopResultBuilder]: For program point L50(lines 50 54) no Hoare annotation was computed. [2021-11-20 23:17:47,097 INFO L858 garLoopResultBuilder]: For program point L50-1(lines 15 56) no Hoare annotation was computed. [2021-11-20 23:17:47,097 INFO L858 garLoopResultBuilder]: For program point L50-2(lines 50 54) no Hoare annotation was computed. [2021-11-20 23:17:47,097 INFO L858 garLoopResultBuilder]: For program point L216(lines 216 224) no Hoare annotation was computed. [2021-11-20 23:17:47,098 INFO L858 garLoopResultBuilder]: For program point L18-1(lines 18 22) no Hoare annotation was computed. [2021-11-20 23:17:47,098 INFO L854 garLoopResultBuilder]: At program point L18-2(lines 18 22) the Hoare annotation is: false [2021-11-20 23:17:47,098 INFO L858 garLoopResultBuilder]: For program point L18-3(lines 18 22) no Hoare annotation was computed. [2021-11-20 23:17:47,098 INFO L854 garLoopResultBuilder]: At program point L283(line 283) the Hoare annotation is: false [2021-11-20 23:17:47,098 INFO L858 garLoopResultBuilder]: For program point L283-1(line 283) no Hoare annotation was computed. [2021-11-20 23:17:47,099 INFO L858 garLoopResultBuilder]: For program point L316-2(lines 316 317) no Hoare annotation was computed. [2021-11-20 23:17:47,099 INFO L854 garLoopResultBuilder]: At program point L316-3(lines 316 317) the Hoare annotation is: false [2021-11-20 23:17:47,099 INFO L858 garLoopResultBuilder]: For program point L316-4(lines 306 346) no Hoare annotation was computed. [2021-11-20 23:17:47,099 INFO L858 garLoopResultBuilder]: For program point L449(lines 449 468) no Hoare annotation was computed. [2021-11-20 23:17:47,099 INFO L858 garLoopResultBuilder]: For program point L449-1(lines 437 469) no Hoare annotation was computed. [2021-11-20 23:17:47,100 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-20 23:17:47,100 INFO L858 garLoopResultBuilder]: For program point L284(lines 284 291) no Hoare annotation was computed. [2021-11-20 23:17:47,100 INFO L858 garLoopResultBuilder]: For program point L251(lines 251 252) no Hoare annotation was computed. [2021-11-20 23:17:47,100 INFO L854 garLoopResultBuilder]: At program point L284-2(lines 275 292) the Hoare annotation is: false [2021-11-20 23:17:47,100 INFO L858 garLoopResultBuilder]: For program point L318-1(line 318) no Hoare annotation was computed. [2021-11-20 23:17:47,101 INFO L854 garLoopResultBuilder]: At program point L252(line 252) the Hoare annotation is: false [2021-11-20 23:17:47,101 INFO L858 garLoopResultBuilder]: For program point L252-1(line 252) no Hoare annotation was computed. [2021-11-20 23:17:47,101 INFO L858 garLoopResultBuilder]: For program point L153(lines 153 157) no Hoare annotation was computed. [2021-11-20 23:17:47,101 INFO L858 garLoopResultBuilder]: For program point L153-1(lines 146 159) no Hoare annotation was computed. [2021-11-20 23:17:47,102 INFO L858 garLoopResultBuilder]: For program point L153-2(lines 153 157) no Hoare annotation was computed. [2021-11-20 23:17:47,102 INFO L858 garLoopResultBuilder]: For program point L187(lines 187 188) no Hoare annotation was computed. [2021-11-20 23:17:47,102 INFO L858 garLoopResultBuilder]: For program point L187-2(lines 187 188) no Hoare annotation was computed. [2021-11-20 23:17:47,102 INFO L854 garLoopResultBuilder]: At program point L55(lines 15 56) the Hoare annotation is: false [2021-11-20 23:17:47,102 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))) [2021-11-20 23:17:47,103 INFO L858 garLoopResultBuilder]: For program point L485-1(lines 485 489) no Hoare annotation was computed. [2021-11-20 23:17:47,103 INFO L854 garLoopResultBuilder]: At program point L485-2(lines 485 489) the Hoare annotation is: false [2021-11-20 23:17:47,103 INFO L858 garLoopResultBuilder]: For program point L485-3(lines 485 489) no Hoare annotation was computed. [2021-11-20 23:17:47,103 INFO L858 garLoopResultBuilder]: For program point L320-2(lines 320 321) no Hoare annotation was computed. [2021-11-20 23:17:47,103 INFO L858 garLoopResultBuilder]: For program point L221(lines 221 224) no Hoare annotation was computed. [2021-11-20 23:17:47,104 INFO L854 garLoopResultBuilder]: At program point L320-3(lines 320 321) the Hoare annotation is: false [2021-11-20 23:17:47,104 INFO L858 garLoopResultBuilder]: For program point L320-4(lines 306 346) no Hoare annotation was computed. [2021-11-20 23:17:47,104 INFO L858 garLoopResultBuilder]: For program point L420(lines 420 427) no Hoare annotation was computed. [2021-11-20 23:17:47,104 INFO L858 garLoopResultBuilder]: For program point L420-2(lines 420 427) no Hoare annotation was computed. [2021-11-20 23:17:47,104 INFO L858 garLoopResultBuilder]: For program point L322-1(line 322) no Hoare annotation was computed. [2021-11-20 23:17:47,105 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-20 23:17:47,105 INFO L858 garLoopResultBuilder]: For program point L223(lines 223 224) no Hoare annotation was computed. [2021-11-20 23:17:47,105 INFO L858 garLoopResultBuilder]: For program point L256-1(lines 178 348) no Hoare annotation was computed. [2021-11-20 23:17:47,105 INFO L858 garLoopResultBuilder]: For program point L223-2(lines 178 348) no Hoare annotation was computed. [2021-11-20 23:17:47,105 INFO L858 garLoopResultBuilder]: For program point L25(lines 25 49) no Hoare annotation was computed. [2021-11-20 23:17:47,106 INFO L858 garLoopResultBuilder]: For program point L455-1(lines 455 459) no Hoare annotation was computed. [2021-11-20 23:17:47,106 INFO L854 garLoopResultBuilder]: At program point L455-2(lines 455 459) the Hoare annotation is: false [2021-11-20 23:17:47,106 INFO L858 garLoopResultBuilder]: For program point L455-3(lines 455 459) no Hoare annotation was computed. [2021-11-20 23:17:47,106 INFO L854 garLoopResultBuilder]: At program point L158(lines 146 159) the Hoare annotation is: false [2021-11-20 23:17:47,106 INFO L858 garLoopResultBuilder]: For program point L26(lines 26 43) no Hoare annotation was computed. [2021-11-20 23:17:47,107 INFO L858 garLoopResultBuilder]: For program point L588-1(lines 588 592) no Hoare annotation was computed. [2021-11-20 23:17:47,107 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))) [2021-11-20 23:17:47,107 INFO L858 garLoopResultBuilder]: For program point L588-3(lines 588 592) no Hoare annotation was computed. [2021-11-20 23:17:47,107 INFO L858 garLoopResultBuilder]: For program point L324(line 324) no Hoare annotation was computed. [2021-11-20 23:17:47,107 INFO L858 garLoopResultBuilder]: For program point L258-2(lines 258 259) no Hoare annotation was computed. [2021-11-20 23:17:47,108 INFO L854 garLoopResultBuilder]: At program point L258-3(lines 258 259) the Hoare annotation is: false [2021-11-20 23:17:47,108 INFO L858 garLoopResultBuilder]: For program point L258-4(lines 256 273) no Hoare annotation was computed. [2021-11-20 23:17:47,108 INFO L858 garLoopResultBuilder]: For program point L27(lines 27 33) no Hoare annotation was computed. [2021-11-20 23:17:47,108 INFO L858 garLoopResultBuilder]: For program point L490-2(lines 490 493) no Hoare annotation was computed. [2021-11-20 23:17:47,108 INFO L854 garLoopResultBuilder]: At program point L490-3(lines 490 493) the Hoare annotation is: false [2021-11-20 23:17:47,109 INFO L858 garLoopResultBuilder]: For program point L490-4(lines 490 493) no Hoare annotation was computed. [2021-11-20 23:17:47,109 INFO L858 garLoopResultBuilder]: For program point L325-2(lines 325 329) no Hoare annotation was computed. [2021-11-20 23:17:47,109 INFO L858 garLoopResultBuilder]: For program point L226(lines 178 348) no Hoare annotation was computed. [2021-11-20 23:17:47,109 INFO L854 garLoopResultBuilder]: At program point L325-3(lines 325 329) the Hoare annotation is: false [2021-11-20 23:17:47,109 INFO L858 garLoopResultBuilder]: For program point L325-4(lines 325 329) no Hoare annotation was computed. [2021-11-20 23:17:47,110 INFO L858 garLoopResultBuilder]: For program point L193-2(lines 193 194) no Hoare annotation was computed. [2021-11-20 23:17:47,110 INFO L854 garLoopResultBuilder]: At program point L193-3(lines 193 194) the Hoare annotation is: false [2021-11-20 23:17:47,110 INFO L858 garLoopResultBuilder]: For program point L193-4(lines 193 194) no Hoare annotation was computed. [2021-11-20 23:17:47,110 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-20 23:17:47,110 INFO L858 garLoopResultBuilder]: For program point L28(lines 28 32) no Hoare annotation was computed. [2021-11-20 23:17:47,111 INFO L858 garLoopResultBuilder]: For program point L61-1(lines 61 65) no Hoare annotation was computed. [2021-11-20 23:17:47,111 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))) [2021-11-20 23:17:47,111 INFO L858 garLoopResultBuilder]: For program point L61-3(lines 61 65) no Hoare annotation was computed. [2021-11-20 23:17:47,111 INFO L858 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2021-11-20 23:17:47,111 INFO L858 garLoopResultBuilder]: For program point L194-2(line 194) no Hoare annotation was computed. [2021-11-20 23:17:47,112 INFO L858 garLoopResultBuilder]: For program point L294(line 294) no Hoare annotation was computed. [2021-11-20 23:17:47,112 INFO L858 garLoopResultBuilder]: For program point L261-1(lines 261 262) no Hoare annotation was computed. [2021-11-20 23:17:47,112 INFO L858 garLoopResultBuilder]: For program point L261-3(lines 261 262) no Hoare annotation was computed. [2021-11-20 23:17:47,112 INFO L854 garLoopResultBuilder]: At program point L261-4(lines 261 262) the Hoare annotation is: false [2021-11-20 23:17:47,112 INFO L858 garLoopResultBuilder]: For program point L261-5(lines 261 262) no Hoare annotation was computed. [2021-11-20 23:17:47,112 INFO L858 garLoopResultBuilder]: For program point L30(lines 30 32) no Hoare annotation was computed. [2021-11-20 23:17:47,113 INFO L858 garLoopResultBuilder]: For program point L295-2(lines 295 298) no Hoare annotation was computed. [2021-11-20 23:17:47,113 INFO L854 garLoopResultBuilder]: At program point L295-3(lines 295 298) the Hoare annotation is: false [2021-11-20 23:17:47,113 INFO L858 garLoopResultBuilder]: For program point L229-2(lines 229 238) no Hoare annotation was computed. [2021-11-20 23:17:47,113 INFO L858 garLoopResultBuilder]: For program point L295-4(lines 295 298) no Hoare annotation was computed. [2021-11-20 23:17:47,113 INFO L858 garLoopResultBuilder]: For program point L196-2(lines 196 200) no Hoare annotation was computed. [2021-11-20 23:17:47,114 INFO L854 garLoopResultBuilder]: At program point L229-3(lines 229 238) the Hoare annotation is: false [2021-11-20 23:17:47,114 INFO L854 garLoopResultBuilder]: At program point L196-3(lines 196 200) the Hoare annotation is: false [2021-11-20 23:17:47,114 INFO L858 garLoopResultBuilder]: For program point L229-4(lines 226 254) no Hoare annotation was computed. [2021-11-20 23:17:47,114 INFO L858 garLoopResultBuilder]: For program point L196-4(lines 196 200) no Hoare annotation was computed. [2021-11-20 23:17:47,114 INFO L858 garLoopResultBuilder]: For program point L461(lines 461 467) no Hoare annotation was computed. [2021-11-20 23:17:47,115 INFO L858 garLoopResultBuilder]: For program point L395-1(lines 395 399) no Hoare annotation was computed. [2021-11-20 23:17:47,115 INFO L854 garLoopResultBuilder]: At program point L395-2(lines 395 399) the Hoare annotation is: false [2021-11-20 23:17:47,115 INFO L858 garLoopResultBuilder]: For program point L395-3(lines 395 399) no Hoare annotation was computed. [2021-11-20 23:17:47,115 INFO L858 garLoopResultBuilder]: For program point L197-2(lines 197 198) no Hoare annotation was computed. [2021-11-20 23:17:47,115 INFO L854 garLoopResultBuilder]: At program point L197-3(lines 197 198) the Hoare annotation is: false [2021-11-20 23:17:47,115 INFO L858 garLoopResultBuilder]: For program point L197-4(lines 197 198) no Hoare annotation was computed. [2021-11-20 23:17:47,116 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-20 23:17:47,116 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 629) no Hoare annotation was computed. [2021-11-20 23:17:47,116 INFO L858 garLoopResultBuilder]: For program point L330-2(lines 330 334) no Hoare annotation was computed. [2021-11-20 23:17:47,116 INFO L858 garLoopResultBuilder]: For program point L231(lines 231 237) no Hoare annotation was computed. [2021-11-20 23:17:47,116 INFO L854 garLoopResultBuilder]: At program point L330-3(lines 330 334) the Hoare annotation is: false [2021-11-20 23:17:47,117 INFO L858 garLoopResultBuilder]: For program point L264-2(lines 264 269) no Hoare annotation was computed. [2021-11-20 23:17:47,117 INFO L858 garLoopResultBuilder]: For program point L330-4(lines 330 334) no Hoare annotation was computed. [2021-11-20 23:17:47,117 INFO L854 garLoopResultBuilder]: At program point L264-3(lines 264 269) the Hoare annotation is: false [2021-11-20 23:17:47,117 INFO L858 garLoopResultBuilder]: For program point L264-4(lines 264 269) no Hoare annotation was computed. [2021-11-20 23:17:47,117 INFO L858 garLoopResultBuilder]: For program point L628(line 628) no Hoare annotation was computed. [2021-11-20 23:17:47,118 INFO L858 garLoopResultBuilder]: For program point L595(lines 595 613) no Hoare annotation was computed. [2021-11-20 23:17:47,118 INFO L858 garLoopResultBuilder]: For program point L628-2(lines 628 631) no Hoare annotation was computed. [2021-11-20 23:17:47,118 INFO L858 garLoopResultBuilder]: For program point L496-1(lines 496 497) no Hoare annotation was computed. [2021-11-20 23:17:47,118 INFO L854 garLoopResultBuilder]: At program point L496-3(lines 496 497) the Hoare annotation is: false [2021-11-20 23:17:47,118 INFO L858 garLoopResultBuilder]: For program point L496-4(lines 496 497) no Hoare annotation was computed. [2021-11-20 23:17:47,118 INFO L858 garLoopResultBuilder]: For program point L232(lines 232 235) no Hoare annotation was computed. [2021-11-20 23:17:47,119 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))) [2021-11-20 23:17:47,119 INFO L858 garLoopResultBuilder]: For program point L629(line 629) no Hoare annotation was computed. [2021-11-20 23:17:47,119 INFO L854 garLoopResultBuilder]: At program point L596(line 596) the Hoare annotation is: (= |ULTIMATE.start_sin_float_~x#1| (fp.neg (_ +zero 8 24))) [2021-11-20 23:17:47,119 INFO L858 garLoopResultBuilder]: For program point L596-1(line 596) no Hoare annotation was computed. [2021-11-20 23:17:47,119 INFO L858 garLoopResultBuilder]: For program point L431(lines 431 477) no Hoare annotation was computed. [2021-11-20 23:17:47,120 INFO L858 garLoopResultBuilder]: For program point L266-2(lines 266 267) no Hoare annotation was computed. [2021-11-20 23:17:47,120 INFO L854 garLoopResultBuilder]: At program point L266-3(lines 266 267) the Hoare annotation is: false [2021-11-20 23:17:47,120 INFO L858 garLoopResultBuilder]: For program point L266-4(lines 266 267) no Hoare annotation was computed. [2021-11-20 23:17:47,120 INFO L861 garLoopResultBuilder]: At program point L122(line 122) the Hoare annotation is: true [2021-11-20 23:17:47,120 INFO L858 garLoopResultBuilder]: For program point L122-1(line 122) no Hoare annotation was computed. [2021-11-20 23:17:47,121 INFO L861 garLoopResultBuilder]: At program point L135(line 135) the Hoare annotation is: true [2021-11-20 23:17:47,121 INFO L858 garLoopResultBuilder]: For program point L135-1(line 135) no Hoare annotation was computed. [2021-11-20 23:17:47,121 INFO L858 garLoopResultBuilder]: For program point L131(lines 131 136) no Hoare annotation was computed. [2021-11-20 23:17:47,121 INFO L858 garLoopResultBuilder]: For program point L98-1(lines 98 102) no Hoare annotation was computed. [2021-11-20 23:17:47,121 INFO L861 garLoopResultBuilder]: At program point L98-2(lines 98 102) the Hoare annotation is: true [2021-11-20 23:17:47,121 INFO L858 garLoopResultBuilder]: For program point L98-3(lines 98 102) no Hoare annotation was computed. [2021-11-20 23:17:47,122 INFO L858 garLoopResultBuilder]: For program point L123(lines 123 130) no Hoare annotation was computed. [2021-11-20 23:17:47,122 INFO L858 garLoopResultBuilder]: For program point L111-1(lines 111 115) no Hoare annotation was computed. [2021-11-20 23:17:47,122 INFO L861 garLoopResultBuilder]: At program point L111-2(lines 111 115) the Hoare annotation is: true [2021-11-20 23:17:47,122 INFO L858 garLoopResultBuilder]: For program point scalbn_floatFINAL(lines 94 144) no Hoare annotation was computed. [2021-11-20 23:17:47,122 INFO L858 garLoopResultBuilder]: For program point L111-3(lines 111 115) no Hoare annotation was computed. [2021-11-20 23:17:47,122 INFO L858 garLoopResultBuilder]: For program point L107(lines 107 108) no Hoare annotation was computed. [2021-11-20 23:17:47,123 INFO L858 garLoopResultBuilder]: For program point L132(lines 132 135) no Hoare annotation was computed. [2021-11-20 23:17:47,123 INFO L858 garLoopResultBuilder]: For program point L124-1(lines 124 128) no Hoare annotation was computed. [2021-11-20 23:17:47,123 INFO L861 garLoopResultBuilder]: At program point L124-2(lines 124 128) the Hoare annotation is: true [2021-11-20 23:17:47,123 INFO L858 garLoopResultBuilder]: For program point L124-3(lines 124 128) no Hoare annotation was computed. [2021-11-20 23:17:47,123 INFO L858 garLoopResultBuilder]: For program point scalbn_floatEXIT(lines 94 144) no Hoare annotation was computed. [2021-11-20 23:17:47,123 INFO L861 garLoopResultBuilder]: At program point scalbn_floatENTRY(lines 94 144) the Hoare annotation is: true [2021-11-20 23:17:47,124 INFO L861 garLoopResultBuilder]: At program point L133(line 133) the Hoare annotation is: true [2021-11-20 23:17:47,124 INFO L858 garLoopResultBuilder]: For program point L133-1(line 133) no Hoare annotation was computed. [2021-11-20 23:17:47,124 INFO L858 garLoopResultBuilder]: For program point L121(lines 121 122) no Hoare annotation was computed. [2021-11-20 23:17:47,124 INFO L858 garLoopResultBuilder]: For program point L117(lines 117 118) no Hoare annotation was computed. [2021-11-20 23:17:47,124 INFO L858 garLoopResultBuilder]: For program point L109(lines 109 119) no Hoare annotation was computed. [2021-11-20 23:17:47,124 INFO L858 garLoopResultBuilder]: For program point L109-2(lines 109 119) no Hoare annotation was computed. [2021-11-20 23:17:47,125 INFO L858 garLoopResultBuilder]: For program point L105(lines 105 106) no Hoare annotation was computed. [2021-11-20 23:17:47,125 INFO L858 garLoopResultBuilder]: For program point L138-1(lines 138 142) no Hoare annotation was computed. [2021-11-20 23:17:47,125 INFO L861 garLoopResultBuilder]: At program point L138-2(lines 138 142) the Hoare annotation is: true [2021-11-20 23:17:47,125 INFO L858 garLoopResultBuilder]: For program point L138-3(lines 138 142) no Hoare annotation was computed. [2021-11-20 23:17:47,139 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2021-11-20 23:17:47,141 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-20 23:17:47,177 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 11:17:47 BoogieIcfgContainer [2021-11-20 23:17:47,177 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-20 23:17:47,178 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 23:17:47,179 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 23:17:47,179 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 23:17:47,180 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:16:58" (3/4) ... [2021-11-20 23:17:47,183 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-20 23:17:47,191 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __kernel_cosf [2021-11-20 23:17:47,191 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure copysign_float [2021-11-20 23:17:47,191 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __kernel_sinf [2021-11-20 23:17:47,192 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure scalbn_float [2021-11-20 23:17:47,233 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 80 nodes and edges [2021-11-20 23:17:47,237 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2021-11-20 23:17:47,240 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-20 23:17:47,242 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-20 23:17:47,296 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) [2021-11-20 23:17:47,297 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) [2021-11-20 23:17:47,299 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()) [2021-11-20 23:17:47,301 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()) [2021-11-20 23:17:47,610 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f153f86-08e8-4a4c-ba20-babaf65d95bd/bin/utaipan-TEXQjIfE4P/witness.graphml [2021-11-20 23:17:47,610 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 23:17:47,610 INFO L158 Benchmark]: Toolchain (without parser) took 90755.98ms. Allocated memory was 58.7MB in the beginning and 75.5MB in the end (delta: 16.8MB). Free memory was 35.2MB in the beginning and 23.5MB in the end (delta: 11.7MB). Peak memory consumption was 36.4MB. Max. memory is 16.1GB. [2021-11-20 23:17:47,611 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 58.7MB. Free memory was 39.6MB in the beginning and 39.5MB in the end (delta: 42.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 23:17:47,611 INFO L158 Benchmark]: CACSL2BoogieTranslator took 724.49ms. Allocated memory is still 58.7MB. Free memory was 35.0MB in the beginning and 33.5MB in the end (delta: 1.5MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2021-11-20 23:17:47,612 INFO L158 Benchmark]: Boogie Procedure Inliner took 122.36ms. Allocated memory is still 58.7MB. Free memory was 33.3MB in the beginning and 26.0MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-20 23:17:47,612 INFO L158 Benchmark]: Boogie Preprocessor took 201.75ms. Allocated memory was 58.7MB in the beginning and 75.5MB in the end (delta: 16.8MB). Free memory was 26.0MB in the beginning and 47.5MB in the end (delta: -21.5MB). Peak memory consumption was 4.7MB. Max. memory is 16.1GB. [2021-11-20 23:17:47,612 INFO L158 Benchmark]: RCFGBuilder took 40837.99ms. Allocated memory is still 75.5MB. Free memory was 47.5MB in the beginning and 31.2MB in the end (delta: 16.3MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB. [2021-11-20 23:17:47,613 INFO L158 Benchmark]: TraceAbstraction took 48423.68ms. Allocated memory is still 75.5MB. Free memory was 30.8MB in the beginning and 46.2MB in the end (delta: -15.5MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. [2021-11-20 23:17:47,613 INFO L158 Benchmark]: Witness Printer took 432.09ms. Allocated memory is still 75.5MB. Free memory was 46.2MB in the beginning and 23.5MB in the end (delta: 22.7MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2021-11-20 23:17:47,615 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 58.7MB. Free memory was 39.6MB in the beginning and 39.5MB in the end (delta: 42.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 724.49ms. Allocated memory is still 58.7MB. Free memory was 35.0MB in the beginning and 33.5MB in the end (delta: 1.5MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 122.36ms. Allocated memory is still 58.7MB. Free memory was 33.3MB in the beginning and 26.0MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 201.75ms. Allocated memory was 58.7MB in the beginning and 75.5MB in the end (delta: 16.8MB). Free memory was 26.0MB in the beginning and 47.5MB in the end (delta: -21.5MB). Peak memory consumption was 4.7MB. Max. memory is 16.1GB. * RCFGBuilder took 40837.99ms. Allocated memory is still 75.5MB. Free memory was 47.5MB in the beginning and 31.2MB in the end (delta: 16.3MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB. * TraceAbstraction took 48423.68ms. Allocated memory is still 75.5MB. Free memory was 30.8MB in the beginning and 46.2MB in the end (delta: -15.5MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. * Witness Printer took 432.09ms. Allocated memory is still 75.5MB. Free memory was 46.2MB in the beginning and 23.5MB in the end (delta: 22.7MB). Peak memory consumption was 29.4MB. 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: 48.3s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 22.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 9 mSolverCounterUnknown, 125 SdHoareTripleChecker+Valid, 20.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 122 mSDsluCounter, 938 SdHoareTripleChecker+Invalid, 20.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 76 IncrementalHoareTripleChecker+Unchecked, 481 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 164 IncrementalHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 457 mSDtfsCounter, 164 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 221 GetRequests, 153 SyntacticMatches, 3 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 6.1s 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, 11.2s SatisfiabilityAnalysisTime, 11.6s InterpolantComputationTime, 108 NumberOfCodeBlocks, 108 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 204 ConstructedInterpolants, 36 QuantifiedInterpolants, 1344 SizeOfPredicates, 33 NumberOfNonLiveVariables, 2229 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! [2021-11-20 23:17:47,736 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f153f86-08e8-4a4c-ba20-babaf65d95bd/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE