./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_39322f50-8349-44a2-bdac-1726829c9e87/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39322f50-8349-44a2-bdac-1726829c9e87/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39322f50-8349-44a2-bdac-1726829c9e87/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39322f50-8349-44a2-bdac-1726829c9e87/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0220b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39322f50-8349-44a2-bdac-1726829c9e87/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39322f50-8349-44a2-bdac-1726829c9e87/bin/uautomizer-DQz5hQGWxF --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash eba0d69032dcca3a4fd537674be713f074cf8e41be9cc562a35b9ffa9def96ba --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 07:17:29,640 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 07:17:29,642 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 07:17:29,688 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 07:17:29,689 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 07:17:29,695 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 07:17:29,699 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 07:17:29,705 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 07:17:29,708 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 07:17:29,718 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 07:17:29,719 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 07:17:29,722 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 07:17:29,723 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 07:17:29,727 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 07:17:29,731 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 07:17:29,738 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 07:17:29,740 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 07:17:29,742 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 07:17:29,745 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 07:17:29,754 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 07:17:29,758 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 07:17:29,760 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 07:17:29,764 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 07:17:29,766 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 07:17:29,773 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 07:17:29,773 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 07:17:29,774 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 07:17:29,776 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 07:17:29,777 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 07:17:29,779 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 07:17:29,781 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 07:17:29,782 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 07:17:29,785 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 07:17:29,787 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 07:17:29,789 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 07:17:29,790 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 07:17:29,791 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 07:17:29,791 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 07:17:29,791 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 07:17:29,793 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 07:17:29,794 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 07:17:29,795 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39322f50-8349-44a2-bdac-1726829c9e87/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-20 07:17:29,852 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 07:17:29,854 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 07:17:29,855 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 07:17:29,856 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 07:17:29,857 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 07:17:29,857 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 07:17:29,858 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 07:17:29,858 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 07:17:29,859 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 07:17:29,859 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 07:17:29,860 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 07:17:29,861 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 07:17:29,861 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 07:17:29,861 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 07:17:29,862 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 07:17:29,862 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 07:17:29,862 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 07:17:29,863 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 07:17:29,863 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 07:17:29,863 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 07:17:29,863 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 07:17:29,864 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 07:17:29,864 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 07:17:29,864 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 07:17:29,865 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:17:29,865 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 07:17:29,865 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 07:17:29,866 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 07:17:29,866 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 07:17:29,868 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 07:17:29,868 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 07:17:29,869 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 07:17:29,869 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 07:17:29,869 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 07:17:29,870 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_39322f50-8349-44a2-bdac-1726829c9e87/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39322f50-8349-44a2-bdac-1726829c9e87/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eba0d69032dcca3a4fd537674be713f074cf8e41be9cc562a35b9ffa9def96ba [2021-11-20 07:17:30,240 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 07:17:30,271 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 07:17:30,274 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 07:17:30,276 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 07:17:30,277 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 07:17:30,279 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39322f50-8349-44a2-bdac-1726829c9e87/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/float-newlib/float_req_bl_0220b.c [2021-11-20 07:17:30,372 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39322f50-8349-44a2-bdac-1726829c9e87/bin/uautomizer-DQz5hQGWxF/data/dbdcb9c3c/65124cf5f4b74ff2a08c33092bdf8563/FLAGf077f3afa [2021-11-20 07:17:31,019 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 07:17:31,020 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39322f50-8349-44a2-bdac-1726829c9e87/sv-benchmarks/c/float-newlib/float_req_bl_0220b.c [2021-11-20 07:17:31,034 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39322f50-8349-44a2-bdac-1726829c9e87/bin/uautomizer-DQz5hQGWxF/data/dbdcb9c3c/65124cf5f4b74ff2a08c33092bdf8563/FLAGf077f3afa [2021-11-20 07:17:31,240 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39322f50-8349-44a2-bdac-1726829c9e87/bin/uautomizer-DQz5hQGWxF/data/dbdcb9c3c/65124cf5f4b74ff2a08c33092bdf8563 [2021-11-20 07:17:31,243 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 07:17:31,245 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 07:17:31,247 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 07:17:31,248 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 07:17:31,252 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 07:17:31,253 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:17:31" (1/1) ... [2021-11-20 07:17:31,254 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bfa95fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:17:31, skipping insertion in model container [2021-11-20 07:17:31,255 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:17:31" (1/1) ... [2021-11-20 07:17:31,264 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 07:17:31,318 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 07:17:31,727 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_39322f50-8349-44a2-bdac-1726829c9e87/sv-benchmarks/c/float-newlib/float_req_bl_0220b.c[15845,15858] [2021-11-20 07:17:31,743 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:17:31,794 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 07:17:31,954 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_39322f50-8349-44a2-bdac-1726829c9e87/sv-benchmarks/c/float-newlib/float_req_bl_0220b.c[15845,15858] [2021-11-20 07:17:31,955 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:17:32,016 INFO L208 MainTranslator]: Completed translation [2021-11-20 07:17:32,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:17:32 WrapperNode [2021-11-20 07:17:32,017 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 07:17:32,018 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 07:17:32,019 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 07:17:32,019 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 07:17:32,029 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:17:32" (1/1) ... [2021-11-20 07:17:32,070 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:17:32" (1/1) ... [2021-11-20 07:17:32,203 INFO L137 Inliner]: procedures = 25, calls = 495, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 1156 [2021-11-20 07:17:32,204 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 07:17:32,205 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 07:17:32,206 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 07:17:32,206 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 07:17:32,218 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:17:32" (1/1) ... [2021-11-20 07:17:32,219 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:17:32" (1/1) ... [2021-11-20 07:17:32,252 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:17:32" (1/1) ... [2021-11-20 07:17:32,253 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:17:32" (1/1) ... [2021-11-20 07:17:32,328 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:17:32" (1/1) ... [2021-11-20 07:17:32,348 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:17:32" (1/1) ... [2021-11-20 07:17:32,354 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:17:32" (1/1) ... [2021-11-20 07:17:32,366 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 07:17:32,367 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 07:17:32,367 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 07:17:32,368 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 07:17:32,369 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:17:32" (1/1) ... [2021-11-20 07:17:32,379 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:17:32,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39322f50-8349-44a2-bdac-1726829c9e87/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:17:32,429 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39322f50-8349-44a2-bdac-1726829c9e87/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 07:17:32,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39322f50-8349-44a2-bdac-1726829c9e87/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 07:17:32,487 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_cosf [2021-11-20 07:17:32,488 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_cosf [2021-11-20 07:17:32,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 07:17:32,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 07:17:32,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-11-20 07:17:32,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 07:17:32,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-11-20 07:17:32,491 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_sinf [2021-11-20 07:17:32,492 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_sinf [2021-11-20 07:17:32,492 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_float [2021-11-20 07:17:32,492 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_float [2021-11-20 07:17:32,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 07:17:32,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-11-20 07:17:32,493 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2021-11-20 07:17:32,494 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2021-11-20 07:17:32,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 07:17:32,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 07:17:32,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 07:17:32,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 07:17:32,765 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 07:17:32,780 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 07:17:34,627 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 07:17:34,640 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 07:17:34,640 INFO L301 CfgBuilder]: Removed 61 assume(true) statements. [2021-11-20 07:17:34,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:17:34 BoogieIcfgContainer [2021-11-20 07:17:34,643 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 07:17:34,646 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 07:17:34,646 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 07:17:34,651 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 07:17:34,651 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 07:17:31" (1/3) ... [2021-11-20 07:17:34,652 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@247c7be0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:17:34, skipping insertion in model container [2021-11-20 07:17:34,653 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:17:32" (2/3) ... [2021-11-20 07:17:34,653 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@247c7be0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:17:34, skipping insertion in model container [2021-11-20 07:17:34,653 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:17:34" (3/3) ... [2021-11-20 07:17:34,655 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0220b.c [2021-11-20 07:17:34,662 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 07:17:34,663 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 07:17:34,730 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 07:17:34,739 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=PETRI_NET, 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 07:17:34,740 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 07:17:34,772 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 07:17:34,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-20 07:17:34,778 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:17:34,779 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:17:34,780 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:17:34,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:17:34,787 INFO L85 PathProgramCache]: Analyzing trace with hash -709361443, now seen corresponding path program 1 times [2021-11-20 07:17:34,798 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:17:34,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874515328] [2021-11-20 07:17:34,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:17:34,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:17:35,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:17:35,239 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 07:17:35,240 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:17:35,240 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874515328] [2021-11-20 07:17:35,241 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874515328] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:17:35,241 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:17:35,242 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 07:17:35,244 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280093514] [2021-11-20 07:17:35,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:17:35,250 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-20 07:17:35,250 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:17:35,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-20 07:17:35,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 07:17:35,286 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 07:17:35,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:17:35,388 INFO L93 Difference]: Finished difference Result 496 states and 826 transitions. [2021-11-20 07:17:35,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:17:35,391 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 07:17:35,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:17:35,407 INFO L225 Difference]: With dead ends: 496 [2021-11-20 07:17:35,407 INFO L226 Difference]: Without dead ends: 246 [2021-11-20 07:17:35,419 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 07:17:35,424 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 07:17:35,426 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 07:17:35,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2021-11-20 07:17:35,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 246. [2021-11-20 07:17:35,511 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 07:17:35,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 343 transitions. [2021-11-20 07:17:35,519 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 343 transitions. Word has length 10 [2021-11-20 07:17:35,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:17:35,520 INFO L470 AbstractCegarLoop]: Abstraction has 246 states and 343 transitions. [2021-11-20 07:17:35,520 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 07:17:35,521 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 343 transitions. [2021-11-20 07:17:35,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-20 07:17:35,522 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:17:35,522 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:17:35,523 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 07:17:35,523 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:17:35,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:17:35,525 INFO L85 PathProgramCache]: Analyzing trace with hash 759322579, now seen corresponding path program 1 times [2021-11-20 07:17:35,525 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:17:35,526 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311912637] [2021-11-20 07:17:35,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:17:35,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:17:35,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:17:35,695 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:17:35,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:17:35,874 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:17:35,875 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-20 07:17:35,877 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-20 07:17:35,880 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 07:17:35,884 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-11-20 07:17:35,896 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-20 07:17:36,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 07:17:36 BoogieIcfgContainer [2021-11-20 07:17:36,017 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-20 07:17:36,018 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 07:17:36,018 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 07:17:36,018 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 07:17:36,019 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:17:34" (3/4) ... [2021-11-20 07:17:36,023 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-20 07:17:36,023 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 07:17:36,024 INFO L158 Benchmark]: Toolchain (without parser) took 4778.73ms. Allocated memory was 115.3MB in the beginning and 172.0MB in the end (delta: 56.6MB). Free memory was 73.1MB in the beginning and 63.6MB in the end (delta: 9.5MB). Peak memory consumption was 64.1MB. Max. memory is 16.1GB. [2021-11-20 07:17:36,025 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 115.3MB. Free memory is still 90.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 07:17:36,026 INFO L158 Benchmark]: CACSL2BoogieTranslator took 770.12ms. Allocated memory is still 115.3MB. Free memory was 72.9MB in the beginning and 69.8MB in the end (delta: 3.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-20 07:17:36,027 INFO L158 Benchmark]: Boogie Procedure Inliner took 185.86ms. Allocated memory is still 115.3MB. Free memory was 69.8MB in the beginning and 62.8MB in the end (delta: 7.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-20 07:17:36,027 INFO L158 Benchmark]: Boogie Preprocessor took 161.19ms. Allocated memory is still 115.3MB. Free memory was 62.8MB in the beginning and 56.1MB in the end (delta: 6.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-20 07:17:36,028 INFO L158 Benchmark]: RCFGBuilder took 2276.35ms. Allocated memory was 115.3MB in the beginning and 172.0MB in the end (delta: 56.6MB). Free memory was 56.1MB in the beginning and 123.4MB in the end (delta: -67.3MB). Peak memory consumption was 50.7MB. Max. memory is 16.1GB. [2021-11-20 07:17:36,029 INFO L158 Benchmark]: TraceAbstraction took 1371.07ms. Allocated memory is still 172.0MB. Free memory was 122.3MB in the beginning and 63.6MB in the end (delta: 58.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2021-11-20 07:17:36,030 INFO L158 Benchmark]: Witness Printer took 5.32ms. Allocated memory is still 172.0MB. Free memory is still 63.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 07:17:36,034 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 115.3MB. Free memory is still 90.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 770.12ms. Allocated memory is still 115.3MB. Free memory was 72.9MB in the beginning and 69.8MB in the end (delta: 3.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 185.86ms. Allocated memory is still 115.3MB. Free memory was 69.8MB in the beginning and 62.8MB in the end (delta: 7.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 161.19ms. Allocated memory is still 115.3MB. Free memory was 62.8MB in the beginning and 56.1MB in the end (delta: 6.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 2276.35ms. Allocated memory was 115.3MB in the beginning and 172.0MB in the end (delta: 56.6MB). Free memory was 56.1MB in the beginning and 123.4MB in the end (delta: -67.3MB). Peak memory consumption was 50.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1371.07ms. Allocated memory is still 172.0MB. Free memory was 122.3MB in the beginning and 63.6MB in the end (delta: 58.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Witness Printer took 5.32ms. Allocated memory is still 172.0MB. Free memory is still 63.6MB. 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, }; 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, 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, zero_krempio=0, zero_rempio=0] [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)=1000000000000000000000000000002, 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=1000000000000000000000000000002, 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)=1000000000000000000000000000002, 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=1000000000000000000000000000002, y={14:0}, z=0, zero_krempio=0, zero_rempio=0] [L595] COND FALSE !(ix <= 0x3f490fd8) VAL [\old(x)=1000000000000000000000000000002, 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=1000000000000000000000000000002, 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)=1000000000000000000000000000002, 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=1000000000000000000000000000002, 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=1000000000000000000000000000001, 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=1000000000000000000000000000002, 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=1000000000000000000000000000001, 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=1000000000000000000000000000002, zero_krempio=0, zero_rempio=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 249 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 346 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 346 mSDtfsCounter, 0 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=249occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 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 07:17:36,099 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39322f50-8349-44a2-bdac-1726829c9e87/bin/uautomizer-DQz5hQGWxF/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_39322f50-8349-44a2-bdac-1726829c9e87/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39322f50-8349-44a2-bdac-1726829c9e87/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39322f50-8349-44a2-bdac-1726829c9e87/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39322f50-8349-44a2-bdac-1726829c9e87/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0220b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39322f50-8349-44a2-bdac-1726829c9e87/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39322f50-8349-44a2-bdac-1726829c9e87/bin/uautomizer-DQz5hQGWxF --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash eba0d69032dcca3a4fd537674be713f074cf8e41be9cc562a35b9ffa9def96ba --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 07:17:38,962 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 07:17:38,964 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 07:17:39,005 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 07:17:39,006 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 07:17:39,007 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 07:17:39,010 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 07:17:39,012 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 07:17:39,015 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 07:17:39,017 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 07:17:39,018 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 07:17:39,020 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 07:17:39,021 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 07:17:39,022 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 07:17:39,024 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 07:17:39,026 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 07:17:39,032 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 07:17:39,036 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 07:17:39,039 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 07:17:39,048 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 07:17:39,054 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 07:17:39,056 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 07:17:39,058 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 07:17:39,060 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 07:17:39,065 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 07:17:39,072 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 07:17:39,073 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 07:17:39,074 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 07:17:39,076 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 07:17:39,077 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 07:17:39,079 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 07:17:39,080 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 07:17:39,082 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 07:17:39,084 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 07:17:39,086 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 07:17:39,086 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 07:17:39,087 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 07:17:39,088 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 07:17:39,088 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 07:17:39,090 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 07:17:39,091 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 07:17:39,092 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39322f50-8349-44a2-bdac-1726829c9e87/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-11-20 07:17:39,159 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 07:17:39,160 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 07:17:39,161 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 07:17:39,161 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 07:17:39,162 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 07:17:39,163 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 07:17:39,165 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 07:17:39,165 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 07:17:39,165 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 07:17:39,166 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 07:17:39,167 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 07:17:39,168 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 07:17:39,168 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 07:17:39,168 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 07:17:39,169 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 07:17:39,169 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 07:17:39,169 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-20 07:17:39,170 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-20 07:17:39,170 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-20 07:17:39,170 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 07:17:39,171 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 07:17:39,171 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 07:17:39,171 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 07:17:39,172 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 07:17:39,172 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 07:17:39,172 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 07:17:39,172 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:17:39,173 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 07:17:39,174 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 07:17:39,174 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 07:17:39,174 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-20 07:17:39,174 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-20 07:17:39,175 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 07:17:39,175 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 07:17:39,176 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 07:17:39,176 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 07:17:39,176 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 07:17:39,177 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_39322f50-8349-44a2-bdac-1726829c9e87/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39322f50-8349-44a2-bdac-1726829c9e87/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eba0d69032dcca3a4fd537674be713f074cf8e41be9cc562a35b9ffa9def96ba [2021-11-20 07:17:39,715 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 07:17:39,743 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 07:17:39,747 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 07:17:39,748 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 07:17:39,749 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 07:17:39,751 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39322f50-8349-44a2-bdac-1726829c9e87/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/float-newlib/float_req_bl_0220b.c [2021-11-20 07:17:39,835 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39322f50-8349-44a2-bdac-1726829c9e87/bin/uautomizer-DQz5hQGWxF/data/68870a7ff/99f67bc4f42a4956a718e725ce4e8263/FLAG5f6a96dbc [2021-11-20 07:17:40,659 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 07:17:40,660 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39322f50-8349-44a2-bdac-1726829c9e87/sv-benchmarks/c/float-newlib/float_req_bl_0220b.c [2021-11-20 07:17:40,673 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39322f50-8349-44a2-bdac-1726829c9e87/bin/uautomizer-DQz5hQGWxF/data/68870a7ff/99f67bc4f42a4956a718e725ce4e8263/FLAG5f6a96dbc [2021-11-20 07:17:40,907 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39322f50-8349-44a2-bdac-1726829c9e87/bin/uautomizer-DQz5hQGWxF/data/68870a7ff/99f67bc4f42a4956a718e725ce4e8263 [2021-11-20 07:17:40,911 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 07:17:40,913 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 07:17:40,917 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 07:17:40,918 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 07:17:40,923 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 07:17:40,924 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:17:40" (1/1) ... [2021-11-20 07:17:40,926 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e540d74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:17:40, skipping insertion in model container [2021-11-20 07:17:40,927 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:17:40" (1/1) ... [2021-11-20 07:17:40,936 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 07:17:41,006 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 07:17:41,581 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_39322f50-8349-44a2-bdac-1726829c9e87/sv-benchmarks/c/float-newlib/float_req_bl_0220b.c[15845,15858] [2021-11-20 07:17:41,584 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:17:41,659 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 07:17:41,798 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_39322f50-8349-44a2-bdac-1726829c9e87/sv-benchmarks/c/float-newlib/float_req_bl_0220b.c[15845,15858] [2021-11-20 07:17:41,799 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:17:41,890 INFO L208 MainTranslator]: Completed translation [2021-11-20 07:17:41,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:17:41 WrapperNode [2021-11-20 07:17:41,892 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 07:17:41,894 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 07:17:41,894 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 07:17:41,894 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 07:17:41,904 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:17:41" (1/1) ... [2021-11-20 07:17:41,971 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:17:41" (1/1) ... [2021-11-20 07:17:42,101 INFO L137 Inliner]: procedures = 29, calls = 495, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 1154 [2021-11-20 07:17:42,101 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 07:17:42,103 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 07:17:42,103 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 07:17:42,104 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 07:17:42,116 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:17:41" (1/1) ... [2021-11-20 07:17:42,116 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:17:41" (1/1) ... [2021-11-20 07:17:42,143 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:17:41" (1/1) ... [2021-11-20 07:17:42,149 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:17:41" (1/1) ... [2021-11-20 07:17:42,253 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:17:41" (1/1) ... [2021-11-20 07:17:42,288 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:17:41" (1/1) ... [2021-11-20 07:17:42,302 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:17:41" (1/1) ... [2021-11-20 07:17:42,328 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 07:17:42,338 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 07:17:42,339 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 07:17:42,341 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 07:17:42,342 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:17:41" (1/1) ... [2021-11-20 07:17:42,351 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:17:42,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39322f50-8349-44a2-bdac-1726829c9e87/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:17:42,380 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39322f50-8349-44a2-bdac-1726829c9e87/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 07:17:42,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39322f50-8349-44a2-bdac-1726829c9e87/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 07:17:42,468 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_cosf [2021-11-20 07:17:42,469 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_cosf [2021-11-20 07:17:42,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 07:17:42,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-20 07:17:42,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-20 07:17:42,470 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 07:17:42,470 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2021-11-20 07:17:42,470 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-20 07:17:42,470 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_sinf [2021-11-20 07:17:42,470 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_sinf [2021-11-20 07:17:42,470 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_float [2021-11-20 07:17:42,471 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_float [2021-11-20 07:17:42,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2021-11-20 07:17:42,471 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2021-11-20 07:17:42,471 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2021-11-20 07:17:42,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2021-11-20 07:17:42,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 07:17:42,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 07:17:42,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-20 07:17:42,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 07:17:42,769 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 07:17:42,771 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 07:18:18,471 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 07:18:18,484 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 07:18:18,485 INFO L301 CfgBuilder]: Removed 61 assume(true) statements. [2021-11-20 07:18:18,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:18:18 BoogieIcfgContainer [2021-11-20 07:18:18,488 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 07:18:18,491 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 07:18:18,491 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 07:18:18,495 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 07:18:18,495 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 07:17:40" (1/3) ... [2021-11-20 07:18:18,496 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22345b7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:18:18, skipping insertion in model container [2021-11-20 07:18:18,497 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:17:41" (2/3) ... [2021-11-20 07:18:18,497 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22345b7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:18:18, skipping insertion in model container [2021-11-20 07:18:18,498 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:18:18" (3/3) ... [2021-11-20 07:18:18,499 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0220b.c [2021-11-20 07:18:18,507 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 07:18:18,507 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 07:18:18,575 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 07:18:18,583 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=PETRI_NET, 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 07:18:18,584 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 07:18:18,629 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 07:18:18,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-20 07:18:18,637 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:18:18,638 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:18:18,638 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:18:18,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:18:18,650 INFO L85 PathProgramCache]: Analyzing trace with hash -709361443, now seen corresponding path program 1 times [2021-11-20 07:18:18,669 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 07:18:18,671 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [424721801] [2021-11-20 07:18:18,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:18:18,674 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 07:18:18,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39322f50-8349-44a2-bdac-1726829c9e87/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 07:18:18,683 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39322f50-8349-44a2-bdac-1726829c9e87/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 07:18:18,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39322f50-8349-44a2-bdac-1726829c9e87/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-20 07:18:20,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:21,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-20 07:18:21,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:18:21,127 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 07:18:21,128 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 07:18:21,188 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 07:18:21,189 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 07:18:21,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [424721801] [2021-11-20 07:18:21,190 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [424721801] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 07:18:21,190 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:18:21,191 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-20 07:18:21,193 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806651273] [2021-11-20 07:18:21,193 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 07:18:21,198 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-20 07:18:21,199 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 07:18:21,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-20 07:18:21,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 07:18:21,245 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 07:18:21,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:18:21,377 INFO L93 Difference]: Finished difference Result 496 states and 826 transitions. [2021-11-20 07:18:21,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:18:21,380 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 07:18:21,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:18:21,411 INFO L225 Difference]: With dead ends: 496 [2021-11-20 07:18:21,411 INFO L226 Difference]: Without dead ends: 246 [2021-11-20 07:18:21,421 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 07:18:21,427 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 07:18:21,428 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 07:18:21,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2021-11-20 07:18:21,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 246. [2021-11-20 07:18:21,488 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 07:18:21,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 343 transitions. [2021-11-20 07:18:21,493 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 343 transitions. Word has length 10 [2021-11-20 07:18:21,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:18:21,493 INFO L470 AbstractCegarLoop]: Abstraction has 246 states and 343 transitions. [2021-11-20 07:18:21,494 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 07:18:21,494 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 343 transitions. [2021-11-20 07:18:21,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-20 07:18:21,495 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:18:21,495 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:18:21,541 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39322f50-8349-44a2-bdac-1726829c9e87/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-11-20 07:18:21,703 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39322f50-8349-44a2-bdac-1726829c9e87/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 07:18:21,703 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:18:21,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:18:21,704 INFO L85 PathProgramCache]: Analyzing trace with hash 759322579, now seen corresponding path program 1 times [2021-11-20 07:18:21,705 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 07:18:21,706 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1168477681] [2021-11-20 07:18:21,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:18:21,706 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 07:18:21,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39322f50-8349-44a2-bdac-1726829c9e87/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 07:18:21,708 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39322f50-8349-44a2-bdac-1726829c9e87/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 07:18:21,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39322f50-8349-44a2-bdac-1726829c9e87/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-20 07:18:23,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:24,157 INFO L263 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-20 07:18:24,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:18:24,459 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 07:18:24,460 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 07:18:24,782 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 07:18:24,782 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 07:18:24,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1168477681] [2021-11-20 07:18:24,783 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1168477681] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 07:18:24,783 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:18:24,783 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-20 07:18:24,784 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298716887] [2021-11-20 07:18:24,784 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 07:18:24,785 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-20 07:18:24,786 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 07:18:24,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-20 07:18:24,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-11-20 07:18:24,787 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 07:18:24,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:18:24,897 INFO L93 Difference]: Finished difference Result 265 states and 364 transitions. [2021-11-20 07:18:24,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 07:18:24,898 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 07:18:24,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:18:24,899 INFO L225 Difference]: With dead ends: 265 [2021-11-20 07:18:24,900 INFO L226 Difference]: Without dead ends: 27 [2021-11-20 07:18:24,901 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2021-11-20 07:18:24,903 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 07:18:24,904 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 07:18:24,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2021-11-20 07:18:24,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2021-11-20 07:18:24,909 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 07:18:24,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 30 transitions. [2021-11-20 07:18:24,910 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 30 transitions. Word has length 11 [2021-11-20 07:18:24,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:18:24,910 INFO L470 AbstractCegarLoop]: Abstraction has 27 states and 30 transitions. [2021-11-20 07:18:24,914 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 07:18:24,915 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2021-11-20 07:18:24,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-20 07:18:24,916 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:18:24,917 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 07:18:24,991 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39322f50-8349-44a2-bdac-1726829c9e87/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-20 07:18:25,134 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39322f50-8349-44a2-bdac-1726829c9e87/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 07:18:25,135 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:18:25,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:18:25,136 INFO L85 PathProgramCache]: Analyzing trace with hash 1983106081, now seen corresponding path program 1 times [2021-11-20 07:18:25,137 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 07:18:25,137 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [602829076] [2021-11-20 07:18:25,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:18:25,138 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 07:18:25,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39322f50-8349-44a2-bdac-1726829c9e87/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 07:18:25,139 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39322f50-8349-44a2-bdac-1726829c9e87/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 07:18:25,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39322f50-8349-44a2-bdac-1726829c9e87/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-20 07:18:27,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:27,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-20 07:18:27,621 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:18:28,173 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 07:18:28,173 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 07:18:29,621 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 07:18:29,621 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 07:18:29,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [602829076] [2021-11-20 07:18:29,622 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [602829076] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 07:18:29,622 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:18:29,622 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 13 [2021-11-20 07:18:29,622 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785513069] [2021-11-20 07:18:29,623 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 07:18:29,623 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-20 07:18:29,624 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 07:18:29,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-20 07:18:29,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2021-11-20 07:18:29,625 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 07:18:32,644 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 07:18:34,810 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 07:18:36,818 WARN L515 Checker$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 07:18:39,020 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 07:18:41,023 WARN L515 Checker$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 07:18:41,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:18:41,634 INFO L93 Difference]: Finished difference Result 43 states and 45 transitions. [2021-11-20 07:18:41,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-20 07:18:41,636 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 07:18:41,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:18:41,637 INFO L225 Difference]: With dead ends: 43 [2021-11-20 07:18:41,637 INFO L226 Difference]: Without dead ends: 40 [2021-11-20 07:18:41,638 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342 [2021-11-20 07:18:41,641 INFO L933 BasicCegarLoop]: 23 mSDtfsCounter, 55 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 6 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.0s 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, 11.2s IncrementalHoareTripleChecker+Time [2021-11-20 07:18:41,642 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [57 Valid, 170 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 70 Invalid, 5 Unknown, 0 Unchecked, 11.2s Time] [2021-11-20 07:18:41,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2021-11-20 07:18:41,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 32. [2021-11-20 07:18:41,650 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 07:18:41,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 35 transitions. [2021-11-20 07:18:41,651 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 35 transitions. Word has length 20 [2021-11-20 07:18:41,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:18:41,652 INFO L470 AbstractCegarLoop]: Abstraction has 32 states and 35 transitions. [2021-11-20 07:18:41,653 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 07:18:41,653 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 35 transitions. [2021-11-20 07:18:41,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-20 07:18:41,654 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:18:41,655 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 07:18:41,728 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39322f50-8349-44a2-bdac-1726829c9e87/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-20 07:18:41,859 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39322f50-8349-44a2-bdac-1726829c9e87/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 07:18:41,859 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:18:41,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:18:41,860 INFO L85 PathProgramCache]: Analyzing trace with hash 1085069118, now seen corresponding path program 1 times [2021-11-20 07:18:41,861 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 07:18:41,861 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [523348073] [2021-11-20 07:18:41,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:18:41,862 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 07:18:41,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39322f50-8349-44a2-bdac-1726829c9e87/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 07:18:41,866 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39322f50-8349-44a2-bdac-1726829c9e87/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 07:18:41,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39322f50-8349-44a2-bdac-1726829c9e87/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-20 07:18:45,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:45,201 INFO L263 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-20 07:18:45,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:18:45,823 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 07:18:45,824 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 07:18:47,502 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 07:18:47,502 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 07:18:47,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [523348073] [2021-11-20 07:18:47,503 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [523348073] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 07:18:47,503 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:18:47,504 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 11 [2021-11-20 07:18:47,504 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778254377] [2021-11-20 07:18:47,504 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 07:18:47,505 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-20 07:18:47,505 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 07:18:47,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-20 07:18:47,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-11-20 07:18:47,506 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 07:18:49,967 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 07:18:49,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:18:49,969 INFO L93 Difference]: Finished difference Result 46 states and 50 transitions. [2021-11-20 07:18:50,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 07:18:50,034 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 07:18:50,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:18:50,035 INFO L225 Difference]: With dead ends: 46 [2021-11-20 07:18:50,036 INFO L226 Difference]: Without dead ends: 32 [2021-11-20 07:18:50,037 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 30 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2021-11-20 07:18:50,039 INFO L933 BasicCegarLoop]: 26 mSDtfsCounter, 13 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s 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, 2.3s IncrementalHoareTripleChecker+Time [2021-11-20 07:18:50,040 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 114 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 1 Unknown, 16 Unchecked, 2.3s Time] [2021-11-20 07:18:50,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2021-11-20 07:18:50,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2021-11-20 07:18:50,050 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 07:18:50,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 34 transitions. [2021-11-20 07:18:50,051 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 34 transitions. Word has length 21 [2021-11-20 07:18:50,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:18:50,052 INFO L470 AbstractCegarLoop]: Abstraction has 32 states and 34 transitions. [2021-11-20 07:18:50,052 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 07:18:50,052 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 34 transitions. [2021-11-20 07:18:50,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-20 07:18:50,054 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:18:50,054 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 07:18:50,124 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39322f50-8349-44a2-bdac-1726829c9e87/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-11-20 07:18:50,271 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39322f50-8349-44a2-bdac-1726829c9e87/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 07:18:50,271 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:18:50,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:18:50,272 INFO L85 PathProgramCache]: Analyzing trace with hash 452402173, now seen corresponding path program 1 times [2021-11-20 07:18:50,274 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 07:18:50,274 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [589967655] [2021-11-20 07:18:50,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:18:50,275 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 07:18:50,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39322f50-8349-44a2-bdac-1726829c9e87/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 07:18:50,277 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39322f50-8349-44a2-bdac-1726829c9e87/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 07:18:50,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39322f50-8349-44a2-bdac-1726829c9e87/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-20 07:18:53,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:53,422 INFO L263 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-20 07:18:53,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:18:53,919 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 07:18:53,919 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 07:18:57,855 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 07:18:57,855 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 07:18:57,855 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [589967655] [2021-11-20 07:18:57,856 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [589967655] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 07:18:57,856 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:18:57,856 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2021-11-20 07:18:57,856 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013232770] [2021-11-20 07:18:57,856 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 07:18:57,857 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 07:18:57,857 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 07:18:57,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 07:18:57,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-20 07:18:57,859 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 07:19:01,047 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 07:19:03,284 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 07:19:05,462 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 07:19:05,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:19:05,464 INFO L93 Difference]: Finished difference Result 39 states and 40 transitions. [2021-11-20 07:19:05,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:19:05,521 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 07:19:05,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:19:05,522 INFO L225 Difference]: With dead ends: 39 [2021-11-20 07:19:05,522 INFO L226 Difference]: Without dead ends: 25 [2021-11-20 07:19:05,523 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-11-20 07:19:05,524 INFO L933 BasicCegarLoop]: 23 mSDtfsCounter, 24 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s 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, 7.3s IncrementalHoareTripleChecker+Time [2021-11-20 07:19:05,525 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [25 Valid, 80 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 3 Unknown, 0 Unchecked, 7.3s Time] [2021-11-20 07:19:05,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2021-11-20 07:19:05,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2021-11-20 07:19:05,528 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 07:19:05,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 24 transitions. [2021-11-20 07:19:05,529 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 24 transitions. Word has length 22 [2021-11-20 07:19:05,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:19:05,530 INFO L470 AbstractCegarLoop]: Abstraction has 25 states and 24 transitions. [2021-11-20 07:19:05,530 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 07:19:05,530 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 24 transitions. [2021-11-20 07:19:05,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-20 07:19:05,531 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:19:05,531 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 07:19:05,606 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39322f50-8349-44a2-bdac-1726829c9e87/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-20 07:19:05,759 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39322f50-8349-44a2-bdac-1726829c9e87/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 07:19:05,759 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:19:05,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:19:05,760 INFO L85 PathProgramCache]: Analyzing trace with hash -1043993930, now seen corresponding path program 1 times [2021-11-20 07:19:05,761 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 07:19:05,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [114960887] [2021-11-20 07:19:05,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:19:05,762 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 07:19:05,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39322f50-8349-44a2-bdac-1726829c9e87/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 07:19:05,766 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39322f50-8349-44a2-bdac-1726829c9e87/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 07:19:05,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39322f50-8349-44a2-bdac-1726829c9e87/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-20 07:19:07,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:19:08,090 INFO L263 TraceCheckSpWp]: Trace formula consists of 392 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-20 07:19:08,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:19:08,939 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 07:19:08,939 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 07:19:11,520 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 07:19:11,520 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 07:19:11,520 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [114960887] [2021-11-20 07:19:11,521 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [114960887] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 07:19:11,521 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:19:11,521 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12, 12] imperfect sequences [] total 20 [2021-11-20 07:19:11,521 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052265425] [2021-11-20 07:19:11,522 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 07:19:11,522 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-11-20 07:19:11,523 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 07:19:11,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-11-20 07:19:11,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=335, Unknown=0, NotChecked=0, Total=380 [2021-11-20 07:19:11,524 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 07:19:12,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:19:12,685 INFO L93 Difference]: Finished difference Result 25 states and 24 transitions. [2021-11-20 07:19:12,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-20 07:19:12,686 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 07:19:12,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:19:12,687 INFO L225 Difference]: With dead ends: 25 [2021-11-20 07:19:12,687 INFO L226 Difference]: Without dead ends: 0 [2021-11-20 07:19:12,688 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 27 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=108, Invalid=542, Unknown=0, NotChecked=0, Total=650 [2021-11-20 07:19:12,690 INFO L933 BasicCegarLoop]: 12 mSDtfsCounter, 25 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 57 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-20 07:19:12,691 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 07:19:12,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-20 07:19:12,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-20 07:19:12,693 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 07:19:12,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-20 07:19:12,694 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2021-11-20 07:19:12,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:19:12,694 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 07:19:12,695 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 07:19:12,695 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-20 07:19:12,695 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-20 07:19:12,699 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-20 07:19:12,780 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39322f50-8349-44a2-bdac-1726829c9e87/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-20 07:19:12,930 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39322f50-8349-44a2-bdac-1726829c9e87/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 07:19:12,933 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-20 07:19:13,568 INFO L858 garLoopResultBuilder]: For program point L562-1(lines 562 566) no Hoare annotation was computed. [2021-11-20 07:19:13,570 INFO L861 garLoopResultBuilder]: At program point L562-2(lines 562 566) the Hoare annotation is: true [2021-11-20 07:19:13,570 INFO L858 garLoopResultBuilder]: For program point L562-3(lines 559 567) no Hoare annotation was computed. [2021-11-20 07:19:13,571 INFO L858 garLoopResultBuilder]: For program point L556(lines 556 571) no Hoare annotation was computed. [2021-11-20 07:19:13,571 INFO L858 garLoopResultBuilder]: For program point L548(lines 548 551) no Hoare annotation was computed. [2021-11-20 07:19:13,572 INFO L858 garLoopResultBuilder]: For program point L548-2(lines 548 551) no Hoare annotation was computed. [2021-11-20 07:19:13,572 INFO L861 garLoopResultBuilder]: At program point __kernel_cosfENTRY(lines 539 572) the Hoare annotation is: true [2021-11-20 07:19:13,573 INFO L858 garLoopResultBuilder]: For program point L542-1(lines 542 546) no Hoare annotation was computed. [2021-11-20 07:19:13,573 INFO L861 garLoopResultBuilder]: At program point L542-2(lines 542 546) the Hoare annotation is: true [2021-11-20 07:19:13,573 INFO L858 garLoopResultBuilder]: For program point L542-3(lines 542 546) no Hoare annotation was computed. [2021-11-20 07:19:13,574 INFO L858 garLoopResultBuilder]: For program point __kernel_cosfFINAL(lines 539 572) no Hoare annotation was computed. [2021-11-20 07:19:13,574 INFO L858 garLoopResultBuilder]: For program point L559(lines 559 567) no Hoare annotation was computed. [2021-11-20 07:19:13,582 INFO L858 garLoopResultBuilder]: For program point L549(lines 549 550) no Hoare annotation was computed. [2021-11-20 07:19:13,582 INFO L858 garLoopResultBuilder]: For program point __kernel_cosfEXIT(lines 539 572) no Hoare annotation was computed. [2021-11-20 07:19:13,582 INFO L858 garLoopResultBuilder]: For program point copysign_floatEXIT(lines 70 88) no Hoare annotation was computed. [2021-11-20 07:19:13,582 INFO L858 garLoopResultBuilder]: For program point L77(lines 77 81) no Hoare annotation was computed. [2021-11-20 07:19:13,582 INFO L858 garLoopResultBuilder]: For program point L77-1(lines 70 88) no Hoare annotation was computed. [2021-11-20 07:19:13,582 INFO L861 garLoopResultBuilder]: At program point copysign_floatENTRY(lines 70 88) the Hoare annotation is: true [2021-11-20 07:19:13,582 INFO L858 garLoopResultBuilder]: For program point L82(lines 82 86) no Hoare annotation was computed. [2021-11-20 07:19:13,583 INFO L858 garLoopResultBuilder]: For program point L82-1(lines 70 88) no Hoare annotation was computed. [2021-11-20 07:19:13,583 INFO L858 garLoopResultBuilder]: For program point L82-2(lines 82 86) no Hoare annotation was computed. [2021-11-20 07:19:13,583 INFO L858 garLoopResultBuilder]: For program point L72-1(lines 72 76) no Hoare annotation was computed. [2021-11-20 07:19:13,583 INFO L861 garLoopResultBuilder]: At program point L72-2(lines 72 76) the Hoare annotation is: true [2021-11-20 07:19:13,583 INFO L858 garLoopResultBuilder]: For program point copysign_floatFINAL(lines 70 88) no Hoare annotation was computed. [2021-11-20 07:19:13,583 INFO L858 garLoopResultBuilder]: For program point __kernel_sinfEXIT(lines 512 532) no Hoare annotation was computed. [2021-11-20 07:19:13,583 INFO L858 garLoopResultBuilder]: For program point L521(lines 521 524) no Hoare annotation was computed. [2021-11-20 07:19:13,583 INFO L858 garLoopResultBuilder]: For program point L521-2(lines 521 524) no Hoare annotation was computed. [2021-11-20 07:19:13,583 INFO L858 garLoopResultBuilder]: For program point L515-1(lines 515 519) no Hoare annotation was computed. [2021-11-20 07:19:13,583 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 07:19:13,584 INFO L858 garLoopResultBuilder]: For program point L515-3(lines 515 519) no Hoare annotation was computed. [2021-11-20 07:19:13,584 INFO L861 garLoopResultBuilder]: At program point __kernel_sinfENTRY(lines 512 532) the Hoare annotation is: true [2021-11-20 07:19:13,584 INFO L858 garLoopResultBuilder]: For program point L528(lines 528 531) no Hoare annotation was computed. [2021-11-20 07:19:13,584 INFO L858 garLoopResultBuilder]: For program point L522(lines 522 523) no Hoare annotation was computed. [2021-11-20 07:19:13,584 INFO L858 garLoopResultBuilder]: For program point __kernel_sinfFINAL(lines 512 532) no Hoare annotation was computed. [2021-11-20 07:19:13,584 INFO L858 garLoopResultBuilder]: For program point L300-2(lines 300 304) no Hoare annotation was computed. [2021-11-20 07:19:13,584 INFO L854 garLoopResultBuilder]: At program point L300-3(lines 300 304) the Hoare annotation is: false [2021-11-20 07:19:13,584 INFO L858 garLoopResultBuilder]: For program point L300-4(lines 300 304) no Hoare annotation was computed. [2021-11-20 07:19:13,584 INFO L858 garLoopResultBuilder]: For program point L36(lines 36 37) no Hoare annotation was computed. [2021-11-20 07:19:13,585 INFO L858 garLoopResultBuilder]: For program point L598(lines 598 613) no Hoare annotation was computed. [2021-11-20 07:19:13,585 INFO L858 garLoopResultBuilder]: For program point L499(lines 499 503) no Hoare annotation was computed. [2021-11-20 07:19:13,585 INFO L858 garLoopResultBuilder]: For program point L301-2(lines 301 302) no Hoare annotation was computed. [2021-11-20 07:19:13,585 INFO L854 garLoopResultBuilder]: At program point L301-3(lines 301 302) the Hoare annotation is: false [2021-11-20 07:19:13,585 INFO L858 garLoopResultBuilder]: For program point L301-4(lines 301 302) no Hoare annotation was computed. [2021-11-20 07:19:13,585 INFO L858 garLoopResultBuilder]: For program point L401(lines 401 405) no Hoare annotation was computed. [2021-11-20 07:19:13,585 INFO L858 garLoopResultBuilder]: For program point L335-2(lines 335 336) no Hoare annotation was computed. [2021-11-20 07:19:13,585 INFO L854 garLoopResultBuilder]: At program point L335-3(lines 335 336) the Hoare annotation is: false [2021-11-20 07:19:13,585 INFO L858 garLoopResultBuilder]: For program point L335-4(lines 306 346) no Hoare annotation was computed. [2021-11-20 07:19:13,586 INFO L858 garLoopResultBuilder]: For program point L38(lines 38 42) no Hoare annotation was computed. [2021-11-20 07:19:13,586 INFO L861 garLoopResultBuilder]: At program point L633(lines 616 634) the Hoare annotation is: true [2021-11-20 07:19:13,586 INFO L858 garLoopResultBuilder]: For program point L39(lines 39 40) no Hoare annotation was computed. [2021-11-20 07:19:13,586 INFO L858 garLoopResultBuilder]: For program point L39-2(lines 39 40) no Hoare annotation was computed. [2021-11-20 07:19:13,586 INFO L854 garLoopResultBuilder]: At program point L271(lines 178 348) the Hoare annotation is: false [2021-11-20 07:19:13,586 INFO L858 garLoopResultBuilder]: For program point L205-2(lines 205 209) no Hoare annotation was computed. [2021-11-20 07:19:13,586 INFO L854 garLoopResultBuilder]: At program point L205-3(lines 205 209) the Hoare annotation is: false [2021-11-20 07:19:13,586 INFO L854 garLoopResultBuilder]: At program point L205-4(lines 205 209) the Hoare annotation is: false [2021-11-20 07:19:13,586 INFO L858 garLoopResultBuilder]: For program point L437(line 437) no Hoare annotation was computed. [2021-11-20 07:19:13,587 INFO L858 garLoopResultBuilder]: For program point L437-2(lines 437 469) no Hoare annotation was computed. [2021-11-20 07:19:13,587 INFO L858 garLoopResultBuilder]: For program point L239-1(lines 226 254) no Hoare annotation was computed. [2021-11-20 07:19:13,587 INFO L858 garLoopResultBuilder]: For program point L603(lines 603 612) no Hoare annotation was computed. [2021-11-20 07:19:13,587 INFO L854 garLoopResultBuilder]: At program point L504(lines 389 505) the Hoare annotation is: false [2021-11-20 07:19:13,587 INFO L858 garLoopResultBuilder]: For program point L471(lines 471 476) no Hoare annotation was computed. [2021-11-20 07:19:13,587 INFO L854 garLoopResultBuilder]: At program point L306(lines 306 346) the Hoare annotation is: false [2021-11-20 07:19:13,587 INFO L854 garLoopResultBuilder]: At program point L240(lines 240 247) the Hoare annotation is: false [2021-11-20 07:19:13,587 INFO L858 garLoopResultBuilder]: For program point L604(line 604) no Hoare annotation was computed. [2021-11-20 07:19:13,587 INFO L858 garLoopResultBuilder]: For program point L406(lines 406 430) no Hoare annotation was computed. [2021-11-20 07:19:13,588 INFO L858 garLoopResultBuilder]: For program point L307(line 307) no Hoare annotation was computed. [2021-11-20 07:19:13,588 INFO L858 garLoopResultBuilder]: For program point L241(line 241) no Hoare annotation was computed. [2021-11-20 07:19:13,588 INFO L854 garLoopResultBuilder]: At program point L605(line 605) the Hoare annotation is: false [2021-11-20 07:19:13,588 INFO L858 garLoopResultBuilder]: For program point L605-1(line 605) no Hoare annotation was computed. [2021-11-20 07:19:13,588 INFO L858 garLoopResultBuilder]: For program point L407(lines 407 429) no Hoare annotation was computed. [2021-11-20 07:19:13,588 INFO L858 garLoopResultBuilder]: For program point L606(line 606) no Hoare annotation was computed. [2021-11-20 07:19:13,588 INFO L858 garLoopResultBuilder]: For program point L309-2(lines 309 310) no Hoare annotation was computed. [2021-11-20 07:19:13,588 INFO L854 garLoopResultBuilder]: At program point L309-3(lines 309 310) the Hoare annotation is: false [2021-11-20 07:19:13,588 INFO L858 garLoopResultBuilder]: For program point L309-4(lines 306 346) no Hoare annotation was computed. [2021-11-20 07:19:13,588 INFO L858 garLoopResultBuilder]: For program point L45(lines 45 48) no Hoare annotation was computed. [2021-11-20 07:19:13,589 INFO L854 garLoopResultBuilder]: At program point L607(line 607) the Hoare annotation is: false [2021-11-20 07:19:13,589 INFO L858 garLoopResultBuilder]: For program point L607-1(line 607) no Hoare annotation was computed. [2021-11-20 07:19:13,589 INFO L858 garLoopResultBuilder]: For program point L409(lines 409 416) no Hoare annotation was computed. [2021-11-20 07:19:13,589 INFO L858 garLoopResultBuilder]: For program point L409-2(lines 409 416) no Hoare annotation was computed. [2021-11-20 07:19:13,589 INFO L858 garLoopResultBuilder]: For program point L244(line 244) no Hoare annotation was computed. [2021-11-20 07:19:13,589 INFO L858 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-11-20 07:19:13,589 INFO L858 garLoopResultBuilder]: For program point L608(line 608) no Hoare annotation was computed. [2021-11-20 07:19:13,589 INFO L858 garLoopResultBuilder]: For program point L443-1(lines 443 447) no Hoare annotation was computed. [2021-11-20 07:19:13,589 INFO L854 garLoopResultBuilder]: At program point L443-2(lines 443 447) the Hoare annotation is: false [2021-11-20 07:19:13,590 INFO L858 garLoopResultBuilder]: For program point L443-3(lines 443 447) no Hoare annotation was computed. [2021-11-20 07:19:13,590 INFO L858 garLoopResultBuilder]: For program point L311-1(line 311) no Hoare annotation was computed. [2021-11-20 07:19:13,590 INFO L858 garLoopResultBuilder]: For program point L278-1(lines 278 281) no Hoare annotation was computed. [2021-11-20 07:19:13,590 INFO L854 garLoopResultBuilder]: At program point L278-3(lines 278 281) the Hoare annotation is: false [2021-11-20 07:19:13,590 INFO L854 garLoopResultBuilder]: At program point L609(line 609) the Hoare annotation is: false [2021-11-20 07:19:13,590 INFO L858 garLoopResultBuilder]: For program point L609-1(line 609) no Hoare annotation was computed. [2021-11-20 07:19:13,590 INFO L858 garLoopResultBuilder]: For program point L610(line 610) no Hoare annotation was computed. [2021-11-20 07:19:13,598 INFO L858 garLoopResultBuilder]: For program point L313(line 313) no Hoare annotation was computed. [2021-11-20 07:19:13,599 INFO L858 garLoopResultBuilder]: For program point L313-2(line 313) no Hoare annotation was computed. [2021-11-20 07:19:13,600 INFO L858 garLoopResultBuilder]: For program point L148-1(lines 148 152) no Hoare annotation was computed. [2021-11-20 07:19:13,600 INFO L854 garLoopResultBuilder]: At program point L148-2(lines 148 152) the Hoare annotation is: false [2021-11-20 07:19:13,601 INFO L854 garLoopResultBuilder]: At program point L611(line 611) the Hoare annotation is: false [2021-11-20 07:19:13,601 INFO L858 garLoopResultBuilder]: For program point L611-1(line 611) no Hoare annotation was computed. [2021-11-20 07:19:13,601 INFO L858 garLoopResultBuilder]: For program point L479(lines 479 482) no Hoare annotation was computed. [2021-11-20 07:19:13,601 INFO L854 garLoopResultBuilder]: At program point L347(lines 177 348) the Hoare annotation is: false [2021-11-20 07:19:13,601 INFO L858 garLoopResultBuilder]: For program point L314(line 314) no Hoare annotation was computed. [2021-11-20 07:19:13,602 INFO L858 garLoopResultBuilder]: For program point L50(lines 50 54) no Hoare annotation was computed. [2021-11-20 07:19:13,602 INFO L858 garLoopResultBuilder]: For program point L50-1(lines 15 56) no Hoare annotation was computed. [2021-11-20 07:19:13,602 INFO L858 garLoopResultBuilder]: For program point L50-2(lines 50 54) no Hoare annotation was computed. [2021-11-20 07:19:13,602 INFO L858 garLoopResultBuilder]: For program point L216(lines 216 224) no Hoare annotation was computed. [2021-11-20 07:19:13,602 INFO L858 garLoopResultBuilder]: For program point L18-1(lines 18 22) no Hoare annotation was computed. [2021-11-20 07:19:13,603 INFO L854 garLoopResultBuilder]: At program point L18-2(lines 18 22) the Hoare annotation is: false [2021-11-20 07:19:13,603 INFO L858 garLoopResultBuilder]: For program point L18-3(lines 18 22) no Hoare annotation was computed. [2021-11-20 07:19:13,604 INFO L854 garLoopResultBuilder]: At program point L283(line 283) the Hoare annotation is: false [2021-11-20 07:19:13,604 INFO L858 garLoopResultBuilder]: For program point L283-1(line 283) no Hoare annotation was computed. [2021-11-20 07:19:13,604 INFO L858 garLoopResultBuilder]: For program point L316-2(lines 316 317) no Hoare annotation was computed. [2021-11-20 07:19:13,604 INFO L854 garLoopResultBuilder]: At program point L316-3(lines 316 317) the Hoare annotation is: false [2021-11-20 07:19:13,605 INFO L858 garLoopResultBuilder]: For program point L316-4(lines 306 346) no Hoare annotation was computed. [2021-11-20 07:19:13,605 INFO L858 garLoopResultBuilder]: For program point L449(lines 449 468) no Hoare annotation was computed. [2021-11-20 07:19:13,605 INFO L858 garLoopResultBuilder]: For program point L449-1(lines 437 469) no Hoare annotation was computed. [2021-11-20 07:19:13,605 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-20 07:19:13,606 INFO L858 garLoopResultBuilder]: For program point L284(lines 284 291) no Hoare annotation was computed. [2021-11-20 07:19:13,606 INFO L858 garLoopResultBuilder]: For program point L251(lines 251 252) no Hoare annotation was computed. [2021-11-20 07:19:13,606 INFO L854 garLoopResultBuilder]: At program point L284-2(lines 275 292) the Hoare annotation is: false [2021-11-20 07:19:13,606 INFO L858 garLoopResultBuilder]: For program point L318-1(line 318) no Hoare annotation was computed. [2021-11-20 07:19:13,606 INFO L854 garLoopResultBuilder]: At program point L252(line 252) the Hoare annotation is: false [2021-11-20 07:19:13,607 INFO L858 garLoopResultBuilder]: For program point L252-1(line 252) no Hoare annotation was computed. [2021-11-20 07:19:13,607 INFO L858 garLoopResultBuilder]: For program point L153(lines 153 157) no Hoare annotation was computed. [2021-11-20 07:19:13,608 INFO L858 garLoopResultBuilder]: For program point L153-1(lines 146 159) no Hoare annotation was computed. [2021-11-20 07:19:13,608 INFO L858 garLoopResultBuilder]: For program point L153-2(lines 153 157) no Hoare annotation was computed. [2021-11-20 07:19:13,608 INFO L858 garLoopResultBuilder]: For program point L187(lines 187 188) no Hoare annotation was computed. [2021-11-20 07:19:13,608 INFO L858 garLoopResultBuilder]: For program point L187-2(lines 187 188) no Hoare annotation was computed. [2021-11-20 07:19:13,609 INFO L854 garLoopResultBuilder]: At program point L55(lines 15 56) the Hoare annotation is: false [2021-11-20 07:19:13,609 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 07:19:13,609 INFO L858 garLoopResultBuilder]: For program point L485-1(lines 485 489) no Hoare annotation was computed. [2021-11-20 07:19:13,609 INFO L854 garLoopResultBuilder]: At program point L485-2(lines 485 489) the Hoare annotation is: false [2021-11-20 07:19:13,610 INFO L858 garLoopResultBuilder]: For program point L485-3(lines 485 489) no Hoare annotation was computed. [2021-11-20 07:19:13,610 INFO L858 garLoopResultBuilder]: For program point L320-2(lines 320 321) no Hoare annotation was computed. [2021-11-20 07:19:13,610 INFO L858 garLoopResultBuilder]: For program point L221(lines 221 224) no Hoare annotation was computed. [2021-11-20 07:19:13,610 INFO L854 garLoopResultBuilder]: At program point L320-3(lines 320 321) the Hoare annotation is: false [2021-11-20 07:19:13,610 INFO L858 garLoopResultBuilder]: For program point L320-4(lines 306 346) no Hoare annotation was computed. [2021-11-20 07:19:13,611 INFO L858 garLoopResultBuilder]: For program point L420(lines 420 427) no Hoare annotation was computed. [2021-11-20 07:19:13,611 INFO L858 garLoopResultBuilder]: For program point L420-2(lines 420 427) no Hoare annotation was computed. [2021-11-20 07:19:13,612 INFO L858 garLoopResultBuilder]: For program point L322-1(line 322) no Hoare annotation was computed. [2021-11-20 07:19:13,612 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-20 07:19:13,614 INFO L858 garLoopResultBuilder]: For program point L223(lines 223 224) no Hoare annotation was computed. [2021-11-20 07:19:13,614 INFO L858 garLoopResultBuilder]: For program point L256-1(lines 178 348) no Hoare annotation was computed. [2021-11-20 07:19:13,614 INFO L858 garLoopResultBuilder]: For program point L223-2(lines 178 348) no Hoare annotation was computed. [2021-11-20 07:19:13,615 INFO L858 garLoopResultBuilder]: For program point L25(lines 25 49) no Hoare annotation was computed. [2021-11-20 07:19:13,615 INFO L858 garLoopResultBuilder]: For program point L455-1(lines 455 459) no Hoare annotation was computed. [2021-11-20 07:19:13,615 INFO L854 garLoopResultBuilder]: At program point L455-2(lines 455 459) the Hoare annotation is: false [2021-11-20 07:19:13,615 INFO L858 garLoopResultBuilder]: For program point L455-3(lines 455 459) no Hoare annotation was computed. [2021-11-20 07:19:13,615 INFO L854 garLoopResultBuilder]: At program point L158(lines 146 159) the Hoare annotation is: false [2021-11-20 07:19:13,616 INFO L858 garLoopResultBuilder]: For program point L26(lines 26 43) no Hoare annotation was computed. [2021-11-20 07:19:13,616 INFO L858 garLoopResultBuilder]: For program point L588-1(lines 588 592) no Hoare annotation was computed. [2021-11-20 07:19:13,616 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 07:19:13,616 INFO L858 garLoopResultBuilder]: For program point L588-3(lines 588 592) no Hoare annotation was computed. [2021-11-20 07:19:13,616 INFO L858 garLoopResultBuilder]: For program point L324(line 324) no Hoare annotation was computed. [2021-11-20 07:19:13,617 INFO L858 garLoopResultBuilder]: For program point L258-2(lines 258 259) no Hoare annotation was computed. [2021-11-20 07:19:13,617 INFO L854 garLoopResultBuilder]: At program point L258-3(lines 258 259) the Hoare annotation is: false [2021-11-20 07:19:13,617 INFO L858 garLoopResultBuilder]: For program point L258-4(lines 256 273) no Hoare annotation was computed. [2021-11-20 07:19:13,617 INFO L858 garLoopResultBuilder]: For program point L27(lines 27 33) no Hoare annotation was computed. [2021-11-20 07:19:13,617 INFO L858 garLoopResultBuilder]: For program point L490-2(lines 490 493) no Hoare annotation was computed. [2021-11-20 07:19:13,618 INFO L854 garLoopResultBuilder]: At program point L490-3(lines 490 493) the Hoare annotation is: false [2021-11-20 07:19:13,618 INFO L858 garLoopResultBuilder]: For program point L490-4(lines 490 493) no Hoare annotation was computed. [2021-11-20 07:19:13,618 INFO L858 garLoopResultBuilder]: For program point L325-2(lines 325 329) no Hoare annotation was computed. [2021-11-20 07:19:13,619 INFO L858 garLoopResultBuilder]: For program point L226(lines 178 348) no Hoare annotation was computed. [2021-11-20 07:19:13,619 INFO L854 garLoopResultBuilder]: At program point L325-3(lines 325 329) the Hoare annotation is: false [2021-11-20 07:19:13,619 INFO L858 garLoopResultBuilder]: For program point L325-4(lines 325 329) no Hoare annotation was computed. [2021-11-20 07:19:13,619 INFO L858 garLoopResultBuilder]: For program point L193-2(lines 193 194) no Hoare annotation was computed. [2021-11-20 07:19:13,619 INFO L854 garLoopResultBuilder]: At program point L193-3(lines 193 194) the Hoare annotation is: false [2021-11-20 07:19:13,620 INFO L858 garLoopResultBuilder]: For program point L193-4(lines 193 194) no Hoare annotation was computed. [2021-11-20 07:19:13,620 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-20 07:19:13,620 INFO L858 garLoopResultBuilder]: For program point L28(lines 28 32) no Hoare annotation was computed. [2021-11-20 07:19:13,621 INFO L858 garLoopResultBuilder]: For program point L61-1(lines 61 65) no Hoare annotation was computed. [2021-11-20 07:19:13,621 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 07:19:13,622 INFO L858 garLoopResultBuilder]: For program point L61-3(lines 61 65) no Hoare annotation was computed. [2021-11-20 07:19:13,623 INFO L858 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2021-11-20 07:19:13,623 INFO L858 garLoopResultBuilder]: For program point L194-2(line 194) no Hoare annotation was computed. [2021-11-20 07:19:13,623 INFO L858 garLoopResultBuilder]: For program point L294(line 294) no Hoare annotation was computed. [2021-11-20 07:19:13,623 INFO L858 garLoopResultBuilder]: For program point L261-1(lines 261 262) no Hoare annotation was computed. [2021-11-20 07:19:13,623 INFO L858 garLoopResultBuilder]: For program point L261-3(lines 261 262) no Hoare annotation was computed. [2021-11-20 07:19:13,624 INFO L854 garLoopResultBuilder]: At program point L261-4(lines 261 262) the Hoare annotation is: false [2021-11-20 07:19:13,624 INFO L858 garLoopResultBuilder]: For program point L261-5(lines 261 262) no Hoare annotation was computed. [2021-11-20 07:19:13,624 INFO L858 garLoopResultBuilder]: For program point L30(lines 30 32) no Hoare annotation was computed. [2021-11-20 07:19:13,624 INFO L858 garLoopResultBuilder]: For program point L295-2(lines 295 298) no Hoare annotation was computed. [2021-11-20 07:19:13,625 INFO L854 garLoopResultBuilder]: At program point L295-3(lines 295 298) the Hoare annotation is: false [2021-11-20 07:19:13,625 INFO L858 garLoopResultBuilder]: For program point L229-2(lines 229 238) no Hoare annotation was computed. [2021-11-20 07:19:13,625 INFO L858 garLoopResultBuilder]: For program point L295-4(lines 295 298) no Hoare annotation was computed. [2021-11-20 07:19:13,625 INFO L858 garLoopResultBuilder]: For program point L196-2(lines 196 200) no Hoare annotation was computed. [2021-11-20 07:19:13,625 INFO L854 garLoopResultBuilder]: At program point L229-3(lines 229 238) the Hoare annotation is: false [2021-11-20 07:19:13,626 INFO L854 garLoopResultBuilder]: At program point L196-3(lines 196 200) the Hoare annotation is: false [2021-11-20 07:19:13,626 INFO L858 garLoopResultBuilder]: For program point L229-4(lines 226 254) no Hoare annotation was computed. [2021-11-20 07:19:13,626 INFO L858 garLoopResultBuilder]: For program point L196-4(lines 196 200) no Hoare annotation was computed. [2021-11-20 07:19:13,626 INFO L858 garLoopResultBuilder]: For program point L461(lines 461 467) no Hoare annotation was computed. [2021-11-20 07:19:13,626 INFO L858 garLoopResultBuilder]: For program point L395-1(lines 395 399) no Hoare annotation was computed. [2021-11-20 07:19:13,627 INFO L854 garLoopResultBuilder]: At program point L395-2(lines 395 399) the Hoare annotation is: false [2021-11-20 07:19:13,627 INFO L858 garLoopResultBuilder]: For program point L395-3(lines 395 399) no Hoare annotation was computed. [2021-11-20 07:19:13,628 INFO L858 garLoopResultBuilder]: For program point L197-2(lines 197 198) no Hoare annotation was computed. [2021-11-20 07:19:13,628 INFO L854 garLoopResultBuilder]: At program point L197-3(lines 197 198) the Hoare annotation is: false [2021-11-20 07:19:13,629 INFO L858 garLoopResultBuilder]: For program point L197-4(lines 197 198) no Hoare annotation was computed. [2021-11-20 07:19:13,629 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-20 07:19:13,629 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 629) no Hoare annotation was computed. [2021-11-20 07:19:13,629 INFO L858 garLoopResultBuilder]: For program point L330-2(lines 330 334) no Hoare annotation was computed. [2021-11-20 07:19:13,629 INFO L858 garLoopResultBuilder]: For program point L231(lines 231 237) no Hoare annotation was computed. [2021-11-20 07:19:13,630 INFO L854 garLoopResultBuilder]: At program point L330-3(lines 330 334) the Hoare annotation is: false [2021-11-20 07:19:13,630 INFO L858 garLoopResultBuilder]: For program point L264-2(lines 264 269) no Hoare annotation was computed. [2021-11-20 07:19:13,633 INFO L858 garLoopResultBuilder]: For program point L330-4(lines 330 334) no Hoare annotation was computed. [2021-11-20 07:19:13,633 INFO L854 garLoopResultBuilder]: At program point L264-3(lines 264 269) the Hoare annotation is: false [2021-11-20 07:19:13,634 INFO L858 garLoopResultBuilder]: For program point L264-4(lines 264 269) no Hoare annotation was computed. [2021-11-20 07:19:13,634 INFO L858 garLoopResultBuilder]: For program point L628(line 628) no Hoare annotation was computed. [2021-11-20 07:19:13,634 INFO L858 garLoopResultBuilder]: For program point L595(lines 595 613) no Hoare annotation was computed. [2021-11-20 07:19:13,634 INFO L858 garLoopResultBuilder]: For program point L628-2(lines 628 631) no Hoare annotation was computed. [2021-11-20 07:19:13,634 INFO L858 garLoopResultBuilder]: For program point L496-1(lines 496 497) no Hoare annotation was computed. [2021-11-20 07:19:13,635 INFO L854 garLoopResultBuilder]: At program point L496-3(lines 496 497) the Hoare annotation is: false [2021-11-20 07:19:13,635 INFO L858 garLoopResultBuilder]: For program point L496-4(lines 496 497) no Hoare annotation was computed. [2021-11-20 07:19:13,635 INFO L858 garLoopResultBuilder]: For program point L232(lines 232 235) no Hoare annotation was computed. [2021-11-20 07:19:13,635 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 07:19:13,635 INFO L858 garLoopResultBuilder]: For program point L629(line 629) no Hoare annotation was computed. [2021-11-20 07:19:13,636 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 07:19:13,636 INFO L858 garLoopResultBuilder]: For program point L596-1(line 596) no Hoare annotation was computed. [2021-11-20 07:19:13,636 INFO L858 garLoopResultBuilder]: For program point L431(lines 431 477) no Hoare annotation was computed. [2021-11-20 07:19:13,636 INFO L858 garLoopResultBuilder]: For program point L266-2(lines 266 267) no Hoare annotation was computed. [2021-11-20 07:19:13,636 INFO L854 garLoopResultBuilder]: At program point L266-3(lines 266 267) the Hoare annotation is: false [2021-11-20 07:19:13,637 INFO L858 garLoopResultBuilder]: For program point L266-4(lines 266 267) no Hoare annotation was computed. [2021-11-20 07:19:13,637 INFO L861 garLoopResultBuilder]: At program point L122(line 122) the Hoare annotation is: true [2021-11-20 07:19:13,637 INFO L858 garLoopResultBuilder]: For program point L122-1(line 122) no Hoare annotation was computed. [2021-11-20 07:19:13,637 INFO L861 garLoopResultBuilder]: At program point L135(line 135) the Hoare annotation is: true [2021-11-20 07:19:13,637 INFO L858 garLoopResultBuilder]: For program point L135-1(line 135) no Hoare annotation was computed. [2021-11-20 07:19:13,638 INFO L858 garLoopResultBuilder]: For program point L131(lines 131 136) no Hoare annotation was computed. [2021-11-20 07:19:13,638 INFO L858 garLoopResultBuilder]: For program point L98-1(lines 98 102) no Hoare annotation was computed. [2021-11-20 07:19:13,638 INFO L861 garLoopResultBuilder]: At program point L98-2(lines 98 102) the Hoare annotation is: true [2021-11-20 07:19:13,638 INFO L858 garLoopResultBuilder]: For program point L98-3(lines 98 102) no Hoare annotation was computed. [2021-11-20 07:19:13,638 INFO L858 garLoopResultBuilder]: For program point L123(lines 123 130) no Hoare annotation was computed. [2021-11-20 07:19:13,639 INFO L858 garLoopResultBuilder]: For program point L111-1(lines 111 115) no Hoare annotation was computed. [2021-11-20 07:19:13,639 INFO L861 garLoopResultBuilder]: At program point L111-2(lines 111 115) the Hoare annotation is: true [2021-11-20 07:19:13,639 INFO L858 garLoopResultBuilder]: For program point scalbn_floatFINAL(lines 94 144) no Hoare annotation was computed. [2021-11-20 07:19:13,639 INFO L858 garLoopResultBuilder]: For program point L111-3(lines 111 115) no Hoare annotation was computed. [2021-11-20 07:19:13,639 INFO L858 garLoopResultBuilder]: For program point L107(lines 107 108) no Hoare annotation was computed. [2021-11-20 07:19:13,640 INFO L858 garLoopResultBuilder]: For program point L132(lines 132 135) no Hoare annotation was computed. [2021-11-20 07:19:13,640 INFO L858 garLoopResultBuilder]: For program point L124-1(lines 124 128) no Hoare annotation was computed. [2021-11-20 07:19:13,640 INFO L861 garLoopResultBuilder]: At program point L124-2(lines 124 128) the Hoare annotation is: true [2021-11-20 07:19:13,640 INFO L858 garLoopResultBuilder]: For program point L124-3(lines 124 128) no Hoare annotation was computed. [2021-11-20 07:19:13,640 INFO L858 garLoopResultBuilder]: For program point scalbn_floatEXIT(lines 94 144) no Hoare annotation was computed. [2021-11-20 07:19:13,640 INFO L861 garLoopResultBuilder]: At program point scalbn_floatENTRY(lines 94 144) the Hoare annotation is: true [2021-11-20 07:19:13,641 INFO L861 garLoopResultBuilder]: At program point L133(line 133) the Hoare annotation is: true [2021-11-20 07:19:13,641 INFO L858 garLoopResultBuilder]: For program point L133-1(line 133) no Hoare annotation was computed. [2021-11-20 07:19:13,641 INFO L858 garLoopResultBuilder]: For program point L121(lines 121 122) no Hoare annotation was computed. [2021-11-20 07:19:13,641 INFO L858 garLoopResultBuilder]: For program point L117(lines 117 118) no Hoare annotation was computed. [2021-11-20 07:19:13,641 INFO L858 garLoopResultBuilder]: For program point L109(lines 109 119) no Hoare annotation was computed. [2021-11-20 07:19:13,642 INFO L858 garLoopResultBuilder]: For program point L109-2(lines 109 119) no Hoare annotation was computed. [2021-11-20 07:19:13,642 INFO L858 garLoopResultBuilder]: For program point L105(lines 105 106) no Hoare annotation was computed. [2021-11-20 07:19:13,642 INFO L858 garLoopResultBuilder]: For program point L138-1(lines 138 142) no Hoare annotation was computed. [2021-11-20 07:19:13,642 INFO L861 garLoopResultBuilder]: At program point L138-2(lines 138 142) the Hoare annotation is: true [2021-11-20 07:19:13,642 INFO L858 garLoopResultBuilder]: For program point L138-3(lines 138 142) no Hoare annotation was computed. [2021-11-20 07:19:13,646 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2021-11-20 07:19:13,648 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-20 07:19:13,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 07:19:13 BoogieIcfgContainer [2021-11-20 07:19:13,673 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-20 07:19:13,673 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 07:19:13,674 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 07:19:13,674 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 07:19:13,675 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:18:18" (3/4) ... [2021-11-20 07:19:13,679 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-20 07:19:13,688 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __kernel_cosf [2021-11-20 07:19:13,689 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure copysign_float [2021-11-20 07:19:13,689 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __kernel_sinf [2021-11-20 07:19:13,690 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure scalbn_float [2021-11-20 07:19:13,714 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 80 nodes and edges [2021-11-20 07:19:13,717 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2021-11-20 07:19:13,720 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-20 07:19:13,723 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-20 07:19:13,764 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) [2021-11-20 07:19:13,764 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 07:19:13,765 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 07:19:13,766 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 07:19:14,106 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39322f50-8349-44a2-bdac-1726829c9e87/bin/uautomizer-DQz5hQGWxF/witness.graphml [2021-11-20 07:19:14,106 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 07:19:14,107 INFO L158 Benchmark]: Toolchain (without parser) took 93194.12ms. Allocated memory was 67.1MB in the beginning and 92.3MB in the end (delta: 25.2MB). Free memory was 43.0MB in the beginning and 42.1MB in the end (delta: 869.8kB). Peak memory consumption was 46.3MB. Max. memory is 16.1GB. [2021-11-20 07:19:14,108 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 52.4MB. Free memory was 31.9MB in the beginning and 31.9MB in the end (delta: 41.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 07:19:14,109 INFO L158 Benchmark]: CACSL2BoogieTranslator took 975.59ms. Allocated memory is still 67.1MB. Free memory was 42.8MB in the beginning and 45.9MB in the end (delta: -3.1MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. [2021-11-20 07:19:14,109 INFO L158 Benchmark]: Boogie Procedure Inliner took 207.97ms. Allocated memory is still 67.1MB. Free memory was 45.9MB in the beginning and 38.6MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-20 07:19:14,110 INFO L158 Benchmark]: Boogie Preprocessor took 233.68ms. Allocated memory is still 67.1MB. Free memory was 38.6MB in the beginning and 31.2MB in the end (delta: 7.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-20 07:19:14,110 INFO L158 Benchmark]: RCFGBuilder took 36150.84ms. Allocated memory was 67.1MB in the beginning and 92.3MB in the end (delta: 25.2MB). Free memory was 31.2MB in the beginning and 61.4MB in the end (delta: -30.2MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. [2021-11-20 07:19:14,111 INFO L158 Benchmark]: TraceAbstraction took 55182.15ms. Allocated memory is still 92.3MB. Free memory was 60.9MB in the beginning and 43.6MB in the end (delta: 17.3MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. [2021-11-20 07:19:14,111 INFO L158 Benchmark]: Witness Printer took 433.21ms. Allocated memory is still 92.3MB. Free memory was 43.6MB in the beginning and 42.1MB in the end (delta: 1.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-11-20 07:19:14,114 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 52.4MB. Free memory was 31.9MB in the beginning and 31.9MB in the end (delta: 41.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 975.59ms. Allocated memory is still 67.1MB. Free memory was 42.8MB in the beginning and 45.9MB in the end (delta: -3.1MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 207.97ms. Allocated memory is still 67.1MB. Free memory was 45.9MB in the beginning and 38.6MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 233.68ms. Allocated memory is still 67.1MB. Free memory was 38.6MB in the beginning and 31.2MB in the end (delta: 7.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 36150.84ms. Allocated memory was 67.1MB in the beginning and 92.3MB in the end (delta: 25.2MB). Free memory was 31.2MB in the beginning and 61.4MB in the end (delta: -30.2MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. * TraceAbstraction took 55182.15ms. Allocated memory is still 92.3MB. Free memory was 60.9MB in the beginning and 43.6MB in the end (delta: 17.3MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. * Witness Printer took 433.21ms. Allocated memory is still 92.3MB. Free memory was 43.6MB in the beginning and 42.1MB in the end (delta: 1.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - 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: 55.1s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 23.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 9 mSolverCounterUnknown, 125 SdHoareTripleChecker+Valid, 21.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 122 mSDsluCounter, 938 SdHoareTripleChecker+Invalid, 20.9s 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, 7.4s 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, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 14.3s SatisfiabilityAnalysisTime, 13.9s 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 07:19:14,318 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39322f50-8349-44a2-bdac-1726829c9e87/bin/uautomizer-DQz5hQGWxF/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