./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0470.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f660957-7795-4871-99cf-a7b2257f02ff/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f660957-7795-4871-99cf-a7b2257f02ff/bin/uautomizer-Z5i5R5N3CC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f660957-7795-4871-99cf-a7b2257f02ff/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f660957-7795-4871-99cf-a7b2257f02ff/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0470.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f660957-7795-4871-99cf-a7b2257f02ff/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f660957-7795-4871-99cf-a7b2257f02ff/bin/uautomizer-Z5i5R5N3CC --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 9ff7db1eeded42846704563d91b80b24f7e19034 ................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f660957-7795-4871-99cf-a7b2257f02ff/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f660957-7795-4871-99cf-a7b2257f02ff/bin/uautomizer-Z5i5R5N3CC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f660957-7795-4871-99cf-a7b2257f02ff/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f660957-7795-4871-99cf-a7b2257f02ff/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0470.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f660957-7795-4871-99cf-a7b2257f02ff/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f660957-7795-4871-99cf-a7b2257f02ff/bin/uautomizer-Z5i5R5N3CC --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 9ff7db1eeded42846704563d91b80b24f7e19034 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 00:22:12,801 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:22:12,803 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:22:12,844 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:22:12,845 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:22:12,850 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:22:12,852 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:22:12,856 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:22:12,858 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:22:12,864 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:22:12,865 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:22:12,866 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:22:12,866 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:22:12,869 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:22:12,870 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:22:12,873 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:22:12,874 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:22:12,877 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:22:12,880 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:22:12,888 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:22:12,890 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:22:12,891 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:22:12,894 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:22:12,895 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:22:12,904 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:22:12,904 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:22:12,904 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:22:12,906 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:22:12,907 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:22:12,908 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:22:12,908 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:22:12,909 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:22:12,911 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:22:12,912 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:22:12,913 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:22:12,914 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:22:12,914 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:22:12,915 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:22:12,915 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:22:12,916 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:22:12,916 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:22:12,918 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f660957-7795-4871-99cf-a7b2257f02ff/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-11 00:22:12,958 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:22:12,958 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:22:12,959 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:22:12,960 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:22:12,960 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:22:12,960 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:22:12,960 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:22:12,960 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:22:12,960 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:22:12,961 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:22:12,961 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:22:12,961 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:22:12,961 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:22:12,961 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:22:12,962 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:22:12,962 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:22:12,962 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:22:12,962 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:22:12,962 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:22:12,962 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:22:12,963 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:22:12,963 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:22:12,963 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:22:12,963 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:22:12,963 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:22:12,964 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:22:12,964 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:22:12,964 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:22:12,964 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_2f660957-7795-4871-99cf-a7b2257f02ff/bin/uautomizer-Z5i5R5N3CC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f660957-7795-4871-99cf-a7b2257f02ff/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9ff7db1eeded42846704563d91b80b24f7e19034 [2021-10-11 00:22:13,207 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:22:13,236 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:22:13,238 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:22:13,240 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:22:13,249 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:22:13,250 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f660957-7795-4871-99cf-a7b2257f02ff/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/float-newlib/double_req_bl_0470.c [2021-10-11 00:22:13,330 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f660957-7795-4871-99cf-a7b2257f02ff/bin/uautomizer-Z5i5R5N3CC/data/64be7d184/904432c9e5df4b1489ccaccbe0d95d83/FLAG2cbee5b09 [2021-10-11 00:22:13,772 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:22:13,772 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f660957-7795-4871-99cf-a7b2257f02ff/sv-benchmarks/c/float-newlib/double_req_bl_0470.c [2021-10-11 00:22:13,792 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f660957-7795-4871-99cf-a7b2257f02ff/bin/uautomizer-Z5i5R5N3CC/data/64be7d184/904432c9e5df4b1489ccaccbe0d95d83/FLAG2cbee5b09 [2021-10-11 00:22:14,154 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f660957-7795-4871-99cf-a7b2257f02ff/bin/uautomizer-Z5i5R5N3CC/data/64be7d184/904432c9e5df4b1489ccaccbe0d95d83 [2021-10-11 00:22:14,157 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:22:14,159 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:22:14,160 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:22:14,160 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:22:14,172 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:22:14,173 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:22:14" (1/1) ... [2021-10-11 00:22:14,175 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12f5b703 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:14, skipping insertion in model container [2021-10-11 00:22:14,175 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:22:14" (1/1) ... [2021-10-11 00:22:14,184 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:22:14,214 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:22:14,439 WARN L226 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_2f660957-7795-4871-99cf-a7b2257f02ff/sv-benchmarks/c/float-newlib/double_req_bl_0470.c[5751,5764] [2021-10-11 00:22:14,442 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:22:14,452 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:22:14,510 WARN L226 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_2f660957-7795-4871-99cf-a7b2257f02ff/sv-benchmarks/c/float-newlib/double_req_bl_0470.c[5751,5764] [2021-10-11 00:22:14,511 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:22:14,528 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:22:14,529 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:14 WrapperNode [2021-10-11 00:22:14,529 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:22:14,531 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:22:14,531 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:22:14,531 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:22:14,545 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:14" (1/1) ... [2021-10-11 00:22:14,559 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:14" (1/1) ... [2021-10-11 00:22:14,632 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:22:14,634 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:22:14,634 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:22:14,634 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:22:14,644 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:14" (1/1) ... [2021-10-11 00:22:14,644 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:14" (1/1) ... [2021-10-11 00:22:14,663 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:14" (1/1) ... [2021-10-11 00:22:14,668 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:14" (1/1) ... [2021-10-11 00:22:14,701 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:14" (1/1) ... [2021-10-11 00:22:14,721 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:14" (1/1) ... [2021-10-11 00:22:14,724 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:14" (1/1) ... [2021-10-11 00:22:14,740 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:22:14,741 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:22:14,742 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:22:14,742 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:22:14,745 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:14" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f660957-7795-4871-99cf-a7b2257f02ff/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:22:14,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:22:14,836 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:22:14,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-10-11 00:22:14,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-11 00:22:14,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-10-11 00:22:14,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:22:14,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:22:14,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-11 00:22:14,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-11 00:22:15,677 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:22:15,677 INFO L299 CfgBuilder]: Removed 34 assume(true) statements. [2021-10-11 00:22:15,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:22:15 BoogieIcfgContainer [2021-10-11 00:22:15,679 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:22:15,681 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:22:15,681 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:22:15,684 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:22:15,684 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:22:14" (1/3) ... [2021-10-11 00:22:15,685 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@651700a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:22:15, skipping insertion in model container [2021-10-11 00:22:15,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:14" (2/3) ... [2021-10-11 00:22:15,686 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@651700a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:22:15, skipping insertion in model container [2021-10-11 00:22:15,686 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:22:15" (3/3) ... [2021-10-11 00:22:15,687 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0470.c [2021-10-11 00:22:15,704 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:22:15,708 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-10-11 00:22:15,719 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-11 00:22:15,761 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:22:15,761 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:22:15,762 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:22:15,762 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:22:15,762 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:22:15,762 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:22:15,762 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:22:15,762 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:22:15,781 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states. [2021-10-11 00:22:15,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-11 00:22:15,785 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:22:15,786 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:22:15,786 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:22:15,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:22:15,792 INFO L82 PathProgramCache]: Analyzing trace with hash 2057048347, now seen corresponding path program 1 times [2021-10-11 00:22:15,800 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:22:15,800 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737983537] [2021-10-11 00:22:15,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:22:15,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:22:15,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:22:15,928 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737983537] [2021-10-11 00:22:15,929 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:22:15,929 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:22:15,930 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462116848] [2021-10-11 00:22:15,934 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 00:22:15,934 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:22:15,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 00:22:15,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:22:15,991 INFO L87 Difference]: Start difference. First operand 104 states. Second operand 2 states. [2021-10-11 00:22:16,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:22:16,067 INFO L93 Difference]: Finished difference Result 206 states and 342 transitions. [2021-10-11 00:22:16,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 00:22:16,069 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2021-10-11 00:22:16,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:22:16,091 INFO L225 Difference]: With dead ends: 206 [2021-10-11 00:22:16,092 INFO L226 Difference]: Without dead ends: 101 [2021-10-11 00:22:16,095 INFO L677 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 [2021-10-11 00:22:16,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2021-10-11 00:22:16,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2021-10-11 00:22:16,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2021-10-11 00:22:16,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 146 transitions. [2021-10-11 00:22:16,134 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 146 transitions. Word has length 11 [2021-10-11 00:22:16,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:22:16,134 INFO L481 AbstractCegarLoop]: Abstraction has 101 states and 146 transitions. [2021-10-11 00:22:16,134 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 00:22:16,134 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 146 transitions. [2021-10-11 00:22:16,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-11 00:22:16,135 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:22:16,136 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:22:16,136 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 00:22:16,136 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:22:16,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:22:16,137 INFO L82 PathProgramCache]: Analyzing trace with hash -1327291576, now seen corresponding path program 1 times [2021-10-11 00:22:16,137 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:22:16,138 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905834422] [2021-10-11 00:22:16,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:22:16,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:22:16,182 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:22:16,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:22:16,229 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:22:16,277 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:22:16,277 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-10-11 00:22:16,278 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 00:22:16,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:22:16 BoogieIcfgContainer [2021-10-11 00:22:16,347 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:22:16,348 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:22:16,348 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:22:16,348 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:22:16,349 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:22:15" (3/4) ... [2021-10-11 00:22:16,352 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-11 00:22:16,352 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:22:16,356 INFO L168 Benchmark]: Toolchain (without parser) took 2194.82 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 44.3 MB in the beginning and 59.4 MB in the end (delta: -15.2 MB). Peak memory consumption was 1.0 MB. Max. memory is 16.1 GB. [2021-10-11 00:22:16,357 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 81.8 MB. Free memory was 61.2 MB in the beginning and 61.1 MB in the end (delta: 56.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:22:16,359 INFO L168 Benchmark]: CACSL2BoogieTranslator took 369.53 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 44.1 MB in the beginning and 72.7 MB in the end (delta: -28.7 MB). Peak memory consumption was 13.0 MB. Max. memory is 16.1 GB. [2021-10-11 00:22:16,360 INFO L168 Benchmark]: Boogie Procedure Inliner took 102.16 ms. Allocated memory is still 98.6 MB. Free memory was 72.7 MB in the beginning and 69.8 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:22:16,361 INFO L168 Benchmark]: Boogie Preprocessor took 107.03 ms. Allocated memory is still 98.6 MB. Free memory was 69.8 MB in the beginning and 66.5 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:22:16,362 INFO L168 Benchmark]: RCFGBuilder took 937.75 ms. Allocated memory is still 98.6 MB. Free memory was 66.5 MB in the beginning and 66.0 MB in the end (delta: 516.4 kB). Peak memory consumption was 41.9 MB. Max. memory is 16.1 GB. [2021-10-11 00:22:16,365 INFO L168 Benchmark]: TraceAbstraction took 666.25 ms. Allocated memory is still 98.6 MB. Free memory was 65.5 MB in the beginning and 59.4 MB in the end (delta: 6.0 MB). Peak memory consumption was 3.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:22:16,366 INFO L168 Benchmark]: Witness Printer took 4.85 ms. Allocated memory is still 98.6 MB. Free memory is still 59.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:22:16,376 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 81.8 MB. Free memory was 61.2 MB in the beginning and 61.1 MB in the end (delta: 56.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 369.53 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 44.1 MB in the beginning and 72.7 MB in the end (delta: -28.7 MB). Peak memory consumption was 13.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 102.16 ms. Allocated memory is still 98.6 MB. Free memory was 72.7 MB in the beginning and 69.8 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 107.03 ms. Allocated memory is still 98.6 MB. Free memory was 69.8 MB in the beginning and 66.5 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 937.75 ms. Allocated memory is still 98.6 MB. Free memory was 66.5 MB in the beginning and 66.0 MB in the end (delta: 516.4 kB). Peak memory consumption was 41.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 666.25 ms. Allocated memory is still 98.6 MB. Free memory was 65.5 MB in the beginning and 59.4 MB in the end (delta: 6.0 MB). Peak memory consumption was 3.1 MB. Max. memory is 16.1 GB. * Witness Printer took 4.85 ms. Allocated memory is still 98.6 MB. Free memory is still 59.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 231]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 138, overapproximation of someBinaryArithmeticDOUBLEoperation at line 174, overapproximation of bitwiseAnd at line 156, overapproximation of someBinaryDOUBLEComparisonOperation at line 19. Possible FailurePath: [L21] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; [L133-L146] static const double one_acos = 1.00000000000000000000e+00, pi = 3.14159265358979311600e+00, pio2_hi_acos = 1.57079632679489655800e+00, pio2_lo_acos = 6.12323399573676603587e-17, pS0_acos = 1.66666666666666657415e-01, pS1_acos = -3.25565818622400915405e-01, pS2_acos = 2.01212532134862925881e-01, pS3_acos = -4.00555345006794114027e-02, pS4_acos = 7.91534994289814532176e-04, pS5_acos = 3.47933107596021167570e-05, qS1_acos = -2.40339491173441421878e+00, qS2_acos = 2.02094576023350569471e+00, qS3_acos = -6.88283971605453293030e-01, qS4_acos = 7.70381505559019352791e-02; VAL [one_acos=1, one_sqrt=1, pi=785398163397448279/500000000000000000, pi=785398163397448279/250000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L226] double x = 0.0 / 0.0; [L149] double z, p, q, r, w, s, c, df; [L150] __int32_t hx, ix; VAL [one_acos=1, one_sqrt=1, pi=785398163397448279/500000000000000000, pi=785398163397448279/250000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L152] ieee_double_shape_type gh_u; [L153] gh_u.value = (x) [L154] EXPR gh_u.parts.msw [L154] (hx) = gh_u.parts.msw [L156] ix = hx & 0x7fffffff VAL [one_acos=1, one_sqrt=1, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/500000000000000000, pi=785398163397448279/250000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L157] COND FALSE !(ix >= 0x3ff00000) VAL [one_acos=1, one_sqrt=1, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/250000000000000000, pi=785398163397448279/500000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L172] COND TRUE ix < 0x3fe00000 VAL [one_acos=1, one_sqrt=1, pi=785398163397448279/250000000000000000, pi=785398163397448279/500000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L173] COND TRUE ix <= 0x3c600000 [L174] return pio2_hi_acos + pio2_lo_acos; VAL [one_acos=1, one_sqrt=1, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/250000000000000000, pi=785398163397448279/500000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L227] double res = __ieee754_acos(x); [L19] return x != x; VAL [one_acos=1, one_sqrt=1, pi=785398163397448279/250000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/500000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L230] COND TRUE !isnan_double(res) [L231] reach_error() VAL [one_acos=1, one_sqrt=1, pi=785398163397448279/500000000000000000, pi=785398163397448279/250000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 104 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 149 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, 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=104occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 100 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 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2021-10-11 00:22:18,853 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:22:18,855 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:22:18,888 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:22:18,889 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:22:18,890 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:22:18,892 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:22:18,895 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:22:18,897 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:22:18,901 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:22:18,902 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:22:18,905 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:22:18,906 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:22:18,914 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:22:18,915 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:22:18,917 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:22:18,919 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:22:18,921 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:22:18,930 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:22:18,934 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:22:18,941 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:22:18,943 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:22:18,945 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:22:18,948 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:22:18,954 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:22:18,955 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:22:18,956 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:22:18,958 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:22:18,958 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:22:18,960 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:22:18,960 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:22:18,961 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:22:18,963 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:22:18,965 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:22:18,968 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:22:18,969 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:22:18,970 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:22:18,970 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:22:18,970 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:22:18,972 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:22:18,973 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:22:18,974 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f660957-7795-4871-99cf-a7b2257f02ff/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-10-11 00:22:19,003 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:22:19,005 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:22:19,007 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:22:19,008 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:22:19,008 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:22:19,008 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:22:19,008 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:22:19,009 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:22:19,010 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:22:19,010 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:22:19,011 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:22:19,011 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:22:19,011 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 00:22:19,012 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 00:22:19,012 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:22:19,012 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:22:19,012 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:22:19,013 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:22:19,013 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:22:19,013 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:22:19,013 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:22:19,013 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:22:19,014 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:22:19,014 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:22:19,014 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:22:19,014 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-11 00:22:19,015 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 00:22:19,015 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:22:19,015 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:22:19,015 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 00:22:19,015 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_2f660957-7795-4871-99cf-a7b2257f02ff/bin/uautomizer-Z5i5R5N3CC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f660957-7795-4871-99cf-a7b2257f02ff/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9ff7db1eeded42846704563d91b80b24f7e19034 [2021-10-11 00:22:19,445 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:22:19,474 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:22:19,477 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:22:19,478 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:22:19,479 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:22:19,480 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f660957-7795-4871-99cf-a7b2257f02ff/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/float-newlib/double_req_bl_0470.c [2021-10-11 00:22:19,547 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f660957-7795-4871-99cf-a7b2257f02ff/bin/uautomizer-Z5i5R5N3CC/data/5b323d8e1/cbbfe90af1e143f4a7c9c5d3787ede16/FLAGadc3dd71b [2021-10-11 00:22:20,127 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:22:20,128 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f660957-7795-4871-99cf-a7b2257f02ff/sv-benchmarks/c/float-newlib/double_req_bl_0470.c [2021-10-11 00:22:20,136 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f660957-7795-4871-99cf-a7b2257f02ff/bin/uautomizer-Z5i5R5N3CC/data/5b323d8e1/cbbfe90af1e143f4a7c9c5d3787ede16/FLAGadc3dd71b [2021-10-11 00:22:20,505 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f660957-7795-4871-99cf-a7b2257f02ff/bin/uautomizer-Z5i5R5N3CC/data/5b323d8e1/cbbfe90af1e143f4a7c9c5d3787ede16 [2021-10-11 00:22:20,508 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:22:20,512 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:22:20,513 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:22:20,513 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:22:20,520 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:22:20,522 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:22:20" (1/1) ... [2021-10-11 00:22:20,525 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11f03ca0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:20, skipping insertion in model container [2021-10-11 00:22:20,525 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:22:20" (1/1) ... [2021-10-11 00:22:20,532 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:22:20,577 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:22:20,897 WARN L226 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_2f660957-7795-4871-99cf-a7b2257f02ff/sv-benchmarks/c/float-newlib/double_req_bl_0470.c[5751,5764] [2021-10-11 00:22:20,900 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:22:20,912 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:22:20,959 WARN L226 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_2f660957-7795-4871-99cf-a7b2257f02ff/sv-benchmarks/c/float-newlib/double_req_bl_0470.c[5751,5764] [2021-10-11 00:22:20,960 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:22:20,979 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:22:20,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:20 WrapperNode [2021-10-11 00:22:20,980 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:22:20,981 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:22:20,981 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:22:20,981 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:22:20,988 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:20" (1/1) ... [2021-10-11 00:22:21,003 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:20" (1/1) ... [2021-10-11 00:22:21,057 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:22:21,058 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:22:21,059 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:22:21,059 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:22:21,067 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:20" (1/1) ... [2021-10-11 00:22:21,067 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:20" (1/1) ... [2021-10-11 00:22:21,094 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:20" (1/1) ... [2021-10-11 00:22:21,096 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:20" (1/1) ... [2021-10-11 00:22:21,112 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:20" (1/1) ... [2021-10-11 00:22:21,144 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:20" (1/1) ... [2021-10-11 00:22:21,151 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:20" (1/1) ... [2021-10-11 00:22:21,162 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:22:21,163 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:22:21,164 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:22:21,164 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:22:21,164 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:20" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f660957-7795-4871-99cf-a7b2257f02ff/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:22:21,258 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-10-11 00:22:21,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-10-11 00:22:21,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 00:22:21,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:22:21,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-11 00:22:21,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:22:21,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:22:21,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-11 00:22:21,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-11 00:22:52,959 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:22:52,960 INFO L299 CfgBuilder]: Removed 34 assume(true) statements. [2021-10-11 00:22:52,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:22:52 BoogieIcfgContainer [2021-10-11 00:22:52,962 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:22:52,964 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:22:52,964 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:22:52,968 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:22:52,968 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:22:20" (1/3) ... [2021-10-11 00:22:52,969 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@487be97f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:22:52, skipping insertion in model container [2021-10-11 00:22:52,969 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:20" (2/3) ... [2021-10-11 00:22:52,970 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@487be97f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:22:52, skipping insertion in model container [2021-10-11 00:22:52,970 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:22:52" (3/3) ... [2021-10-11 00:22:52,972 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0470.c [2021-10-11 00:22:52,987 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:22:52,991 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-10-11 00:22:53,003 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-11 00:22:53,030 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:22:53,030 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:22:53,030 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:22:53,030 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:22:53,031 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:22:53,031 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:22:53,031 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:22:53,031 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:22:53,047 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states. [2021-10-11 00:22:53,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-11 00:22:53,053 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:22:53,053 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:22:53,054 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:22:53,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:22:53,073 INFO L82 PathProgramCache]: Analyzing trace with hash 2057048347, now seen corresponding path program 1 times [2021-10-11 00:22:53,084 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-11 00:22:53,084 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1768189155] [2021-10-11 00:22:53,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f660957-7795-4871-99cf-a7b2257f02ff/bin/uautomizer-Z5i5R5N3CC/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2021-10-11 00:22:53,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:22:54,042 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 00:22:54,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:22:54,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:22:54,076 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 00:22:54,077 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1768189155] [2021-10-11 00:22:54,077 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:22:54,078 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:22:54,079 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042228637] [2021-10-11 00:22:54,083 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 00:22:54,083 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-11 00:22:54,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 00:22:54,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:22:54,100 INFO L87 Difference]: Start difference. First operand 104 states. Second operand 2 states. [2021-10-11 00:22:54,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:22:54,130 INFO L93 Difference]: Finished difference Result 206 states and 342 transitions. [2021-10-11 00:22:54,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 00:22:54,132 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2021-10-11 00:22:54,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:22:54,143 INFO L225 Difference]: With dead ends: 206 [2021-10-11 00:22:54,143 INFO L226 Difference]: Without dead ends: 101 [2021-10-11 00:22:54,147 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:22:54,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2021-10-11 00:22:54,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2021-10-11 00:22:54,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2021-10-11 00:22:54,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 146 transitions. [2021-10-11 00:22:54,192 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 146 transitions. Word has length 11 [2021-10-11 00:22:54,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:22:54,193 INFO L481 AbstractCegarLoop]: Abstraction has 101 states and 146 transitions. [2021-10-11 00:22:54,193 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 00:22:54,193 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 146 transitions. [2021-10-11 00:22:54,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-11 00:22:54,194 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:22:54,194 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:22:54,400 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 00:22:54,400 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:22:54,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:22:54,401 INFO L82 PathProgramCache]: Analyzing trace with hash -1327291576, now seen corresponding path program 1 times [2021-10-11 00:22:54,402 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-11 00:22:54,404 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1381838904] [2021-10-11 00:22:54,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f660957-7795-4871-99cf-a7b2257f02ff/bin/uautomizer-Z5i5R5N3CC/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2021-10-11 00:22:54,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:22:54,715 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-11 00:22:54,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:22:55,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:22:55,419 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 00:22:55,419 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1381838904] [2021-10-11 00:22:55,419 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:22:55,419 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:22:55,420 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953491390] [2021-10-11 00:22:55,421 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:22:55,421 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-11 00:22:55,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:22:55,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:22:55,423 INFO L87 Difference]: Start difference. First operand 101 states and 146 transitions. Second operand 5 states. [2021-10-11 00:22:55,881 WARN L197 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2021-10-11 00:22:56,335 WARN L197 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2021-10-11 00:22:59,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:22:59,134 INFO L93 Difference]: Finished difference Result 106 states and 150 transitions. [2021-10-11 00:22:59,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 00:22:59,314 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2021-10-11 00:22:59,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:22:59,315 INFO L225 Difference]: With dead ends: 106 [2021-10-11 00:22:59,315 INFO L226 Difference]: Without dead ends: 14 [2021-10-11 00:22:59,316 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 00:22:59,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2021-10-11 00:22:59,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2021-10-11 00:22:59,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-10-11 00:22:59,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 13 transitions. [2021-10-11 00:22:59,320 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 13 transitions. Word has length 12 [2021-10-11 00:22:59,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:22:59,320 INFO L481 AbstractCegarLoop]: Abstraction has 14 states and 13 transitions. [2021-10-11 00:22:59,320 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:22:59,320 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 13 transitions. [2021-10-11 00:22:59,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-11 00:22:59,321 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:22:59,321 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:22:59,521 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 00:22:59,522 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:22:59,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:22:59,523 INFO L82 PathProgramCache]: Analyzing trace with hash -1300627107, now seen corresponding path program 1 times [2021-10-11 00:22:59,523 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-11 00:22:59,523 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [334051466] [2021-10-11 00:22:59,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f660957-7795-4871-99cf-a7b2257f02ff/bin/uautomizer-Z5i5R5N3CC/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2021-10-11 00:23:00,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:23:00,482 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-11 00:23:00,484 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:23:00,871 WARN L197 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2021-10-11 00:23:01,748 WARN L197 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 3 [2021-10-11 00:23:02,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:23:02,151 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 00:23:02,152 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [334051466] [2021-10-11 00:23:02,152 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:23:02,152 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-11 00:23:02,152 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266621654] [2021-10-11 00:23:02,153 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-10-11 00:23:02,153 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-11 00:23:02,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-11 00:23:02,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-10-11 00:23:02,154 INFO L87 Difference]: Start difference. First operand 14 states and 13 transitions. Second operand 7 states. [2021-10-11 00:23:05,791 WARN L197 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2021-10-11 00:23:06,261 WARN L197 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2021-10-11 00:23:06,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:23:06,262 INFO L93 Difference]: Finished difference Result 14 states and 13 transitions. [2021-10-11 00:23:06,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-11 00:23:06,262 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 13 [2021-10-11 00:23:06,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:23:06,263 INFO L225 Difference]: With dead ends: 14 [2021-10-11 00:23:06,263 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 00:23:06,263 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-10-11 00:23:06,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 00:23:06,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 00:23:06,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 00:23:06,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 00:23:06,264 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2021-10-11 00:23:06,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:23:06,264 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:23:06,265 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-10-11 00:23:06,265 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:23:06,265 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 00:23:06,477 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 00:23:06,478 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 00:23:07,534 WARN L197 SmtUtils]: Spent 763.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 25 [2021-10-11 00:23:07,708 WARN L197 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2021-10-11 00:23:08,120 WARN L197 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 9 DAG size of output: 8 [2021-10-11 00:23:08,385 INFO L262 CegarLoopResult]: For program point L184(lines 184 216) no Hoare annotation was computed. [2021-10-11 00:23:08,386 INFO L262 CegarLoopResult]: For program point L151-1(lines 151 155) no Hoare annotation was computed. [2021-10-11 00:23:08,386 INFO L258 CegarLoopResult]: At program point L151-2(lines 151 155) the Hoare annotation is: (and (= currentRoundingMode roundNearestTiesToEven) (= (fp.div currentRoundingMode (_ +zero 11 53) (_ +zero 11 53)) ULTIMATE.start___ieee754_acos_~x)) [2021-10-11 00:23:08,386 INFO L262 CegarLoopResult]: For program point L151-3(lines 151 155) no Hoare annotation was computed. [2021-10-11 00:23:08,386 INFO L258 CegarLoopResult]: At program point L19(line 19) the Hoare annotation is: (and (= |ULTIMATE.start___ieee754_acos_#res| (let ((.cse0 (let ((.cse1 (fp.div roundNearestTiesToEven (_ +zero 11 53) (_ +zero 11 53)))) (fp.sub roundNearestTiesToEven .cse1 .cse1)))) (fp.div roundNearestTiesToEven .cse0 .cse0))) (= (_ bv1 32) |ULTIMATE.start_isnan_double_#res|)) [2021-10-11 00:23:08,386 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 00:23:08,388 INFO L258 CegarLoopResult]: At program point L86-2(lines 86 102) the Hoare annotation is: false [2021-10-11 00:23:08,388 INFO L262 CegarLoopResult]: For program point L86-3(lines 23 131) no Hoare annotation was computed. [2021-10-11 00:23:08,388 INFO L258 CegarLoopResult]: At program point L86-6(lines 86 102) the Hoare annotation is: false [2021-10-11 00:23:08,388 INFO L262 CegarLoopResult]: For program point L86-7(lines 23 131) no Hoare annotation was computed. [2021-10-11 00:23:08,388 INFO L265 CegarLoopResult]: At program point L235(lines 219 236) the Hoare annotation is: true [2021-10-11 00:23:08,389 INFO L262 CegarLoopResult]: For program point L54-2(lines 54 55) no Hoare annotation was computed. [2021-10-11 00:23:08,389 INFO L258 CegarLoopResult]: At program point L54-3(lines 54 55) the Hoare annotation is: false [2021-10-11 00:23:08,389 INFO L262 CegarLoopResult]: For program point L54-4(lines 54 55) no Hoare annotation was computed. [2021-10-11 00:23:08,389 INFO L262 CegarLoopResult]: For program point L54-7(lines 54 55) no Hoare annotation was computed. [2021-10-11 00:23:08,389 INFO L258 CegarLoopResult]: At program point L54-8(lines 54 55) the Hoare annotation is: false [2021-10-11 00:23:08,389 INFO L262 CegarLoopResult]: For program point L54-9(lines 54 55) no Hoare annotation was computed. [2021-10-11 00:23:08,389 INFO L262 CegarLoopResult]: For program point L104(lines 104 118) no Hoare annotation was computed. [2021-10-11 00:23:08,389 INFO L262 CegarLoopResult]: For program point L104-1(lines 104 118) no Hoare annotation was computed. [2021-10-11 00:23:08,390 INFO L262 CegarLoopResult]: For program point L121(lines 121 122) no Hoare annotation was computed. [2021-10-11 00:23:08,390 INFO L262 CegarLoopResult]: For program point L121-2(lines 121 122) no Hoare annotation was computed. [2021-10-11 00:23:08,390 INFO L262 CegarLoopResult]: For program point L121-3(lines 121 122) no Hoare annotation was computed. [2021-10-11 00:23:08,390 INFO L262 CegarLoopResult]: For program point L121-5(lines 121 122) no Hoare annotation was computed. [2021-10-11 00:23:08,390 INFO L262 CegarLoopResult]: For program point L89(lines 89 98) no Hoare annotation was computed. [2021-10-11 00:23:08,390 INFO L262 CegarLoopResult]: For program point L89-2(lines 89 98) no Hoare annotation was computed. [2021-10-11 00:23:08,390 INFO L262 CegarLoopResult]: For program point L89-3(lines 89 98) no Hoare annotation was computed. [2021-10-11 00:23:08,390 INFO L262 CegarLoopResult]: For program point L89-5(lines 89 98) no Hoare annotation was computed. [2021-10-11 00:23:08,390 INFO L262 CegarLoopResult]: For program point L172(lines 172 216) no Hoare annotation was computed. [2021-10-11 00:23:08,390 INFO L262 CegarLoopResult]: For program point L106(lines 106 117) no Hoare annotation was computed. [2021-10-11 00:23:08,390 INFO L262 CegarLoopResult]: For program point L40(lines 40 45) no Hoare annotation was computed. [2021-10-11 00:23:08,391 INFO L262 CegarLoopResult]: For program point L106-2(lines 106 117) no Hoare annotation was computed. [2021-10-11 00:23:08,391 INFO L258 CegarLoopResult]: At program point L73-2(lines 73 83) the Hoare annotation is: false [2021-10-11 00:23:08,391 INFO L262 CegarLoopResult]: For program point L40-2(lines 40 45) no Hoare annotation was computed. [2021-10-11 00:23:08,391 INFO L262 CegarLoopResult]: For program point L73-3(lines 73 83) no Hoare annotation was computed. [2021-10-11 00:23:08,391 INFO L262 CegarLoopResult]: For program point L40-3(lines 40 45) no Hoare annotation was computed. [2021-10-11 00:23:08,391 INFO L262 CegarLoopResult]: For program point L40-5(lines 40 45) no Hoare annotation was computed. [2021-10-11 00:23:08,391 INFO L258 CegarLoopResult]: At program point L73-6(lines 73 83) the Hoare annotation is: false [2021-10-11 00:23:08,391 INFO L262 CegarLoopResult]: For program point L73-7(lines 73 83) no Hoare annotation was computed. [2021-10-11 00:23:08,391 INFO L262 CegarLoopResult]: For program point L173(lines 173 174) no Hoare annotation was computed. [2021-10-11 00:23:08,391 INFO L262 CegarLoopResult]: For program point L41(lines 41 44) no Hoare annotation was computed. [2021-10-11 00:23:08,391 INFO L262 CegarLoopResult]: For program point L41-1(lines 41 44) no Hoare annotation was computed. [2021-10-11 00:23:08,392 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 00:23:08,392 INFO L262 CegarLoopResult]: For program point L157(lines 157 171) no Hoare annotation was computed. [2021-10-11 00:23:08,392 INFO L262 CegarLoopResult]: For program point L91(lines 91 92) no Hoare annotation was computed. [2021-10-11 00:23:08,392 INFO L262 CegarLoopResult]: For program point L124-1(lines 124 129) no Hoare annotation was computed. [2021-10-11 00:23:08,392 INFO L258 CegarLoopResult]: At program point L124-2(lines 124 129) the Hoare annotation is: false [2021-10-11 00:23:08,392 INFO L262 CegarLoopResult]: For program point L91-2(lines 91 92) no Hoare annotation was computed. [2021-10-11 00:23:08,392 INFO L262 CegarLoopResult]: For program point L124-3(lines 124 129) no Hoare annotation was computed. [2021-10-11 00:23:08,392 INFO L262 CegarLoopResult]: For program point L91-3(lines 91 92) no Hoare annotation was computed. [2021-10-11 00:23:08,393 INFO L262 CegarLoopResult]: For program point L124-5(lines 124 129) no Hoare annotation was computed. [2021-10-11 00:23:08,393 INFO L262 CegarLoopResult]: For program point L91-5(lines 91 92) no Hoare annotation was computed. [2021-10-11 00:23:08,393 INFO L258 CegarLoopResult]: At program point L124-6(lines 124 129) the Hoare annotation is: false [2021-10-11 00:23:08,393 INFO L262 CegarLoopResult]: For program point L124-7(lines 124 129) no Hoare annotation was computed. [2021-10-11 00:23:08,393 INFO L262 CegarLoopResult]: For program point L108(lines 108 116) no Hoare annotation was computed. [2021-10-11 00:23:08,394 INFO L262 CegarLoopResult]: For program point L75(lines 75 79) no Hoare annotation was computed. [2021-10-11 00:23:08,394 INFO L262 CegarLoopResult]: For program point L108-2(lines 108 116) no Hoare annotation was computed. [2021-10-11 00:23:08,394 INFO L262 CegarLoopResult]: For program point L75-2(lines 75 79) no Hoare annotation was computed. [2021-10-11 00:23:08,394 INFO L262 CegarLoopResult]: For program point L75-3(lines 75 79) no Hoare annotation was computed. [2021-10-11 00:23:08,394 INFO L262 CegarLoopResult]: For program point L75-5(lines 75 79) no Hoare annotation was computed. [2021-10-11 00:23:08,394 INFO L262 CegarLoopResult]: For program point L43(lines 43 44) no Hoare annotation was computed. [2021-10-11 00:23:08,395 INFO L262 CegarLoopResult]: For program point L43-1(lines 43 44) no Hoare annotation was computed. [2021-10-11 00:23:08,395 INFO L262 CegarLoopResult]: For program point L159-1(lines 159 163) no Hoare annotation was computed. [2021-10-11 00:23:08,395 INFO L258 CegarLoopResult]: At program point L159-2(lines 159 163) the Hoare annotation is: (and (exists ((|v_skolemized_q#valueAsBitvector_11| (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (fp.div currentRoundingMode (_ +zero 11 53) (_ +zero 11 53)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_11|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_11|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_11|))) (= (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_11|)) ULTIMATE.start___ieee754_acos_~ix~0))) (= currentRoundingMode roundNearestTiesToEven) (exists ((|v_skolemized_q#valueAsBitvector_11| (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (fp.div currentRoundingMode (_ +zero 11 53) (_ +zero 11 53)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_11|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_11|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_11|))) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_11|) ULTIMATE.start___ieee754_acos_~hx~0))) (= (fp.div currentRoundingMode (_ +zero 11 53) (_ +zero 11 53)) ULTIMATE.start___ieee754_acos_~x)) [2021-10-11 00:23:08,396 INFO L262 CegarLoopResult]: For program point L159-3(lines 157 171) no Hoare annotation was computed. [2021-10-11 00:23:08,396 INFO L262 CegarLoopResult]: For program point L94(lines 94 95) no Hoare annotation was computed. [2021-10-11 00:23:08,396 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 00:23:08,396 INFO L262 CegarLoopResult]: For program point L94-2(lines 94 95) no Hoare annotation was computed. [2021-10-11 00:23:08,396 INFO L262 CegarLoopResult]: For program point L94-3(lines 94 95) no Hoare annotation was computed. [2021-10-11 00:23:08,397 INFO L262 CegarLoopResult]: For program point L94-5(lines 94 95) no Hoare annotation was computed. [2021-10-11 00:23:08,397 INFO L262 CegarLoopResult]: For program point L111(lines 111 116) no Hoare annotation was computed. [2021-10-11 00:23:08,397 INFO L262 CegarLoopResult]: For program point L111-3(lines 111 116) no Hoare annotation was computed. [2021-10-11 00:23:08,397 INFO L262 CegarLoopResult]: For program point L62(lines 62 65) no Hoare annotation was computed. [2021-10-11 00:23:08,397 INFO L262 CegarLoopResult]: For program point L29-1(lines 29 34) no Hoare annotation was computed. [2021-10-11 00:23:08,397 INFO L262 CegarLoopResult]: For program point L62-2(lines 62 65) no Hoare annotation was computed. [2021-10-11 00:23:08,398 INFO L258 CegarLoopResult]: At program point L29-2(lines 29 34) the Hoare annotation is: false [2021-10-11 00:23:08,398 INFO L262 CegarLoopResult]: For program point L62-3(lines 62 65) no Hoare annotation was computed. [2021-10-11 00:23:08,398 INFO L262 CegarLoopResult]: For program point L29-3(lines 23 131) no Hoare annotation was computed. [2021-10-11 00:23:08,398 INFO L262 CegarLoopResult]: For program point L62-5(lines 62 65) no Hoare annotation was computed. [2021-10-11 00:23:08,398 INFO L262 CegarLoopResult]: For program point L29-5(lines 29 34) no Hoare annotation was computed. [2021-10-11 00:23:08,398 INFO L258 CegarLoopResult]: At program point L29-6(lines 29 34) the Hoare annotation is: false [2021-10-11 00:23:08,399 INFO L262 CegarLoopResult]: For program point L29-7(lines 23 131) no Hoare annotation was computed. [2021-10-11 00:23:08,399 INFO L262 CegarLoopResult]: For program point L112(lines 112 113) no Hoare annotation was computed. [2021-10-11 00:23:08,399 INFO L262 CegarLoopResult]: For program point L112-2(lines 112 113) no Hoare annotation was computed. [2021-10-11 00:23:08,399 INFO L262 CegarLoopResult]: For program point L112-3(lines 112 113) no Hoare annotation was computed. [2021-10-11 00:23:08,399 INFO L262 CegarLoopResult]: For program point L112-5(lines 112 113) no Hoare annotation was computed. [2021-10-11 00:23:08,400 INFO L258 CegarLoopResult]: At program point L130(lines 23 131) the Hoare annotation is: false [2021-10-11 00:23:08,400 INFO L258 CegarLoopResult]: At program point L130-1(lines 23 131) the Hoare annotation is: false [2021-10-11 00:23:08,400 INFO L262 CegarLoopResult]: For program point L48(lines 48 59) no Hoare annotation was computed. [2021-10-11 00:23:08,400 INFO L262 CegarLoopResult]: For program point L48-2(lines 48 59) no Hoare annotation was computed. [2021-10-11 00:23:08,400 INFO L262 CegarLoopResult]: For program point L48-3(lines 48 59) no Hoare annotation was computed. [2021-10-11 00:23:08,400 INFO L262 CegarLoopResult]: For program point L48-5(lines 48 59) no Hoare annotation was computed. [2021-10-11 00:23:08,401 INFO L262 CegarLoopResult]: For program point L230(lines 230 233) no Hoare annotation was computed. [2021-10-11 00:23:08,401 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 00:23:08,401 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 231) no Hoare annotation was computed. [2021-10-11 00:23:08,401 INFO L258 CegarLoopResult]: At program point L49-2(lines 49 53) the Hoare annotation is: false [2021-10-11 00:23:08,401 INFO L262 CegarLoopResult]: For program point L49-3(lines 49 53) no Hoare annotation was computed. [2021-10-11 00:23:08,402 INFO L258 CegarLoopResult]: At program point L49-6(lines 49 53) the Hoare annotation is: false [2021-10-11 00:23:08,402 INFO L262 CegarLoopResult]: For program point L49-7(lines 49 53) no Hoare annotation was computed. [2021-10-11 00:23:08,402 INFO L262 CegarLoopResult]: For program point L231(line 231) no Hoare annotation was computed. [2021-10-11 00:23:08,402 INFO L262 CegarLoopResult]: For program point L165(lines 165 168) no Hoare annotation was computed. [2021-10-11 00:23:08,402 INFO L258 CegarLoopResult]: At program point L215(lines 148 217) the Hoare annotation is: (= |ULTIMATE.start___ieee754_acos_#res| (let ((.cse0 (let ((.cse1 (fp.div roundNearestTiesToEven (_ +zero 11 53) (_ +zero 11 53)))) (fp.sub roundNearestTiesToEven .cse1 .cse1)))) (fp.div roundNearestTiesToEven .cse0 .cse0))) [2021-10-11 00:23:08,403 INFO L262 CegarLoopResult]: For program point L200-1(lines 200 205) no Hoare annotation was computed. [2021-10-11 00:23:08,403 INFO L258 CegarLoopResult]: At program point L200-2(lines 200 205) the Hoare annotation is: false [2021-10-11 00:23:08,403 INFO L262 CegarLoopResult]: For program point L200-3(lines 200 205) no Hoare annotation was computed. [2021-10-11 00:23:08,414 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 00:23:08,415 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-10-11 00:23:08,416 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-10-11 00:23:08,416 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-10-11 00:23:08,416 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-10-11 00:23:08,420 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:23:08,420 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 00:23:08,421 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-10-11 00:23:08,421 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-10-11 00:23:08,421 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-10-11 00:23:08,421 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-10-11 00:23:08,426 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 00:23:08,426 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-10-11 00:23:08,426 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-10-11 00:23:08,426 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-10-11 00:23:08,427 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-10-11 00:23:08,427 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:23:08,427 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 00:23:08,427 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-10-11 00:23:08,428 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-10-11 00:23:08,428 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-10-11 00:23:08,428 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-10-11 00:23:08,431 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:23:08,431 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:23:08,431 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:23:08,431 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:23:08,432 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:23:08,432 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:23:08,432 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:23:08,434 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:23:08,434 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:23:08,434 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:23:08,434 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:23:08,435 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:23:08,435 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:23:08,435 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:23:08,436 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:23:08,437 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:23:08,437 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:23:08,438 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:23:08,438 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:23:08,438 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:23:08,438 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:23:08,439 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:23:08,439 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:23:08,439 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:23:08,440 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:23:08,440 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:23:08,440 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:23:08,440 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:23:08,441 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:23:08,441 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:23:08,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:23:08 BoogieIcfgContainer [2021-10-11 00:23:08,443 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:23:08,444 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:23:08,444 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:23:08,445 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:23:08,445 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:22:52" (3/4) ... [2021-10-11 00:23:08,449 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 00:23:08,467 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2021-10-11 00:23:08,468 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2021-10-11 00:23:08,469 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:23:08,470 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:23:08,498 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\exists v_skolemized_q#valueAsBitvector_11 : bv64, currentRoundingMode : FloatRoundingMode :: ~fp.div~DOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_11[63:63], v_skolemized_q#valueAsBitvector_11[62:52], v_skolemized_q#valueAsBitvector_11[51:0]) && ~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_11[63:32]) == ix) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists v_skolemized_q#valueAsBitvector_11 : bv64, currentRoundingMode : FloatRoundingMode :: ~fp.div~DOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_11[63:63], v_skolemized_q#valueAsBitvector_11[62:52], v_skolemized_q#valueAsBitvector_11[51:0]) && v_skolemized_q#valueAsBitvector_11[63:32] == hx)) && ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x [2021-10-11 00:23:08,499 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \result == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())), ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()))) [2021-10-11 00:23:08,500 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \result == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())), ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()))) && 1bv32 == \result [2021-10-11 00:23:08,575 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f660957-7795-4871-99cf-a7b2257f02ff/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:23:08,576 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:23:08,577 INFO L168 Benchmark]: Toolchain (without parser) took 48064.66 ms. Allocated memory was 67.1 MB in the beginning and 92.3 MB in the end (delta: 25.2 MB). Free memory was 46.0 MB in the beginning and 36.6 MB in the end (delta: 9.4 MB). Peak memory consumption was 34.8 MB. Max. memory is 16.1 GB. [2021-10-11 00:23:08,577 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 67.1 MB. Free memory is still 47.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:23:08,578 INFO L168 Benchmark]: CACSL2BoogieTranslator took 467.40 ms. Allocated memory is still 67.1 MB. Free memory was 45.8 MB in the beginning and 43.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-11 00:23:08,578 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.08 ms. Allocated memory is still 67.1 MB. Free memory was 43.5 MB in the beginning and 40.6 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:23:08,578 INFO L168 Benchmark]: Boogie Preprocessor took 104.16 ms. Allocated memory is still 67.1 MB. Free memory was 40.6 MB in the beginning and 37.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:23:08,579 INFO L168 Benchmark]: RCFGBuilder took 31798.92 ms. Allocated memory was 67.1 MB in the beginning and 92.3 MB in the end (delta: 25.2 MB). Free memory was 37.6 MB in the beginning and 50.4 MB in the end (delta: -12.8 MB). Peak memory consumption was 16.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:23:08,579 INFO L168 Benchmark]: TraceAbstraction took 15479.40 ms. Allocated memory is still 92.3 MB. Free memory was 50.0 MB in the beginning and 46.4 MB in the end (delta: 3.6 MB). Peak memory consumption was 2.9 MB. Max. memory is 16.1 GB. [2021-10-11 00:23:08,580 INFO L168 Benchmark]: Witness Printer took 131.66 ms. Allocated memory is still 92.3 MB. Free memory was 46.4 MB in the beginning and 36.6 MB in the end (delta: 9.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 00:23:08,582 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 67.1 MB. Free memory is still 47.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 467.40 ms. Allocated memory is still 67.1 MB. Free memory was 45.8 MB in the beginning and 43.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 76.08 ms. Allocated memory is still 67.1 MB. Free memory was 43.5 MB in the beginning and 40.6 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 104.16 ms. Allocated memory is still 67.1 MB. Free memory was 40.6 MB in the beginning and 37.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 31798.92 ms. Allocated memory was 67.1 MB in the beginning and 92.3 MB in the end (delta: 25.2 MB). Free memory was 37.6 MB in the beginning and 50.4 MB in the end (delta: -12.8 MB). Peak memory consumption was 16.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 15479.40 ms. Allocated memory is still 92.3 MB. Free memory was 50.0 MB in the beginning and 46.4 MB in the end (delta: 3.6 MB). Peak memory consumption was 2.9 MB. Max. memory is 16.1 GB. * Witness Printer took 131.66 ms. Allocated memory is still 92.3 MB. Free memory was 46.4 MB in the beginning and 36.6 MB in the end (delta: 9.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 231]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 49]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 200]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 73]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 159]: Loop Invariant [2021-10-11 00:23:08,594 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 00:23:08,594 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-10-11 00:23:08,595 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-10-11 00:23:08,595 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-10-11 00:23:08,595 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-10-11 00:23:08,595 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:23:08,595 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 00:23:08,596 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-10-11 00:23:08,596 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-10-11 00:23:08,596 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-10-11 00:23:08,596 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-10-11 00:23:08,597 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 00:23:08,597 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-10-11 00:23:08,598 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-10-11 00:23:08,598 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-10-11 00:23:08,598 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-10-11 00:23:08,598 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:23:08,598 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 00:23:08,598 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-10-11 00:23:08,599 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-10-11 00:23:08,599 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-10-11 00:23:08,599 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] Derived loop invariant: (((\exists v_skolemized_q#valueAsBitvector_11 : bv64, currentRoundingMode : FloatRoundingMode :: ~fp.div~DOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_11[63:63], v_skolemized_q#valueAsBitvector_11[62:52], v_skolemized_q#valueAsBitvector_11[51:0]) && ~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_11[63:32]) == ix) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists v_skolemized_q#valueAsBitvector_11 : bv64, currentRoundingMode : FloatRoundingMode :: ~fp.div~DOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_11[63:63], v_skolemized_q#valueAsBitvector_11[62:52], v_skolemized_q#valueAsBitvector_11[51:0]) && v_skolemized_q#valueAsBitvector_11[63:32] == hx)) && ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x - InvariantResult [Line: 19]: Loop Invariant [2021-10-11 00:23:08,600 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:23:08,600 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:23:08,600 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:23:08,600 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:23:08,601 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:23:08,601 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:23:08,601 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:23:08,601 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:23:08,602 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:23:08,602 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:23:08,602 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:23:08,602 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:23:08,602 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:23:08,602 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: \result == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())), ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()))) && 1bv32 == \result - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 151]: Loop Invariant [2021-10-11 00:23:08,603 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:23:08,604 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x - InvariantResult [Line: 219]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 49]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 148]: Loop Invariant [2021-10-11 00:23:08,605 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:23:08,605 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:23:08,605 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:23:08,605 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:23:08,606 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:23:08,606 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:23:08,606 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:23:08,606 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:23:08,606 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:23:08,613 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:23:08,613 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:23:08,613 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:23:08,613 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:23:08,613 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: \result == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())), ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()))) - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 73]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 104 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 13.4s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 8.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 162 SDtfs, 23 SDslu, 31 SDs, 0 SdLazy, 25 SolverSat, 1 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 6.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 3.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=104occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 20 LocationsWithAnnotation, 20 PreInvPairs, 25 NumberOfFragments, 126 HoareAnnotationTreeSize, 20 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 20 FomulaSimplificationsInter, 14 FormulaSimplificationTreeSizeReductionInter, 1.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 33 ConstructedInterpolants, 4 QuantifiedInterpolants, 2118 SizeOfPredicates, 16 NumberOfNonLiveVariables, 186 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...