./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0870b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_f39ae6b7-831e-4291-bf91-2eadb170bdb0/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_f39ae6b7-831e-4291-bf91-2eadb170bdb0/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f39ae6b7-831e-4291-bf91-2eadb170bdb0/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f39ae6b7-831e-4291-bf91-2eadb170bdb0/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0870b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f39ae6b7-831e-4291-bf91-2eadb170bdb0/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f39ae6b7-831e-4291-bf91-2eadb170bdb0/bin/uautomizer --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 cc07f769210e23c7d7a9358701eec891cb6c26fa .................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_f39ae6b7-831e-4291-bf91-2eadb170bdb0/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_f39ae6b7-831e-4291-bf91-2eadb170bdb0/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f39ae6b7-831e-4291-bf91-2eadb170bdb0/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f39ae6b7-831e-4291-bf91-2eadb170bdb0/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0870b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f39ae6b7-831e-4291-bf91-2eadb170bdb0/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f39ae6b7-831e-4291-bf91-2eadb170bdb0/bin/uautomizer --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 cc07f769210e23c7d7a9358701eec891cb6c26fa ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 23:31:40,347 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 23:31:40,350 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 23:31:40,453 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 23:31:40,454 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 23:31:40,459 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 23:31:40,462 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 23:31:40,466 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 23:31:40,469 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 23:31:40,475 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 23:31:40,477 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 23:31:40,479 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 23:31:40,480 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 23:31:40,484 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 23:31:40,485 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 23:31:40,488 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 23:31:40,489 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 23:31:40,492 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 23:31:40,496 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 23:31:40,503 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 23:31:40,505 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 23:31:40,507 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 23:31:40,510 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 23:31:40,511 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 23:31:40,520 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 23:31:40,520 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 23:31:40,521 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 23:31:40,523 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 23:31:40,524 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 23:31:40,525 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 23:31:40,525 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 23:31:40,527 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 23:31:40,529 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 23:31:40,530 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 23:31:40,531 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 23:31:40,532 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 23:31:40,533 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 23:31:40,533 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 23:31:40,533 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 23:31:40,534 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 23:31:40,535 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 23:31:40,539 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f39ae6b7-831e-4291-bf91-2eadb170bdb0/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 23:31:40,578 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 23:31:40,578 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 23:31:40,580 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 23:31:40,581 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 23:31:40,581 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 23:31:40,581 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 23:31:40,581 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 23:31:40,582 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 23:31:40,582 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 23:31:40,582 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 23:31:40,583 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 23:31:40,584 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 23:31:40,584 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 23:31:40,584 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 23:31:40,584 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 23:31:40,584 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 23:31:40,585 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 23:31:40,585 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 23:31:40,585 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 23:31:40,585 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 23:31:40,586 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 23:31:40,586 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 23:31:40,586 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 23:31:40,586 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 23:31:40,586 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 23:31:40,587 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 23:31:40,587 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 23:31:40,587 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 23:31:40,587 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 23:31:40,588 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-vcloud-master/worker/run_dir_f39ae6b7-831e-4291-bf91-2eadb170bdb0/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_f39ae6b7-831e-4291-bf91-2eadb170bdb0/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cc07f769210e23c7d7a9358701eec891cb6c26fa [2020-11-29 23:31:40,911 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 23:31:40,936 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 23:31:40,939 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 23:31:40,940 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 23:31:40,941 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 23:31:40,942 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f39ae6b7-831e-4291-bf91-2eadb170bdb0/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0870b.c [2020-11-29 23:31:41,019 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f39ae6b7-831e-4291-bf91-2eadb170bdb0/bin/uautomizer/data/c821fa8d9/cb232c2859db4ac2b6d01fd12afe233a/FLAG2e22ea1e1 [2020-11-29 23:31:41,649 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 23:31:41,653 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f39ae6b7-831e-4291-bf91-2eadb170bdb0/sv-benchmarks/c/float-newlib/float_req_bl_0870b.c [2020-11-29 23:31:41,677 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f39ae6b7-831e-4291-bf91-2eadb170bdb0/bin/uautomizer/data/c821fa8d9/cb232c2859db4ac2b6d01fd12afe233a/FLAG2e22ea1e1 [2020-11-29 23:31:41,933 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f39ae6b7-831e-4291-bf91-2eadb170bdb0/bin/uautomizer/data/c821fa8d9/cb232c2859db4ac2b6d01fd12afe233a [2020-11-29 23:31:41,938 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 23:31:41,941 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 23:31:41,945 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 23:31:41,945 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 23:31:41,949 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 23:31:41,950 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:31:41" (1/1) ... [2020-11-29 23:31:41,953 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2194f8ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:31:41, skipping insertion in model container [2020-11-29 23:31:41,953 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:31:41" (1/1) ... [2020-11-29 23:31:41,960 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 23:31:42,021 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 23:31:42,319 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:835) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleNaNOrInfinity(StandardFunctionHandler.java:1682) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.lambda$42(StandardFunctionHandler.java:332) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:217) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1401) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleReturnStatement(FunctionHandler.java:540) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1971) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:193) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1600) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1045) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1577) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1045) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1423) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3209) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2292) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:579) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-11-29 23:31:42,325 INFO L168 Benchmark]: Toolchain (without parser) took 382.72 ms. Allocated memory was 79.7 MB in the beginning and 100.7 MB in the end (delta: 21.0 MB). Free memory was 49.3 MB in the beginning and 76.4 MB in the end (delta: -27.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 16.1 GB. [2020-11-29 23:31:42,326 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 79.7 MB. Free memory was 37.8 MB in the beginning and 37.7 MB in the end (delta: 38.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 23:31:42,327 INFO L168 Benchmark]: CACSL2BoogieTranslator took 377.49 ms. Allocated memory was 79.7 MB in the beginning and 100.7 MB in the end (delta: 21.0 MB). Free memory was 49.0 MB in the beginning and 76.4 MB in the end (delta: -27.4 MB). Peak memory consumption was 8.0 MB. Max. memory is 16.1 GB. [2020-11-29 23:31:42,333 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 79.7 MB. Free memory was 37.8 MB in the beginning and 37.7 MB in the end (delta: 38.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 377.49 ms. Allocated memory was 79.7 MB in the beginning and 100.7 MB in the end (delta: 21.0 MB). Free memory was 49.0 MB in the beginning and 76.4 MB in the end (delta: -27.4 MB). Peak memory consumption was 8.0 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:835) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-29 23:31:44,670 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 23:31:44,674 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 23:31:44,732 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 23:31:44,732 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 23:31:44,739 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 23:31:44,742 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 23:31:44,746 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 23:31:44,750 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 23:31:44,758 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 23:31:44,760 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 23:31:44,769 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 23:31:44,770 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 23:31:44,772 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 23:31:44,774 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 23:31:44,776 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 23:31:44,778 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 23:31:44,783 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 23:31:44,785 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 23:31:44,789 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 23:31:44,795 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 23:31:44,797 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 23:31:44,798 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 23:31:44,801 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 23:31:44,807 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 23:31:44,807 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 23:31:44,808 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 23:31:44,809 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 23:31:44,810 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 23:31:44,826 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 23:31:44,826 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 23:31:44,827 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 23:31:44,829 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 23:31:44,830 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 23:31:44,831 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 23:31:44,832 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 23:31:44,833 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 23:31:44,833 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 23:31:44,833 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 23:31:44,835 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 23:31:44,836 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 23:31:44,837 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f39ae6b7-831e-4291-bf91-2eadb170bdb0/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-11-29 23:31:44,885 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 23:31:44,885 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 23:31:44,889 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 23:31:44,889 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 23:31:44,889 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 23:31:44,890 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 23:31:44,890 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 23:31:44,890 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 23:31:44,890 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 23:31:44,891 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 23:31:44,892 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 23:31:44,892 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 23:31:44,892 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-29 23:31:44,893 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-29 23:31:44,893 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 23:31:44,893 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 23:31:44,893 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 23:31:44,893 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 23:31:44,894 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 23:31:44,894 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 23:31:44,894 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 23:31:44,895 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 23:31:44,895 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 23:31:44,895 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 23:31:44,895 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 23:31:44,896 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 23:31:44,896 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-29 23:31:44,896 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-29 23:31:44,896 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 23:31:44,897 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 23:31:44,897 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-29 23:31:44,897 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-vcloud-master/worker/run_dir_f39ae6b7-831e-4291-bf91-2eadb170bdb0/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_f39ae6b7-831e-4291-bf91-2eadb170bdb0/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cc07f769210e23c7d7a9358701eec891cb6c26fa [2020-11-29 23:31:45,315 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 23:31:45,350 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 23:31:45,355 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 23:31:45,357 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 23:31:45,358 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 23:31:45,359 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f39ae6b7-831e-4291-bf91-2eadb170bdb0/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0870b.c [2020-11-29 23:31:45,444 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f39ae6b7-831e-4291-bf91-2eadb170bdb0/bin/uautomizer/data/534a2425c/4b67d9610630404b930862a3580dfbcf/FLAGea2da98b9 [2020-11-29 23:31:46,108 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 23:31:46,109 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f39ae6b7-831e-4291-bf91-2eadb170bdb0/sv-benchmarks/c/float-newlib/float_req_bl_0870b.c [2020-11-29 23:31:46,128 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f39ae6b7-831e-4291-bf91-2eadb170bdb0/bin/uautomizer/data/534a2425c/4b67d9610630404b930862a3580dfbcf/FLAGea2da98b9 [2020-11-29 23:31:46,404 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f39ae6b7-831e-4291-bf91-2eadb170bdb0/bin/uautomizer/data/534a2425c/4b67d9610630404b930862a3580dfbcf [2020-11-29 23:31:46,406 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 23:31:46,408 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 23:31:46,411 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 23:31:46,411 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 23:31:46,424 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 23:31:46,424 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:31:46" (1/1) ... [2020-11-29 23:31:46,428 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31b13fee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:31:46, skipping insertion in model container [2020-11-29 23:31:46,428 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:31:46" (1/1) ... [2020-11-29 23:31:46,435 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 23:31:46,504 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 23:31:46,827 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:31:46,875 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 23:31:46,986 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:31:47,012 INFO L208 MainTranslator]: Completed translation [2020-11-29 23:31:47,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:31:47 WrapperNode [2020-11-29 23:31:47,013 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 23:31:47,014 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 23:31:47,014 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 23:31:47,015 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 23:31:47,022 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:31:47" (1/1) ... [2020-11-29 23:31:47,062 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:31:47" (1/1) ... [2020-11-29 23:31:47,134 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 23:31:47,156 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 23:31:47,157 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 23:31:47,157 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 23:31:47,165 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:31:47" (1/1) ... [2020-11-29 23:31:47,166 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:31:47" (1/1) ... [2020-11-29 23:31:47,183 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:31:47" (1/1) ... [2020-11-29 23:31:47,183 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:31:47" (1/1) ... [2020-11-29 23:31:47,220 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:31:47" (1/1) ... [2020-11-29 23:31:47,250 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:31:47" (1/1) ... [2020-11-29 23:31:47,258 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:31:47" (1/1) ... [2020-11-29 23:31:47,282 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 23:31:47,283 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 23:31:47,283 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 23:31:47,284 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 23:31:47,285 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:31:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f39ae6b7-831e-4291-bf91-2eadb170bdb0/bin/uautomizer/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 [2020-11-29 23:31:47,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2020-11-29 23:31:47,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-29 23:31:47,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 23:31:47,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-11-29 23:31:47,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-29 23:31:47,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 23:31:47,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 23:31:47,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2020-11-29 23:31:47,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-29 23:31:47,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 23:32:06,661 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 23:32:06,662 INFO L298 CfgBuilder]: Removed 104 assume(true) statements. [2020-11-29 23:32:06,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:32:06 BoogieIcfgContainer [2020-11-29 23:32:06,664 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 23:32:06,666 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 23:32:06,666 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 23:32:06,669 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 23:32:06,669 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 11:31:46" (1/3) ... [2020-11-29 23:32:06,670 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60519706 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 11:32:06, skipping insertion in model container [2020-11-29 23:32:06,670 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:31:47" (2/3) ... [2020-11-29 23:32:06,671 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60519706 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 11:32:06, skipping insertion in model container [2020-11-29 23:32:06,671 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:32:06" (3/3) ... [2020-11-29 23:32:06,672 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0870b.c [2020-11-29 23:32:06,683 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 23:32:06,688 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 23:32:06,700 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 23:32:06,725 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 23:32:06,726 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 23:32:06,726 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 23:32:06,726 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 23:32:06,726 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 23:32:06,726 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 23:32:06,727 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 23:32:06,727 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 23:32:06,745 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states. [2020-11-29 23:32:06,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-29 23:32:06,750 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:32:06,751 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:32:06,751 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:32:06,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:32:06,757 INFO L82 PathProgramCache]: Analyzing trace with hash 483165043, now seen corresponding path program 1 times [2020-11-29 23:32:06,768 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 23:32:06,769 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [32630249] [2020-11-29 23:32:06,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f39ae6b7-831e-4291-bf91-2eadb170bdb0/bin/uautomizer/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 [2020-11-29 23:32:07,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:32:07,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-29 23:32:07,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:32:07,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:32:07,984 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 23:32:07,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:32:07,989 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [32630249] [2020-11-29 23:32:07,990 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:32:07,990 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-29 23:32:07,991 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834258133] [2020-11-29 23:32:07,995 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-29 23:32:07,995 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 23:32:08,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-29 23:32:08,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 23:32:08,011 INFO L87 Difference]: Start difference. First operand 201 states. Second operand 2 states. [2020-11-29 23:32:08,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:32:08,056 INFO L93 Difference]: Finished difference Result 398 states and 685 transitions. [2020-11-29 23:32:08,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-29 23:32:08,057 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-11-29 23:32:08,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:32:08,075 INFO L225 Difference]: With dead ends: 398 [2020-11-29 23:32:08,077 INFO L226 Difference]: Without dead ends: 196 [2020-11-29 23:32:08,082 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 23:32:08,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2020-11-29 23:32:08,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 196. [2020-11-29 23:32:08,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 196 states. [2020-11-29 23:32:08,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 256 transitions. [2020-11-29 23:32:08,141 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 256 transitions. Word has length 11 [2020-11-29 23:32:08,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:32:08,142 INFO L481 AbstractCegarLoop]: Abstraction has 196 states and 256 transitions. [2020-11-29 23:32:08,142 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-29 23:32:08,142 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 256 transitions. [2020-11-29 23:32:08,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-29 23:32:08,143 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:32:08,143 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:32:08,359 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-29 23:32:08,360 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:32:08,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:32:08,361 INFO L82 PathProgramCache]: Analyzing trace with hash 1070268880, now seen corresponding path program 1 times [2020-11-29 23:32:08,361 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 23:32:08,362 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2090425568] [2020-11-29 23:32:08,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f39ae6b7-831e-4291-bf91-2eadb170bdb0/bin/uautomizer/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 [2020-11-29 23:32:09,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:32:09,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-29 23:32:09,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:32:09,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:32:09,660 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 23:32:09,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:32:09,747 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2090425568] [2020-11-29 23:32:09,747 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:32:09,747 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 6 [2020-11-29 23:32:09,747 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91045675] [2020-11-29 23:32:09,749 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-29 23:32:09,749 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 23:32:09,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-29 23:32:09,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-29 23:32:09,750 INFO L87 Difference]: Start difference. First operand 196 states and 256 transitions. Second operand 6 states. [2020-11-29 23:32:09,916 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2020-11-29 23:32:13,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:32:13,209 INFO L93 Difference]: Finished difference Result 201 states and 260 transitions. [2020-11-29 23:32:13,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 23:32:13,248 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2020-11-29 23:32:13,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:32:13,250 INFO L225 Difference]: With dead ends: 201 [2020-11-29 23:32:13,250 INFO L226 Difference]: Without dead ends: 196 [2020-11-29 23:32:13,251 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-11-29 23:32:13,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2020-11-29 23:32:13,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 196. [2020-11-29 23:32:13,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 196 states. [2020-11-29 23:32:13,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 255 transitions. [2020-11-29 23:32:13,272 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 255 transitions. Word has length 13 [2020-11-29 23:32:13,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:32:13,272 INFO L481 AbstractCegarLoop]: Abstraction has 196 states and 255 transitions. [2020-11-29 23:32:13,273 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-29 23:32:13,273 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 255 transitions. [2020-11-29 23:32:13,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:32:13,274 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:32:13,274 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:32:13,495 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-29 23:32:13,496 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:32:13,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:32:13,496 INFO L82 PathProgramCache]: Analyzing trace with hash 753134645, now seen corresponding path program 1 times [2020-11-29 23:32:13,497 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 23:32:13,497 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1718969666] [2020-11-29 23:32:13,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f39ae6b7-831e-4291-bf91-2eadb170bdb0/bin/uautomizer/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 [2020-11-29 23:32:14,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:32:14,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-29 23:32:14,521 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:32:14,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:32:14,653 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 23:32:14,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:32:14,817 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1718969666] [2020-11-29 23:32:14,817 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:32:14,817 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2020-11-29 23:32:14,817 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117449429] [2020-11-29 23:32:14,817 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-29 23:32:14,818 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 23:32:14,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-29 23:32:14,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-11-29 23:32:14,819 INFO L87 Difference]: Start difference. First operand 196 states and 255 transitions. Second operand 10 states. [2020-11-29 23:32:15,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:32:15,125 INFO L93 Difference]: Finished difference Result 201 states and 259 transitions. [2020-11-29 23:32:15,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-29 23:32:15,131 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 15 [2020-11-29 23:32:15,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:32:15,132 INFO L225 Difference]: With dead ends: 201 [2020-11-29 23:32:15,132 INFO L226 Difference]: Without dead ends: 16 [2020-11-29 23:32:15,133 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-11-29 23:32:15,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2020-11-29 23:32:15,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2020-11-29 23:32:15,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-11-29 23:32:15,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 15 transitions. [2020-11-29 23:32:15,136 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 15 transitions. Word has length 15 [2020-11-29 23:32:15,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:32:15,137 INFO L481 AbstractCegarLoop]: Abstraction has 16 states and 15 transitions. [2020-11-29 23:32:15,137 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-29 23:32:15,137 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2020-11-29 23:32:15,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:32:15,137 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:32:15,137 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:32:15,338 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-29 23:32:15,338 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:32:15,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:32:15,339 INFO L82 PathProgramCache]: Analyzing trace with hash 754981687, now seen corresponding path program 1 times [2020-11-29 23:32:15,339 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 23:32:15,339 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1637517631] [2020-11-29 23:32:15,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f39ae6b7-831e-4291-bf91-2eadb170bdb0/bin/uautomizer/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-11-29 23:32:16,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:32:16,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-29 23:32:16,415 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:32:16,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:32:16,455 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 23:32:16,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:32:16,488 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1637517631] [2020-11-29 23:32:16,488 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:32:16,489 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2020-11-29 23:32:16,489 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351340424] [2020-11-29 23:32:16,489 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-29 23:32:16,489 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 23:32:16,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-29 23:32:16,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-11-29 23:32:16,490 INFO L87 Difference]: Start difference. First operand 16 states and 15 transitions. Second operand 7 states. [2020-11-29 23:32:16,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:32:16,561 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions. [2020-11-29 23:32:16,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 23:32:16,562 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 15 [2020-11-29 23:32:16,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:32:16,562 INFO L225 Difference]: With dead ends: 16 [2020-11-29 23:32:16,562 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 23:32:16,562 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2020-11-29 23:32:16,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 23:32:16,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 23:32:16,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 23:32:16,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 23:32:16,563 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2020-11-29 23:32:16,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:32:16,563 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 23:32:16,563 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-29 23:32:16,563 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 23:32:16,564 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 23:32:16,764 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-29 23:32:16,765 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 23:32:17,066 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-11-29 23:32:17,343 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2020-11-29 23:32:17,364 INFO L274 CegarLoopResult]: For program point L531(lines 531 533) no Hoare annotation was computed. [2020-11-29 23:32:17,364 INFO L274 CegarLoopResult]: For program point L531-2(lines 522 534) no Hoare annotation was computed. [2020-11-29 23:32:17,364 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-29 23:32:17,365 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-29 23:32:17,365 INFO L274 CegarLoopResult]: For program point L532(lines 532 533) no Hoare annotation was computed. [2020-11-29 23:32:17,365 INFO L274 CegarLoopResult]: For program point L433-1(lines 433 437) no Hoare annotation was computed. [2020-11-29 23:32:17,365 INFO L274 CegarLoopResult]: For program point L367(lines 367 368) no Hoare annotation was computed. [2020-11-29 23:32:17,365 INFO L270 CegarLoopResult]: At program point L433-2(lines 433 437) the Hoare annotation is: false [2020-11-29 23:32:17,365 INFO L274 CegarLoopResult]: For program point L170-1(lines 170 174) no Hoare annotation was computed. [2020-11-29 23:32:17,365 INFO L270 CegarLoopResult]: At program point L170-2(lines 170 174) the Hoare annotation is: false [2020-11-29 23:32:17,365 INFO L274 CegarLoopResult]: For program point L170-3(lines 170 174) no Hoare annotation was computed. [2020-11-29 23:32:17,366 INFO L274 CegarLoopResult]: For program point L501(lines 501 502) no Hoare annotation was computed. [2020-11-29 23:32:17,366 INFO L274 CegarLoopResult]: For program point L402(lines 402 410) no Hoare annotation was computed. [2020-11-29 23:32:17,366 INFO L274 CegarLoopResult]: For program point L402-1(lines 402 410) no Hoare annotation was computed. [2020-11-29 23:32:17,366 INFO L274 CegarLoopResult]: For program point L303-1(lines 303 307) no Hoare annotation was computed. [2020-11-29 23:32:17,366 INFO L270 CegarLoopResult]: At program point L303-2(lines 303 307) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24)) ULTIMATE.start_main_~x~0)) (not (fp.eq ULTIMATE.start___ieee754_powf_~y (_ +zero 8 24))) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24)) ULTIMATE.start___ieee754_powf_~x))) [2020-11-29 23:32:17,366 INFO L274 CegarLoopResult]: For program point L238(lines 238 243) no Hoare annotation was computed. [2020-11-29 23:32:17,366 INFO L274 CegarLoopResult]: For program point L205-1(lines 205 209) no Hoare annotation was computed. [2020-11-29 23:32:17,366 INFO L274 CegarLoopResult]: For program point L139(lines 139 140) no Hoare annotation was computed. [2020-11-29 23:32:17,366 INFO L270 CegarLoopResult]: At program point L205-2(lines 205 209) the Hoare annotation is: false [2020-11-29 23:32:17,367 INFO L274 CegarLoopResult]: For program point L205-3(lines 205 209) no Hoare annotation was computed. [2020-11-29 23:32:17,367 INFO L274 CegarLoopResult]: For program point L139-2(lines 139 140) no Hoare annotation was computed. [2020-11-29 23:32:17,367 INFO L274 CegarLoopResult]: For program point L503(lines 503 507) no Hoare annotation was computed. [2020-11-29 23:32:17,367 INFO L274 CegarLoopResult]: For program point L503-1(lines 297 586) no Hoare annotation was computed. [2020-11-29 23:32:17,367 INFO L274 CegarLoopResult]: For program point L338(lines 338 343) no Hoare annotation was computed. [2020-11-29 23:32:17,367 INFO L274 CegarLoopResult]: For program point L239(lines 239 242) no Hoare annotation was computed. [2020-11-29 23:32:17,367 INFO L274 CegarLoopResult]: For program point L603(lines 603 612) no Hoare annotation was computed. [2020-11-29 23:32:17,367 INFO L274 CegarLoopResult]: For program point L603-2(lines 603 612) no Hoare annotation was computed. [2020-11-29 23:32:17,367 INFO L274 CegarLoopResult]: For program point L438(lines 438 442) no Hoare annotation was computed. [2020-11-29 23:32:17,368 INFO L274 CegarLoopResult]: For program point L438-1(lines 398 499) no Hoare annotation was computed. [2020-11-29 23:32:17,368 INFO L274 CegarLoopResult]: For program point L405-1(lines 405 409) no Hoare annotation was computed. [2020-11-29 23:32:17,368 INFO L270 CegarLoopResult]: At program point L405-2(lines 405 409) the Hoare annotation is: false [2020-11-29 23:32:17,368 INFO L274 CegarLoopResult]: For program point L538(lines 538 550) no Hoare annotation was computed. [2020-11-29 23:32:17,368 INFO L274 CegarLoopResult]: For program point L571-1(lines 571 575) no Hoare annotation was computed. [2020-11-29 23:32:17,368 INFO L270 CegarLoopResult]: At program point L571-2(lines 571 575) the Hoare annotation is: false [2020-11-29 23:32:17,368 INFO L274 CegarLoopResult]: For program point L538-2(lines 538 550) no Hoare annotation was computed. [2020-11-29 23:32:17,368 INFO L274 CegarLoopResult]: For program point L571-3(lines 571 575) no Hoare annotation was computed. [2020-11-29 23:32:17,368 INFO L274 CegarLoopResult]: For program point L472-1(lines 472 476) no Hoare annotation was computed. [2020-11-29 23:32:17,369 INFO L270 CegarLoopResult]: At program point L472-2(lines 472 476) the Hoare annotation is: false [2020-11-29 23:32:17,369 INFO L274 CegarLoopResult]: For program point L373(lines 373 374) no Hoare annotation was computed. [2020-11-29 23:32:17,369 INFO L274 CegarLoopResult]: For program point L340(lines 340 343) no Hoare annotation was computed. [2020-11-29 23:32:17,369 INFO L270 CegarLoopResult]: At program point L175(lines 111 176) the Hoare annotation is: false [2020-11-29 23:32:17,369 INFO L274 CegarLoopResult]: For program point L341(line 341) no Hoare annotation was computed. [2020-11-29 23:32:17,369 INFO L274 CegarLoopResult]: For program point L308(lines 308 312) no Hoare annotation was computed. [2020-11-29 23:32:17,369 INFO L274 CegarLoopResult]: For program point L308-1(lines 297 586) no Hoare annotation was computed. [2020-11-29 23:32:17,369 INFO L274 CegarLoopResult]: For program point L341-2(line 341) no Hoare annotation was computed. [2020-11-29 23:32:17,369 INFO L274 CegarLoopResult]: For program point L308-2(lines 308 312) no Hoare annotation was computed. [2020-11-29 23:32:17,369 INFO L274 CegarLoopResult]: For program point L375(lines 375 499) no Hoare annotation was computed. [2020-11-29 23:32:17,370 INFO L274 CegarLoopResult]: For program point L375-2(lines 375 499) no Hoare annotation was computed. [2020-11-29 23:32:17,370 INFO L274 CegarLoopResult]: For program point L508(lines 508 512) no Hoare annotation was computed. [2020-11-29 23:32:17,370 INFO L274 CegarLoopResult]: For program point L541-1(lines 541 545) no Hoare annotation was computed. [2020-11-29 23:32:17,370 INFO L274 CegarLoopResult]: For program point L508-1(lines 297 586) no Hoare annotation was computed. [2020-11-29 23:32:17,370 INFO L270 CegarLoopResult]: At program point L541-2(lines 541 545) the Hoare annotation is: false [2020-11-29 23:32:17,370 INFO L274 CegarLoopResult]: For program point L508-2(lines 508 512) no Hoare annotation was computed. [2020-11-29 23:32:17,370 INFO L274 CegarLoopResult]: For program point L541-3(lines 541 545) no Hoare annotation was computed. [2020-11-29 23:32:17,370 INFO L274 CegarLoopResult]: For program point L343(line 343) no Hoare annotation was computed. [2020-11-29 23:32:17,370 INFO L274 CegarLoopResult]: For program point L343-2(line 343) no Hoare annotation was computed. [2020-11-29 23:32:17,370 INFO L274 CegarLoopResult]: For program point L608(lines 608 611) no Hoare annotation was computed. [2020-11-29 23:32:17,371 INFO L274 CegarLoopResult]: For program point L443(lines 443 447) no Hoare annotation was computed. [2020-11-29 23:32:17,371 INFO L274 CegarLoopResult]: For program point L443-1(lines 398 499) no Hoare annotation was computed. [2020-11-29 23:32:17,371 INFO L274 CegarLoopResult]: For program point L377(lines 377 378) no Hoare annotation was computed. [2020-11-29 23:32:17,371 INFO L274 CegarLoopResult]: For program point L443-2(lines 443 447) no Hoare annotation was computed. [2020-11-29 23:32:17,371 INFO L274 CegarLoopResult]: For program point L212(lines 212 213) no Hoare annotation was computed. [2020-11-29 23:32:17,374 INFO L274 CegarLoopResult]: For program point L245-1(lines 245 249) no Hoare annotation was computed. [2020-11-29 23:32:17,374 INFO L270 CegarLoopResult]: At program point L245-2(lines 245 249) the Hoare annotation is: false [2020-11-29 23:32:17,374 INFO L274 CegarLoopResult]: For program point L179-1(lines 179 183) no Hoare annotation was computed. [2020-11-29 23:32:17,375 INFO L274 CegarLoopResult]: For program point L245-3(lines 245 249) no Hoare annotation was computed. [2020-11-29 23:32:17,375 INFO L270 CegarLoopResult]: At program point L179-2(lines 179 183) the Hoare annotation is: false [2020-11-29 23:32:17,375 INFO L274 CegarLoopResult]: For program point L179-5(lines 179 183) no Hoare annotation was computed. [2020-11-29 23:32:17,375 INFO L270 CegarLoopResult]: At program point L179-6(lines 179 183) the Hoare annotation is: false [2020-11-29 23:32:17,375 INFO L274 CegarLoopResult]: For program point L179-9(lines 179 183) no Hoare annotation was computed. [2020-11-29 23:32:17,375 INFO L270 CegarLoopResult]: At program point L179-10(lines 179 183) the Hoare annotation is: false [2020-11-29 23:32:17,375 INFO L274 CegarLoopResult]: For program point L477(lines 477 481) no Hoare annotation was computed. [2020-11-29 23:32:17,376 INFO L274 CegarLoopResult]: For program point L477-1(lines 398 499) no Hoare annotation was computed. [2020-11-29 23:32:17,376 INFO L274 CegarLoopResult]: For program point L477-2(lines 477 481) no Hoare annotation was computed. [2020-11-29 23:32:17,376 INFO L274 CegarLoopResult]: For program point L378(line 378) no Hoare annotation was computed. [2020-11-29 23:32:17,377 INFO L274 CegarLoopResult]: For program point L345(lines 345 350) no Hoare annotation was computed. [2020-11-29 23:32:17,377 INFO L274 CegarLoopResult]: For program point L378-2(line 378) no Hoare annotation was computed. [2020-11-29 23:32:17,377 INFO L270 CegarLoopResult]: At program point L147-2(lines 147 156) the Hoare annotation is: false [2020-11-29 23:32:17,377 INFO L274 CegarLoopResult]: For program point L147-3(lines 111 176) no Hoare annotation was computed. [2020-11-29 23:32:17,377 INFO L274 CegarLoopResult]: For program point L577(lines 577 584) no Hoare annotation was computed. [2020-11-29 23:32:17,377 INFO L274 CegarLoopResult]: For program point L379(lines 379 380) no Hoare annotation was computed. [2020-11-29 23:32:17,377 INFO L274 CegarLoopResult]: For program point L346(lines 346 349) no Hoare annotation was computed. [2020-11-29 23:32:17,377 INFO L274 CegarLoopResult]: For program point L214(lines 214 215) no Hoare annotation was computed. [2020-11-29 23:32:17,377 INFO L274 CegarLoopResult]: For program point L380(line 380) no Hoare annotation was computed. [2020-11-29 23:32:17,378 INFO L274 CegarLoopResult]: For program point L380-2(line 380) no Hoare annotation was computed. [2020-11-29 23:32:17,378 INFO L274 CegarLoopResult]: For program point L149(lines 149 153) no Hoare annotation was computed. [2020-11-29 23:32:17,378 INFO L274 CegarLoopResult]: For program point L116-1(lines 116 120) no Hoare annotation was computed. [2020-11-29 23:32:17,378 INFO L274 CegarLoopResult]: For program point L149-2(lines 149 153) no Hoare annotation was computed. [2020-11-29 23:32:17,378 INFO L270 CegarLoopResult]: At program point L116-2(lines 116 120) the Hoare annotation is: false [2020-11-29 23:32:17,378 INFO L274 CegarLoopResult]: For program point L116-3(lines 116 120) no Hoare annotation was computed. [2020-11-29 23:32:17,378 INFO L274 CegarLoopResult]: For program point L216(lines 216 226) no Hoare annotation was computed. [2020-11-29 23:32:17,378 INFO L274 CegarLoopResult]: For program point L216-2(lines 216 226) no Hoare annotation was computed. [2020-11-29 23:32:17,378 INFO L274 CegarLoopResult]: For program point L547(lines 547 548) no Hoare annotation was computed. [2020-11-29 23:32:17,378 INFO L274 CegarLoopResult]: For program point L580-1(lines 580 584) no Hoare annotation was computed. [2020-11-29 23:32:17,379 INFO L270 CegarLoopResult]: At program point L580-2(lines 580 584) the Hoare annotation is: false [2020-11-29 23:32:17,379 INFO L274 CegarLoopResult]: For program point L547-2(lines 547 548) no Hoare annotation was computed. [2020-11-29 23:32:17,379 INFO L274 CegarLoopResult]: For program point L580-3(lines 577 584) no Hoare annotation was computed. [2020-11-29 23:32:17,379 INFO L274 CegarLoopResult]: For program point L415(lines 415 423) no Hoare annotation was computed. [2020-11-29 23:32:17,379 INFO L274 CegarLoopResult]: For program point L316(lines 316 317) no Hoare annotation was computed. [2020-11-29 23:32:17,379 INFO L270 CegarLoopResult]: At program point L250(lines 201 251) the Hoare annotation is: false [2020-11-29 23:32:17,379 INFO L274 CegarLoopResult]: For program point L184(lines 184 188) no Hoare annotation was computed. [2020-11-29 23:32:17,380 INFO L274 CegarLoopResult]: For program point L184-1(lines 177 195) no Hoare annotation was computed. [2020-11-29 23:32:17,380 INFO L274 CegarLoopResult]: For program point L184-3(lines 184 188) no Hoare annotation was computed. [2020-11-29 23:32:17,380 INFO L274 CegarLoopResult]: For program point L184-4(lines 177 195) no Hoare annotation was computed. [2020-11-29 23:32:17,380 INFO L274 CegarLoopResult]: For program point L184-6(lines 184 188) no Hoare annotation was computed. [2020-11-29 23:32:17,380 INFO L274 CegarLoopResult]: For program point L184-7(lines 177 195) no Hoare annotation was computed. [2020-11-29 23:32:17,380 INFO L277 CegarLoopResult]: At program point L614(lines 591 615) the Hoare annotation is: true [2020-11-29 23:32:17,381 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 23:32:17,381 INFO L274 CegarLoopResult]: For program point L218-1(lines 218 222) no Hoare annotation was computed. [2020-11-29 23:32:17,381 INFO L270 CegarLoopResult]: At program point L218-2(lines 218 222) the Hoare annotation is: false [2020-11-29 23:32:17,381 INFO L274 CegarLoopResult]: For program point L218-3(lines 218 222) no Hoare annotation was computed. [2020-11-29 23:32:17,381 INFO L274 CegarLoopResult]: For program point L516-1(lines 516 520) no Hoare annotation was computed. [2020-11-29 23:32:17,381 INFO L270 CegarLoopResult]: At program point L516-2(lines 516 520) the Hoare annotation is: false [2020-11-29 23:32:17,381 INFO L274 CegarLoopResult]: For program point L417(lines 417 423) no Hoare annotation was computed. [2020-11-29 23:32:17,382 INFO L274 CegarLoopResult]: For program point L516-3(lines 516 520) no Hoare annotation was computed. [2020-11-29 23:32:17,382 INFO L274 CegarLoopResult]: For program point L351(lines 351 352) no Hoare annotation was computed. [2020-11-29 23:32:17,382 INFO L274 CegarLoopResult]: For program point L319(lines 319 324) no Hoare annotation was computed. [2020-11-29 23:32:17,382 INFO L274 CegarLoopResult]: For program point L353(lines 353 356) no Hoare annotation was computed. [2020-11-29 23:32:17,382 INFO L274 CegarLoopResult]: For program point L320(lines 320 323) no Hoare annotation was computed. [2020-11-29 23:32:17,382 INFO L274 CegarLoopResult]: For program point L353-2(lines 353 356) no Hoare annotation was computed. [2020-11-29 23:32:17,382 INFO L274 CegarLoopResult]: For program point L254-1(lines 254 258) no Hoare annotation was computed. [2020-11-29 23:32:17,383 INFO L270 CegarLoopResult]: At program point L254-2(lines 254 258) the Hoare annotation is: false [2020-11-29 23:32:17,383 INFO L270 CegarLoopResult]: At program point L585(lines 297 586) the Hoare annotation is: (and (= |ULTIMATE.start___ieee754_powf_#res| (_ NaN 8 24)) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24)) ULTIMATE.start_main_~x~0)) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_powf_~hx~3) ((_ extract 30 23) ULTIMATE.start___ieee754_powf_~hx~3) ((_ extract 22 0) ULTIMATE.start___ieee754_powf_~hx~3)))) (not (fp.eq (fp ((_ extract 31 31) ULTIMATE.start___ieee754_powf_~hy~1) ((_ extract 30 23) ULTIMATE.start___ieee754_powf_~hy~1) ((_ extract 22 0) ULTIMATE.start___ieee754_powf_~hy~1)) (_ +zero 8 24))) (exists ((ULTIMATE.start___ieee754_powf_~hy~1 (_ BitVec 32))) (and (not (fp.eq (fp ((_ extract 31 31) ULTIMATE.start___ieee754_powf_~hy~1) ((_ extract 30 23) ULTIMATE.start___ieee754_powf_~hy~1) ((_ extract 22 0) ULTIMATE.start___ieee754_powf_~hy~1)) (_ +zero 8 24))) (= ULTIMATE.start___ieee754_powf_~iy~2 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_powf_~hy~1)))) (exists ((ULTIMATE.start___ieee754_powf_~hx~3 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_powf_~hx~3) ((_ extract 30 23) ULTIMATE.start___ieee754_powf_~hx~3) ((_ extract 22 0) ULTIMATE.start___ieee754_powf_~hx~3))) (= (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_powf_~hx~3) ULTIMATE.start___ieee754_powf_~ix~5))) (not (fp.eq ULTIMATE.start___ieee754_powf_~y (_ +zero 8 24))) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24)) ULTIMATE.start___ieee754_powf_~x))) [2020-11-29 23:32:17,383 INFO L274 CegarLoopResult]: For program point L552-1(lines 552 556) no Hoare annotation was computed. [2020-11-29 23:32:17,383 INFO L270 CegarLoopResult]: At program point L552-2(lines 552 556) the Hoare annotation is: false [2020-11-29 23:32:17,383 INFO L274 CegarLoopResult]: For program point L354(lines 354 355) no Hoare annotation was computed. [2020-11-29 23:32:17,383 INFO L274 CegarLoopResult]: For program point L387-1(lines 387 391) no Hoare annotation was computed. [2020-11-29 23:32:17,384 INFO L270 CegarLoopResult]: At program point L387-2(lines 387 391) the Hoare annotation is: false [2020-11-29 23:32:17,384 INFO L274 CegarLoopResult]: For program point L189(lines 189 193) no Hoare annotation was computed. [2020-11-29 23:32:17,384 INFO L274 CegarLoopResult]: For program point L189-1(lines 177 195) no Hoare annotation was computed. [2020-11-29 23:32:17,384 INFO L274 CegarLoopResult]: For program point L123(lines 123 124) no Hoare annotation was computed. [2020-11-29 23:32:17,384 INFO L274 CegarLoopResult]: For program point L189-2(lines 189 193) no Hoare annotation was computed. [2020-11-29 23:32:17,384 INFO L274 CegarLoopResult]: For program point L189-3(lines 189 193) no Hoare annotation was computed. [2020-11-29 23:32:17,384 INFO L274 CegarLoopResult]: For program point L189-4(lines 177 195) no Hoare annotation was computed. [2020-11-29 23:32:17,385 INFO L274 CegarLoopResult]: For program point L189-5(lines 189 193) no Hoare annotation was computed. [2020-11-29 23:32:17,385 INFO L274 CegarLoopResult]: For program point L189-6(lines 189 193) no Hoare annotation was computed. [2020-11-29 23:32:17,385 INFO L274 CegarLoopResult]: For program point L189-7(lines 177 195) no Hoare annotation was computed. [2020-11-29 23:32:17,385 INFO L274 CegarLoopResult]: For program point L189-8(lines 189 193) no Hoare annotation was computed. [2020-11-29 23:32:17,385 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 23:32:17,385 INFO L274 CegarLoopResult]: For program point L488-1(lines 488 492) no Hoare annotation was computed. [2020-11-29 23:32:17,385 INFO L270 CegarLoopResult]: At program point L488-2(lines 488 492) the Hoare annotation is: false [2020-11-29 23:32:17,387 INFO L274 CegarLoopResult]: For program point L224(lines 224 225) no Hoare annotation was computed. [2020-11-29 23:32:17,387 INFO L274 CegarLoopResult]: For program point L158(lines 158 167) no Hoare annotation was computed. [2020-11-29 23:32:17,387 INFO L274 CegarLoopResult]: For program point L522(lines 522 534) no Hoare annotation was computed. [2020-11-29 23:32:17,387 INFO L274 CegarLoopResult]: For program point L126(lines 126 127) no Hoare annotation was computed. [2020-11-29 23:32:17,387 INFO L270 CegarLoopResult]: At program point L589(line 589) the Hoare annotation is: (and (= |ULTIMATE.start___ieee754_powf_#res| (_ NaN 8 24)) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24)) ULTIMATE.start_main_~x~0)) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_powf_~hx~3) ((_ extract 30 23) ULTIMATE.start___ieee754_powf_~hx~3) ((_ extract 22 0) ULTIMATE.start___ieee754_powf_~hx~3)))) (not (fp.eq (fp ((_ extract 31 31) ULTIMATE.start___ieee754_powf_~hy~1) ((_ extract 30 23) ULTIMATE.start___ieee754_powf_~hy~1) ((_ extract 22 0) ULTIMATE.start___ieee754_powf_~hy~1)) (_ +zero 8 24))) (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|) (exists ((ULTIMATE.start___ieee754_powf_~hy~1 (_ BitVec 32))) (and (not (fp.eq (fp ((_ extract 31 31) ULTIMATE.start___ieee754_powf_~hy~1) ((_ extract 30 23) ULTIMATE.start___ieee754_powf_~hy~1) ((_ extract 22 0) ULTIMATE.start___ieee754_powf_~hy~1)) (_ +zero 8 24))) (= ULTIMATE.start___ieee754_powf_~iy~2 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_powf_~hy~1)))) (exists ((ULTIMATE.start___ieee754_powf_~hx~3 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_powf_~hx~3) ((_ extract 30 23) ULTIMATE.start___ieee754_powf_~hx~3) ((_ extract 22 0) ULTIMATE.start___ieee754_powf_~hx~3))) (= (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_powf_~hx~3) ULTIMATE.start___ieee754_powf_~ix~5))) (not (fp.eq ULTIMATE.start___ieee754_powf_~y (_ +zero 8 24))) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24)) ULTIMATE.start___ieee754_powf_~x))) [2020-11-29 23:32:17,388 INFO L274 CegarLoopResult]: For program point L523(lines 523 527) no Hoare annotation was computed. [2020-11-29 23:32:17,388 INFO L274 CegarLoopResult]: For program point L424(lines 424 428) no Hoare annotation was computed. [2020-11-29 23:32:17,388 INFO L274 CegarLoopResult]: For program point L424-1(lines 398 499) no Hoare annotation was computed. [2020-11-29 23:32:17,388 INFO L274 CegarLoopResult]: For program point L424-2(lines 424 428) no Hoare annotation was computed. [2020-11-29 23:32:17,388 INFO L274 CegarLoopResult]: For program point L259(lines 259 263) no Hoare annotation was computed. [2020-11-29 23:32:17,388 INFO L274 CegarLoopResult]: For program point L259-1(lines 252 265) no Hoare annotation was computed. [2020-11-29 23:32:17,388 INFO L274 CegarLoopResult]: For program point L259-2(lines 259 263) no Hoare annotation was computed. [2020-11-29 23:32:17,388 INFO L274 CegarLoopResult]: For program point L160(lines 160 166) no Hoare annotation was computed. [2020-11-29 23:32:17,389 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 23:32:17,389 INFO L274 CegarLoopResult]: For program point L557(lines 557 561) no Hoare annotation was computed. [2020-11-29 23:32:17,389 INFO L274 CegarLoopResult]: For program point L557-1(lines 297 586) no Hoare annotation was computed. [2020-11-29 23:32:17,390 INFO L274 CegarLoopResult]: For program point L557-2(lines 557 561) no Hoare annotation was computed. [2020-11-29 23:32:17,393 INFO L274 CegarLoopResult]: For program point L458-1(lines 458 462) no Hoare annotation was computed. [2020-11-29 23:32:17,393 INFO L274 CegarLoopResult]: For program point L392(lines 392 396) no Hoare annotation was computed. [2020-11-29 23:32:17,393 INFO L270 CegarLoopResult]: At program point L458-2(lines 458 462) the Hoare annotation is: false [2020-11-29 23:32:17,393 INFO L274 CegarLoopResult]: For program point L392-1(lines 375 398) no Hoare annotation was computed. [2020-11-29 23:32:17,393 INFO L274 CegarLoopResult]: For program point L326(lines 326 335) no Hoare annotation was computed. [2020-11-29 23:32:17,394 INFO L274 CegarLoopResult]: For program point L392-2(lines 392 396) no Hoare annotation was computed. [2020-11-29 23:32:17,394 INFO L274 CegarLoopResult]: For program point L326-1(lines 297 586) no Hoare annotation was computed. [2020-11-29 23:32:17,395 INFO L270 CegarLoopResult]: At program point L194(lines 177 195) the Hoare annotation is: false [2020-11-29 23:32:17,395 INFO L270 CegarLoopResult]: At program point L194-1(lines 177 195) the Hoare annotation is: false [2020-11-29 23:32:17,395 INFO L274 CegarLoopResult]: For program point L128(lines 128 129) no Hoare annotation was computed. [2020-11-29 23:32:17,395 INFO L270 CegarLoopResult]: At program point L194-2(lines 177 195) the Hoare annotation is: false [2020-11-29 23:32:17,395 INFO L274 CegarLoopResult]: For program point L525(lines 525 527) no Hoare annotation was computed. [2020-11-29 23:32:17,395 INFO L274 CegarLoopResult]: For program point L360(lines 360 371) no Hoare annotation was computed. [2020-11-29 23:32:17,395 INFO L274 CegarLoopResult]: For program point L327(lines 327 334) no Hoare annotation was computed. [2020-11-29 23:32:17,396 INFO L274 CegarLoopResult]: For program point L228(lines 228 229) no Hoare annotation was computed. [2020-11-29 23:32:17,396 INFO L274 CegarLoopResult]: For program point L162(lines 162 165) no Hoare annotation was computed. [2020-11-29 23:32:17,396 INFO L274 CegarLoopResult]: For program point L526(lines 526 527) no Hoare annotation was computed. [2020-11-29 23:32:17,397 INFO L274 CegarLoopResult]: For program point L493(lines 493 497) no Hoare annotation was computed. [2020-11-29 23:32:17,397 INFO L274 CegarLoopResult]: For program point L493-1(lines 398 499) no Hoare annotation was computed. [2020-11-29 23:32:17,397 INFO L274 CegarLoopResult]: For program point L493-2(lines 493 497) no Hoare annotation was computed. [2020-11-29 23:32:17,397 INFO L274 CegarLoopResult]: For program point L362(lines 362 363) no Hoare annotation was computed. [2020-11-29 23:32:17,397 INFO L274 CegarLoopResult]: For program point L329(lines 329 334) no Hoare annotation was computed. [2020-11-29 23:32:17,398 INFO L274 CegarLoopResult]: For program point L362-2(lines 360 371) no Hoare annotation was computed. [2020-11-29 23:32:17,398 INFO L274 CegarLoopResult]: For program point L230(lines 230 237) no Hoare annotation was computed. [2020-11-29 23:32:17,404 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 23:32:17,404 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 23:32:17,405 INFO L270 CegarLoopResult]: At program point L264(lines 252 265) the Hoare annotation is: false [2020-11-29 23:32:17,405 INFO L274 CegarLoopResult]: For program point L231-1(lines 231 235) no Hoare annotation was computed. [2020-11-29 23:32:17,405 INFO L270 CegarLoopResult]: At program point L231-2(lines 231 235) the Hoare annotation is: false [2020-11-29 23:32:17,405 INFO L274 CegarLoopResult]: For program point L132(lines 132 136) no Hoare annotation was computed. [2020-11-29 23:32:17,405 INFO L274 CegarLoopResult]: For program point L231-3(lines 231 235) no Hoare annotation was computed. [2020-11-29 23:32:17,405 INFO L274 CegarLoopResult]: For program point L132-2(lines 132 136) no Hoare annotation was computed. [2020-11-29 23:32:17,405 INFO L274 CegarLoopResult]: For program point L529(lines 529 533) no Hoare annotation was computed. [2020-11-29 23:32:17,405 INFO L274 CegarLoopResult]: For program point L463(lines 463 467) no Hoare annotation was computed. [2020-11-29 23:32:17,406 INFO L274 CegarLoopResult]: For program point L463-1(lines 398 499) no Hoare annotation was computed. [2020-11-29 23:32:17,406 INFO L274 CegarLoopResult]: For program point L463-2(lines 463 467) no Hoare annotation was computed. [2020-11-29 23:32:17,406 INFO L274 CegarLoopResult]: For program point L364(lines 364 369) no Hoare annotation was computed. [2020-11-29 23:32:17,406 INFO L274 CegarLoopResult]: For program point L133-2(lines 133 134) no Hoare annotation was computed. [2020-11-29 23:32:17,406 INFO L270 CegarLoopResult]: At program point L133-3(lines 133 134) the Hoare annotation is: false [2020-11-29 23:32:17,406 INFO L274 CegarLoopResult]: For program point L133-4(lines 133 134) no Hoare annotation was computed. [2020-11-29 23:32:17,406 INFO L274 CegarLoopResult]: For program point L365(lines 365 368) no Hoare annotation was computed. [2020-11-29 23:32:17,406 INFO L274 CegarLoopResult]: For program point L332(lines 332 333) no Hoare annotation was computed. [2020-11-29 23:32:17,419 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-29 23:32:17,420 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-29 23:32:17,421 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] [2020-11-29 23:32:17,421 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] [2020-11-29 23:32:17,421 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] [2020-11-29 23:32:17,421 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] [2020-11-29 23:32:17,422 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-29 23:32:17,422 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] [2020-11-29 23:32:17,422 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] [2020-11-29 23:32:17,423 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] [2020-11-29 23:32:17,423 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] [2020-11-29 23:32:17,423 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-29 23:32:17,436 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-29 23:32:17,436 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-29 23:32:17,436 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] [2020-11-29 23:32:17,436 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] [2020-11-29 23:32:17,437 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] [2020-11-29 23:32:17,437 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] [2020-11-29 23:32:17,437 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-29 23:32:17,437 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] [2020-11-29 23:32:17,437 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] [2020-11-29 23:32:17,437 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] [2020-11-29 23:32:17,438 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] [2020-11-29 23:32:17,438 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-29 23:32:17,439 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-29 23:32:17,439 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-29 23:32:17,440 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-29 23:32:17,440 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-29 23:32:17,444 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-29 23:32:17,444 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-29 23:32:17,445 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] [2020-11-29 23:32:17,445 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] [2020-11-29 23:32:17,445 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] [2020-11-29 23:32:17,445 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] [2020-11-29 23:32:17,445 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-29 23:32:17,446 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] [2020-11-29 23:32:17,446 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] [2020-11-29 23:32:17,446 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] [2020-11-29 23:32:17,446 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] [2020-11-29 23:32:17,446 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-29 23:32:17,455 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-29 23:32:17,455 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-29 23:32:17,455 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] [2020-11-29 23:32:17,456 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] [2020-11-29 23:32:17,456 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] [2020-11-29 23:32:17,456 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] [2020-11-29 23:32:17,456 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-29 23:32:17,456 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] [2020-11-29 23:32:17,457 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] [2020-11-29 23:32:17,457 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] [2020-11-29 23:32:17,457 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] [2020-11-29 23:32:17,457 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-29 23:32:17,463 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 11:32:17 BoogieIcfgContainer [2020-11-29 23:32:17,463 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 23:32:17,464 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 23:32:17,464 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 23:32:17,464 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 23:32:17,465 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:32:06" (3/4) ... [2020-11-29 23:32:17,468 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 23:32:17,495 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-11-29 23:32:17,496 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2020-11-29 23:32:17,496 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 23:32:17,497 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 23:32:17,526 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x) && !~fp.eq~FLOAT(y, ~Pluszero~LONGDOUBLE())) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x) [2020-11-29 23:32:17,605 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_f39ae6b7-831e-4291-bf91-2eadb170bdb0/bin/uautomizer/witness.graphml [2020-11-29 23:32:17,606 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 23:32:17,607 INFO L168 Benchmark]: Toolchain (without parser) took 31198.38 ms. Allocated memory was 48.2 MB in the beginning and 81.8 MB in the end (delta: 33.6 MB). Free memory was 25.3 MB in the beginning and 29.7 MB in the end (delta: -4.4 MB). Peak memory consumption was 28.8 MB. Max. memory is 16.1 GB. [2020-11-29 23:32:17,608 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 48.2 MB. Free memory was 30.2 MB in the beginning and 30.1 MB in the end (delta: 63.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 23:32:17,608 INFO L168 Benchmark]: CACSL2BoogieTranslator took 602.34 ms. Allocated memory was 48.2 MB in the beginning and 67.1 MB in the end (delta: 18.9 MB). Free memory was 25.2 MB in the beginning and 40.9 MB in the end (delta: -15.7 MB). Peak memory consumption was 5.3 MB. Max. memory is 16.1 GB. [2020-11-29 23:32:17,609 INFO L168 Benchmark]: Boogie Procedure Inliner took 141.34 ms. Allocated memory is still 67.1 MB. Free memory was 40.9 MB in the beginning and 35.7 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-29 23:32:17,609 INFO L168 Benchmark]: Boogie Preprocessor took 126.04 ms. Allocated memory is still 67.1 MB. Free memory was 35.7 MB in the beginning and 46.7 MB in the end (delta: -11.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 16.1 GB. [2020-11-29 23:32:17,609 INFO L168 Benchmark]: RCFGBuilder took 19381.27 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 46.7 MB in the beginning and 44.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 30.5 MB. Max. memory is 16.1 GB. [2020-11-29 23:32:17,610 INFO L168 Benchmark]: TraceAbstraction took 10797.73 ms. Allocated memory is still 81.8 MB. Free memory was 44.2 MB in the beginning and 43.6 MB in the end (delta: 610.0 kB). Peak memory consumption was 21.3 MB. Max. memory is 16.1 GB. [2020-11-29 23:32:17,610 INFO L168 Benchmark]: Witness Printer took 141.75 ms. Allocated memory is still 81.8 MB. Free memory was 42.9 MB in the beginning and 29.7 MB in the end (delta: 13.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-29 23:32:17,612 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 48.2 MB. Free memory was 30.2 MB in the beginning and 30.1 MB in the end (delta: 63.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 602.34 ms. Allocated memory was 48.2 MB in the beginning and 67.1 MB in the end (delta: 18.9 MB). Free memory was 25.2 MB in the beginning and 40.9 MB in the end (delta: -15.7 MB). Peak memory consumption was 5.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 141.34 ms. Allocated memory is still 67.1 MB. Free memory was 40.9 MB in the beginning and 35.7 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 126.04 ms. Allocated memory is still 67.1 MB. Free memory was 35.7 MB in the beginning and 46.7 MB in the end (delta: -11.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 16.1 GB. * RCFGBuilder took 19381.27 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 46.7 MB in the beginning and 44.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 30.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 10797.73 ms. Allocated memory is still 81.8 MB. Free memory was 44.2 MB in the beginning and 43.6 MB in the end (delta: 610.0 kB). Peak memory consumption was 21.3 MB. Max. memory is 16.1 GB. * Witness Printer took 141.75 ms. Allocated memory is still 81.8 MB. Free memory was 42.9 MB in the beginning and 29.7 MB in the end (delta: 13.2 MB). Peak memory consumption was 12.6 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[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,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[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,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[currentRoundingMode,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[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,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[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,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[currentRoundingMode,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[currentRoundingMode,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[currentRoundingMode,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[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,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[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,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[currentRoundingMode,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[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,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[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 254]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 387]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 245]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 297]: Loop Invariant [2020-11-29 23:32:17,630 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-29 23:32:17,631 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-29 23:32:17,632 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] [2020-11-29 23:32:17,632 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] [2020-11-29 23:32:17,632 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] [2020-11-29 23:32:17,632 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] [2020-11-29 23:32:17,632 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-29 23:32:17,633 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] [2020-11-29 23:32:17,633 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] [2020-11-29 23:32:17,633 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] [2020-11-29 23:32:17,633 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] [2020-11-29 23:32:17,633 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-29 23:32:17,634 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-29 23:32:17,635 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-29 23:32:17,635 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] [2020-11-29 23:32:17,635 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] [2020-11-29 23:32:17,636 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] [2020-11-29 23:32:17,636 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] [2020-11-29 23:32:17,637 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-29 23:32:17,638 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] [2020-11-29 23:32:17,638 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] [2020-11-29 23:32:17,638 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] [2020-11-29 23:32:17,638 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] [2020-11-29 23:32:17,638 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: ((((((\result == ~NaN~LONGDOUBLE() && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x)) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]))) && !~fp.eq~FLOAT(~fp~LONGDOUBLE(hy[31:31], hy[30:23], hy[22:0]), ~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_powf_~hy~1 : bv32 :: !~fp.eq~FLOAT(~fp~LONGDOUBLE(ULTIMATE.start___ieee754_powf_~hy~1[31:31], ULTIMATE.start___ieee754_powf_~hy~1[30:23], ULTIMATE.start___ieee754_powf_~hy~1[22:0]), ~Pluszero~LONGDOUBLE()) && iy == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_powf_~hy~1))) && (\exists ULTIMATE.start___ieee754_powf_~hx~3 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_powf_~hx~3[31:31], ULTIMATE.start___ieee754_powf_~hx~3[30:23], ULTIMATE.start___ieee754_powf_~hx~3[22:0]) && ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_powf_~hx~3) == ix)) && !~fp.eq~FLOAT(y, ~Pluszero~LONGDOUBLE())) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x) - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 591]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 303]: Loop Invariant [2020-11-29 23:32:17,641 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-29 23:32:17,641 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-29 23:32:17,641 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-29 23:32:17,641 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: ((\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x) && !~fp.eq~FLOAT(y, ~Pluszero~LONGDOUBLE())) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x) - InvariantResult [Line: 488]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 552]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 541]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 433]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 571]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 589]: Loop Invariant [2020-11-29 23:32:17,643 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-29 23:32:17,644 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-29 23:32:17,644 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] [2020-11-29 23:32:17,644 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] [2020-11-29 23:32:17,644 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] [2020-11-29 23:32:17,644 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] [2020-11-29 23:32:17,646 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-29 23:32:17,646 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] [2020-11-29 23:32:17,646 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] [2020-11-29 23:32:17,646 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] [2020-11-29 23:32:17,646 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] [2020-11-29 23:32:17,647 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-29 23:32:17,647 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-29 23:32:17,648 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-29 23:32:17,648 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] [2020-11-29 23:32:17,648 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] [2020-11-29 23:32:17,648 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] [2020-11-29 23:32:17,648 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] [2020-11-29 23:32:17,648 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-29 23:32:17,649 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] [2020-11-29 23:32:17,649 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] [2020-11-29 23:32:17,649 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] [2020-11-29 23:32:17,649 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] [2020-11-29 23:32:17,649 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: (((((((\result == ~NaN~LONGDOUBLE() && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x)) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]))) && !~fp.eq~FLOAT(~fp~LONGDOUBLE(hy[31:31], hy[30:23], hy[22:0]), ~Pluszero~LONGDOUBLE())) && 1bv32 == \result) && (\exists ULTIMATE.start___ieee754_powf_~hy~1 : bv32 :: !~fp.eq~FLOAT(~fp~LONGDOUBLE(ULTIMATE.start___ieee754_powf_~hy~1[31:31], ULTIMATE.start___ieee754_powf_~hy~1[30:23], ULTIMATE.start___ieee754_powf_~hy~1[22:0]), ~Pluszero~LONGDOUBLE()) && iy == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_powf_~hy~1))) && (\exists ULTIMATE.start___ieee754_powf_~hx~3 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_powf_~hx~3[31:31], ULTIMATE.start___ieee754_powf_~hx~3[30:23], ULTIMATE.start___ieee754_powf_~hx~3[22:0]) && ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_powf_~hx~3) == ix)) && !~fp.eq~FLOAT(y, ~Pluszero~LONGDOUBLE())) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x) - InvariantResult [Line: 147]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 516]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 580]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 472]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 252]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 405]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 205]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 201 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.0s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 3.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 502 SDtfs, 1053 SDslu, 68 SDs, 0 SdLazy, 53 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 107 GetRequests, 80 SyntacticMatches, 3 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=201occurred 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, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 33 LocationsWithAnnotation, 33 PreInvPairs, 37 NumberOfFragments, 214 HoareAnnotationTreeSize, 33 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 33 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 3.6s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 54 NumberOfCodeBlocks, 54 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 100 ConstructedInterpolants, 12 QuantifiedInterpolants, 5074 SizeOfPredicates, 20 NumberOfNonLiveVariables, 496 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...