./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0250b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_c9164236-efaf-4e56-ad26-a165065fd463/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_c9164236-efaf-4e56-ad26-a165065fd463/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c9164236-efaf-4e56-ad26-a165065fd463/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c9164236-efaf-4e56-ad26-a165065fd463/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0250b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_c9164236-efaf-4e56-ad26-a165065fd463/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c9164236-efaf-4e56-ad26-a165065fd463/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 39349bcd6d6e3e13e2e60f74e428da8f726f5bed .................................................................................................................................................................................................................................................................................................................................. 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_c9164236-efaf-4e56-ad26-a165065fd463/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_c9164236-efaf-4e56-ad26-a165065fd463/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c9164236-efaf-4e56-ad26-a165065fd463/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c9164236-efaf-4e56-ad26-a165065fd463/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0250b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_c9164236-efaf-4e56-ad26-a165065fd463/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c9164236-efaf-4e56-ad26-a165065fd463/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 39349bcd6d6e3e13e2e60f74e428da8f726f5bed ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2020-12-09 19:32:05,638 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 19:32:05,640 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 19:32:05,661 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 19:32:05,661 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 19:32:05,662 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 19:32:05,663 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 19:32:05,665 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 19:32:05,666 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 19:32:05,667 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 19:32:05,668 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 19:32:05,669 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 19:32:05,670 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 19:32:05,670 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 19:32:05,671 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 19:32:05,672 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 19:32:05,673 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 19:32:05,674 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 19:32:05,676 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 19:32:05,678 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 19:32:05,679 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 19:32:05,680 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 19:32:05,681 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 19:32:05,682 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 19:32:05,684 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 19:32:05,685 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 19:32:05,685 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 19:32:05,686 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 19:32:05,686 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 19:32:05,687 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 19:32:05,687 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 19:32:05,688 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 19:32:05,688 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 19:32:05,689 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 19:32:05,690 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 19:32:05,690 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 19:32:05,690 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 19:32:05,691 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 19:32:05,691 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 19:32:05,691 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 19:32:05,692 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 19:32:05,692 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c9164236-efaf-4e56-ad26-a165065fd463/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-12-09 19:32:05,709 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 19:32:05,709 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 19:32:05,710 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 19:32:05,710 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 19:32:05,710 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 19:32:05,710 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 19:32:05,710 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 19:32:05,711 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 19:32:05,711 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 19:32:05,711 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 19:32:05,711 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 19:32:05,711 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 19:32:05,711 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 19:32:05,711 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 19:32:05,711 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 19:32:05,712 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 19:32:05,712 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 19:32:05,712 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 19:32:05,712 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 19:32:05,712 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 19:32:05,712 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 19:32:05,712 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 19:32:05,713 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 19:32:05,713 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 19:32:05,713 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 19:32:05,713 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 19:32:05,713 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 19:32:05,713 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 19:32:05,713 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 19:32:05,713 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 19:32:05,713 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 19:32:05,714 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 19:32:05,714 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 19:32:05,714 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 19:32:05,714 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 19:32:05,714 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 19:32:05,714 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 19:32:05,714 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 19:32:05,714 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 19:32:05,714 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_c9164236-efaf-4e56-ad26-a165065fd463/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_c9164236-efaf-4e56-ad26-a165065fd463/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 39349bcd6d6e3e13e2e60f74e428da8f726f5bed [2020-12-09 19:32:05,889 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 19:32:05,905 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 19:32:05,908 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 19:32:05,909 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 19:32:05,910 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 19:32:05,910 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c9164236-efaf-4e56-ad26-a165065fd463/bin/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0250b.c [2020-12-09 19:32:05,955 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c9164236-efaf-4e56-ad26-a165065fd463/bin/utaipan/data/6c0d28693/f6f7526805404404bff2a7daa241e97c/FLAG6388f8f48 [2020-12-09 19:32:06,324 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 19:32:06,324 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c9164236-efaf-4e56-ad26-a165065fd463/sv-benchmarks/c/float-newlib/double_req_bl_0250b.c [2020-12-09 19:32:06,330 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c9164236-efaf-4e56-ad26-a165065fd463/bin/utaipan/data/6c0d28693/f6f7526805404404bff2a7daa241e97c/FLAG6388f8f48 [2020-12-09 19:32:06,340 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c9164236-efaf-4e56-ad26-a165065fd463/bin/utaipan/data/6c0d28693/f6f7526805404404bff2a7daa241e97c [2020-12-09 19:32:06,342 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 19:32:06,343 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 19:32:06,344 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 19:32:06,344 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 19:32:06,346 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 19:32:06,347 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:32:06" (1/1) ... [2020-12-09 19:32:06,348 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cb1b6b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:32:06, skipping insertion in model container [2020-12-09 19:32:06,348 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:32:06" (1/1) ... [2020-12-09 19:32:06,353 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 19:32:06,372 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 19:32:06,539 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_c9164236-efaf-4e56-ad26-a165065fd463/sv-benchmarks/c/float-newlib/double_req_bl_0250b.c[5947,5960] [2020-12-09 19:32:06,541 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 19:32:06,548 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 19:32:06,603 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_c9164236-efaf-4e56-ad26-a165065fd463/sv-benchmarks/c/float-newlib/double_req_bl_0250b.c[5947,5960] [2020-12-09 19:32:06,604 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 19:32:06,615 INFO L208 MainTranslator]: Completed translation [2020-12-09 19:32:06,615 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:32:06 WrapperNode [2020-12-09 19:32:06,615 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 19:32:06,616 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 19:32:06,616 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 19:32:06,616 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 19:32:06,622 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:32:06" (1/1) ... [2020-12-09 19:32:06,634 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:32:06" (1/1) ... [2020-12-09 19:32:06,661 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 19:32:06,662 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 19:32:06,662 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 19:32:06,662 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 19:32:06,668 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:32:06" (1/1) ... [2020-12-09 19:32:06,668 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:32:06" (1/1) ... [2020-12-09 19:32:06,672 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:32:06" (1/1) ... [2020-12-09 19:32:06,672 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:32:06" (1/1) ... [2020-12-09 19:32:06,681 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:32:06" (1/1) ... [2020-12-09 19:32:06,686 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:32:06" (1/1) ... [2020-12-09 19:32:06,689 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:32:06" (1/1) ... [2020-12-09 19:32:06,692 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 19:32:06,692 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 19:32:06,693 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 19:32:06,693 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 19:32:06,693 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:32:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9164236-efaf-4e56-ad26-a165065fd463/bin/utaipan/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 [2020-12-09 19:32:06,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-09 19:32:06,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 19:32:06,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-12-09 19:32:06,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-09 19:32:06,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-12-09 19:32:06,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 19:32:06,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 19:32:06,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-09 19:32:06,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-09 19:32:07,440 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 19:32:07,440 INFO L299 CfgBuilder]: Removed 30 assume(true) statements. [2020-12-09 19:32:07,442 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:32:07 BoogieIcfgContainer [2020-12-09 19:32:07,443 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 19:32:07,444 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 19:32:07,445 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 19:32:07,448 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 19:32:07,448 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 07:32:06" (1/3) ... [2020-12-09 19:32:07,448 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f21d96b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:32:07, skipping insertion in model container [2020-12-09 19:32:07,449 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:32:06" (2/3) ... [2020-12-09 19:32:07,449 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f21d96b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:32:07, skipping insertion in model container [2020-12-09 19:32:07,449 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:32:07" (3/3) ... [2020-12-09 19:32:07,450 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0250b.c [2020-12-09 19:32:07,463 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 19:32:07,466 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-09 19:32:07,473 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-09 19:32:07,490 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 19:32:07,490 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 19:32:07,490 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 19:32:07,490 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 19:32:07,490 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 19:32:07,490 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 19:32:07,490 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 19:32:07,490 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 19:32:07,500 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states. [2020-12-09 19:32:07,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-09 19:32:07,503 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:32:07,504 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 19:32:07,504 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 19:32:07,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:32:07,508 INFO L82 PathProgramCache]: Analyzing trace with hash -913016699, now seen corresponding path program 1 times [2020-12-09 19:32:07,514 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 19:32:07,514 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317815712] [2020-12-09 19:32:07,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 19:32:07,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:32:07,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 19:32:07,611 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317815712] [2020-12-09 19:32:07,611 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 19:32:07,612 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 19:32:07,612 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305295870] [2020-12-09 19:32:07,615 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-09 19:32:07,615 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 19:32:07,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-09 19:32:07,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-09 19:32:07,626 INFO L87 Difference]: Start difference. First operand 45 states. Second operand 2 states. [2020-12-09 19:32:07,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:32:07,640 INFO L93 Difference]: Finished difference Result 89 states and 145 transitions. [2020-12-09 19:32:07,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-09 19:32:07,641 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2020-12-09 19:32:07,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:32:07,647 INFO L225 Difference]: With dead ends: 89 [2020-12-09 19:32:07,648 INFO L226 Difference]: Without dead ends: 43 [2020-12-09 19:32:07,650 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-09 19:32:07,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-12-09 19:32:07,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2020-12-09 19:32:07,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-12-09 19:32:07,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 56 transitions. [2020-12-09 19:32:07,675 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 56 transitions. Word has length 9 [2020-12-09 19:32:07,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:32:07,675 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 56 transitions. [2020-12-09 19:32:07,675 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-09 19:32:07,675 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 56 transitions. [2020-12-09 19:32:07,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-09 19:32:07,676 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:32:07,676 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 19:32:07,676 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-09 19:32:07,676 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 19:32:07,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:32:07,677 INFO L82 PathProgramCache]: Analyzing trace with hash -1298869376, now seen corresponding path program 1 times [2020-12-09 19:32:07,677 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 19:32:07,677 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831494348] [2020-12-09 19:32:07,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 19:32:07,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-09 19:32:07,710 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-09 19:32:07,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-09 19:32:07,731 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-09 19:32:07,749 INFO L173 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2020-12-09 19:32:07,749 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-09 19:32:07,750 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-09 19:32:07,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 07:32:07 BoogieIcfgContainer [2020-12-09 19:32:07,776 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 19:32:07,777 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 19:32:07,777 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 19:32:07,777 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 19:32:07,777 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:32:07" (3/4) ... [2020-12-09 19:32:07,780 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-09 19:32:07,781 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 19:32:07,783 INFO L168 Benchmark]: Toolchain (without parser) took 1438.60 ms. Allocated memory was 111.1 MB in the beginning and 142.6 MB in the end (delta: 31.5 MB). Free memory was 68.9 MB in the beginning and 81.8 MB in the end (delta: -12.9 MB). Peak memory consumption was 20.3 MB. Max. memory is 16.1 GB. [2020-12-09 19:32:07,783 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 111.1 MB. Free memory is still 85.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 19:32:07,784 INFO L168 Benchmark]: CACSL2BoogieTranslator took 271.50 ms. Allocated memory is still 111.1 MB. Free memory was 68.8 MB in the beginning and 87.9 MB in the end (delta: -19.1 MB). Peak memory consumption was 7.4 MB. Max. memory is 16.1 GB. [2020-12-09 19:32:07,785 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.61 ms. Allocated memory is still 111.1 MB. Free memory was 87.9 MB in the beginning and 85.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-09 19:32:07,785 INFO L168 Benchmark]: Boogie Preprocessor took 30.09 ms. Allocated memory is still 111.1 MB. Free memory was 85.3 MB in the beginning and 82.9 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 19:32:07,786 INFO L168 Benchmark]: RCFGBuilder took 750.23 ms. Allocated memory was 111.1 MB in the beginning and 142.6 MB in the end (delta: 31.5 MB). Free memory was 82.9 MB in the beginning and 107.6 MB in the end (delta: -24.7 MB). Peak memory consumption was 39.4 MB. Max. memory is 16.1 GB. [2020-12-09 19:32:07,787 INFO L168 Benchmark]: TraceAbstraction took 331.71 ms. Allocated memory is still 142.6 MB. Free memory was 107.0 MB in the beginning and 82.5 MB in the end (delta: 24.5 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2020-12-09 19:32:07,787 INFO L168 Benchmark]: Witness Printer took 4.06 ms. Allocated memory is still 142.6 MB. Free memory was 82.5 MB in the beginning and 81.8 MB in the end (delta: 656.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 19:32:07,791 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 111.1 MB. Free memory is still 85.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 271.50 ms. Allocated memory is still 111.1 MB. Free memory was 68.8 MB in the beginning and 87.9 MB in the end (delta: -19.1 MB). Peak memory consumption was 7.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 45.61 ms. Allocated memory is still 111.1 MB. Free memory was 87.9 MB in the beginning and 85.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 30.09 ms. Allocated memory is still 111.1 MB. Free memory was 85.3 MB in the beginning and 82.9 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 750.23 ms. Allocated memory was 111.1 MB in the beginning and 142.6 MB in the end (delta: 31.5 MB). Free memory was 82.9 MB in the beginning and 107.6 MB in the end (delta: -24.7 MB). Peak memory consumption was 39.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 331.71 ms. Allocated memory is still 142.6 MB. Free memory was 107.0 MB in the beginning and 82.5 MB in the end (delta: 24.5 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * Witness Printer took 4.06 ms. Allocated memory is still 142.6 MB. Free memory was 82.5 MB in the beginning and 81.8 MB in the end (delta: 656.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 245]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 154, overapproximation of someBinaryArithmeticDOUBLEoperation at line 189, overapproximation of bitwiseAnd at line 172, overapproximation of someBinaryDOUBLEComparisonOperation at line 19. Possible FailurePath: [L21] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; [L148-L162] static const double one_asin = 1.00000000000000000000e+00, huge_asin = 1.000e+300, pio2_hi_asin = 1.57079632679489655800e+00, pio2_lo_asin = 6.12323399573676603587e-17, pio4_hi_asin = 7.85398163397448278999e-01, pS0_asin = 1.66666666666666657415e-01, pS1_asin = -3.25565818622400915405e-01, pS2_asin = 2.01212532134862925881e-01, pS3_asin = -4.00555345006794114027e-02, pS4_asin = 7.91534994289814532176e-04, pS5_asin = 3.47933107596021167570e-05, qS1_asin = -2.40339491173441421878e+00, qS2_asin = 2.02094576023350569471e+00, qS3_asin = -6.88283971605453293030e-01, qS4_asin = 7.70381505559019352791e-02; [L240] double x = -1.0 / 0.0; [L165] double t, w, p, q, c, r, s; [L166] __int32_t hx, ix; VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L168] ieee_double_shape_type gh_u; [L169] gh_u.value = (x) [L170] EXPR gh_u.parts.msw [L170] (hx) = gh_u.parts.msw [L172] ix = hx & 0x7fffffff VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L173] COND FALSE !(ix >= 0x3ff00000) VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L184] COND TRUE ix < 0x3fe00000 VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L185] COND FALSE !(ix < 0x3e400000) [L189] t = x * x [L190-L193] p = t * (pS0_asin + t * (pS1_asin + t * (pS2_asin + t * (pS3_asin + t * (pS4_asin + t * pS5_asin))))) [L194-L195] q = one_asin + t * (qS1_asin + t * (qS2_asin + t * (qS3_asin + t * qS4_asin))) [L196] w = p / q [L197] return x + x * w; VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L241] double res = __ieee754_asin(x); [L19] return x != x; [L244] COND TRUE !isnan_double(res) [L245] reach_error() VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 45 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.2s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 58 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=45occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 64 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2020-12-09 19:32:09,304 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 19:32:09,305 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 19:32:09,326 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 19:32:09,326 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 19:32:09,327 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 19:32:09,329 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 19:32:09,331 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 19:32:09,332 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 19:32:09,333 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 19:32:09,334 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 19:32:09,335 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 19:32:09,335 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 19:32:09,336 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 19:32:09,337 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 19:32:09,338 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 19:32:09,338 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 19:32:09,339 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 19:32:09,341 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 19:32:09,343 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 19:32:09,344 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 19:32:09,345 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 19:32:09,346 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 19:32:09,347 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 19:32:09,350 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 19:32:09,350 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 19:32:09,350 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 19:32:09,351 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 19:32:09,351 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 19:32:09,352 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 19:32:09,352 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 19:32:09,353 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 19:32:09,354 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 19:32:09,354 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 19:32:09,355 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 19:32:09,355 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 19:32:09,355 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 19:32:09,356 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 19:32:09,356 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 19:32:09,356 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 19:32:09,357 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 19:32:09,357 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c9164236-efaf-4e56-ad26-a165065fd463/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-12-09 19:32:09,380 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 19:32:09,380 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 19:32:09,381 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 19:32:09,381 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 19:32:09,381 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 19:32:09,381 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 19:32:09,382 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 19:32:09,382 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 19:32:09,382 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 19:32:09,382 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 19:32:09,382 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 19:32:09,383 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 19:32:09,383 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 19:32:09,383 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 19:32:09,383 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 19:32:09,383 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 19:32:09,383 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 19:32:09,383 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-09 19:32:09,383 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-09 19:32:09,384 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 19:32:09,384 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 19:32:09,384 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 19:32:09,384 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 19:32:09,384 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 19:32:09,384 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-09 19:32:09,384 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 19:32:09,384 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 19:32:09,385 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 19:32:09,385 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 19:32:09,385 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 19:32:09,385 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-09 19:32:09,385 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-09 19:32:09,385 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 19:32:09,385 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 19:32:09,385 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 19:32:09,386 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_c9164236-efaf-4e56-ad26-a165065fd463/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_c9164236-efaf-4e56-ad26-a165065fd463/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 39349bcd6d6e3e13e2e60f74e428da8f726f5bed [2020-12-09 19:32:09,604 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 19:32:09,623 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 19:32:09,626 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 19:32:09,627 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 19:32:09,628 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 19:32:09,629 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c9164236-efaf-4e56-ad26-a165065fd463/bin/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0250b.c [2020-12-09 19:32:09,675 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c9164236-efaf-4e56-ad26-a165065fd463/bin/utaipan/data/c96c85efd/293df8e9e2d04dc189e0efa95f22b639/FLAGef00fc7d5 [2020-12-09 19:32:10,055 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 19:32:10,056 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c9164236-efaf-4e56-ad26-a165065fd463/sv-benchmarks/c/float-newlib/double_req_bl_0250b.c [2020-12-09 19:32:10,063 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c9164236-efaf-4e56-ad26-a165065fd463/bin/utaipan/data/c96c85efd/293df8e9e2d04dc189e0efa95f22b639/FLAGef00fc7d5 [2020-12-09 19:32:10,074 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c9164236-efaf-4e56-ad26-a165065fd463/bin/utaipan/data/c96c85efd/293df8e9e2d04dc189e0efa95f22b639 [2020-12-09 19:32:10,076 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 19:32:10,077 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 19:32:10,078 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 19:32:10,079 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 19:32:10,081 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 19:32:10,081 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:32:10" (1/1) ... [2020-12-09 19:32:10,083 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f8e3fc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:32:10, skipping insertion in model container [2020-12-09 19:32:10,083 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:32:10" (1/1) ... [2020-12-09 19:32:10,088 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 19:32:10,111 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 19:32:10,283 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_c9164236-efaf-4e56-ad26-a165065fd463/sv-benchmarks/c/float-newlib/double_req_bl_0250b.c[5947,5960] [2020-12-09 19:32:10,286 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 19:32:10,298 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 19:32:10,367 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_c9164236-efaf-4e56-ad26-a165065fd463/sv-benchmarks/c/float-newlib/double_req_bl_0250b.c[5947,5960] [2020-12-09 19:32:10,368 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 19:32:10,388 INFO L208 MainTranslator]: Completed translation [2020-12-09 19:32:10,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:32:10 WrapperNode [2020-12-09 19:32:10,389 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 19:32:10,390 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 19:32:10,391 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 19:32:10,391 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 19:32:10,398 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:32:10" (1/1) ... [2020-12-09 19:32:10,413 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:32:10" (1/1) ... [2020-12-09 19:32:10,444 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 19:32:10,445 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 19:32:10,445 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 19:32:10,445 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 19:32:10,453 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:32:10" (1/1) ... [2020-12-09 19:32:10,454 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:32:10" (1/1) ... [2020-12-09 19:32:10,461 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:32:10" (1/1) ... [2020-12-09 19:32:10,462 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:32:10" (1/1) ... [2020-12-09 19:32:10,477 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:32:10" (1/1) ... [2020-12-09 19:32:10,484 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:32:10" (1/1) ... [2020-12-09 19:32:10,489 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:32:10" (1/1) ... [2020-12-09 19:32:10,494 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 19:32:10,495 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 19:32:10,496 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 19:32:10,496 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 19:32:10,496 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:32:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9164236-efaf-4e56-ad26-a165065fd463/bin/utaipan/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 [2020-12-09 19:32:10,566 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-12-09 19:32:10,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-12-09 19:32:10,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-09 19:32:10,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 19:32:10,567 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-09 19:32:10,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 19:32:10,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 19:32:10,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-09 19:32:10,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-09 19:32:32,571 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 19:32:32,571 INFO L299 CfgBuilder]: Removed 30 assume(true) statements. [2020-12-09 19:32:32,573 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:32:32 BoogieIcfgContainer [2020-12-09 19:32:32,573 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 19:32:32,575 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 19:32:32,575 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 19:32:32,578 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 19:32:32,578 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 07:32:10" (1/3) ... [2020-12-09 19:32:32,579 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d78ac97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:32:32, skipping insertion in model container [2020-12-09 19:32:32,579 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:32:10" (2/3) ... [2020-12-09 19:32:32,579 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d78ac97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:32:32, skipping insertion in model container [2020-12-09 19:32:32,579 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:32:32" (3/3) ... [2020-12-09 19:32:32,580 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0250b.c [2020-12-09 19:32:32,592 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 19:32:32,595 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-09 19:32:32,604 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-09 19:32:32,622 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 19:32:32,622 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 19:32:32,622 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 19:32:32,622 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 19:32:32,622 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 19:32:32,622 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 19:32:32,622 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 19:32:32,623 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 19:32:32,631 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states. [2020-12-09 19:32:32,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-09 19:32:32,635 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:32:32,635 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 19:32:32,636 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 19:32:32,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:32:32,640 INFO L82 PathProgramCache]: Analyzing trace with hash 2046089236, now seen corresponding path program 1 times [2020-12-09 19:32:32,648 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 19:32:32,648 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1410097015] [2020-12-09 19:32:32,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9164236-efaf-4e56-ad26-a165065fd463/bin/utaipan/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 [2020-12-09 19:32:33,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:32:33,242 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 1 conjunts are in the unsatisfiable core [2020-12-09 19:32:33,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:32:33,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 19:32:33,269 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 19:32:33,270 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1410097015] [2020-12-09 19:32:33,270 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 19:32:33,270 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 19:32:33,271 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465952608] [2020-12-09 19:32:33,274 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-09 19:32:33,275 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 19:32:33,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-09 19:32:33,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-09 19:32:33,286 INFO L87 Difference]: Start difference. First operand 72 states. Second operand 2 states. [2020-12-09 19:32:33,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:32:33,308 INFO L93 Difference]: Finished difference Result 142 states and 232 transitions. [2020-12-09 19:32:33,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-09 19:32:33,309 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-12-09 19:32:33,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:32:33,318 INFO L225 Difference]: With dead ends: 142 [2020-12-09 19:32:33,318 INFO L226 Difference]: Without dead ends: 69 [2020-12-09 19:32:33,321 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-09 19:32:33,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2020-12-09 19:32:33,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2020-12-09 19:32:33,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2020-12-09 19:32:33,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 95 transitions. [2020-12-09 19:32:33,345 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 95 transitions. Word has length 11 [2020-12-09 19:32:33,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:32:33,346 INFO L481 AbstractCegarLoop]: Abstraction has 69 states and 95 transitions. [2020-12-09 19:32:33,346 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-09 19:32:33,346 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 95 transitions. [2020-12-09 19:32:33,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-09 19:32:33,346 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:32:33,346 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 19:32:33,547 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-09 19:32:33,548 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 19:32:33,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:32:33,550 INFO L82 PathProgramCache]: Analyzing trace with hash -1615635862, now seen corresponding path program 1 times [2020-12-09 19:32:33,553 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 19:32:33,554 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1242044320] [2020-12-09 19:32:33,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9164236-efaf-4e56-ad26-a165065fd463/bin/utaipan/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 [2020-12-09 19:32:37,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:32:37,287 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-09 19:32:37,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:32:37,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 19:32:37,834 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 19:32:37,834 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1242044320] [2020-12-09 19:32:37,835 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 19:32:37,835 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-09 19:32:37,835 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807820025] [2020-12-09 19:32:37,836 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-09 19:32:37,836 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 19:32:37,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-09 19:32:37,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-09 19:32:37,838 INFO L87 Difference]: Start difference. First operand 69 states and 95 transitions. Second operand 5 states. [2020-12-09 19:32:38,187 WARN L197 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2020-12-09 19:32:38,481 WARN L197 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2020-12-09 19:32:41,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:32:41,394 INFO L93 Difference]: Finished difference Result 74 states and 99 transitions. [2020-12-09 19:32:41,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-09 19:32:41,582 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2020-12-09 19:32:41,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:32:41,583 INFO L225 Difference]: With dead ends: 74 [2020-12-09 19:32:41,583 INFO L226 Difference]: Without dead ends: 14 [2020-12-09 19:32:41,584 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-09 19:32:41,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2020-12-09 19:32:41,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2020-12-09 19:32:41,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-12-09 19:32:41,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 13 transitions. [2020-12-09 19:32:41,588 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 13 transitions. Word has length 12 [2020-12-09 19:32:41,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:32:41,588 INFO L481 AbstractCegarLoop]: Abstraction has 14 states and 13 transitions. [2020-12-09 19:32:41,588 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-09 19:32:41,588 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 13 transitions. [2020-12-09 19:32:41,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-09 19:32:41,588 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:32:41,588 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 19:32:41,789 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-09 19:32:41,790 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 19:32:41,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:32:41,793 INFO L82 PathProgramCache]: Analyzing trace with hash -1309739176, now seen corresponding path program 1 times [2020-12-09 19:32:41,795 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 19:32:41,796 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [702823125] [2020-12-09 19:32:41,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9164236-efaf-4e56-ad26-a165065fd463/bin/utaipan/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 [2020-12-09 19:32:42,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:32:42,535 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 11 conjunts are in the unsatisfiable core [2020-12-09 19:32:42,536 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:32:42,860 WARN L197 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2020-12-09 19:32:43,493 WARN L197 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 3 [2020-12-09 19:32:43,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 19:32:43,773 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 19:32:43,773 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [702823125] [2020-12-09 19:32:43,773 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 19:32:43,774 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-09 19:32:43,774 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065913295] [2020-12-09 19:32:43,774 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-09 19:32:43,774 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 19:32:43,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-09 19:32:43,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-12-09 19:32:43,776 INFO L87 Difference]: Start difference. First operand 14 states and 13 transitions. Second operand 7 states. [2020-12-09 19:32:47,211 WARN L197 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2020-12-09 19:32:47,518 WARN L197 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2020-12-09 19:32:47,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:32:47,519 INFO L93 Difference]: Finished difference Result 14 states and 13 transitions. [2020-12-09 19:32:47,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-09 19:32:47,519 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 13 [2020-12-09 19:32:47,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:32:47,520 INFO L225 Difference]: With dead ends: 14 [2020-12-09 19:32:47,520 INFO L226 Difference]: Without dead ends: 0 [2020-12-09 19:32:47,520 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-12-09 19:32:47,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-09 19:32:47,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-09 19:32:47,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-09 19:32:47,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-09 19:32:47,521 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2020-12-09 19:32:47,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:32:47,522 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-09 19:32:47,522 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-09 19:32:47,522 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-09 19:32:47,522 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-09 19:32:47,723 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-09 19:32:47,728 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-09 19:32:48,076 WARN L197 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 12 [2020-12-09 19:32:48,350 WARN L197 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2020-12-09 19:32:49,071 WARN L197 SmtUtils]: Spent 616.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 29 [2020-12-09 19:32:49,100 INFO L262 CegarLoopResult]: For program point L184(lines 184 199) no Hoare annotation was computed. [2020-12-09 19:32:49,100 INFO L262 CegarLoopResult]: For program point L184-1(lines 184 199) no Hoare annotation was computed. [2020-12-09 19:32:49,100 INFO L258 CegarLoopResult]: At program point L19(line 19) the Hoare annotation is: (and (= (let ((.cse0 (let ((.cse1 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (_ +zero 11 53)))) (fp.sub roundNearestTiesToEven .cse1 .cse1)))) (fp.div roundNearestTiesToEven .cse0 .cse0)) |ULTIMATE.start___ieee754_asin_#res|) (= (_ bv1 32) |ULTIMATE.start_isnan_double_#res|)) [2020-12-09 19:32:49,100 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-09 19:32:49,100 INFO L262 CegarLoopResult]: For program point L185(lines 185 198) no Hoare annotation was computed. [2020-12-09 19:32:49,100 INFO L258 CegarLoopResult]: At program point L86-2(lines 86 102) the Hoare annotation is: false [2020-12-09 19:32:49,100 INFO L262 CegarLoopResult]: For program point L86-3(lines 23 131) no Hoare annotation was computed. [2020-12-09 19:32:49,100 INFO L262 CegarLoopResult]: For program point L186(lines 186 187) no Hoare annotation was computed. [2020-12-09 19:32:49,101 INFO L262 CegarLoopResult]: For program point L54-2(lines 54 55) no Hoare annotation was computed. [2020-12-09 19:32:49,101 INFO L258 CegarLoopResult]: At program point L54-3(lines 54 55) the Hoare annotation is: false [2020-12-09 19:32:49,101 INFO L262 CegarLoopResult]: For program point L54-4(lines 54 55) no Hoare annotation was computed. [2020-12-09 19:32:49,101 INFO L262 CegarLoopResult]: For program point L104(lines 104 118) no Hoare annotation was computed. [2020-12-09 19:32:49,101 INFO L262 CegarLoopResult]: For program point L121(lines 121 122) no Hoare annotation was computed. [2020-12-09 19:32:49,101 INFO L262 CegarLoopResult]: For program point L121-2(lines 121 122) no Hoare annotation was computed. [2020-12-09 19:32:49,101 INFO L262 CegarLoopResult]: For program point L89(lines 89 98) no Hoare annotation was computed. [2020-12-09 19:32:49,101 INFO L262 CegarLoopResult]: For program point L89-2(lines 89 98) no Hoare annotation was computed. [2020-12-09 19:32:49,101 INFO L262 CegarLoopResult]: For program point L139(lines 139 144) no Hoare annotation was computed. [2020-12-09 19:32:49,101 INFO L262 CegarLoopResult]: For program point L139-1(lines 132 146) no Hoare annotation was computed. [2020-12-09 19:32:49,102 INFO L262 CegarLoopResult]: For program point L106(lines 106 117) no Hoare annotation was computed. [2020-12-09 19:32:49,102 INFO L262 CegarLoopResult]: For program point L139-2(lines 139 144) no Hoare annotation was computed. [2020-12-09 19:32:49,102 INFO L262 CegarLoopResult]: For program point L40(lines 40 45) no Hoare annotation was computed. [2020-12-09 19:32:49,102 INFO L258 CegarLoopResult]: At program point L73-2(lines 73 83) the Hoare annotation is: false [2020-12-09 19:32:49,102 INFO L262 CegarLoopResult]: For program point L40-2(lines 40 45) no Hoare annotation was computed. [2020-12-09 19:32:49,102 INFO L262 CegarLoopResult]: For program point L73-3(lines 73 83) no Hoare annotation was computed. [2020-12-09 19:32:49,102 INFO L262 CegarLoopResult]: For program point L173(lines 173 199) no Hoare annotation was computed. [2020-12-09 19:32:49,102 INFO L262 CegarLoopResult]: For program point L41(lines 41 44) no Hoare annotation was computed. [2020-12-09 19:32:49,102 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-09 19:32:49,102 INFO L262 CegarLoopResult]: For program point L91(lines 91 92) no Hoare annotation was computed. [2020-12-09 19:32:49,102 INFO L262 CegarLoopResult]: For program point L124-1(lines 124 129) no Hoare annotation was computed. [2020-12-09 19:32:49,102 INFO L258 CegarLoopResult]: At program point L124-2(lines 124 129) the Hoare annotation is: false [2020-12-09 19:32:49,103 INFO L262 CegarLoopResult]: For program point L91-2(lines 91 92) no Hoare annotation was computed. [2020-12-09 19:32:49,103 INFO L262 CegarLoopResult]: For program point L124-3(lines 124 129) no Hoare annotation was computed. [2020-12-09 19:32:49,103 INFO L262 CegarLoopResult]: For program point L108(lines 108 116) no Hoare annotation was computed. [2020-12-09 19:32:49,103 INFO L262 CegarLoopResult]: For program point L75(lines 75 79) no Hoare annotation was computed. [2020-12-09 19:32:49,103 INFO L262 CegarLoopResult]: For program point L75-2(lines 75 79) no Hoare annotation was computed. [2020-12-09 19:32:49,103 INFO L262 CegarLoopResult]: For program point L175-1(lines 175 179) no Hoare annotation was computed. [2020-12-09 19:32:49,103 INFO L258 CegarLoopResult]: At program point L175-2(lines 175 179) the Hoare annotation is: (and (= currentRoundingMode roundNearestTiesToEven) (exists ((|v_skolemized_q#valueAsBitvector_13| (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_13|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_13|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_13|)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_13|) ULTIMATE.start___ieee754_asin_~hx~0))) (exists ((|v_skolemized_q#valueAsBitvector_13| (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_13|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_13|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_13|)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))) (= (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_13|)) ULTIMATE.start___ieee754_asin_~ix~0))) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53)) ULTIMATE.start___ieee754_asin_~x))) [2020-12-09 19:32:49,103 INFO L262 CegarLoopResult]: For program point L175-3(lines 173 184) no Hoare annotation was computed. [2020-12-09 19:32:49,103 INFO L262 CegarLoopResult]: For program point L43(lines 43 44) no Hoare annotation was computed. [2020-12-09 19:32:49,104 INFO L262 CegarLoopResult]: For program point L94(lines 94 95) no Hoare annotation was computed. [2020-12-09 19:32:49,104 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-09 19:32:49,104 INFO L262 CegarLoopResult]: For program point L94-2(lines 94 95) no Hoare annotation was computed. [2020-12-09 19:32:49,104 INFO L262 CegarLoopResult]: For program point L210(lines 210 226) no Hoare annotation was computed. [2020-12-09 19:32:49,104 INFO L262 CegarLoopResult]: For program point L210-2(lines 164 231) no Hoare annotation was computed. [2020-12-09 19:32:49,104 INFO L262 CegarLoopResult]: For program point L111(lines 111 116) no Hoare annotation was computed. [2020-12-09 19:32:49,104 INFO L262 CegarLoopResult]: For program point L62(lines 62 65) no Hoare annotation was computed. [2020-12-09 19:32:49,104 INFO L262 CegarLoopResult]: For program point L29-1(lines 29 34) no Hoare annotation was computed. [2020-12-09 19:32:49,104 INFO L262 CegarLoopResult]: For program point L62-2(lines 62 65) no Hoare annotation was computed. [2020-12-09 19:32:49,104 INFO L258 CegarLoopResult]: At program point L29-2(lines 29 34) the Hoare annotation is: false [2020-12-09 19:32:49,104 INFO L262 CegarLoopResult]: For program point L29-3(lines 23 131) no Hoare annotation was computed. [2020-12-09 19:32:49,104 INFO L262 CegarLoopResult]: For program point L244(lines 244 247) no Hoare annotation was computed. [2020-12-09 19:32:49,105 INFO L258 CegarLoopResult]: At program point L145(lines 132 146) the Hoare annotation is: false [2020-12-09 19:32:49,105 INFO L262 CegarLoopResult]: For program point L112(lines 112 113) no Hoare annotation was computed. [2020-12-09 19:32:49,105 INFO L262 CegarLoopResult]: For program point L112-2(lines 112 113) no Hoare annotation was computed. [2020-12-09 19:32:49,105 INFO L262 CegarLoopResult]: For program point L245(line 245) no Hoare annotation was computed. [2020-12-09 19:32:49,105 INFO L258 CegarLoopResult]: At program point L130(lines 23 131) the Hoare annotation is: false [2020-12-09 19:32:49,105 INFO L262 CegarLoopResult]: For program point L48(lines 48 59) no Hoare annotation was computed. [2020-12-09 19:32:49,105 INFO L262 CegarLoopResult]: For program point L48-2(lines 48 59) no Hoare annotation was computed. [2020-12-09 19:32:49,105 INFO L258 CegarLoopResult]: At program point L230(lines 164 231) the Hoare annotation is: (= (let ((.cse0 (let ((.cse1 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (_ +zero 11 53)))) (fp.sub roundNearestTiesToEven .cse1 .cse1)))) (fp.div roundNearestTiesToEven .cse0 .cse0)) |ULTIMATE.start___ieee754_asin_#res|) [2020-12-09 19:32:49,105 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-09 19:32:49,106 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 245) no Hoare annotation was computed. [2020-12-09 19:32:49,106 INFO L258 CegarLoopResult]: At program point L49-2(lines 49 53) the Hoare annotation is: false [2020-12-09 19:32:49,106 INFO L262 CegarLoopResult]: For program point L49-3(lines 49 53) no Hoare annotation was computed. [2020-12-09 19:32:49,106 INFO L265 CegarLoopResult]: At program point L248(lines 233 249) the Hoare annotation is: true [2020-12-09 19:32:49,106 INFO L262 CegarLoopResult]: For program point L215-1(lines 215 220) no Hoare annotation was computed. [2020-12-09 19:32:49,106 INFO L258 CegarLoopResult]: At program point L215-2(lines 215 220) the Hoare annotation is: false [2020-12-09 19:32:49,106 INFO L262 CegarLoopResult]: For program point L215-3(lines 215 220) no Hoare annotation was computed. [2020-12-09 19:32:49,106 INFO L262 CegarLoopResult]: For program point L167-1(lines 167 171) no Hoare annotation was computed. [2020-12-09 19:32:49,106 INFO L258 CegarLoopResult]: At program point L167-2(lines 167 171) the Hoare annotation is: (and (= currentRoundingMode roundNearestTiesToEven) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53)) ULTIMATE.start___ieee754_asin_~x))) [2020-12-09 19:32:49,106 INFO L262 CegarLoopResult]: For program point L134-1(lines 134 138) no Hoare annotation was computed. [2020-12-09 19:32:49,106 INFO L262 CegarLoopResult]: For program point L167-3(lines 167 171) no Hoare annotation was computed. [2020-12-09 19:32:49,107 INFO L258 CegarLoopResult]: At program point L134-2(lines 134 138) the Hoare annotation is: false [2020-12-09 19:32:49,115 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:32:49,116 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 19:32:49,116 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 19:32:49,118 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:32:49,118 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 19:32:49,118 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 19:32:49,119 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:32:49,119 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:32:49,119 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:32:49,119 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:32:49,120 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:32:49,120 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:32:49,120 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:32:49,120 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:32:49,120 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:32:49,120 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:32:49,120 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:32:49,121 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:32:49,121 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:32:49,121 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:32:49,121 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:32:49,121 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:32:49,121 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:32:49,122 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:32:49,122 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:32:49,122 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:32:49,122 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:32:49,122 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:32:49,123 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:32:49,123 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:32:49,123 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:32:49,123 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:32:49,123 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:32:49,123 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:32:49,123 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:32:49,123 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:32:49,123 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:32:49,123 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:32:49,124 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:32:49,124 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:32:49,124 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:32:49,124 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:32:49,124 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:32:49,124 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:32:49,125 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:32:49,125 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:32:49,125 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:32:49,125 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:32:49,125 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:32:49,125 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:32:49,126 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:32:49,126 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2020-12-09 19:32:49,126 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2020-12-09 19:32:49,126 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2020-12-09 19:32:49,127 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 19:32:49,127 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 19:32:49,127 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2020-12-09 19:32:49,127 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2020-12-09 19:32:49,127 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2020-12-09 19:32:49,127 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2020-12-09 19:32:49,127 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 19:32:49,127 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 19:32:49,127 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2020-12-09 19:32:49,127 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 19:32:49,128 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 19:32:49,128 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:32:49,128 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2020-12-09 19:32:49,128 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2020-12-09 19:32:49,128 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2020-12-09 19:32:49,129 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 19:32:49,129 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 19:32:49,129 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2020-12-09 19:32:49,129 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2020-12-09 19:32:49,129 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2020-12-09 19:32:49,129 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2020-12-09 19:32:49,129 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 19:32:49,129 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 19:32:49,129 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2020-12-09 19:32:49,129 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 19:32:49,130 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 19:32:49,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 07:32:49 BoogieIcfgContainer [2020-12-09 19:32:49,131 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 19:32:49,132 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 19:32:49,132 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 19:32:49,132 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 19:32:49,132 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:32:32" (3/4) ... [2020-12-09 19:32:49,135 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-09 19:32:49,144 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2020-12-09 19:32:49,144 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-12-09 19:32:49,144 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 19:32:49,145 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 19:32:49,161 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == x) [2020-12-09 19:32:49,161 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && (\exists v_skolemized_q#valueAsBitvector_13 : bv64, currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_13[63:63], v_skolemized_q#valueAsBitvector_13[62:52], v_skolemized_q#valueAsBitvector_13[51:0]) == ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) && v_skolemized_q#valueAsBitvector_13[63:32] == hx)) && (\exists v_skolemized_q#valueAsBitvector_13 : bv64, currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_13[63:63], v_skolemized_q#valueAsBitvector_13[62:52], v_skolemized_q#valueAsBitvector_13[51:0]) == ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) && ~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_13[63:32]) == ix)) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == x) [2020-12-09 19:32:49,161 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()))) == \result [2020-12-09 19:32:49,162 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()))) == \result && 1bv32 == \result [2020-12-09 19:32:49,185 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_c9164236-efaf-4e56-ad26-a165065fd463/bin/utaipan/witness.graphml [2020-12-09 19:32:49,185 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 19:32:49,186 INFO L168 Benchmark]: Toolchain (without parser) took 39108.47 ms. Allocated memory was 56.6 MB in the beginning and 73.4 MB in the end (delta: 16.8 MB). Free memory was 35.8 MB in the beginning and 31.2 MB in the end (delta: 4.6 MB). Peak memory consumption was 20.0 MB. Max. memory is 16.1 GB. [2020-12-09 19:32:49,186 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 56.6 MB. Free memory was 39.3 MB in the beginning and 39.2 MB in the end (delta: 73.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 19:32:49,187 INFO L168 Benchmark]: CACSL2BoogieTranslator took 311.19 ms. Allocated memory was 56.6 MB in the beginning and 73.4 MB in the end (delta: 16.8 MB). Free memory was 35.7 MB in the beginning and 54.3 MB in the end (delta: -18.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-09 19:32:49,187 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.59 ms. Allocated memory is still 73.4 MB. Free memory was 54.3 MB in the beginning and 51.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 19:32:49,187 INFO L168 Benchmark]: Boogie Preprocessor took 50.03 ms. Allocated memory is still 73.4 MB. Free memory was 51.7 MB in the beginning and 49.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 19:32:49,188 INFO L168 Benchmark]: RCFGBuilder took 22077.85 ms. Allocated memory is still 73.4 MB. Free memory was 49.2 MB in the beginning and 46.9 MB in the end (delta: 2.3 MB). Peak memory consumption was 19.4 MB. Max. memory is 16.1 GB. [2020-12-09 19:32:49,188 INFO L168 Benchmark]: TraceAbstraction took 16556.61 ms. Allocated memory is still 73.4 MB. Free memory was 46.3 MB in the beginning and 37.5 MB in the end (delta: 8.7 MB). Peak memory consumption was 15.8 MB. Max. memory is 16.1 GB. [2020-12-09 19:32:49,188 INFO L168 Benchmark]: Witness Printer took 53.59 ms. Allocated memory is still 73.4 MB. Free memory was 37.5 MB in the beginning and 31.2 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-09 19:32:49,190 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 56.6 MB. Free memory was 39.3 MB in the beginning and 39.2 MB in the end (delta: 73.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 311.19 ms. Allocated memory was 56.6 MB in the beginning and 73.4 MB in the end (delta: 16.8 MB). Free memory was 35.7 MB in the beginning and 54.3 MB in the end (delta: -18.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 53.59 ms. Allocated memory is still 73.4 MB. Free memory was 54.3 MB in the beginning and 51.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 50.03 ms. Allocated memory is still 73.4 MB. Free memory was 51.7 MB in the beginning and 49.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 22077.85 ms. Allocated memory is still 73.4 MB. Free memory was 49.2 MB in the beginning and 46.9 MB in the end (delta: 2.3 MB). Peak memory consumption was 19.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 16556.61 ms. Allocated memory is still 73.4 MB. Free memory was 46.3 MB in the beginning and 37.5 MB in the end (delta: 8.7 MB). Peak memory consumption was 15.8 MB. Max. memory is 16.1 GB. * Witness Printer took 53.59 ms. Allocated memory is still 73.4 MB. Free memory was 37.5 MB in the beginning and 31.2 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,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[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,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[v_skolemized_q#valueAsBitvector_13,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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,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[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,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[v_skolemized_q#valueAsBitvector_13,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] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 245]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 49]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 167]: Loop Invariant [2020-12-09 19:32:49,196 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:32:49,196 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 19:32:49,196 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 19:32:49,196 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:32:49,196 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 19:32:49,197 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == x) - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 164]: Loop Invariant [2020-12-09 19:32:49,197 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:32:49,197 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:32:49,197 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:32:49,197 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:32:49,197 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:32:49,197 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:32:49,197 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:32:49,197 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:32:49,197 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:32:49,197 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:32:49,197 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:32:49,198 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:32:49,198 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:32:49,198 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:32:49,198 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:32:49,198 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:32:49,198 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:32:49,198 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:32:49,198 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:32:49,199 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:32:49,199 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:32:49,199 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()))) == \result - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 73]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 19]: Loop Invariant [2020-12-09 19:32:49,199 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:32:49,200 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:32:49,200 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:32:49,200 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:32:49,200 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:32:49,200 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:32:49,200 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:32:49,200 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:32:49,200 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:32:49,200 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:32:49,200 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:32:49,204 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:32:49,204 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:32:49,204 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:32:49,204 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:32:49,205 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:32:49,205 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:32:49,205 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:32:49,205 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:32:49,205 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:32:49,205 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:32:49,205 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()))) == \result && 1bv32 == \result - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 215]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 175]: Loop Invariant [2020-12-09 19:32:49,206 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:32:49,206 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2020-12-09 19:32:49,206 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2020-12-09 19:32:49,206 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2020-12-09 19:32:49,206 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 19:32:49,206 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 19:32:49,206 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2020-12-09 19:32:49,206 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2020-12-09 19:32:49,207 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2020-12-09 19:32:49,207 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2020-12-09 19:32:49,207 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 19:32:49,207 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 19:32:49,207 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2020-12-09 19:32:49,207 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 19:32:49,207 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 19:32:49,208 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:32:49,208 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2020-12-09 19:32:49,208 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2020-12-09 19:32:49,208 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2020-12-09 19:32:49,208 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 19:32:49,208 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 19:32:49,208 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2020-12-09 19:32:49,208 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2020-12-09 19:32:49,208 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2020-12-09 19:32:49,208 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2020-12-09 19:32:49,208 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 19:32:49,208 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 19:32:49,209 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2020-12-09 19:32:49,209 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 19:32:49,209 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: ((unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && (\exists v_skolemized_q#valueAsBitvector_13 : bv64, currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_13[63:63], v_skolemized_q#valueAsBitvector_13[62:52], v_skolemized_q#valueAsBitvector_13[51:0]) == ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) && v_skolemized_q#valueAsBitvector_13[63:32] == hx)) && (\exists v_skolemized_q#valueAsBitvector_13 : bv64, currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_13[63:63], v_skolemized_q#valueAsBitvector_13[62:52], v_skolemized_q#valueAsBitvector_13[51:0]) == ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) && ~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_13[63:32]) == ix)) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == x) - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 72 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 15.1s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 7.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 111 SDtfs, 23 SDslu, 31 SDs, 0 SdLazy, 25 SolverSat, 1 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 5.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 2.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=72occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 15 LocationsWithAnnotation, 15 PreInvPairs, 20 NumberOfFragments, 159 HoareAnnotationTreeSize, 15 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 15 FomulaSimplificationsInter, 18 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 4.6s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 33 ConstructedInterpolants, 4 QuantifiedInterpolants, 2646 SizeOfPredicates, 16 NumberOfNonLiveVariables, 193 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...